ARM: dts: AM335x-ICEv2: Add minimal dts support

Add minimal dts support for AM335x-ICEv2 board

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>

2 files changed, 432 insertions, 1 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index e12f8d3749..92c7545bb5 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -93,7 +93,8 @@ dtb-$(CONFIG_ARCH_ZYNQMP) += \
 	zynqmp-zc1751-xm019-dc5.dtb
 dtb-$(CONFIG_AM33XX) += am335x-boneblack.dtb am335x-bone.dtb am335x-evm.dtb \
 	am335x-evmsk.dtb \
-	am335x-bonegreen.dtb
+	am335x-bonegreen.dtb \
+	am335x-icev2.dtb
 dtb-$(CONFIG_AM43XX) += am437x-gp-evm.dtb am437x-sk-evm.dtb	\
 	am43x-epos-evm.dtb \
 	am437x-idk-evm.dtb
diff --git a/arch/arm/dts/am335x-icev2.dts b/arch/arm/dts/am335x-icev2.dts
new file mode 100644
index 0000000000..debc6f6132
--- /dev/null
+++ b/arch/arm/dts/am335x-icev2.dts
@@ -0,0 +1,430 @@
+/*
+ * Copyright (C) 2016 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * 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.
+ */
+
+/*
+ * AM335x ICE V2 board
+ * http://www.ti.com/tool/tmdsice3359
+ */
+
+/dts-v1/;
+
+#include "am33xx.dtsi"
+
+/ {
+	model = "TI AM3359 ICE-V2";
+	compatible = "ti,am3359-icev2", "ti,am33xx";
+
+	chosen {
+		stdout-path = &uart3;
+		tick-timer = &timer2;
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x80000000 0x10000000>; /* 256 MB */
+	};
+
+	vbat: fixedregulator@0 {
+		compatible = "regulator-fixed";
+		regulator-name = "vbat";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-boot-on;
+	};
+
+	vtt_fixed: fixedregulator@1 {
+		compatible = "regulator-fixed";
+		regulator-name = "vtt";
+		regulator-min-microvolt = <1500000>;
+		regulator-max-microvolt = <1500000>;
+		gpio = <&gpio0 18 GPIO_ACTIVE_HIGH>;
+		regulator-always-on;
+		regulator-boot-on;
+		enable-active-high;
+	};
+
+	leds@0 {
+		compatible = "gpio-leds";
+
+		led@0 {
+			label = "out0";
+			gpios = <&tpic2810 0 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led@1 {
+			label = "out1";
+			gpios = <&tpic2810 1 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led@2 {
+			label = "out2";
+			gpios = <&tpic2810 2 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led@3 {
+			label = "out3";
+			gpios = <&tpic2810 3 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led@4 {
+			label = "out4";
+			gpios = <&tpic2810 4 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led@5 {
+			label = "out5";
+			gpios = <&tpic2810 5 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led@6 {
+			label = "out6";
+			gpios = <&tpic2810 6 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led@7 {
+			label = "out7";
+			gpios = <&tpic2810 7 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+	};
+
+	/* Tricolor status LEDs */
+	leds@1 {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&user_leds>;
+
+		led@0 {
+			label = "status0:red:cpu0";
+			gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+			linux,default-trigger = "cpu0";
+		};
+
+		led@1 {
+			label = "status0:green:usr";
