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// SPDX-License-Identifier: GPL-2.0-only
/*
* Legacy platform_data quirks
*
* Copyright (C) 2013 Texas Instruments
*/
#include <linux/clk.h>
#include <linux/davinci_emac.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/of_platform.h>
#include <linux/ti_wilink_st.h>
#include <linux/wl12xx.h>
#include <linux/mmc/card.h>
#include <linux/mmc/host.h>
#include <linux/power/smartreflex.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/platform_data/pinctrl-single.h>
#include <linux/platform_data/hsmmc-omap.h>
#include <linux/platform_data/iommu-omap.h>
#include <linux/platform_data/ti-sysc.h>
#include <linux/platform_data/wkup_m3.h>
#include <linux/platform_data/asoc-ti-mcbsp.h>
#include "clockdomain.h"
#include "common.h"
#include "common-board-devices.h"
#include "control.h"
#include "omap_device.h"
#include "omap-secure.h"
#include "soc.h"
#include "hsmmc.h"
static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
struct pdata_init {
const char *compatible;
void (*fn)(void);
};
static struct of_dev_auxdata omap_auxdata_lookup[];
static struct twl4030_gpio_platform_data twl_gpio_auxdata;
#ifdef CONFIG_MACH_NOKIA_N8X0
static void __init omap2420_n8x0_legacy_init(void)
{
omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
}
#else
#define omap2420_n8x0_legacy_init NULL
#endif
#ifdef CONFIG_ARCH_OMAP3
/*
* Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
* mode for MMC1 in case bootloader did not configure things.
* Note that if the pins are used for MMC1, pbias-regulator
* manages the IO voltage.
*/
static void __init omap3_gpio126_127_129(void)
{
u32 reg;
reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
reg &= ~OMAP343X_PBIASLITEVMODE1;
reg |= OMAP343X_PBIASLITEPWRDNZ1;
omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
if (cpu_is_omap3630()) {
reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
reg |= OMAP36XX_GPIO_IO_PWRDNZ;
omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
}
}
static void __init hsmmc2_internal_input_clk(void)
{
u32 reg;
reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
reg |= OMAP2_MMCSDIO2ADPCLKISEL;
omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
}
static struct iommu_platform_data omap3_iommu_pdata = {
.reset_name = "mmu",
.assert_reset = omap_device_assert_hardreset,
.deassert_reset = omap_device_deassert_hardreset,
.device_enable = omap_device_enable,
.device_idle = omap_device_idle,
};
static struct iommu_platform_data omap3_iommu_isp_pdata = {
.device_enable = omap_device_enable,
.device_idle = omap_device_idle,
};
static int omap3_sbc_t3730_twl_callback(struct device *dev,
unsigned gpio,
unsigned ngpio)
{
int res;
res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
"wlan pwr");
if (res)
return res;
gpio_export(gpio, 0);
return 0;
}
static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
{
int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
if (err) {
pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
hub_name, err);
return;
}
gpio_export(gpio, 0);
udelay(10);
gpio_set_value(gpio, 1);
msleep(1);
}
static void __init omap3_sbc_t3730_twl_init(void)
{
twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
}
static void __init omap3_sbc_t3730_legacy_init(void)
{
omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
}
static void __init omap3_sbc_t3530_legacy_init(void)
{
omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
}
static struct ti_st_plat_data wilink_pdata = {
.nshutdown_gpio = 137,
.dev_name = "/dev/ttyO1",
.flow_cntrl = 1,
.baud_rate = 300000,
};
static struct platform_device wl18xx_device = {
.name = "kim",
.id = -1,
.dev = {
.platform_data = &wilink_pdata,
}
};
static struct ti_st_plat_data wilink7_pdata = {
.nshutdown_gpio = 162,
.dev_name = "/dev/ttyO1",
.flow_cntrl = 1,
.baud_rate = 3000000,
};
static struct platform_device wl128x_device = {
.name = "kim",
.id = -1,
.dev = {
.platform_data = &wilink7_pdata,
}
};
static struct platform_device btwilink_device = {
.name = "btwilink",
.id = -1,
};
static void __init omap3_igep0020_rev_f_legacy_init(void)
{
platform_device_register(&wl18xx_device);
platform_device_register(&btwilink_device);
}
static void __init omap3_igep0030_rev_g_legacy_init(void)
{
platform_device_register(&wl18xx_device);
platform_device_register(&btwilink_device);
}
static void __init omap3_evm_legacy_init(void)
{
