119 lines
4.4 KiB
C
119 lines
4.4 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
/*
|
||
|
|
* PSC clock descriptions for TI DA830/OMAP-L137/AM17XX
|
||
|
|
*
|
||
|
|
* Copyright (C) 2018 David Lechner <david@lechnology.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/clk-provider.h>
|
||
|
|
#include <linux/clk.h>
|
||
|
|
#include <linux/clkdev.h>
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
|
||
|
|
#include "psc.h"
|
||
|
|
|
||
|
|
LPSC_CLKDEV1(aemif_clkdev, NULL, "ti-aemif");
|
||
|
|
LPSC_CLKDEV1(spi0_clkdev, NULL, "spi_davinci.0");
|
||
|
|
LPSC_CLKDEV1(mmcsd_clkdev, NULL, "da830-mmc.0");
|
||
|
|
LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0");
|
||
|
|
|
||
|
|
static const struct davinci_lpsc_clk_info da830_psc0_info[] = {
|
||
|
|
LPSC(0, 0, tpcc, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
|
||
|
|
LPSC(1, 0, tptc0, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
|
||
|
|
LPSC(2, 0, tptc1, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
|
||
|
|
LPSC(3, 0, aemif, pll0_sysclk3, aemif_clkdev, LPSC_ALWAYS_ENABLED),
|
||
|
|
LPSC(4, 0, spi0, pll0_sysclk2, spi0_clkdev, 0),
|
||
|
|
LPSC(5, 0, mmcsd, pll0_sysclk2, mmcsd_clkdev, 0),
|
||
|
|
LPSC(6, 0, aintc, pll0_sysclk4, NULL, LPSC_ALWAYS_ENABLED),
|
||
|
|
LPSC(7, 0, arm_rom, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
|
||
|
|
LPSC(8, 0, secu_mgr, pll0_sysclk4, NULL, LPSC_ALWAYS_ENABLED),
|
||
|
|
LPSC(9, 0, uart0, pll0_sysclk2, uart0_clkdev, 0),
|
||
|
|
LPSC(10, 0, scr0_ss, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
|
||
|
|
LPSC(11, 0, scr1_ss, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
|
||
|
|
LPSC(12, 0, scr2_ss, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
|
||
|
|
LPSC(13, 0, pruss, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
|
||
|
|
LPSC(14, 0, arm, pll0_sysclk6, NULL, LPSC_ALWAYS_ENABLED),
|
||
|
|
{ }
|
||
|
|
};
|
||
|
|
|
||
|
|
static int da830_psc0_init(struct device *dev, void __iomem *base)
|
||
|
|
{
|
||
|
|
return davinci_psc_register_clocks(dev, da830_psc0_info, 16, base);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct clk_bulk_data da830_psc0_parent_clks[] = {
|
||
|
|
{ .id = "pll0_sysclk2" },
|
||
|
|
{ .id = "pll0_sysclk3" },
|
||
|
|
{ .id = "pll0_sysclk4" },
|
||
|
|
{ .id = "pll0_sysclk6" },
|
||
|
|
};
|
||
|
|
|
||
|
|
const struct davinci_psc_init_data da830_psc0_init_data = {
|
||
|
|
.parent_clks = da830_psc0_parent_clks,
|
||
|
|
.num_parent_clks = ARRAY_SIZE(da830_psc0_parent_clks),
|
||
|
|
.psc_init = &da830_psc0_init,
|
||
|
|
};
|
||
|
|
|
||
|
|
LPSC_CLKDEV3(usb0_clkdev, "fck", "da830-usb-phy-clks",
|
||
|
|
NULL, "musb-da8xx",
|
||
|
|
NULL, "cppi41-dmaengine");