+			gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led@2 {
+			label = "status0:yellow:usr";
+			gpios = <&gpio3 9 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led@3 {
+			label = "status1:red:mmc0";
+			gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+			linux,default-trigger = "mmc0";
+		};
+
+		led@4 {
+			label = "status1:green:usr";
+			gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led@5 {
+			label = "status1:yellow:usr";
+			gpios = <&gpio0 19 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+	};
+};
+
+&am33xx_pinmux {
+	user_leds: user_leds {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x91c, PIN_OUTPUT | MUX_MODE7) /* (J18) gmii1_txd3.gpio0[16] */
+			AM33XX_IOPAD(0x920, PIN_OUTPUT | MUX_MODE7) /* (K15) gmii1_txd2.gpio0[17] */
+			AM33XX_IOPAD(0x9b0, PIN_OUTPUT | MUX_MODE7) /* (A15) xdma_event_intr0.gpio0[19] */
+			AM33XX_IOPAD(0x9b4, PIN_OUTPUT | MUX_MODE7) /* (D14) xdma_event_intr1.gpio0[20] */
+			AM33XX_IOPAD(0x880, PIN_OUTPUT | MUX_MODE7) /* (U9) gpmc_csn1.gpio1[30] */
+			AM33XX_IOPAD(0x92c, PIN_OUTPUT | MUX_MODE7) /* (K18) gmii1_txclk.gpio3[9] */
+		>;
+	};
+
+	mmc0_pins_default: mmc0_pins_default {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0) /* (F17) mmc0_dat3.mmc0_dat3 */
+			AM33XX_IOPAD(0x8f4, PIN_INPUT_PULLUP | MUX_MODE0) /* (F18) mmc0_dat2.mmc0_dat2 */
+			AM33XX_IOPAD(0x8f8, PIN_INPUT_PULLUP | MUX_MODE0) /* (G15) mmc0_dat1.mmc0_dat1 */
+			AM33XX_IOPAD(0x8fc, PIN_INPUT_PULLUP | MUX_MODE0) /* (G16) mmc0_dat0.mmc0_dat0 */
+			AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0) /* (G17) mmc0_clk.mmc0_clk */
+			AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0) /* (G18) mmc0_cmd.mmc0_cmd */
+			AM33XX_IOPAD(0x960, PIN_INPUT_PULLUP | MUX_MODE5) /* (C15) spi0_cs1.mmc0_sdcd */
+		>;
+	};
+
+	i2c0_pins_default: i2c0_pins_default {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x988, PIN_INPUT | MUX_MODE0) /* (C17) I2C0_SDA.I2C0_SDA */
+			AM33XX_IOPAD(0x98c, PIN_INPUT | MUX_MODE0) /* (C16) I2C0_SCL.I2C0_SCL */
+		>;
+	};
+
+	spi0_pins_default: spi0_pins_default {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x950, PIN_INPUT_PULLUP | MUX_MODE0) /* (A17) spi0_sclk.spi0_sclk */
+			AM33XX_IOPAD(0x954, PIN_INPUT_PULLUP | MUX_MODE0) /* (B17) spi0_d0.spi0_d0 */
+			AM33XX_IOPAD(0x958, PIN_INPUT_PULLUP | MUX_MODE0) /* (B16) spi0_d1.spi0_d1 */
+			AM33XX_IOPAD(0x95c, PIN_INPUT_PULLUP | MUX_MODE0) /* (A16) spi0_cs0.spi0_cs0 */
+		>;
+	};
+
+	uart3_pins_default: uart3_pins_default {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x934, PIN_INPUT_PULLUP | MUX_MODE1) /* (L17) gmii1_rxd3.uart3_rxd */
+			AM33XX_IOPAD(0x938, PIN_OUTPUT_PULLUP | MUX_MODE1) /* (L16) gmii1_rxd2.uart3_txd */
+		>;
+	};
+
+	cpsw_default: cpsw_default {
+		pinctrl-single,pins = <
+			/* Slave 1, RMII mode */
+			AM33XX_IOPAD(0x90c, (PIN_INPUT_PULLUP | MUX_MODE1))	/* mii1_crs.rmii1_crs_dv */
+			AM33XX_IOPAD(0x944, (PIN_INPUT_PULLUP | MUX_MODE0))	/* rmii1_refclk.rmii1_refclk */
+			AM33XX_IOPAD(0x940, (PIN_INPUT_PULLUP | MUX_MODE1))	/* mii1_rxd0.rmii1_rxd0 */