hsmmc2_internal_input_clk();
}
static void am35xx_enable_emac_int(void)
{
u32 v;
v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
}
static void am35xx_disable_emac_int(void)
{
u32 v;
v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
}
static struct emac_platform_data am35xx_emac_pdata = {
.interrupt_enable = am35xx_enable_emac_int,
.interrupt_disable = am35xx_disable_emac_int,
};
static void __init am35xx_emac_reset(void)
{
u32 v;
v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
v &= ~AM35XX_CPGMACSS_SW_RST;
omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
}
static struct gpio cm_t3517_wlan_gpios[] __initdata = {
{ 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
{ 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
};
static void __init omap3_sbc_t3517_wifi_init(void)
{
int err = gpio_request_array(cm_t3517_wlan_gpios,
ARRAY_SIZE(cm_t3517_wlan_gpios));
if (err) {
pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
return;
}
gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
msleep(100);
gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
}
static void __init omap3_sbc_t3517_legacy_init(void)
{
omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
am35xx_emac_reset();
hsmmc2_internal_input_clk();
omap3_sbc_t3517_wifi_init();
}
static void __init am3517_evm_legacy_init(void)
{
am35xx_emac_reset();
}
static struct platform_device omap3_rom_rng_device = {
.name = "omap3-rom-rng",
.id = -1,
.dev = {
.platform_data = rx51_secure_rng_call,
},
};
static void __init nokia_n900_legacy_init(void)
{
hsmmc2_internal_input_clk();
mmc_pdata[0].name = "external";
mmc_pdata[1].name = "internal";
if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
/* set IBE to 1 */
rx51_secure_update_aux_cr(BIT(6), 0);
} else {
pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
pr_warn("Thumb binaries may crash randomly without this workaround\n");
}
pr_info("RX-51: Registering OMAP3 HWRNG device\n");
platform_device_register(&omap3_rom_rng_device);
}
}
static void __init omap3_tao3530_legacy_init(void)
{
hsmmc2_internal_input_clk();
}
static void __init omap3_logicpd_torpedo_init(void)
{
omap3_gpio126_127_129();
platform_device_register(&wl128x_device);
platform_device_register(&btwilink_device);
}
/* omap3pandora legacy devices */
static struct platform_device pandora_backlight = {
.name = "pandora-backlight",
.id = -1,
};
static void __init omap3_pandora_legacy_init(void)
{
platform_device_register(&pandora_backlight);
}
#endif /* CONFIG_ARCH_OMAP3 */
#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
static struct iommu_platform_data omap4_iommu_pdata = {
.reset_name = "mmu_cache",
.assert_reset = omap_device_assert_hardreset,
.deassert_reset = omap_device_deassert_hardreset,
.device_enable = omap_device_enable,
.device_idle = omap_device_idle,
};
#endif
#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
static struct wkup_m3_platform_data wkup_m3_data = {
.reset_name = "wkup_m3",
.assert_reset = omap_device_assert_hardreset,
.deassert_reset = omap_device_deassert_hardreset,
};
#endif
#ifdef CONFIG_SOC_OMAP5
static void __init omap5_uevm_legacy_init(void)
{
}
#endif
#ifdef CONFIG_SOC_DRA7XX
static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc1;
static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc2;
static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc3;
static void __init dra7x_evm_mmc_quirk(void)
{
if (omap_rev() == DRA752_REV_ES1_1 || omap_rev() == DRA752_REV_ES1_0) {
dra7_hsmmc_data_mmc1.version = "rev11";
dra7_hsmmc_data_mmc1.max_freq = 96000000;
dra7_hsmmc_data_mmc2.version = "rev11";
dra7_hsmmc_data_mmc2.max_freq = 48000000;
dra7_hsmmc_data_mmc3.version = "rev11";
dra7_hsmmc_data_mmc3.max_freq = 48000000;
}
}
#endif
static struct clockdomain *ti_sysc_find_one_clockdomain(struct clk *clk)
{
struct clk_hw *hw = __clk_get_hw(clk);
struct clockdomain *clkdm = NULL;
struct clk_hw_omap *hwclk;
hwclk = to_clk_hw_omap(hw);
if (!omap2_clk_is_hw_omap(hw))
return NULL;
if (hwclk && hwclk->clkdm_name)
clkdm = clkdm_lookup(hwclk->clkdm_name);
return clkdm;
}
/**
* ti_sysc_clkdm_init - find clockdomain based on clock
* @fck: device functional clock
* @ick: device interface clock
* @dev: struct device
*
* Populate clockdomain based on clock. It is needed for
* clkdm_deny_idle() and clkdm_allow_idle() for blocking clockdomain
* clockdomain idle during reset, enable and idle.
