557 lines
15 KiB
C
557 lines
15 KiB
C
/*
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* Legacy platform_data quirks
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*
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* Copyright (C) 2013 Texas Instruments
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/clk.h>
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#include <linux/davinci_emac.h>
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#include <linux/gpio.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/of_platform.h>
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#include <linux/ti_wilink_st.h>
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#include <linux/wl12xx.h>
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#include <linux/mmc/card.h>
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#include <linux/mmc/host.h>
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#include <linux/power/smartreflex.h>
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#include <linux/regulator/machine.h>
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#include <linux/regulator/fixed.h>
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#include <linux/platform_data/pinctrl-single.h>
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#include <linux/platform_data/hsmmc-omap.h>
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#include <linux/platform_data/iommu-omap.h>
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#include <linux/platform_data/ti-sysc.h>
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#include <linux/platform_data/wkup_m3.h>
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#include <linux/platform_data/asoc-ti-mcbsp.h>
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#include "common.h"
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#include "common-board-devices.h"
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#include "control.h"
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#include "omap_device.h"
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#include "omap-secure.h"
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#include "soc.h"
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#include "hsmmc.h"
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static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
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struct pdata_init {
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const char *compatible;
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void (*fn)(void);
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};
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static struct of_dev_auxdata omap_auxdata_lookup[];
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static struct twl4030_gpio_platform_data twl_gpio_auxdata;
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#ifdef CONFIG_MACH_NOKIA_N8X0
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static void __init omap2420_n8x0_legacy_init(void)
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{
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omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
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}
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#else
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#define omap2420_n8x0_legacy_init NULL
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#endif
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#ifdef CONFIG_ARCH_OMAP3
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/*
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* Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
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* mode for MMC1 in case bootloader did not configure things.
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* Note that if the pins are used for MMC1, pbias-regulator
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* manages the IO voltage.
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*/
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static void __init omap3_gpio126_127_129(void)
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{
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u32 reg;
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reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
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reg &= ~OMAP343X_PBIASLITEVMODE1;
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reg |= OMAP343X_PBIASLITEPWRDNZ1;
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omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
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if (cpu_is_omap3630()) {
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reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
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reg |= OMAP36XX_GPIO_IO_PWRDNZ;
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omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
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}
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}
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static void __init hsmmc2_internal_input_clk(void)
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{
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u32 reg;
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reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
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reg |= OMAP2_MMCSDIO2ADPCLKISEL;
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omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
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}
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static struct iommu_platform_data omap3_iommu_pdata = {
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.reset_name = "mmu",
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.assert_reset = omap_device_assert_hardreset,
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.deassert_reset = omap_device_deassert_hardreset,
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};
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static int omap3_sbc_t3730_twl_callback(struct device *dev,
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unsigned gpio,
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unsigned ngpio)
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{
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int res;
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res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
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"wlan pwr");
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if (res)
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return res;
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gpio_export(gpio, 0);
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return 0;
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}
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static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
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{
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int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
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if (err) {
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pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
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hub_name, err);
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return;
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}
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gpio_export(gpio, 0);
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udelay(10);
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gpio_set_value(gpio, 1);
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msleep(1);
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}
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static void __init omap3_sbc_t3730_twl_init(void)
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{
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twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
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}
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static void __init omap3_sbc_t3730_legacy_init(void)
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{
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omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
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}
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static void __init omap3_sbc_t3530_legacy_init(void)
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{
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omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
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}
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static struct ti_st_plat_data wilink_pdata = {
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.nshutdown_gpio = 137,
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.dev_name = "/dev/ttyO1",
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.flow_cntrl = 1,
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.baud_rate = 300000,
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};
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static struct platform_device wl18xx_device = {
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.name = "kim",
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.id = -1,
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.dev = {
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.platform_data = &wilink_pdata,
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}
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};
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static struct ti_st_plat_data wilink7_pdata = {
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.nshutdown_gpio = 162,
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.dev_name = "/dev/ttyO1",
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.flow_cntrl = 1,
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.baud_rate = 3000000,
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};
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static struct platform_device wl128x_device = {
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.name = "kim",
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.id = -1,
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.dev = {
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.platform_data = &wilink7_pdata,
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}
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};
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static struct platform_device btwilink_device = {
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.name = "btwilink",
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.id = -1,
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};
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static void __init omap3_igep0020_rev_f_legacy_init(void)
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{
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platform_device_register(&wl18xx_device);
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platform_device_register(&btwilink_device);
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}
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static void __init omap3_igep0030_rev_g_legacy_init(void)
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{
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platform_device_register(&wl18xx_device);
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platform_device_register(&btwilink_device);
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}
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static void __init omap3_evm_legacy_init(void)
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{
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hsmmc2_internal_input_clk();
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}
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static void am35xx_enable_emac_int(void)
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{
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u32 v;
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v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
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v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
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AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
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omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
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omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
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}
