1190 lines
32 KiB
C
1190 lines
32 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2015 Endless Mobile, Inc.
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* Author: Carlo Caione <carlo@endlessm.com>
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*
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* Copyright (c) 2016 BayLibre, Inc.
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* Michael Turquette <mturquette@baylibre.com>
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*/
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#include <linux/clk.h>
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#include <linux/clk-provider.h>
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#include <linux/init.h>
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#include <linux/of_address.h>
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#include <linux/platform_device.h>
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#include <linux/reset-controller.h>
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#include <linux/slab.h>
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#include <linux/regmap.h>
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#include "clkc.h"
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#include "meson8b.h"
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#include "clk-regmap.h"
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static DEFINE_SPINLOCK(meson_clk_lock);
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static void __iomem *clk_base;
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struct meson8b_clk_reset {
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struct reset_controller_dev reset;
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void __iomem *base;
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};
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static const struct pll_rate_table sys_pll_rate_table[] = {
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PLL_RATE(312000000, 52, 1, 2),
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PLL_RATE(336000000, 56, 1, 2),
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PLL_RATE(360000000, 60, 1, 2),
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PLL_RATE(384000000, 64, 1, 2),
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PLL_RATE(408000000, 68, 1, 2),
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PLL_RATE(432000000, 72, 1, 2),
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PLL_RATE(456000000, 76, 1, 2),
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PLL_RATE(480000000, 80, 1, 2),
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PLL_RATE(504000000, 84, 1, 2),
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PLL_RATE(528000000, 88, 1, 2),
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PLL_RATE(552000000, 92, 1, 2),
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PLL_RATE(576000000, 96, 1, 2),
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PLL_RATE(600000000, 50, 1, 1),
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PLL_RATE(624000000, 52, 1, 1),
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PLL_RATE(648000000, 54, 1, 1),
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PLL_RATE(672000000, 56, 1, 1),
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PLL_RATE(696000000, 58, 1, 1),
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PLL_RATE(720000000, 60, 1, 1),
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PLL_RATE(744000000, 62, 1, 1),
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PLL_RATE(768000000, 64, 1, 1),
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PLL_RATE(792000000, 66, 1, 1),
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PLL_RATE(816000000, 68, 1, 1),
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PLL_RATE(840000000, 70, 1, 1),
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PLL_RATE(864000000, 72, 1, 1),
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PLL_RATE(888000000, 74, 1, 1),
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PLL_RATE(912000000, 76, 1, 1),
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PLL_RATE(936000000, 78, 1, 1),
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PLL_RATE(960000000, 80, 1, 1),
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PLL_RATE(984000000, 82, 1, 1),
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PLL_RATE(1008000000, 84, 1, 1),
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PLL_RATE(1032000000, 86, 1, 1),
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PLL_RATE(1056000000, 88, 1, 1),
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PLL_RATE(1080000000, 90, 1, 1),
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PLL_RATE(1104000000, 92, 1, 1),
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PLL_RATE(1128000000, 94, 1, 1),
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PLL_RATE(1152000000, 96, 1, 1),
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PLL_RATE(1176000000, 98, 1, 1),
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PLL_RATE(1200000000, 50, 1, 0),
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PLL_RATE(1224000000, 51, 1, 0),
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PLL_RATE(1248000000, 52, 1, 0),
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PLL_RATE(1272000000, 53, 1, 0),
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PLL_RATE(1296000000, 54, 1, 0),
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PLL_RATE(1320000000, 55, 1, 0),
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PLL_RATE(1344000000, 56, 1, 0),
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PLL_RATE(1368000000, 57, 1, 0),
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PLL_RATE(1392000000, 58, 1, 0),
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PLL_RATE(1416000000, 59, 1, 0),
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PLL_RATE(1440000000, 60, 1, 0),
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PLL_RATE(1464000000, 61, 1, 0),
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PLL_RATE(1488000000, 62, 1, 0),
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PLL_RATE(1512000000, 63, 1, 0),
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PLL_RATE(1536000000, 64, 1, 0),
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{ /* sentinel */ },
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};
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static struct clk_fixed_rate meson8b_xtal = {
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.fixed_rate = 24000000,
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.hw.init = &(struct clk_init_data){
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.name = "xtal",
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.num_parents = 0,
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.ops = &clk_fixed_rate_ops,
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},
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};
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static struct clk_regmap meson8b_fixed_pll = {
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.data = &(struct meson_clk_pll_data){
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.m = {
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.reg_off = HHI_MPLL_CNTL,
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.shift = 0,
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.width = 9,
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},
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.n = {
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.reg_off = HHI_MPLL_CNTL,
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.shift = 9,
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.width = 5,
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},
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.od = {
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.reg_off = HHI_MPLL_CNTL,
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.shift = 16,
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.width = 2,
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},
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.frac = {
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.reg_off = HHI_MPLL_CNTL2,
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.shift = 0,
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.width = 12,
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},
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.l = {
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.reg_off = HHI_MPLL_CNTL,
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.shift = 31,
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.width = 1,
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},
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.rst = {
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.reg_off = HHI_MPLL_CNTL,
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.shift = 29,
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.width = 1,
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},
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},
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.hw.init = &(struct clk_init_data){
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.name = "fixed_pll",
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.ops = &meson_clk_pll_ro_ops,
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.parent_names = (const char *[]){ "xtal" },
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.num_parents = 1,
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},
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};
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static struct clk_regmap meson8b_vid_pll = {
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.data = &(struct meson_clk_pll_data){
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.m = {
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.reg_off = HHI_VID_PLL_CNTL,
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.shift = 0,
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.width = 9,
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},
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.n = {
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.reg_off = HHI_VID_PLL_CNTL,
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.shift = 10,
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.width = 5,
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},
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.od = {
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.reg_off = HHI_VID_PLL_CNTL,
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.shift = 16,
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.width = 2,
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},
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.l = {
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.reg_off = HHI_VID_PLL_CNTL,
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.shift = 31,
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.width = 1,
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},
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.rst = {
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.reg_off = HHI_VID_PLL_CNTL,
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.shift = 29,
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.width = 1,
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},
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},
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.hw.init = &(struct clk_init_data){
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.name = "vid_pll",
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.ops = &meson_clk_pll_ro_ops,
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.parent_names = (const char *[]){ "xtal" },
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.num_parents = 1,
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},
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};
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static struct clk_regmap meson8b_sys_pll = {
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.data = &(struct meson_clk_pll_data){
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.m = {
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.reg_off = HHI_SYS_PLL_CNTL,
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.shift = 0,
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.width = 9,
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},
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.n = {
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.reg_off = HHI_SYS_PLL_CNTL,
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.shift = 9,
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.width = 5,
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},
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.od = {
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.reg_off = HHI_SYS_PLL_CNTL,
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.shift = 16,
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.width = 2,
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},
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.l = {
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.reg_off = HHI_SYS_PLL_CNTL,
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.shift = 31,
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.width = 1,
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},
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.rst = {
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.reg_off = HHI_SYS_PLL_CNTL,
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.shift = 29,
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.width = 1,
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},
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.table = sys_pll_rate_table,
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},
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.hw.init = &(struct clk_init_data){
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.name = "sys_pll",
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.ops = &meson_clk_pll_ro_ops,
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.parent_names = (const char *[]){ "xtal" },
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.num_parents = 1,
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},
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};
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static struct clk_fixed_factor meson8b_fclk_div2_div = {
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.mult = 1,
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.div = 2,
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.hw.init = &(struct clk_init_data){
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.name = "fclk_div2_div",
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.ops = &clk_fixed_factor_ops,
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.parent_names = (const char *[]){ "fixed_pll" },
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.num_parents = 1,
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},
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};
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static struct clk_regmap meson8b_fclk_div2 = {
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.data = &(struct clk_regmap_gate_data){
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.offset = HHI_MPLL_CNTL6,
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.bit_idx = 27,
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},
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.hw.init = &(struct clk_init_data){
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.name = "fclk_div2",
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.ops = &clk_regmap_gate_ops,
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.parent_names = (const char *[]){ "fclk_div2_div" },
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.num_parents = 1,
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/*
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* FIXME: Ethernet with a RGMII PHYs is not working if
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* fclk_div2 is disabled. it is currently unclear why this
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* is. keep it enabled until the Ethernet driver knows how
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* to manage this clock.
