Merge branch 'master' of git://git.denx.de/u-boot-tegra

3 files changed, 80 insertions, 11 deletions

diff --git a/board/toradex/apalis-tk1/apalis-tk1.c b/board/toradex/apalis-tk1/apalis-tk1.c
index b87e9e7a3e..beb7e10dfe 100644
--- a/board/toradex/apalis-tk1/apalis-tk1.c
+++ b/board/toradex/apalis-tk1/apalis-tk1.c
@@ -10,6 +10,7 @@
 #include <asm/io.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/pinmux.h>
+#include <environment.h>
 #include <pci_tegra.h>
 #include <power/as3722.h>
 #include <power/pmic.h>
@@ -19,11 +20,16 @@
 
 #define LAN_DEV_OFF_N	TEGRA_GPIO(O, 6)
 #define LAN_RESET_N	TEGRA_GPIO(S, 2)
+#define FAN_EN		TEGRA_GPIO(DD, 2)
 #define LAN_WAKE_N	TEGRA_GPIO(O, 5)
 #ifdef CONFIG_APALIS_TK1_PCIE_EVALBOARD_INIT
 #define PEX_PERST_N	TEGRA_GPIO(DD, 1) /* Apalis GPIO7 */
 #define RESET_MOCI_CTRL	TEGRA_GPIO(U, 4)
 #endif /* CONFIG_APALIS_TK1_PCIE_EVALBOARD_INIT */
+#define VCC_USBH	TEGRA_GPIO(T, 6)
+#define VCC_USBH_V1_0	TEGRA_GPIO(N, 5)
+#define VCC_USBO1	TEGRA_GPIO(T, 5)
+#define VCC_USBO1_V1_0	TEGRA_GPIO(N, 4)
 
 int arch_misc_init(void)
 {
@@ -31,6 +37,38 @@ int arch_misc_init(void)
 	    NVBOOTTYPE_RECOVERY)
 		printf("USB recovery mode\n");
 
+	/* PCB Version Indication: V1.2 and later have GPIO_PV0 wired to GND */
+	gpio_request(TEGRA_GPIO(V, 0), "PCB Version Indication");
+	gpio_direction_input(TEGRA_GPIO(V, 0));
+	if (gpio_get_value(TEGRA_GPIO(V, 0))) {
+		/*
+		 * if using the default device tree for new V1.2 and later HW,
+		 * use version for older V1.0 and V1.1 HW
+		 */
+		char *fdt_env = env_get("fdt_module");
+
+		if (fdt_env && !strcmp(FDT_MODULE, fdt_env)) {
+			env_set("fdt_module", FDT_MODULE_V1_0);
+			printf("patching fdt_module to " FDT_MODULE_V1_0
+			       " for older V1.0 and V1.1 HW\n");
+#ifndef CONFIG_ENV_IS_NOWHERE
+			env_save();
+#endif
+		}
+
+		/* activate USB power enable GPIOs */
+		gpio_request(VCC_USBH_V1_0, "VCC_USBH");
+		gpio_direction_output(VCC_USBH_V1_0, 1);
+		gpio_request(VCC_USBO1_V1_0, "VCC_USBO1");
+		gpio_direction_output(VCC_USBO1_V1_0, 1);
+	} else {
+		/* activate USB power enable GPIOs */
+		gpio_request(VCC_USBH, "VCC_USBH");
+		gpio_direction_output(VCC_USBH, 1);
+		gpio_request(VCC_USBO1, "VCC_USBO1");
+		gpio_direction_output(VCC_USBO1, 1);
+	}
+
 	return 0;
 }
 
@@ -242,6 +280,15 @@ void tegra_pcie_board_port_reset(struct tegra_pcie_port *port)
 #endif /* CONFIG_PCI_TEGRA */
 
 /*
+ * Enable/start PWM CPU fan
+ */
+void start_cpu_fan(void)
+{
+	gpio_request(FAN_EN, "FAN_EN");
+	gpio_direction_output(FAN_EN, 1);
+}
+
+/*
  * Backlight off before OS handover
  */
 void board_preboot_os(void)
diff --git a/board/toradex/apalis-tk1/as3722_init.c b/board/toradex/apalis-tk1/as3722_init.c
index bd754e5fcf..15f8dce2f1 100644
--- a/board/toradex/apalis-tk1/as3722_init.c
+++ b/board/toradex/apalis-tk1/as3722_init.c
@@ -43,6 +43,29 @@ void pmic_enable_cpu_vdd(void)
 	udelay(10 * 1000);
 #endif
 