+			AM33XX_IOPAD(0x93c, (PIN_INPUT_PULLUP | MUX_MODE1))	/* mii1_rxd1.rmii1_rxd1 */
+			AM33XX_IOPAD(0x910, (PIN_INPUT_PULLUP | MUX_MODE1))	/* mii1_rxerr.rmii1_rxerr */
+			AM33XX_IOPAD(0x928, (PIN_OUTPUT_PULLDOWN | MUX_MODE1))	/* mii1_txd0.rmii1_txd0 */
+			AM33XX_IOPAD(0x924, (PIN_OUTPUT_PULLDOWN | MUX_MODE1))	/* mii1_txd1.rmii1_txd1 */
+			AM33XX_IOPAD(0x914, (PIN_OUTPUT_PULLDOWN | MUX_MODE1))	/* mii1_txen.rmii1_txen */
+			/* Slave 2, RMII mode */
+			AM33XX_IOPAD(0x870, (PIN_INPUT_PULLUP | MUX_MODE3))	/* gpmc_wait0.rmii2_crs_dv */
+			AM33XX_IOPAD(0x908, (PIN_INPUT_PULLUP | MUX_MODE1))	/* mii1_col.rmii2_refclk */
+			AM33XX_IOPAD(0x86c, (PIN_INPUT_PULLUP | MUX_MODE3))	/* gpmc_a11.rmii2_rxd0 */
+			AM33XX_IOPAD(0x868, (PIN_INPUT_PULLUP | MUX_MODE3))	/* gpmc_a10.rmii2_rxd1 */
+			AM33XX_IOPAD(0x874, (PIN_INPUT_PULLUP | MUX_MODE3))	/* gpmc_wpn.rmii2_rxerr */
+			AM33XX_IOPAD(0x854, (PIN_OUTPUT_PULLDOWN | MUX_MODE3))	/* gpmc_a5.rmii2_txd0 */
+			AM33XX_IOPAD(0x850, (PIN_OUTPUT_PULLDOWN | MUX_MODE3))	/* gpmc_a4.rmii2_txd1 */
+			AM33XX_IOPAD(0x840, (PIN_OUTPUT_PULLDOWN | MUX_MODE3))	/* gpmc_a0.rmii2_txen */
+		>;
+	};
+
+	cpsw_sleep: cpsw_sleep {
+		pinctrl-single,pins = <
+			/* Slave 1 reset value */
+			AM33XX_IOPAD(0x90c, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+			AM33XX_IOPAD(0x944, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+			AM33XX_IOPAD(0x940, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+			AM33XX_IOPAD(0x93c, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+			AM33XX_IOPAD(0x910, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+			AM33XX_IOPAD(0x928, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+			AM33XX_IOPAD(0x924, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+			AM33XX_IOPAD(0x914, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+
+			/* Slave 2 reset value */
+			AM33XX_IOPAD(0x870, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+			AM33XX_IOPAD(0x908, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+			AM33XX_IOPAD(0x86c, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+			AM33XX_IOPAD(0x868, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+			AM33XX_IOPAD(0x874, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+			AM33XX_IOPAD(0x854, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+			AM33XX_IOPAD(0x850, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+			AM33XX_IOPAD(0x840, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+		>;
+	};
+
+	davinci_mdio_default: davinci_mdio_default {
+		pinctrl-single,pins = <
+			/* MDIO */
+			AM33XX_IOPAD(0x948, (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0))	/* mdio_data.mdio_data */
+			AM33XX_IOPAD(0x94c, (PIN_OUTPUT_PULLUP | MUX_MODE0))			/* mdio_clk.mdio_clk */
+		>;
+	};
+
+	davinci_mdio_sleep: davinci_mdio_sleep {
+		pinctrl-single,pins = <
+			/* MDIO reset value */
+			AM33XX_IOPAD(0x948, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+			AM33XX_IOPAD(0x94c, (PIN_INPUT_PULLDOWN | MUX_MODE7))
+		>;
+	};
+};
+