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*/
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.flags = CLK_IS_CRITICAL,
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},
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};
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static struct clk_fixed_factor meson8b_fclk_div3_div = {
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.mult = 1,
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.div = 3,
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.hw.init = &(struct clk_init_data){
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.name = "fclk_div3_div",
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.ops = &clk_fixed_factor_ops,
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.parent_names = (const char *[]){ "fixed_pll" },
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.num_parents = 1,
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},
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};
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static struct clk_regmap meson8b_fclk_div3 = {
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.data = &(struct clk_regmap_gate_data){
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.offset = HHI_MPLL_CNTL6,
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.bit_idx = 28,
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},
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.hw.init = &(struct clk_init_data){
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.name = "fclk_div3",
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.ops = &clk_regmap_gate_ops,
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.parent_names = (const char *[]){ "fclk_div3_div" },
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.num_parents = 1,
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},
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};
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static struct clk_fixed_factor meson8b_fclk_div4_div = {
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.mult = 1,
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.div = 4,
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.hw.init = &(struct clk_init_data){
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.name = "fclk_div4_div",
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.ops = &clk_fixed_factor_ops,
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.parent_names = (const char *[]){ "fixed_pll" },
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.num_parents = 1,
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},
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};
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static struct clk_regmap meson8b_fclk_div4 = {
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.data = &(struct clk_regmap_gate_data){
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.offset = HHI_MPLL_CNTL6,
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.bit_idx = 29,
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},
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.hw.init = &(struct clk_init_data){
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.name = "fclk_div4",
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.ops = &clk_regmap_gate_ops,
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.parent_names = (const char *[]){ "fclk_div4_div" },
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.num_parents = 1,
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},
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};
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static struct clk_fixed_factor meson8b_fclk_div5_div = {
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.mult = 1,
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.div = 5,
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.hw.init = &(struct clk_init_data){
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.name = "fclk_div5_div",
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.ops = &clk_fixed_factor_ops,
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.parent_names = (const char *[]){ "fixed_pll" },
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.num_parents = 1,
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},
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};
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static struct clk_regmap meson8b_fclk_div5 = {
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.data = &(struct clk_regmap_gate_data){
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.offset = HHI_MPLL_CNTL6,
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.bit_idx = 30,
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},
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.hw.init = &(struct clk_init_data){
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.name = "fclk_div5",
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.ops = &clk_regmap_gate_ops,
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.parent_names = (const char *[]){ "fclk_div5_div" },
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.num_parents = 1,
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},
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};
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static struct clk_fixed_factor meson8b_fclk_div7_div = {
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.mult = 1,
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.div = 7,
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.hw.init = &(struct clk_init_data){
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.name = "fclk_div7_div",
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.ops = &clk_fixed_factor_ops,
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.parent_names = (const char *[]){ "fixed_pll" },
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.num_parents = 1,
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},
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};
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static struct clk_regmap meson8b_fclk_div7 = {
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.data = &(struct clk_regmap_gate_data){
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.offset = HHI_MPLL_CNTL6,
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.bit_idx = 31,
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},
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.hw.init = &(struct clk_init_data){
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.name = "fclk_div7",
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.ops = &clk_regmap_gate_ops,
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.parent_names = (const char *[]){ "fclk_div7_div" },
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.num_parents = 1,
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},
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};
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static struct clk_regmap meson8b_mpll_prediv = {
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.data = &(struct clk_regmap_div_data){
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.offset = HHI_MPLL_CNTL5,
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.shift = 12,
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.width = 1,
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},
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.hw.init = &(struct clk_init_data){
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.name = "mpll_prediv",
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.ops = &clk_regmap_divider_ro_ops,
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.parent_names = (const char *[]){ "fixed_pll" },
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.num_parents = 1,
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},
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};
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static struct clk_regmap meson8b_mpll0_div = {
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.data = &(struct meson_clk_mpll_data){
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.sdm = {
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.reg_off = HHI_MPLL_CNTL7,
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.shift = 0,
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.width = 14,
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},
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.sdm_en = {
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.reg_off = HHI_MPLL_CNTL7,
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.shift = 15,
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.width = 1,
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},
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.n2 = {
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.reg_off = HHI_MPLL_CNTL7,
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.shift = 16,
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.width = 9,
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},
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.ssen = {
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.reg_off = HHI_MPLL_CNTL,
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.shift = 25,
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.width = 1,
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},
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.lock = &meson_clk_lock,
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},
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.hw.init = &(struct clk_init_data){
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.name = "mpll0_div",
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.ops = &meson_clk_mpll_ops,
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.parent_names = (const char *[]){ "mpll_prediv" },
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.num_parents = 1,
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},
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};
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static struct clk_regmap meson8b_mpll0 = {
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.data = &(struct clk_regmap_gate_data){
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.offset = HHI_MPLL_CNTL7,
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.bit_idx = 14,
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},