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static void am35xx_disable_emac_int(void)
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{
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u32 v;
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v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
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v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
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omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
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omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
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}
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static struct emac_platform_data am35xx_emac_pdata = {
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.interrupt_enable = am35xx_enable_emac_int,
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.interrupt_disable = am35xx_disable_emac_int,
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};
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static void __init am35xx_emac_reset(void)
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{
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u32 v;
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v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
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v &= ~AM35XX_CPGMACSS_SW_RST;
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omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
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omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
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}
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static struct gpio cm_t3517_wlan_gpios[] __initdata = {
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{ 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
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{ 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
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};
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static void __init omap3_sbc_t3517_wifi_init(void)
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{
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int err = gpio_request_array(cm_t3517_wlan_gpios,
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ARRAY_SIZE(cm_t3517_wlan_gpios));
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if (err) {
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pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
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return;
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}
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gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
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gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
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msleep(100);
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gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
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}
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static void __init omap3_sbc_t3517_legacy_init(void)
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{
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omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
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omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
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am35xx_emac_reset();
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hsmmc2_internal_input_clk();
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omap3_sbc_t3517_wifi_init();
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}
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static void __init am3517_evm_legacy_init(void)
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{
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am35xx_emac_reset();
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}
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static void __init nokia_n900_legacy_init(void)
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{
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hsmmc2_internal_input_clk();
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mmc_pdata[0].name = "external";
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mmc_pdata[1].name = "internal";
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if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
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if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
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pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
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/* set IBE to 1 */
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rx51_secure_update_aux_cr(BIT(6), 0);
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} else {
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pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
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pr_warn("Thumb binaries may crash randomly without this workaround\n");
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}
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}
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}
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static void __init omap3_tao3530_legacy_init(void)
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{
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hsmmc2_internal_input_clk();
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}
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static void __init omap3_logicpd_torpedo_init(void)
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{
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omap3_gpio126_127_129();
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platform_device_register(&wl128x_device);
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platform_device_register(&btwilink_device);
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}
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/* omap3pandora legacy devices */
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static struct platform_device pandora_backlight = {
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.name = "pandora-backlight",
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.id = -1,
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};
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static void __init omap3_pandora_legacy_init(void)
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{
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platform_device_register(&pandora_backlight);
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}
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#endif /* CONFIG_ARCH_OMAP3 */
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#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
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static struct iommu_platform_data omap4_iommu_pdata = {
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.reset_name = "mmu_cache",
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.assert_reset = omap_device_assert_hardreset,
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.deassert_reset = omap_device_deassert_hardreset,
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};
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#endif
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#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
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static struct wkup_m3_platform_data wkup_m3_data = {
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.reset_name = "wkup_m3",
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.assert_reset = omap_device_assert_hardreset,
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.deassert_reset = omap_device_deassert_hardreset,
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};
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#endif
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#ifdef CONFIG_SOC_OMAP5
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static void __init omap5_uevm_legacy_init(void)
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{
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}
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#endif
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#ifdef CONFIG_SOC_DRA7XX
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static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc1;
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static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc2;
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static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc3;
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static void __init dra7x_evm_mmc_quirk(void)
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{
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if (omap_rev() == DRA752_REV_ES1_1 || omap_rev() == DRA752_REV_ES1_0) {
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dra7_hsmmc_data_mmc1.version = "rev11";
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dra7_hsmmc_data_mmc1.max_freq = 96000000;
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dra7_hsmmc_data_mmc2.version = "rev11";
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dra7_hsmmc_data_mmc2.max_freq = 48000000;
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dra7_hsmmc_data_mmc3.version = "rev11";
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dra7_hsmmc_data_mmc3.max_freq = 48000000;
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}
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}
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#endif
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static int ti_sysc_enable_module(struct device *dev,
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const struct ti_sysc_cookie *cookie)
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{
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if (!cookie->data)
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return -EINVAL;
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return omap_hwmod_enable(cookie->data);
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}
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static int ti_sysc_idle_module(struct device *dev,
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const struct ti_sysc_cookie *cookie)
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{
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if (!cookie->data)
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return -EINVAL;
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return omap_hwmod_idle(cookie->data);
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}
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static int ti_sysc_shutdown_module(struct device *dev,
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const struct ti_sysc_cookie *cookie)
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{
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if (!cookie->data)
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return -EINVAL;
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return omap_hwmod_shutdown(cookie->data);
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}
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static struct of_dev_auxdata omap_auxdata_lookup[];
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static struct ti_sysc_platform_data ti_sysc_pdata = {
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.auxdata = omap_auxdata_lookup,
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.init_module = omap_hwmod_init_module,
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.enable_module = ti_sysc_enable_module,
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.idle_module = ti_sysc_idle_module,
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.shutdown_module = ti_sysc_shutdown_module,
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};
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static struct pcs_pdata pcs_pdata;
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void omap_pcs_legacy_init(int irq, void (*rearm)(void))
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{
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pcs_pdata.irq = irq;
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pcs_pdata.rearm = rearm;
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}
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/*
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* GPIOs for TWL are initialized by the I2C bus and need custom
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* handing until DSS has device tree bindings.