+	/*
+	 * Make sure all non-fused regulators are down.
+	 * That way we're in known state after software reboot from linux
+	 */
+	tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2);
+	tegra_i2c_ll_write_data(0x0003, I2C_SEND_2_BYTES);
+	udelay(10 * 1000);
+	tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2);
+	tegra_i2c_ll_write_data(0x0004, I2C_SEND_2_BYTES);
+	udelay(10 * 1000);
+	tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2);
+	tegra_i2c_ll_write_data(0x001b, I2C_SEND_2_BYTES);
+	udelay(10 * 1000);
+	tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2);
+	tegra_i2c_ll_write_data(0x0014, I2C_SEND_2_BYTES);
+	udelay(10 * 1000);
+	tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2);
+	tegra_i2c_ll_write_data(0x001a, I2C_SEND_2_BYTES);
+	udelay(10 * 1000);
+	tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2);
+	tegra_i2c_ll_write_data(0x0019, I2C_SEND_2_BYTES);
+	udelay(10 * 1000);
+
 	debug("%s: Setting VDD_CPU to 1.0V via AS3722 reg 0/4D\n", __func__);
 	/*
 	 * Bring up VDD_CPU via the AS3722 PMIC on the PWR I2C bus.
diff --git a/board/toradex/apalis-tk1/pinmux-config-apalis-tk1.h b/board/toradex/apalis-tk1/pinmux-config-apalis-tk1.h
index 1584d9b2d3..6778a41e07 100644
--- a/board/toradex/apalis-tk1/pinmux-config-apalis-tk1.h
+++ b/board/toradex/apalis-tk1/pinmux-config-apalis-tk1.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
- * Copyright (c) 2016, Toradex, Inc.
+ * Copyright (c) 2016-2019, Toradex, Inc.
  */
 