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.hw.init = &(struct clk_init_data){
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.name = "mpll0",
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.ops = &clk_regmap_gate_ops,
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.parent_names = (const char *[]){ "mpll0_div" },
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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},
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};
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static struct clk_regmap meson8b_mpll1_div = {
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.data = &(struct meson_clk_mpll_data){
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.sdm = {
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.reg_off = HHI_MPLL_CNTL8,
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.shift = 0,
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.width = 14,
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},
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.sdm_en = {
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.reg_off = HHI_MPLL_CNTL8,
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.shift = 15,
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.width = 1,
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},
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.n2 = {
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.reg_off = HHI_MPLL_CNTL8,
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.shift = 16,
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.width = 9,
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},
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.lock = &meson_clk_lock,
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},
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.hw.init = &(struct clk_init_data){
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.name = "mpll1_div",
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.ops = &meson_clk_mpll_ops,
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.parent_names = (const char *[]){ "mpll_prediv" },
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.num_parents = 1,
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},
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};
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static struct clk_regmap meson8b_mpll1 = {
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.data = &(struct clk_regmap_gate_data){
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.offset = HHI_MPLL_CNTL8,
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.bit_idx = 14,
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},
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.hw.init = &(struct clk_init_data){
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.name = "mpll1",
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.ops = &clk_regmap_gate_ops,
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.parent_names = (const char *[]){ "mpll1_div" },
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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},
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};
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static struct clk_regmap meson8b_mpll2_div = {
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.data = &(struct meson_clk_mpll_data){
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.sdm = {
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.reg_off = HHI_MPLL_CNTL9,
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.shift = 0,
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.width = 14,
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},
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.sdm_en = {
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.reg_off = HHI_MPLL_CNTL9,
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.shift = 15,
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.width = 1,
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},
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.n2 = {
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.reg_off = HHI_MPLL_CNTL9,
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.shift = 16,
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.width = 9,
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},
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.lock = &meson_clk_lock,
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},
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.hw.init = &(struct clk_init_data){
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.name = "mpll2_div",
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.ops = &meson_clk_mpll_ops,
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.parent_names = (const char *[]){ "mpll_prediv" },
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.num_parents = 1,
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},
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};
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static struct clk_regmap meson8b_mpll2 = {
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.data = &(struct clk_regmap_gate_data){
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.offset = HHI_MPLL_CNTL9,
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.bit_idx = 14,
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},
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.hw.init = &(struct clk_init_data){
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.name = "mpll2",
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.ops = &clk_regmap_gate_ops,
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.parent_names = (const char *[]){ "mpll2_div" },
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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},
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};
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static u32 mux_table_clk81[] = { 6, 5, 7 };
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static struct clk_regmap meson8b_mpeg_clk_sel = {
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.data = &(struct clk_regmap_mux_data){
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.offset = HHI_MPEG_CLK_CNTL,
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.mask = 0x7,
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.shift = 12,
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.table = mux_table_clk81,
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},
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.hw.init = &(struct clk_init_data){
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.name = "mpeg_clk_sel",
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.ops = &clk_regmap_mux_ro_ops,
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/*
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* FIXME bits 14:12 selects from 8 possible parents:
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* xtal, 1'b0 (wtf), fclk_div7, mpll_clkout1, mpll_clkout2,
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* fclk_div4, fclk_div3, fclk_div5
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*/
|
|
.parent_names = (const char *[]){ "fclk_div3", "fclk_div4",
|
|
"fclk_div5" },
|
|
.num_parents = 3,
|
|
},
|
|
};
|
|
|
|
static struct clk_regmap meson8b_mpeg_clk_div = {
|
|
.data = &(struct clk_regmap_div_data){
|
|
.offset = HHI_MPEG_CLK_CNTL,
|
|
.shift = 0,
|
|
.width = 7,
|
|
},
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "mpeg_clk_div",
|
|
.ops = &clk_regmap_divider_ro_ops,
|
|
.parent_names = (const char *[]){ "mpeg_clk_sel" },
|
|
.num_parents = 1,
|
|
},
|
|
};
|
|
|
|
static struct clk_regmap meson8b_clk81 = {
|
|
.data = &(struct clk_regmap_gate_data){
|
|
.offset = HHI_MPEG_CLK_CNTL,
|
|
.bit_idx = 7,
|
|
},
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "clk81",
|
|
.ops = &clk_regmap_gate_ops,
|
|
.parent_names = (const char *[]){ "mpeg_clk_div" },
|
|
.num_parents = 1,
|
|
.flags = CLK_IS_CRITICAL,
|
|
},
|
|
};
|
|
|
|
static struct clk_regmap meson8b_cpu_in_sel = {
|
|
.data = &(struct clk_regmap_mux_data){
|
|
.offset = HHI_SYS_CPU_CLK_CNTL0,
|
|
.mask = 0x1,
|
|
.shift = 0,
|
|
},
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "cpu_in_sel",
|
|
.ops = &clk_regmap_mux_ro_ops,
|
|
.parent_names = (const char *[]){ "xtal", "sys_pll" },
|
|
.num_parents = 2,
|
|
.flags = (CLK_SET_RATE_PARENT |
|
|
CLK_SET_RATE_NO_REPARENT),
|
|
},
|
|
};
|
|
|
|
static struct clk_fixed_factor meson8b_cpu_div2 = {
|
|
.mult = 1,
|
|
.div = 2,
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "cpu_div2",
|
|
.ops = &clk_fixed_factor_ops,
|
|
.parent_names = (const char *[]){ "cpu_in_sel" },
|
|
.num_parents = 1,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
};
|
|
|
|
static struct clk_fixed_factor meson8b_cpu_div3 = {
|
|
.mult = 1,
|
|
.div = 3,
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "cpu_div3",
|
|
.ops = &clk_fixed_factor_ops,
|
|
.parent_names = (const char *[]){ "cpu_in_sel" },
|
|
.num_parents = 1,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
};
|
|
|
|
static const struct clk_div_table cpu_scale_table[] = {
|
|
{ .val = 1, .div = 4 },
|
|
{ .val = 2, .div = 6 },
|
|
{ .val = 3, .div = 8 },
|
|
{ .val = 4, .div = 10 },
|
|
{ .val = 5, .div = 12 },
|
|
{ .val = 6, .div = 14 },
|
|
{ .val = 7, .div = 16 },
|
|
{ .val = 8, .div = 18 },
|
|
{ /* sentinel */ },
|
|
};
|
|
|
|
static struct clk_regmap meson8b_cpu_scale_div = {
|
|
.data = &(struct clk_regmap_div_data){
|
|
.offset = HHI_SYS_CPU_CLK_CNTL1,
|
|
.shift = 20,
|
|
.width = 10,
|
|
.table = cpu_scale_table,
|
|
.flags = CLK_DIVIDER_ALLOW_ZERO,
|
|
},
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "cpu_scale_div",
|
|
.ops = &clk_regmap_divider_ro_ops,
|
|
.parent_names = (const char *[]){ "cpu_in_sel" },
|
|
.num_parents = 1,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
};
|
|
|
|
static u32 mux_table_cpu_scale_out_sel[] = { 0, 1, 3 };
|
|
static struct clk_regmap meson8b_cpu_scale_out_sel = {
|
|
.data = &(struct clk_regmap_mux_data){
|
|
.offset = HHI_SYS_CPU_CLK_CNTL0,
|
|
.mask = 0x3,
|
|
.shift = 2,
|
|
.table = mux_table_cpu_scale_out_sel,
|
|
},
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "cpu_scale_out_sel",
|
|
.ops = &clk_regmap_mux_ro_ops,
|
|
/*
|
|
* NOTE: We are skipping the parent with value 0x2 (which is
|
|
* "cpu_div3") because it results in a duty cycle of 33% which
|
|
* makes the system unstable and can result in a lockup of the
|
|
* whole system.
