am335x: igep003x: Add Device Tree Support and DM_MMC driver

This adds device tree and the DM_MMC driver for the AM335x IGEP based
boards.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>

4 files changed, 423 insertions, 1 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 4b4bd806e0..b2ca87deef 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -194,7 +194,8 @@ dtb-$(CONFIG_AM33XX) += am335x-boneblack.dtb am335x-bone.dtb \
 	am335x-rut.dtb \
 	am335x-pdu001.dtb \
 	am335x-chiliboard.dtb \
-	am335x-sl50.dtb
+	am335x-sl50.dtb \
+	am335x-base0033.dtb
 dtb-$(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-base0033.dts b/arch/arm/dts/am335x-base0033.dts
new file mode 100644
index 0000000000..29782be076
--- /dev/null
+++ b/arch/arm/dts/am335x-base0033.dts
@@ -0,0 +1,95 @@
+/*
+ * am335x-base0033.dts - Device Tree file for IGEP AQUILA EXPANSION
+ *
+ * Copyright (C) 2013 ISEE 2007 SL - http://www.isee.biz
+ *
+ * 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 "am335x-igep0033.dtsi"
+
+/ {
+	model = "IGEP COM AM335x on AQUILA Expansion";
+	compatible = "isee,am335x-base0033", "isee,am335x-igep0033", "ti,am33xx";
+
+	hdmi {
+		compatible = "ti,tilcdc,slave";
+		i2c = <&i2c0>;
+		pinctrl-names = "default", "off";
+		pinctrl-0 = <&nxp_hdmi_pins>;
+		pinctrl-1 = <&nxp_hdmi_off_pins>;
+		status = "okay";
+	};
+
+	leds_base {
+		pinctrl-names = "default";
+		pinctrl-0 = <&leds_base_pins>;
+
+		compatible = "gpio-leds";
+
+		led0 {
+			label = "base:red:user";
+			gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;	/* gpio1_21 */
+			default-state = "off";
+		};
+
+		led1 {
+			label = "base:green:user";
+			gpios = <&gpio2 0 GPIO_ACTIVE_HIGH>;	/* gpio2_0 */
+			default-state = "off";
+		};
+	};
+};
+
+&am33xx_pinmux {
+	nxp_hdmi_pins: pinmux_nxp_hdmi_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x9b0, PIN_OUTPUT | MUX_MODE3)	/* xdma_event_intr0.clkout1 */
+			AM33XX_IOPAD(0x8a0, PIN_OUTPUT | MUX_MODE0)	/* lcd_data0 */
+			AM33XX_IOPAD(0x8a4, PIN_OUTPUT | MUX_MODE0)	/* lcd_data1 */
+			AM33XX_IOPAD(0x8a8, PIN_OUTPUT | MUX_MODE0)	/* lcd_data2 */
+			AM33XX_IOPAD(0x8ac, PIN_OUTPUT | MUX_MODE0)	/* lcd_data3 */
+			AM33XX_IOPAD(0x8b0, PIN_OUTPUT | MUX_MODE0)	/* lcd_data4 */
+			AM33XX_IOPAD(0x8b4, PIN_OUTPUT | MUX_MODE0)	/* lcd_data5 */
+			AM33XX_IOPAD(0x8b8, PIN_OUTPUT | MUX_MODE0)	/* lcd_data6 */
+			AM33XX_IOPAD(0x8bc, PIN_OUTPUT | MUX_MODE0)	/* lcd_data7 */
+			AM33XX_IOPAD(0x8c0, PIN_OUTPUT | MUX_MODE0)	/* lcd_data8 */
+			AM33XX_IOPAD(0x8c4, PIN_OUTPUT | MUX_MODE0)	/* lcd_data9 */
+			AM33XX_IOPAD(0x8c8, PIN_OUTPUT | MUX_MODE0)	/* lcd_data10 */
+			AM33XX_IOPAD(0x8cc, PIN_OUTPUT | MUX_MODE0)	/* lcd_data11 */
+			AM33XX_IOPAD(0x8d0, PIN_OUTPUT | MUX_MODE0)	/* lcd_data12 */
+			AM33XX_IOPAD(0x8d4, PIN_OUTPUT | MUX_MODE0)	/* lcd_data13 */
+			AM33XX_IOPAD(0x8d8, PIN_OUTPUT | MUX_MODE0)	/* lcd_data14 */
+			AM33XX_IOPAD(0x8dc, PIN_OUTPUT | MUX_MODE0)	/* lcd_data15 */
+			AM33XX_IOPAD(0x8e0, PIN_OUTPUT | MUX_MODE0)	/* lcd_vsync */
+			AM33XX_IOPAD(0x8e4, PIN_OUTPUT | MUX_MODE0)	/* lcd_hsync */
+			AM33XX_IOPAD(0x8e8, PIN_OUTPUT | MUX_MODE0)	/* lcd_pclk */
+			AM33XX_IOPAD(0x8ec, PIN_OUTPUT | MUX_MODE0)	/* lcd_ac_bias_en */
+		>;
+	};
+	nxp_hdmi_off_pins: pinmux_nxp_hdmi_off_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x9b0, PIN_OUTPUT | MUX_MODE3)	/* xdma_event_intr0.clkout1 */
+		>;
+	};
+
