Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 556 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
new file mode 100644
index 000000000..b57faa231
--- /dev/null
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -0,0 +1,556 @@
+/*
+ * Legacy platform_data quirks
+ *
+ * Copyright (C) 2013 Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#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 "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,
+};
+
+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 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");
+		}
+	}
+}
+
+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,
+};
+#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 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_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_OMAP_SOC_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,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),
+	OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call),
+	/* McBSP modules with sidetone core */
+#if IS_ENABLED(CONFIG_SND_OMAP_SOC_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);
+}