|
|
*/
|
|
.parent_names = (const char *[]) { "cpu_in_sel",
|
|
"cpu_div2",
|
|
"cpu_scale_div" },
|
|
.num_parents = 3,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
};
|
|
|
|
static struct clk_regmap meson8b_cpu_clk = {
|
|
.data = &(struct clk_regmap_mux_data){
|
|
.offset = HHI_SYS_CPU_CLK_CNTL0,
|
|
.mask = 0x1,
|
|
.shift = 7,
|
|
},
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "cpu_clk",
|
|
.ops = &clk_regmap_mux_ro_ops,
|
|
.parent_names = (const char *[]){ "xtal",
|
|
"cpu_scale_out_sel" },
|
|
.num_parents = 2,
|
|
.flags = (CLK_SET_RATE_PARENT |
|
|
CLK_SET_RATE_NO_REPARENT |
|
|
CLK_IS_CRITICAL),
|
|
},
|
|
};
|
|
|
|
static struct clk_regmap meson8b_nand_clk_sel = {
|
|
.data = &(struct clk_regmap_mux_data){
|
|
.offset = HHI_NAND_CLK_CNTL,
|
|
.mask = 0x7,
|
|
.shift = 9,
|
|
.flags = CLK_MUX_ROUND_CLOSEST,
|
|
},
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "nand_clk_sel",
|
|
.ops = &clk_regmap_mux_ops,
|
|
/* FIXME all other parents are unknown: */
|
|
.parent_names = (const char *[]){ "fclk_div4", "fclk_div3",
|
|
"fclk_div5", "fclk_div7", "xtal" },
|
|
.num_parents = 5,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
};
|
|
|
|
static struct clk_regmap meson8b_nand_clk_div = {
|
|
.data = &(struct clk_regmap_div_data){
|
|
.offset = HHI_NAND_CLK_CNTL,
|
|
.shift = 0,
|
|
.width = 7,
|
|
.flags = CLK_DIVIDER_ROUND_CLOSEST,
|
|
},
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "nand_clk_div",
|
|
.ops = &clk_regmap_divider_ops,
|
|
.parent_names = (const char *[]){ "nand_clk_sel" },
|
|
.num_parents = 1,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
};
|
|
|
|
static struct clk_regmap meson8b_nand_clk_gate = {
|
|
.data = &(struct clk_regmap_gate_data){
|
|
.offset = HHI_NAND_CLK_CNTL,
|
|
.bit_idx = 8,
|
|
},
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "nand_clk_gate",
|
|
.ops = &clk_regmap_gate_ops,
|
|
.parent_names = (const char *[]){ "nand_clk_div" },
|
|
.num_parents = 1,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
};
|
|
|
|
/* Everything Else (EE) domain gates */
|
|
|
|
static MESON_GATE(meson8b_ddr, HHI_GCLK_MPEG0, 0);
|
|
static MESON_GATE(meson8b_dos, HHI_GCLK_MPEG0, 1);
|
|
static MESON_GATE(meson8b_isa, HHI_GCLK_MPEG0, 5);
|
|
static MESON_GATE(meson8b_pl301, HHI_GCLK_MPEG0, 6);
|
|
static MESON_GATE(meson8b_periphs, HHI_GCLK_MPEG0, 7);
|
|
static MESON_GATE(meson8b_spicc, HHI_GCLK_MPEG0, 8);
|
|
static MESON_GATE(meson8b_i2c, HHI_GCLK_MPEG0, 9);
|
|
static MESON_GATE(meson8b_sar_adc, HHI_GCLK_MPEG0, 10);
|
|
static MESON_GATE(meson8b_smart_card, HHI_GCLK_MPEG0, 11);
|
|
static MESON_GATE(meson8b_rng0, HHI_GCLK_MPEG0, 12);
|
|
static MESON_GATE(meson8b_uart0, HHI_GCLK_MPEG0, 13);
|
|
static MESON_GATE(meson8b_sdhc, HHI_GCLK_MPEG0, 14);
|
|
static MESON_GATE(meson8b_stream, HHI_GCLK_MPEG0, 15);
|
|
static MESON_GATE(meson8b_async_fifo, HHI_GCLK_MPEG0, 16);
|
|
static MESON_GATE(meson8b_sdio, HHI_GCLK_MPEG0, 17);
|
|
static MESON_GATE(meson8b_abuf, HHI_GCLK_MPEG0, 18);
|
|
static MESON_GATE(meson8b_hiu_iface, HHI_GCLK_MPEG0, 19);
|
|
static MESON_GATE(meson8b_assist_misc, HHI_GCLK_MPEG0, 23);
|
|
static MESON_GATE(meson8b_spi, HHI_GCLK_MPEG0, 30);
|
|
|
|
static MESON_GATE(meson8b_i2s_spdif, HHI_GCLK_MPEG1, 2);
|
|
static MESON_GATE(meson8b_eth, HHI_GCLK_MPEG1, 3);
|
|
static MESON_GATE(meson8b_demux, HHI_GCLK_MPEG1, 4);
|
|
static MESON_GATE(meson8b_aiu_glue, HHI_GCLK_MPEG1, 6);
|
|
static MESON_GATE(meson8b_iec958, HHI_GCLK_MPEG1, 7);
|
|
static MESON_GATE(meson8b_i2s_out, HHI_GCLK_MPEG1, 8);
|
|
static MESON_GATE(meson8b_amclk, HHI_GCLK_MPEG1, 9);
|
|
static MESON_GATE(meson8b_aififo2, HHI_GCLK_MPEG1, 10);
|
|
static MESON_GATE(meson8b_mixer, HHI_GCLK_MPEG1, 11);
|
|
static MESON_GATE(meson8b_mixer_iface, HHI_GCLK_MPEG1, 12);
|
|
static MESON_GATE(meson8b_adc, HHI_GCLK_MPEG1, 13);
|
|
static MESON_GATE(meson8b_blkmv, HHI_GCLK_MPEG1, 14);
|
|
static MESON_GATE(meson8b_aiu, HHI_GCLK_MPEG1, 15);
|
|
static MESON_GATE(meson8b_uart1, HHI_GCLK_MPEG1, 16);