+	leds_base_pins: pinmux_leds_base_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x854, PIN_OUTPUT_PULLDOWN | MUX_MODE7)	/* gpmc_a5.gpio1_21 */
+			AM33XX_IOPAD(0x888, PIN_OUTPUT_PULLDOWN | MUX_MODE7)	/* gpmc_csn3.gpio2_0 */
+		>;
+	};
+};
+
+&lcdc {
+	status = "okay";
+};
+
+&i2c0 {
+	eeprom: eeprom@50 {
+		compatible = "atmel,24c256";
+		reg = <0x50>;
+	};
+};
diff --git a/arch/arm/dts/am335x-igep0033.dtsi b/arch/arm/dts/am335x-igep0033.dtsi
new file mode 100644
index 0000000000..a5769a8f5f
--- /dev/null
+++ b/arch/arm/dts/am335x-igep0033.dtsi
@@ -0,0 +1,323 @@
+/*
+ * am335x-igep0033.dtsi - Device Tree file for IGEP COM AQUILA AM335x
+ *
+ * Copyright (C) 2013 ISEE 2007 SL - http://www.isee.biz
+ *
+ * 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.
+ */
+
+/dts-v1/;
+
+#include "am33xx.dtsi"
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	cpus {
+		cpu@0 {
+			cpu0-supply = <&vdd1_reg>;
+		};
+	};
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x10000000>; /* 256 MB */
+	};
+
+	leds {
+		pinctrl-names = "default";
+		pinctrl-0 = <&leds_pins>;
+
+		compatible = "gpio-leds";
+
+		led0 {
+			label = "com:green:user";
+			gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+	};
+
+	vbat: fixedregulator0 {
+		compatible = "regulator-fixed";
+		regulator-name = "vbat";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-boot-on;
+	};
+
+	vmmc: fixedregulator1 {
+		compatible = "regulator-fixed";
+		regulator-name = "vmmc";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+};
+
+&am33xx_pinmux {
+	i2c0_pins: pinmux_i2c0_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c0_sda.i2c0_sda */
+			AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c0_scl.i2c0_scl */
+		>;
+	};
+
+	nandflash_pins: pinmux_nandflash_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad0.gpmc_ad0 */
+			AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad1.gpmc_ad1 */
+			AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad2.gpmc_ad2 */
+			AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad3.gpmc_ad3 */
+			AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad4.gpmc_ad4 */
+			AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad5.gpmc_ad5 */
+			AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad6.gpmc_ad6 */
+			AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad7.gpmc_ad7 */
+			AM33XX_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_wait0.gpmc_wait0 */
+			AM33XX_IOPAD(0x874, PIN_INPUT_PULLUP | MUX_MODE7)	/* gpmc_wpn.gpio0_30 */
+			AM33XX_IOPAD(0x87c, PIN_OUTPUT | MUX_MODE0)		/* gpmc_csn0.gpmc_csn0 */
+			AM33XX_IOPAD(0x890, PIN_OUTPUT | MUX_MODE0)		/* gpmc_advn_ale.gpmc_advn_ale */
+			AM33XX_IOPAD(0x894, PIN_OUTPUT | MUX_MODE0)		/* gpmc_oen_ren.gpmc_oen_ren */
+			AM33XX_IOPAD(0x898, PIN_OUTPUT | MUX_MODE0)		/* gpmc_wen.gpmc_wen */
+			AM33XX_IOPAD(0x89c, PIN_OUTPUT | MUX_MODE0)		/* gpmc_be0n_cle.gpmc_be0n_cle */
+		>;
+	};
+
+	uart0_pins: pinmux_uart0_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)	/* uart0_rxd.uart0_rxd */
+			AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* uart0_txd.uart0_txd */
+		>;
+	};
+
+	leds_pins: pinmux_leds_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x85c, PIN_OUTPUT_PULLDOWN | MUX_MODE7)	/* gpmc_a7.gpio1_23 */
+		>;
+	};
+};
+
+&mac {
+	status = "okay";
+};
+
+&davinci_mdio {
+	status = "okay";
+};
+
+&cpsw_emac0 {
+	phy_id = <&davinci_mdio>, <0>;
+	phy-mode = "rmii";