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*/
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void omap_auxdata_legacy_init(struct device *dev)
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{
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if (dev->platform_data)
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return;
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if (strcmp("twl4030-gpio", dev_name(dev)))
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return;
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dev->platform_data = &twl_gpio_auxdata;
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}
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#if IS_ENABLED(CONFIG_SND_OMAP_SOC_MCBSP)
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static struct omap_mcbsp_platform_data mcbsp_pdata;
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static void __init omap3_mcbsp_init(void)
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{
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omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
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}
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#else
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static void __init omap3_mcbsp_init(void) {}
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#endif
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/*
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* Few boards still need auxdata populated before we populate
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* the dev entries in of_platform_populate().
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*/
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static struct pdata_init auxdata_quirks[] __initdata = {
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#ifdef CONFIG_SOC_OMAP2420
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{ "nokia,n800", omap2420_n8x0_legacy_init, },
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{ "nokia,n810", omap2420_n8x0_legacy_init, },
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{ "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
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#endif
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#ifdef CONFIG_ARCH_OMAP3
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{ "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
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#endif
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{ /* sentinel */ },
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};
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struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
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static struct of_dev_auxdata omap_auxdata_lookup[] = {
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#ifdef CONFIG_MACH_NOKIA_N8X0
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OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
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OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
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OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
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#endif
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#ifdef CONFIG_ARCH_OMAP3
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OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
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&omap3_iommu_pdata),
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OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
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"480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
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OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
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"480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
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OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
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OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
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/* Only on am3517 */
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OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
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OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
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&am35xx_emac_pdata),
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OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call),
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/* McBSP modules with sidetone core */
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#if IS_ENABLED(CONFIG_SND_OMAP_SOC_MCBSP)
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OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
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OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
|
|
#endif
|
|
#endif
|
|
#ifdef CONFIG_SOC_AM33XX
|
|
OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
|
|
&wkup_m3_data),
|
|
#endif
|
|
#ifdef CONFIG_SOC_AM43XX
|
|
OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
|
|
&wkup_m3_data),
|
|
#endif
|
|
#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
|
|
OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
|
|
&omap4_iommu_pdata),
|
|
OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
|
|
&omap4_iommu_pdata),
|
|
OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
|
|
"4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]),
|
|
OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
|
|
"4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
|
|
OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
|
|
"4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
|
|
#endif
|
|
#ifdef CONFIG_SOC_DRA7XX
|
|
OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x4809c000, "4809c000.mmc",
|
|
&dra7_hsmmc_data_mmc1),
|
|
OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480b4000, "480b4000.mmc",
|
|
&dra7_hsmmc_data_mmc2),
|
|
OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480ad000, "480ad000.mmc",
|
|
&dra7_hsmmc_data_mmc3),
|
|
#endif
|
|
/* Common auxdata */
|
|
OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
|
|
OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
|
|
{ /* sentinel */ },
|
|
};
|
|
|
|
/*
|
|
* Few boards still need to initialize some legacy devices with
|
|
* platform data until the drivers support device tree.
|
|
*/
|
|
static struct pdata_init pdata_quirks[] __initdata = {
|
|
#ifdef CONFIG_ARCH_OMAP3
|
|
{ "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
|
|
{ "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
|
|
{ "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
|
|
{ "nokia,omap3-n900", nokia_n900_legacy_init, },
|
|
{ "nokia,omap3-n9", hsmmc2_internal_input_clk, },
|
|
{ "nokia,omap3-n950", hsmmc2_internal_input_clk, },
|
|
{ "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
|
|
{ "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
|
|
{ "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
|
|
{ "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
|
|
{ "ti,am3517-evm", am3517_evm_legacy_init, },
|
|
{ "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
|
|
{ "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
|
|
{ "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
|
|
#endif
|
|
#ifdef CONFIG_SOC_OMAP5
|
|
{ "ti,omap5-uevm", omap5_uevm_legacy_init, },
|
|
#endif
|
|
#ifdef CONFIG_SOC_DRA7XX
|
|
{ "ti,dra7-evm", dra7x_evm_mmc_quirk, },
|
|
#endif
|
|
{ /* sentinel */ },
|
|
};
|
|
|
|
static void pdata_quirks_check(struct pdata_init *quirks)
|
|
{
|
|
while (quirks->compatible) {
|
|
if (of_machine_is_compatible(quirks->compatible)) {
|
|
if (quirks->fn)
|
|
quirks->fn();
|
|
}
|
|
quirks++;
|
|
}
|
|
}
|
|
|
|
void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
|
|
{
|
|
/*
|
|
* We still need this for omap2420 and omap3 PM to work, others are
|
|
* using drivers/misc/sram.c already.
|
|
*/
|
|
if (of_machine_is_compatible("ti,omap2420") ||
|
|
of_machine_is_compatible("ti,omap3"))
|
|
omap_sdrc_init(NULL, NULL);
|
|
|
|
if (of_machine_is_compatible("ti,omap3"))
|
|
omap3_mcbsp_init();
|
|
pdata_quirks_check(auxdata_quirks);
|
|
of_platform_populate(NULL, omap_dt_match_table,
|
|
omap_auxdata_lookup, NULL);
|
|
pdata_quirks_check(pdata_quirks);
|
|
}
|