|
|
static MESON_GATE(meson8b_g2d, HHI_GCLK_MPEG1, 20);
|
|
static MESON_GATE(meson8b_usb0, HHI_GCLK_MPEG1, 21);
|
|
static MESON_GATE(meson8b_usb1, HHI_GCLK_MPEG1, 22);
|
|
static MESON_GATE(meson8b_reset, HHI_GCLK_MPEG1, 23);
|
|
static MESON_GATE(meson8b_nand, HHI_GCLK_MPEG1, 24);
|
|
static MESON_GATE(meson8b_dos_parser, HHI_GCLK_MPEG1, 25);
|
|
static MESON_GATE(meson8b_usb, HHI_GCLK_MPEG1, 26);
|
|
static MESON_GATE(meson8b_vdin1, HHI_GCLK_MPEG1, 28);
|
|
static MESON_GATE(meson8b_ahb_arb0, HHI_GCLK_MPEG1, 29);
|
|
static MESON_GATE(meson8b_efuse, HHI_GCLK_MPEG1, 30);
|
|
static MESON_GATE(meson8b_boot_rom, HHI_GCLK_MPEG1, 31);
|
|
|
|
static MESON_GATE(meson8b_ahb_data_bus, HHI_GCLK_MPEG2, 1);
|
|
static MESON_GATE(meson8b_ahb_ctrl_bus, HHI_GCLK_MPEG2, 2);
|
|
static MESON_GATE(meson8b_hdmi_intr_sync, HHI_GCLK_MPEG2, 3);
|
|
static MESON_GATE(meson8b_hdmi_pclk, HHI_GCLK_MPEG2, 4);
|
|
static MESON_GATE(meson8b_usb1_ddr_bridge, HHI_GCLK_MPEG2, 8);
|
|
static MESON_GATE(meson8b_usb0_ddr_bridge, HHI_GCLK_MPEG2, 9);
|
|
static MESON_GATE(meson8b_mmc_pclk, HHI_GCLK_MPEG2, 11);
|
|
static MESON_GATE(meson8b_dvin, HHI_GCLK_MPEG2, 12);
|
|
static MESON_GATE(meson8b_uart2, HHI_GCLK_MPEG2, 15);
|
|
static MESON_GATE(meson8b_sana, HHI_GCLK_MPEG2, 22);
|
|
static MESON_GATE(meson8b_vpu_intr, HHI_GCLK_MPEG2, 25);
|
|
static MESON_GATE(meson8b_sec_ahb_ahb3_bridge, HHI_GCLK_MPEG2, 26);
|
|
static MESON_GATE(meson8b_clk81_a9, HHI_GCLK_MPEG2, 29);
|
|
|
|
static MESON_GATE(meson8b_vclk2_venci0, HHI_GCLK_OTHER, 1);
|
|
static MESON_GATE(meson8b_vclk2_venci1, HHI_GCLK_OTHER, 2);
|
|
static MESON_GATE(meson8b_vclk2_vencp0, HHI_GCLK_OTHER, 3);
|
|
static MESON_GATE(meson8b_vclk2_vencp1, HHI_GCLK_OTHER, 4);
|
|
static MESON_GATE(meson8b_gclk_venci_int, HHI_GCLK_OTHER, 8);
|
|
static MESON_GATE(meson8b_gclk_vencp_int, HHI_GCLK_OTHER, 9);
|
|
static MESON_GATE(meson8b_dac_clk, HHI_GCLK_OTHER, 10);
|
|
static MESON_GATE(meson8b_aoclk_gate, HHI_GCLK_OTHER, 14);
|
|
static MESON_GATE(meson8b_iec958_gate, HHI_GCLK_OTHER, 16);
|
|
static MESON_GATE(meson8b_enc480p, HHI_GCLK_OTHER, 20);
|
|
static MESON_GATE(meson8b_rng1, HHI_GCLK_OTHER, 21);
|
|
static MESON_GATE(meson8b_gclk_vencl_int, HHI_GCLK_OTHER, 22);
|
|
static MESON_GATE(meson8b_vclk2_venclmcc, HHI_GCLK_OTHER, 24);
|
|
static MESON_GATE(meson8b_vclk2_vencl, HHI_GCLK_OTHER, 25);
|
|
static MESON_GATE(meson8b_vclk2_other, HHI_GCLK_OTHER, 26);
|
|
static MESON_GATE(meson8b_edp, HHI_GCLK_OTHER, 31);
|
|
|
|
/* Always On (AO) domain gates */
|
|
|
|
static MESON_GATE(meson8b_ao_media_cpu, HHI_GCLK_AO, 0);
|
|
static MESON_GATE(meson8b_ao_ahb_sram, HHI_GCLK_AO, 1);
|
|
static MESON_GATE(meson8b_ao_ahb_bus, HHI_GCLK_AO, 2);
|
|
static MESON_GATE(meson8b_ao_iface, HHI_GCLK_AO, 3);
|
|
|
|
static struct clk_hw_onecell_data meson8b_hw_onecell_data = {
|
|
.hws = {
|
|
[CLKID_XTAL] = &meson8b_xtal.hw,
|
|
[CLKID_PLL_FIXED] = &meson8b_fixed_pll.hw,
|
|
[CLKID_PLL_VID] = &meson8b_vid_pll.hw,
|
|
[CLKID_PLL_SYS] = &meson8b_sys_pll.hw,
|
|
[CLKID_FCLK_DIV2] = &meson8b_fclk_div2.hw,
|
|
[CLKID_FCLK_DIV3] = &meson8b_fclk_div3.hw,
|
|
[CLKID_FCLK_DIV4] = &meson8b_fclk_div4.hw,
|
|
[CLKID_FCLK_DIV5] = &meson8b_fclk_div5.hw,
|
|
[CLKID_FCLK_DIV7] = &meson8b_fclk_div7.hw,
|
|
[CLKID_CPUCLK] = &meson8b_cpu_clk.hw,
|
|
[CLKID_MPEG_SEL] = &meson8b_mpeg_clk_sel.hw,
|
|
[CLKID_MPEG_DIV] = &meson8b_mpeg_clk_div.hw,
|
|
[CLKID_CLK81] = &meson8b_clk81.hw,
|
|
[CLKID_DDR] = &meson8b_ddr.hw,
|
|
[CLKID_DOS] = &meson8b_dos.hw,
|
|
[CLKID_ISA] = &meson8b_isa.hw,
|
|
[CLKID_PL301] = &meson8b_pl301.hw,
|
|
[CLKID_PERIPHS] = &meson8b_periphs.hw,
|
|
[CLKID_SPICC] = &meson8b_spicc.hw,
|
|
[CLKID_I2C] = &meson8b_i2c.hw,
|
|
[CLKID_SAR_ADC] = &meson8b_sar_adc.hw,
|
|
[CLKID_SMART_CARD] = &meson8b_smart_card.hw,
|
|
[CLKID_RNG0] = &meson8b_rng0.hw,
|
|
[CLKID_UART0] = &meson8b_uart0.hw,
|
|
[CLKID_SDHC] = &meson8b_sdhc.hw,
|
|
[CLKID_STREAM] = &meson8b_stream.hw,
|
|
[CLKID_ASYNC_FIFO] = &meson8b_async_fifo.hw,
|
|
[CLKID_SDIO] = &meson8b_sdio.hw,