+};
+
+&cpsw_emac1 {
+	phy_id = <&davinci_mdio>, <1>;
+	phy-mode = "rmii";
+};
+
+&phy_sel {
+	rmii-clock-ext;
+};
+
+&elm {
+	status = "okay";
+};
+
+&gpmc {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&nandflash_pins>;
+
+	ranges = <0 0 0x08000000 0x1000000>;	/* CS0: 16MB for NAND */
+
+	nand@0,0 {
+		compatible = "ti,omap2-nand";
+		reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
+		interrupt-parent = <&gpmc>;
+		interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
+			     <1 IRQ_TYPE_NONE>;	/* termcount */
+		rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
+		nand-bus-width = <8>;
+		ti,nand-ecc-opt = "bch8";
+		gpmc,device-width = <1>;
+		gpmc,sync-clk-ps = <0>;
+		gpmc,cs-on-ns = <0>;
+		gpmc,cs-rd-off-ns = <44>;
+		gpmc,cs-wr-off-ns = <44>;
+		gpmc,adv-on-ns = <6>;
+		gpmc,adv-rd-off-ns = <34>;
+		gpmc,adv-wr-off-ns = <44>;
+		gpmc,we-on-ns = <0>;
+		gpmc,we-off-ns = <40>;
+		gpmc,oe-on-ns = <0>;
+		gpmc,oe-off-ns = <54>;
+		gpmc,access-ns = <64>;
+		gpmc,rd-cycle-ns = <82>;
+		gpmc,wr-cycle-ns = <82>;
+		gpmc,bus-turnaround-ns = <0>;
+		gpmc,cycle2cycle-delay-ns = <0>;
+		gpmc,clk-activation-ns = <0>;
+		gpmc,wr-access-ns = <40>;
+		gpmc,wr-data-mux-bus-ns = <0>;
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ti,elm-id = <&elm>;
+
+		/* MTD partition table */
+		partition@0 {
+			label = "SPL";
+			reg = <0x00000000 0x000080000>;
+		};
+
+		partition@1 {
+			label = "U-boot";
+			reg = <0x00080000 0x001e0000>;
+		};
+
+		partition@2 {
+			label = "U-Boot Env";
+			reg = <0x00260000 0x00020000>;
+		};
+
+		partition@3 {
+			label = "Kernel";
+			reg = <0x00280000 0x00500000>;
+		};
+
+		partition@4 {
+			label = "File System";
+			reg = <0x00780000 0x007880000>;
+		};
+	};
+};
+
+&i2c0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins>;
+
+	clock-frequency = <400000>;
+
+	tps: tps@2d {
+		reg = <0x2d>;
+	};
+};
+
+&mmc1 {
+	status = "okay";
+	vmmc-supply = <&vmmc>;
+	bus-width = <4>;
+};
+
+&uart0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins>;
+};
+
+&usb {
+	status = "okay";
+};
+
+&usb_ctrl_mod {
+	status = "okay";
+};
+
+&usb0_phy {
+	status = "okay";
+};
+
+&usb1_phy {
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+};
+
+&usb1 {
+	status = "okay";
+	dr_mode = "host";
+};
+
+&cppi41dma  {
+	status = "okay";
+};
+
+#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 {
+			/* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */
+			regulator-name = "vdd_mpu";
+			regulator-min-microvolt = <912500>;
+			regulator-max-microvolt = <1312500>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		vdd2_reg: regulator@3 {
+			/* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
+			regulator-name = "vdd_core";
+			regulator-min-microvolt = <912500>;
+			regulator-max-microvolt = <1150000>;
+			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-always-on;
+		};
+	};
+};
+
diff --git a/configs/am335x_igep003x_defconfig b/configs/am335x_igep003x_defconfig
index 186c65f0bf..0a8feadc75 100644
--- a/configs/am335x_igep003x_defconfig
+++ b/configs/am335x_igep003x_defconfig
@@ -41,6 +41,9 @@ CONFIG_CMD_UBI=y
 # CONFIG_CMD_UBIFS is not set
 CONFIG_ENV_IS_IN_UBI=y
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_DEFAULT_DEVICE_TREE="am335x-base0033"
+CONFIG_OF_CONTROL=y
+CONFIG_DM_MMC=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_NAND=y
 CONFIG_MTD_UBI_FASTMAP=y