 #ifndef _PINMUX_CONFIG_APALIS_TK1_H_
@@ -24,8 +24,6 @@ static const struct tegra_gpio_config apalis_tk1_gpio_inits[] = {
 	GPIO_INIT(K,    2,   IN),
 	GPIO_INIT(K,    7,   IN),
 	GPIO_INIT(N,    2,   OUT1),
-	GPIO_INIT(N,    4,   OUT1),
-	GPIO_INIT(N,    5,   OUT1),
 	GPIO_INIT(N,    7,   IN),
 	GPIO_INIT(O,    5,   IN),
 	GPIO_INIT(Q,    0,   OUT0), /* Shift_CTRL_OE[0] */
@@ -39,7 +37,8 @@ static const struct tegra_gpio_config apalis_tk1_gpio_inits[] = {
 	GPIO_INIT(R,    1,   OUT0), /* Shift_CTRL_Dir_In[1] */
 	GPIO_INIT(R,    2,   OUT0), /* Shift_CTRL_OE[3] */
 	GPIO_INIT(S,    3,   OUT0), /* Shift_CTRL_Dir_In[2] */
-	GPIO_INIT(U,    4,   OUT1),
+	GPIO_INIT(U,    4,   OUT0), /* RESET_MOCI_CTRL */
+	GPIO_INIT(V,    0,   IN),
 	GPIO_INIT(W,    3,   IN),
 	GPIO_INIT(W,    5,   IN),
 	GPIO_INIT(BB,   0,  IN),
@@ -130,8 +129,8 @@ static const struct pmux_pingrp_config apalis_tk1_pingrps[] = {
 	PINCFG(DAP1_DIN_PN1,           RSVD4,        DOWN,   TRISTATE, OUTPUT,  DEFAULT, DEFAULT),
 	PINCFG(DAP1_DOUT_PN2,          SATA,         NORMAL, NORMAL,   OUTPUT,  DEFAULT, DEFAULT),
 	PINCFG(DAP1_SCLK_PN3,          RSVD4,        DOWN,   TRISTATE, OUTPUT,  DEFAULT, DEFAULT),
-	PINCFG(USB_VBUS_EN0_PN4,       RSVD2,        NORMAL, NORMAL,   OUTPUT,  DISABLE, DEFAULT),
-	PINCFG(USB_VBUS_EN1_PN5,       RSVD2,        NORMAL, NORMAL,   OUTPUT,  DISABLE, DEFAULT),
+	PINCFG(USB_VBUS_EN0_PN4,       RSVD2,        NORMAL, NORMAL,   INPUT,   DISABLE, DEFAULT),
+	PINCFG(USB_VBUS_EN1_PN5,       RSVD2,        NORMAL, NORMAL,   INPUT,   DISABLE, DEFAULT),
 	PINCFG(HDMI_INT_PN7,           RSVD1,        DOWN,   TRISTATE, INPUT,   DEFAULT, NORMAL),
 	PINCFG(ULPI_DATA7_PO0,         ULPI,         DOWN,   TRISTATE, OUTPUT,  DEFAULT, DEFAULT),
 	PINCFG(ULPI_DATA0_PO1,         ULPI,         DOWN,   TRISTATE, OUTPUT,  DEFAULT, DEFAULT),
@@ -175,8 +174,8 @@ static const struct pmux_pingrp_config apalis_tk1_pingrps[] = {
 	PINCFG(KB_ROW15_PS7,           RSVD2,        DOWN,   TRISTATE, OUTPUT,  DEFAULT, DEFAULT),
 	PINCFG(KB_ROW16_PT0,           RSVD2,        DOWN,   TRISTATE, OUTPUT,  DEFAULT, DEFAULT),
 	PINCFG(KB_ROW17_PT1,           RSVD2,        DOWN,   TRISTATE, OUTPUT,  DEFAULT, DEFAULT),
-	PINCFG(GEN2_I2C_SCL_PT5,       I2C2,         NORMAL, NORMAL,   INPUT,   ENABLE,  DEFAULT),
-	PINCFG(GEN2_I2C_SDA_PT6,       I2C2,         NORMAL, NORMAL,   INPUT,   ENABLE,  DEFAULT),
+	PINCFG(GEN2_I2C_SCL_PT5,       RSVD2,        NORMAL, NORMAL,   OUTPUT,  DISABLE, DEFAULT),
+	PINCFG(GEN2_I2C_SDA_PT6,       RSVD2,        NORMAL, NORMAL,   OUTPUT,  DISABLE, DEFAULT),
 	PINCFG(SDMMC4_CMD_PT7,         SDMMC4,       UP,     NORMAL,   INPUT,   DEFAULT, DEFAULT),
 	PINCFG(PU0,                    UARTA,        NORMAL, NORMAL,   OUTPUT,  DEFAULT, DEFAULT),
 	PINCFG(PU1,                    UARTA,        NORMAL, TRISTATE, INPUT,   DEFAULT, DEFAULT),
@@ -185,12 +184,12 @@ static const struct pmux_pingrp_config apalis_tk1_pingrps[] = {
 	PINCFG(PU4,                    GMI,          NORMAL, NORMAL,   OUTPUT,  DEFAULT, DEFAULT),
 	PINCFG(PU5,                    GMI,          DOWN,   TRISTATE, OUTPUT,  DEFAULT, DEFAULT),
 	PINCFG(PU6,                    PWM3,         NORMAL, NORMAL,   OUTPUT,  DEFAULT, DEFAULT),
-	PINCFG(PV0,                    RSVD1,        DOWN,   TRISTATE, OUTPUT,  DEFAULT, DEFAULT),
+	PINCFG(PV0,                    RSVD1,        UP,     NORMAL,   INPUT,   DEFAULT, DEFAULT),
 	PINCFG(PV1,                    RSVD1,        DOWN,   TRISTATE, OUTPUT,  DEFAULT, DEFAULT),
 	PINCFG(SDMMC3_CD_N_PV2,        RSVD3,        UP,     TRISTATE, INPUT,   DEFAULT, DEFAULT),
 	PINCFG(SDMMC1_WP_N_PV3,        SDMMC1,       UP,     TRISTATE, INPUT,   DEFAULT, DEFAULT),
-	PINCFG(DDC_SCL_PV4,            RSVD2,        NORMAL, NORMAL,   INPUT,   DEFAULT, DEFAULT),
-	PINCFG(DDC_SDA_PV5,            RSVD2,        NORMAL, NORMAL,   INPUT,   DEFAULT, DEFAULT),
+	PINCFG(DDC_SCL_PV4,            I2C4,         NORMAL, NORMAL,   INPUT,   DEFAULT, NORMAL),
+	PINCFG(DDC_SDA_PV5,            I2C4,         NORMAL, NORMAL,   INPUT,   DEFAULT, NORMAL),
 	PINCFG(GPIO_W2_AUD_PW2,        SPI2,         NORMAL, NORMAL,   OUTPUT,  DEFAULT, DEFAULT),
 	PINCFG(GPIO_W3_AUD_PW3,        SPI6,         NORMAL, TRISTATE, INPUT,   DEFAULT, DEFAULT),
 	PINCFG(DAP_MCLK1_PW4,          EXTPERIPH1,   NORMAL, NORMAL,   OUTPUT,  DEFAULT, DEFAULT),