|
|
[CLKID_ABUF] = &meson8b_abuf.hw,
|
|
[CLKID_HIU_IFACE] = &meson8b_hiu_iface.hw,
|
|
[CLKID_ASSIST_MISC] = &meson8b_assist_misc.hw,
|
|
[CLKID_SPI] = &meson8b_spi.hw,
|
|
[CLKID_I2S_SPDIF] = &meson8b_i2s_spdif.hw,
|
|
[CLKID_ETH] = &meson8b_eth.hw,
|
|
[CLKID_DEMUX] = &meson8b_demux.hw,
|
|
[CLKID_AIU_GLUE] = &meson8b_aiu_glue.hw,
|
|
[CLKID_IEC958] = &meson8b_iec958.hw,
|
|
[CLKID_I2S_OUT] = &meson8b_i2s_out.hw,
|
|
[CLKID_AMCLK] = &meson8b_amclk.hw,
|
|
[CLKID_AIFIFO2] = &meson8b_aififo2.hw,
|
|
[CLKID_MIXER] = &meson8b_mixer.hw,
|
|
[CLKID_MIXER_IFACE] = &meson8b_mixer_iface.hw,
|
|
[CLKID_ADC] = &meson8b_adc.hw,
|
|
[CLKID_BLKMV] = &meson8b_blkmv.hw,
|
|
[CLKID_AIU] = &meson8b_aiu.hw,
|
|
[CLKID_UART1] = &meson8b_uart1.hw,
|
|
[CLKID_G2D] = &meson8b_g2d.hw,
|
|
[CLKID_USB0] = &meson8b_usb0.hw,
|
|
[CLKID_USB1] = &meson8b_usb1.hw,
|
|
[CLKID_RESET] = &meson8b_reset.hw,
|
|
[CLKID_NAND] = &meson8b_nand.hw,
|
|
[CLKID_DOS_PARSER] = &meson8b_dos_parser.hw,
|
|
[CLKID_USB] = &meson8b_usb.hw,
|
|
[CLKID_VDIN1] = &meson8b_vdin1.hw,
|
|
[CLKID_AHB_ARB0] = &meson8b_ahb_arb0.hw,
|
|
[CLKID_EFUSE] = &meson8b_efuse.hw,
|
|
[CLKID_BOOT_ROM] = &meson8b_boot_rom.hw,
|
|
[CLKID_AHB_DATA_BUS] = &meson8b_ahb_data_bus.hw,
|
|
[CLKID_AHB_CTRL_BUS] = &meson8b_ahb_ctrl_bus.hw,
|
|
[CLKID_HDMI_INTR_SYNC] = &meson8b_hdmi_intr_sync.hw,
|
|
[CLKID_HDMI_PCLK] = &meson8b_hdmi_pclk.hw,
|
|
[CLKID_USB1_DDR_BRIDGE] = &meson8b_usb1_ddr_bridge.hw,
|
|
[CLKID_USB0_DDR_BRIDGE] = &meson8b_usb0_ddr_bridge.hw,
|
|
[CLKID_MMC_PCLK] = &meson8b_mmc_pclk.hw,
|
|
[CLKID_DVIN] = &meson8b_dvin.hw,
|
|
[CLKID_UART2] = &meson8b_uart2.hw,
|
|
[CLKID_SANA] = &meson8b_sana.hw,
|
|
[CLKID_VPU_INTR] = &meson8b_vpu_intr.hw,
|
|
[CLKID_SEC_AHB_AHB3_BRIDGE] = &meson8b_sec_ahb_ahb3_bridge.hw,
|
|
[CLKID_CLK81_A9] = &meson8b_clk81_a9.hw,
|
|
[CLKID_VCLK2_VENCI0] = &meson8b_vclk2_venci0.hw,
|
|
[CLKID_VCLK2_VENCI1] = &meson8b_vclk2_venci1.hw,
|
|
[CLKID_VCLK2_VENCP0] = &meson8b_vclk2_vencp0.hw,
|
|
[CLKID_VCLK2_VENCP1] = &meson8b_vclk2_vencp1.hw,
|
|
[CLKID_GCLK_VENCI_INT] = &meson8b_gclk_venci_int.hw,
|
|
[CLKID_GCLK_VENCP_INT] = &meson8b_gclk_vencp_int.hw,
|
|
[CLKID_DAC_CLK] = &meson8b_dac_clk.hw,
|
|
[CLKID_AOCLK_GATE] = &meson8b_aoclk_gate.hw,
|
|
[CLKID_IEC958_GATE] = &meson8b_iec958_gate.hw,
|
|
[CLKID_ENC480P] = &meson8b_enc480p.hw,
|
|
[CLKID_RNG1] = &meson8b_rng1.hw,
|
|
[CLKID_GCLK_VENCL_INT] = &meson8b_gclk_vencl_int.hw,
|
|
[CLKID_VCLK2_VENCLMCC] = &meson8b_vclk2_venclmcc.hw,
|
|
[CLKID_VCLK2_VENCL] = &meson8b_vclk2_vencl.hw,
|
|
[CLKID_VCLK2_OTHER] = &meson8b_vclk2_other.hw,
|
|
[CLKID_EDP] = &meson8b_edp.hw,
|
|
[CLKID_AO_MEDIA_CPU] = &meson8b_ao_media_cpu.hw,
|
|
[CLKID_AO_AHB_SRAM] = &meson8b_ao_ahb_sram.hw,
|
|
[CLKID_AO_AHB_BUS] = &meson8b_ao_ahb_bus.hw,
|
|
[CLKID_AO_IFACE] = &meson8b_ao_iface.hw,
|
|
[CLKID_MPLL0] = &meson8b_mpll0.hw,
|
|
[CLKID_MPLL1] = &meson8b_mpll1.hw,
|
|
[CLKID_MPLL2] = &meson8b_mpll2.hw,
|
|
[CLKID_MPLL0_DIV] = &meson8b_mpll0_div.hw,
|
|
[CLKID_MPLL1_DIV] = &meson8b_mpll1_div.hw,
|
|
[CLKID_MPLL2_DIV] = &meson8b_mpll2_div.hw,
|
|
[CLKID_CPU_IN_SEL] = &meson8b_cpu_in_sel.hw,
|
|
[CLKID_CPU_DIV2] = &meson8b_cpu_div2.hw,
|
|
[CLKID_CPU_DIV3] = &meson8b_cpu_div3.hw,
|
|
[CLKID_CPU_SCALE_DIV] = &meson8b_cpu_scale_div.hw,
|
|
[CLKID_CPU_SCALE_OUT_SEL] = &meson8b_cpu_scale_out_sel.hw,
|
|
[CLKID_MPLL_PREDIV] = &meson8b_mpll_prediv.hw,
|
|
[CLKID_FCLK_DIV2_DIV] = &meson8b_fclk_div2_div.hw,
|
|
[CLKID_FCLK_DIV3_DIV] = &meson8b_fclk_div3_div.hw,
|
|
[CLKID_FCLK_DIV4_DIV] = &meson8b_fclk_div4_div.hw,
|
|
[CLKID_FCLK_DIV5_DIV] = &meson8b_fclk_div5_div.hw,
|
|
[CLKID_FCLK_DIV7_DIV] = &meson8b_fclk_div7_div.hw,
|
|
[CLKID_NAND_SEL] = &meson8b_nand_clk_sel.hw,
|
|
[CLKID_NAND_DIV] = &meson8b_nand_clk_div.hw,
|
|
[CLKID_NAND_CLK] = &meson8b_nand_clk_gate.hw,
|
|
[CLK_NR_CLKS] = NULL,
|
|
},
|
|
.num = CLK_NR_CLKS,
|
|
};
|
|
|
|
static struct clk_regmap *const meson8b_clk_regmaps[] = {
|
|
&meson8b_clk81,
|
|
&meson8b_ddr,
|
|
&meson8b_dos,
|
|
&meson8b_isa,