*
* Note that we assume interconnect driver manages the clocks
* and do not need to populate oh->_clk for dynamically
* allocated modules.
*/
static int ti_sysc_clkdm_init(struct device *dev,
struct clk *fck, struct clk *ick,
struct ti_sysc_cookie *cookie)
{
if (!IS_ERR(fck))
cookie->clkdm = ti_sysc_find_one_clockdomain(fck);
if (cookie->clkdm)
return 0;
if (!IS_ERR(ick))
cookie->clkdm = ti_sysc_find_one_clockdomain(ick);
if (cookie->clkdm)
return 0;
return -ENODEV;
}
static void ti_sysc_clkdm_deny_idle(struct device *dev,
const struct ti_sysc_cookie *cookie)
{
if (cookie->clkdm)
clkdm_deny_idle(cookie->clkdm);
}
static void ti_sysc_clkdm_allow_idle(struct device *dev,
const struct ti_sysc_cookie *cookie)
{
if (cookie->clkdm)
clkdm_allow_idle(cookie->clkdm);
}
static int ti_sysc_enable_module(struct device *dev,
const struct ti_sysc_cookie *cookie)
{
if (!cookie->data)
return -EINVAL;
return omap_hwmod_enable(cookie->data);
}
static int ti_sysc_idle_module(struct device *dev,
const struct ti_sysc_cookie *cookie)
{
if (!cookie->data)
return -EINVAL;
return omap_hwmod_idle(cookie->data);
}
static int ti_sysc_shutdown_module(struct device *dev,
const struct ti_sysc_cookie *cookie)
{
if (!cookie->data)
return -EINVAL;
return omap_hwmod_shutdown(cookie->data);
}
static struct of_dev_auxdata omap_auxdata_lookup[];
static struct ti_sysc_platform_data ti_sysc_pdata = {
.auxdata = omap_auxdata_lookup,
.init_clockdomain = ti_sysc_clkdm_init,
.clkdm_deny_idle = ti_sysc_clkdm_deny_idle,
.clkdm_allow_idle = ti_sysc_clkdm_allow_idle,
.init_module = omap_hwmod_init_module,
.enable_module = ti_sysc_enable_module,
.idle_module = ti_sysc_idle_module,
.shutdown_module = ti_sysc_shutdown_module,
};
static struct pcs_pdata pcs_pdata;
void omap_pcs_legacy_init(int irq, void (*rearm)(void))
{
pcs_pdata.irq = irq;
pcs_pdata.rearm = rearm;
}
/*
* GPIOs for TWL are initialized by the I2C bus and need custom
* handing until DSS has device tree bindings.
*/
void omap_auxdata_legacy_init(struct device *dev)
{
if (dev->platform_data)
return;
if (strcmp("twl4030-gpio", dev_name(dev)))
return;
dev->platform_data = &twl_gpio_auxdata;
}
#if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
static struct omap_mcbsp_platform_data mcbsp_pdata;
static void __init omap3_mcbsp_init(void)
{
omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
}
#else
static void __init omap3_mcbsp_init(void) {}
#endif
/*
* Few boards still need auxdata populated before we populate
* the dev entries in of_platform_populate().
*/
static struct pdata_init auxdata_quirks[] __initdata = {
#ifdef CONFIG_SOC_OMAP2420
{ "nokia,n800", omap2420_n8x0_legacy_init, },
{ "nokia,n810", omap2420_n8x0_legacy_init, },
{ "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
#endif
#ifdef CONFIG_ARCH_OMAP3
{ "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
#endif
{ /* sentinel */ },
};
struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
static struct of_dev_auxdata omap_auxdata_lookup[] = {
#ifdef CONFIG_MACH_NOKIA_N8X0
OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
#endif
#ifdef CONFIG_ARCH_OMAP3
OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
&omap3_iommu_pdata),
OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu",
&omap3_iommu_isp_pdata),
OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
"480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
"480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
/* Only on am3517 */
OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
&am35xx_emac_pdata),
/* McBSP modules with sidetone core */
#if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
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);
}
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