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins_default>;
+
+	status = "okay";
+	clock-frequency = <400000>;
+
+	tps: power-controller@2d {
+		reg = <0x2d>;
+	};
+
+	tpic2810: gpio@60 {
+		compatible = "ti,tpic2810";
+		reg = <0x60>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+};
+
+#include "tps65910.dtsi"
+
+&tps {
+	vcc1-supply = <&vbat>;
+	vcc2-supply = <&vbat>;
+	vcc3-supply = <&vbat>;
+	vcc4-supply = <&vbat>;
+	vcc5-supply = <&vbat>;
+	vcc6-supply = <&vbat>;
+	vcc7-supply = <&vbat>;
+	vccio-supply = <&vbat>;
+
+	regulators {
+		vrtc_reg: regulator@0 {
+			regulator-always-on;
+		};
+
+		vio_reg: regulator@1 {
+			regulator-always-on;
+		};
+
+		vdd1_reg: regulator@2 {
+			regulator-name = "vdd_mpu";
+			regulator-min-microvolt = <912500>;
+			regulator-max-microvolt = <1326000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		vdd2_reg: regulator@3 {
+			regulator-name = "vdd_core";
+			regulator-min-microvolt = <912500>;
+			regulator-max-microvolt = <1144000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		vdd3_reg: regulator@4 {
+			regulator-always-on;
+		};
+
+		vdig1_reg: regulator@5 {
+			regulator-always-on;
+		};
+
+		vdig2_reg: regulator@6 {
+			regulator-always-on;
+		};
+
+		vpll_reg: regulator@7 {
+			regulator-always-on;
+		};
+
+		vdac_reg: regulator@8 {
+			regulator-always-on;
+		};
+
+		vaux1_reg: regulator@9 {
+			regulator-always-on;
+		};
+
+		vaux2_reg: regulator@10 {
+			regulator-always-on;
+		};
+
+		vaux33_reg: regulator@11 {
+			regulator-always-on;
+		};
+
+		vmmc_reg: regulator@12 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <3300000>;
+			regulator-always-on;
+		};
+	};
+};
+
+&mmc1 {
+	status = "okay";
+	vmmc-supply = <&vmmc_reg>;
+	bus-width = <4>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc0_pins_default>;
+};
+
+&gpio0 {
+	/* Do not idle the GPIO used for holding the VTT regulator */
+	ti,no-reset-on-init;
+	ti,no-idle-on-init;
+
+	p7 {
+		gpio-hog;
+		gpios = <7 GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "FET_SWITCH_CTRL";
+	};
+};
+
+&uart3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart3_pins_default>;
+	status = "okay";
+};
+
+&gpio3 {
+	p4 {
+		gpio-hog;
+		gpios = <4 GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "PR1_MII_CTRL";
+	};
+
+	p10 {
+		gpio-hog;
+		gpios = <10 GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "MUX_MII_CTRL";
+	};
+};
+
+&cpsw_emac0 {
+	phy_id = <&davinci_mdio>, <1>;
+	phy-mode = "rmii";
+	dual_emac_res_vlan = <1>;
+};
+
+&cpsw_emac1 {
+	phy_id = <&davinci_mdio>, <3>;
+	phy-mode = "rmii";
+	dual_emac_res_vlan = <2>;
+};
+
+&mac {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&cpsw_default>;
+	pinctrl-1 = <&cpsw_sleep>;
+	status = "okay";
+	dual_emac;
+};
+
+&phy_sel {
+	rmii-clock-ext;
+};
+
+&davinci_mdio {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&davinci_mdio_default>;
+	pinctrl-1 = <&davinci_mdio_sleep>;
+	status = "okay";
+	reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>;
+	reset-delay-us = <2>;   /* PHY datasheet states 1uS min */
+};