|
|
&meson8b_pl301,
|
|
&meson8b_periphs,
|
|
&meson8b_spicc,
|
|
&meson8b_i2c,
|
|
&meson8b_sar_adc,
|
|
&meson8b_smart_card,
|
|
&meson8b_rng0,
|
|
&meson8b_uart0,
|
|
&meson8b_sdhc,
|
|
&meson8b_stream,
|
|
&meson8b_async_fifo,
|
|
&meson8b_sdio,
|
|
&meson8b_abuf,
|
|
&meson8b_hiu_iface,
|
|
&meson8b_assist_misc,
|
|
&meson8b_spi,
|
|
&meson8b_i2s_spdif,
|
|
&meson8b_eth,
|
|
&meson8b_demux,
|
|
&meson8b_aiu_glue,
|
|
&meson8b_iec958,
|
|
&meson8b_i2s_out,
|
|
&meson8b_amclk,
|
|
&meson8b_aififo2,
|
|
&meson8b_mixer,
|
|
&meson8b_mixer_iface,
|
|
&meson8b_adc,
|
|
&meson8b_blkmv,
|
|
&meson8b_aiu,
|
|
&meson8b_uart1,
|
|
&meson8b_g2d,
|
|
&meson8b_usb0,
|
|
&meson8b_usb1,
|
|
&meson8b_reset,
|
|
&meson8b_nand,
|
|
&meson8b_dos_parser,
|
|
&meson8b_usb,
|
|
&meson8b_vdin1,
|
|
&meson8b_ahb_arb0,
|
|
&meson8b_efuse,
|
|
&meson8b_boot_rom,
|
|
&meson8b_ahb_data_bus,
|
|
&meson8b_ahb_ctrl_bus,
|
|
&meson8b_hdmi_intr_sync,
|
|
&meson8b_hdmi_pclk,
|
|
&meson8b_usb1_ddr_bridge,
|
|
&meson8b_usb0_ddr_bridge,
|
|
&meson8b_mmc_pclk,
|
|
&meson8b_dvin,
|
|
&meson8b_uart2,
|
|
&meson8b_sana,
|
|
&meson8b_vpu_intr,
|
|
&meson8b_sec_ahb_ahb3_bridge,
|
|
&meson8b_clk81_a9,
|
|
&meson8b_vclk2_venci0,
|
|
&meson8b_vclk2_venci1,
|
|
&meson8b_vclk2_vencp0,
|
|
&meson8b_vclk2_vencp1,
|
|
&meson8b_gclk_venci_int,
|
|
&meson8b_gclk_vencp_int,
|
|
&meson8b_dac_clk,
|
|
&meson8b_aoclk_gate,
|
|
&meson8b_iec958_gate,
|
|
&meson8b_enc480p,
|
|
&meson8b_rng1,
|
|
&meson8b_gclk_vencl_int,
|
|
&meson8b_vclk2_venclmcc,
|
|
&meson8b_vclk2_vencl,
|
|
&meson8b_vclk2_other,
|
|
&meson8b_edp,
|
|
&meson8b_ao_media_cpu,
|
|
&meson8b_ao_ahb_sram,
|
|
&meson8b_ao_ahb_bus,
|
|
&meson8b_ao_iface,
|
|
&meson8b_mpeg_clk_div,
|
|
&meson8b_mpeg_clk_sel,
|
|
&meson8b_mpll0,
|
|
&meson8b_mpll1,
|
|
&meson8b_mpll2,
|
|
&meson8b_mpll0_div,
|
|
&meson8b_mpll1_div,
|
|
&meson8b_mpll2_div,
|
|
&meson8b_fixed_pll,
|
|
&meson8b_vid_pll,
|
|
&meson8b_sys_pll,
|
|
&meson8b_cpu_in_sel,
|
|
&meson8b_cpu_scale_div,
|
|
&meson8b_cpu_scale_out_sel,
|
|
&meson8b_cpu_clk,
|
|
&meson8b_mpll_prediv,
|
|
&meson8b_fclk_div2,
|
|
&meson8b_fclk_div3,
|
|
&meson8b_fclk_div4,
|
|
&meson8b_fclk_div5,
|
|
&meson8b_fclk_div7,
|
|
&meson8b_nand_clk_sel,
|
|
&meson8b_nand_clk_div,
|
|
&meson8b_nand_clk_gate,
|
|
};
|
|
|
|
static const struct meson8b_clk_reset_line {
|
|
u32 reg;
|
|
u8 bit_idx;
|
|
} meson8b_clk_reset_bits[] = {
|
|
[CLKC_RESET_L2_CACHE_SOFT_RESET] = {
|
|
.reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 30
|
|
},
|
|
[CLKC_RESET_AXI_64_TO_128_BRIDGE_A5_SOFT_RESET] = {
|
|
.reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 29
|
|
},
|
|
[CLKC_RESET_SCU_SOFT_RESET] = {
|
|
.reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 28
|
|
},
|
|
[CLKC_RESET_CPU3_SOFT_RESET] = {
|
|
.reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 27
|
|
},
|
|
[CLKC_RESET_CPU2_SOFT_RESET] = {
|
|
.reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 26
|
|
},
|
|
[CLKC_RESET_CPU1_SOFT_RESET] = {
|
|
.reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 25
|
|
},
|
|
[CLKC_RESET_CPU0_SOFT_RESET] = {
|
|
.reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 24
|
|
},
|
|
[CLKC_RESET_A5_GLOBAL_RESET] = {
|
|
.reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 18
|
|
},
|
|
[CLKC_RESET_A5_AXI_SOFT_RESET] = {
|
|
.reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 17
|
|
},
|
|
[CLKC_RESET_A5_ABP_SOFT_RESET] = {
|
|
.reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 16
|
|
},
|
|
[CLKC_RESET_AXI_64_TO_128_BRIDGE_MMC_SOFT_RESET] = {
|
|
.reg = HHI_SYS_CPU_CLK_CNTL1, .bit_idx = 30
|
|
},
|
|
[CLKC_RESET_VID_CLK_CNTL_SOFT_RESET] = {
|
|
.reg = HHI_VID_CLK_CNTL, .bit_idx = 15
|
|
},
|
|
[CLKC_RESET_VID_DIVIDER_CNTL_SOFT_RESET_POST] = {
|
|
.reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 7
|
|
},
|
|
[CLKC_RESET_VID_DIVIDER_CNTL_SOFT_RESET_PRE] = {
|
|
.reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 3
|
|
},
|
|
[CLKC_RESET_VID_DIVIDER_CNTL_RESET_N_POST] = {