|
||
|
|
LPSC_CLKDEV1(usb1_clkdev, NULL, "ohci-da8xx");
|
||
|
|
/* REVISIT: gpio-davinci.c should be modified to drop con_id */
|
||
|
|
LPSC_CLKDEV1(gpio_clkdev, "gpio", NULL);
|
||
|
|
LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1",
|
||
|
|
"fck", "davinci_mdio.0");
|
||
|
|
LPSC_CLKDEV1(mcasp0_clkdev, NULL, "davinci-mcasp.0");
|
||
|
|
LPSC_CLKDEV1(mcasp1_clkdev, NULL, "davinci-mcasp.1");
|
||
|
|
LPSC_CLKDEV1(mcasp2_clkdev, NULL, "davinci-mcasp.2");
|
||
|
|
LPSC_CLKDEV1(spi1_clkdev, NULL, "spi_davinci.1");
|
||
|
|
LPSC_CLKDEV1(i2c1_clkdev, NULL, "i2c_davinci.2");
|
||
|
|
LPSC_CLKDEV1(uart1_clkdev, NULL, "serial8250.1");
|
||
|
|
LPSC_CLKDEV1(uart2_clkdev, NULL, "serial8250.2");
|
||
|
|
LPSC_CLKDEV1(lcdc_clkdev, "fck", "da8xx_lcdc.0");
|
||
|
|
LPSC_CLKDEV2(pwm_clkdev, "fck", "ehrpwm.0",
|
||
|
|
"fck", "ehrpwm.1");
|
||
|
|
LPSC_CLKDEV3(ecap_clkdev, "fck", "ecap.0",
|
||
|
|
"fck", "ecap.1",
|
||
|
|
"fck", "ecap.2");
|
||
|
|
LPSC_CLKDEV2(eqep_clkdev, NULL, "eqep.0",
|
||
|
|
NULL, "eqep.1");
|
||
|
|
|
||
|
|
static const struct davinci_lpsc_clk_info da830_psc1_info[] = {
|
||
|
|
LPSC(1, 0, usb0, pll0_sysclk2, usb0_clkdev, 0),
|
||
|
|
LPSC(2, 0, usb1, pll0_sysclk4, usb1_clkdev, 0),
|
||
|
|
LPSC(3, 0, gpio, pll0_sysclk4, gpio_clkdev, 0),
|
||
|
|
LPSC(5, 0, emac, pll0_sysclk4, emac_clkdev, 0),
|
||
|
|
LPSC(6, 0, emif3, pll0_sysclk5, NULL, LPSC_ALWAYS_ENABLED),
|
||
|
|
LPSC(7, 0, mcasp0, pll0_sysclk2, mcasp0_clkdev, 0),
|
||
|
|
LPSC(8, 0, mcasp1, pll0_sysclk2, mcasp1_clkdev, 0),
|
||
|
|
LPSC(9, 0, mcasp2, pll0_sysclk2, mcasp2_clkdev, 0),
|
||
|
|
LPSC(10, 0, spi1, pll0_sysclk2, spi1_clkdev, 0),
|
||
|
|
LPSC(11, 0, i2c1, pll0_sysclk4, i2c1_clkdev, 0),
|
||
|
|
LPSC(12, 0, uart1, pll0_sysclk2, uart1_clkdev, 0),
|
||
|
|
LPSC(13, 0, uart2, pll0_sysclk2, uart2_clkdev, 0),
|
||
|
|
LPSC(16, 0, lcdc, pll0_sysclk2, lcdc_clkdev, 0),
|
||
|
|
LPSC(17, 0, pwm, pll0_sysclk2, pwm_clkdev, 0),
|
||
|
|
LPSC(20, 0, ecap, pll0_sysclk2, ecap_clkdev, 0),
|
||
|
|
LPSC(21, 0, eqep, pll0_sysclk2, eqep_clkdev, 0),
|
||
|
|
{ }
|
||
|
|
};
|
||
|
|
|
||
|
|
static int da830_psc1_init(struct device *dev, void __iomem *base)
|
||
|
|
{
|
||
|
|
return davinci_psc_register_clocks(dev, da830_psc1_info, 32, base);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct clk_bulk_data da830_psc1_parent_clks[] = {
|
||
|
|
{ .id = "pll0_sysclk2" },
|
||
|
|
{ .id = "pll0_sysclk4" },
|
||
|
|
{ .id = "pll0_sysclk5" },
|
||
|
|
};
|
||
|
|
|
||
|
|
const struct davinci_psc_init_data da830_psc1_init_data = {
|
||
|
|
.parent_clks = da830_psc1_parent_clks,
|
||
|
|
.num_parent_clks = ARRAY_SIZE(da830_psc1_parent_clks),
|
||
|
|
.psc_init = &da830_psc1_init,
|
||
|
|
};
|