|
|
.reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 1
|
|
},
|
|
[CLKC_RESET_VID_DIVIDER_CNTL_RESET_N_PRE] = {
|
|
.reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 0
|
|
},
|
|
};
|
|
|
|
static int meson8b_clk_reset_update(struct reset_controller_dev *rcdev,
|
|
unsigned long id, bool assert)
|
|
{
|
|
struct meson8b_clk_reset *meson8b_clk_reset =
|
|
container_of(rcdev, struct meson8b_clk_reset, reset);
|
|
unsigned long flags;
|
|
const struct meson8b_clk_reset_line *reset;
|
|
u32 val;
|
|
|
|
if (id >= ARRAY_SIZE(meson8b_clk_reset_bits))
|
|
return -EINVAL;
|
|
|
|
reset = &meson8b_clk_reset_bits[id];
|
|
|
|
spin_lock_irqsave(&meson_clk_lock, flags);
|
|
|
|
val = readl(meson8b_clk_reset->base + reset->reg);
|
|
if (assert)
|
|
val |= BIT(reset->bit_idx);
|
|
else
|
|
val &= ~BIT(reset->bit_idx);
|
|
writel(val, meson8b_clk_reset->base + reset->reg);
|
|
|
|
spin_unlock_irqrestore(&meson_clk_lock, flags);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int meson8b_clk_reset_assert(struct reset_controller_dev *rcdev,
|
|
unsigned long id)
|
|
{
|
|
return meson8b_clk_reset_update(rcdev, id, true);
|
|
}
|
|
|
|
static int meson8b_clk_reset_deassert(struct reset_controller_dev *rcdev,
|
|
unsigned long id)
|
|
{
|
|
return meson8b_clk_reset_update(rcdev, id, false);
|
|
}
|
|
|
|
static const struct reset_control_ops meson8b_clk_reset_ops = {
|
|
.assert = meson8b_clk_reset_assert,
|
|
.deassert = meson8b_clk_reset_deassert,
|
|
};
|
|
|
|
static const struct regmap_config clkc_regmap_config = {
|
|
.reg_bits = 32,
|
|
.val_bits = 32,
|
|
.reg_stride = 4,
|
|
};
|
|
|
|
static int meson8b_clkc_probe(struct platform_device *pdev)
|
|
{
|
|
int ret, i;
|
|
struct device *dev = &pdev->dev;
|
|
struct regmap *map;
|
|
|
|
if (!clk_base)
|
|
return -ENXIO;
|
|
|
|
map = devm_regmap_init_mmio(dev, clk_base, &clkc_regmap_config);
|
|
if (IS_ERR(map))
|
|
return PTR_ERR(map);
|
|
|
|
/* Populate regmap for the regmap backed clocks */
|
|
for (i = 0; i < ARRAY_SIZE(meson8b_clk_regmaps); i++)
|
|
meson8b_clk_regmaps[i]->map = map;
|
|
|
|
/*
|
|
* register all clks
|
|
* CLKID_UNUSED = 0, so skip it and start with CLKID_XTAL = 1
|
|
*/
|
|
for (i = CLKID_XTAL; i < CLK_NR_CLKS; i++) {
|
|
/* array might be sparse */
|
|
if (!meson8b_hw_onecell_data.hws[i])
|
|
continue;
|
|
|
|
ret = devm_clk_hw_register(dev, meson8b_hw_onecell_data.hws[i]);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
|
|
&meson8b_hw_onecell_data);
|
|
}
|
|
|
|
static const struct of_device_id meson8b_clkc_match_table[] = {
|
|
{ .compatible = "amlogic,meson8-clkc" },
|
|
{ .compatible = "amlogic,meson8b-clkc" },
|
|
{ .compatible = "amlogic,meson8m2-clkc" },
|
|
{ }
|
|
};
|
|
|
|
static struct platform_driver meson8b_driver = {
|
|
.probe = meson8b_clkc_probe,
|
|
.driver = {
|
|
.name = "meson8b-clkc",
|
|
.of_match_table = meson8b_clkc_match_table,
|
|
},
|
|
};
|
|
|
|
builtin_platform_driver(meson8b_driver);
|
|
|
|
static void __init meson8b_clkc_reset_init(struct device_node *np)
|
|
{
|
|
struct meson8b_clk_reset *rstc;
|
|
int ret;
|
|
|
|
/* Generic clocks, PLLs and some of the reset-bits */
|
|
clk_base = of_iomap(np, 1);
|
|
if (!clk_base) {
|
|
pr_err("%s: Unable to map clk base\n", __func__);
|
|
return;
|
|
}
|
|
|
|
rstc = kzalloc(sizeof(*rstc), GFP_KERNEL);
|
|
if (!rstc)
|
|
return;
|
|
|
|
/* Reset Controller */
|
|
rstc->base = clk_base;
|
|
rstc->reset.ops = &meson8b_clk_reset_ops;
|
|
rstc->reset.nr_resets = ARRAY_SIZE(meson8b_clk_reset_bits);
|
|
rstc->reset.of_node = np;
|
|
ret = reset_controller_register(&rstc->reset);
|
|
if (ret) {
|
|
pr_err("%s: Failed to register clkc reset controller: %d\n",
|
|
__func__, ret);
|
|
return;
|
|
}
|
|
}
|
|
|
|
CLK_OF_DECLARE_DRIVER(meson8_clkc, "amlogic,meson8-clkc",
|
|
meson8b_clkc_reset_init);
|
|
CLK_OF_DECLARE_DRIVER(meson8b_clkc, "amlogic,meson8b-clkc",
|
|
meson8b_clkc_reset_init);
|
|
CLK_OF_DECLARE_DRIVER(meson8m2_clkc, "amlogic,meson8m2-clkc",
|
|
meson8b_clkc_reset_init);
|