rockchip: rk3188: Add Radxa Rock board

The Rock is a RK3188 based single board computer by Radxa.
Currently it still relies on the proprietary DDR init and
cannot use the generic SPL, but at least is able to boot
a linux kernel and system up to a regular login prompt.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
Fix sort order in defconfig, enable CONFIG_SPL_TINY_MEMSET:
Signed-off-by: Simon Glass <sjg@chromium.org>

1 files changed, 382 insertions, 0 deletions

diff --git a/arch/arm/dts/rk3188-radxarock.dts b/arch/arm/dts/rk3188-radxarock.dts
new file mode 100644
index 0000000000..5f5b5e9a1f
--- /dev/null
+++ b/arch/arm/dts/rk3188-radxarock.dts
@@ -0,0 +1,382 @@
+/*
+ * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+ or X11
+ */
+
+/dts-v1/;
+#include <dt-bindings/input/input.h>
+#include "rk3188.dtsi"
+
+/ {
+	model = "Radxa Rock";
+	compatible = "radxa,rock", "rockchip,rk3188";
+
+	chosen {
+/*		stdout-path = &uart2; */
+		stdout-path = "serial2:115200n8";
+	};
+
+	config {
+		u-boot,dm-pre-reloc;
+		u-boot,boot-led = "rock:red:power";
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x60000000 0x80000000>;
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		autorepeat;
+
+		power {
+			gpios = <&gpio0 4 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_POWER>;
+			label = "GPIO Key Power";
+			linux,input-type = <1>;
+			wakeup-source;
+			debounce-interval = <100>;
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		green {
+			label = "rock:green:user1";
+			gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+
+		blue {
+			label = "rock:blue:user2";
+			gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+
+		sleep {
+			label = "rock:red:power";
+			gpios = <&gpio0 15 0>;
+			default-state = "off";
+		};
+	};
+
+	sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "SPDIF";
+
+		simple-audio-card,dai-link@1 {  /* S/PDIF - S/PDIF */
+			cpu { sound-dai = <&spdif>; };
+			codec { sound-dai = <&spdif_out>; };
+		};
+	};
+
+	spdif_out: spdif-out {
+		compatible = "linux,spdif-dit";
+		#sound-dai-cells = <0>;
+	};
+
+	ir_recv: gpio-ir-receiver {
+		compatible = "gpio-ir-receiver";
+		gpios = <&gpio0 10 1>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&ir_recv_pin>;
+	};
+
+	vcc_otg: usb-otg-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio2 31 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&otg_vbus_drv>;
+		regulator-name = "otg-vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	vcc_sd0: sdmmc-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "sdmmc-supply";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio3 1 GPIO_ACTIVE_LOW>;
+		startup-delay-us = <100000>;
+		vin-supply = <&vcc_io>;
+	};
+
+	vcc_host: usb-host-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio0 3 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&host_vbus_drv>;
+		regulator-name = "host-pwr";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	vsys: vsys-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vsys";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-boot-on;
+	};
+};
+
+&dmc {
+	rockchip,pctl-timing = <0x12c 0xc8 0x1f4 0x1e 0x4e 0x4 0x69 0x6
+		0x3 0x0 0x6 0x5 0xc 0x10 0x6 0x4
+		0x4 0x5 0x4 0x200 0x3 0xa 0x40 0x0
+		0x1 0x5 0x5 0x3 0xc 0x1e 0x100 0x0
+		0x4 0x0>;
+	rockchip,phy-timing = <0x208c6690 0x690878 0x10022a00
+		0x220 0x40 0x0 0x0>;
+	rockchip,sdram-params = <0x24716310 0 2 300000000 3 9 0>;
+};
+
+&emac {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&emac_xfer>, <&emac_mdio>, <&phy_int>;
+
+	phy = <&phy0>;
+	phy-supply = <&vcc_rmii>;
+
+	phy0: ethernet-phy@0 {
+		reg = <0>;
+		interrupt-parent = <&gpio3>;
+		interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
+&cpu0 {
+	cpu0-supply = <&vdd_arm>;
+};
+
+&i2c1 {
+	status = "okay";
+	clock-frequency = <400000>;
+
+	rtc@51 {
+		compatible = "haoyu,hym8563";
+		reg = <0x51>;
+		interrupt-parent = <&gpio0>;
+		interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&rtc_int>;
+		#clock-cells = <0>;
+		clock-output-names = "xin32k";
+	};
+
+	act8846: act8846@5a {
+		compatible = "active-semi,act8846";
+		reg = <0x5a>;
+		status = "okay";
+		system-power-controller;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&act8846_dvs0_ctl>;
+
+		vp1-supply = <&vsys>;
+		vp2-supply = <&vsys>;
+		vp3-supply = <&vsys>;
+		vp4-supply = <&vsys>;
+		inl1-supply = <&vcc_io>;
+		inl2-supply = <&vsys>;
+		inl3-supply = <&vsys>;
+
+		regulators {
+			vcc_ddr: REG1 {
+				regulator-name = "VCC_DDR";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-always-on;
+			};
+
+			vdd_log: REG2 {
+				regulator-name = "VDD_LOG";
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <1000000>;
+				regulator-always-on;
+			};
+
+			vdd_arm: REG3 {
+				regulator-name = "VDD_ARM";
+				regulator-min-microvolt = <875000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-always-on;
+			};
+
+			vcc_io: REG4 {
+				regulator-name = "VCC_IO";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			vdd_10: REG5 {
+				regulator-name = "VDD_10";
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <1000000>;
+				regulator-always-on;
+			};
+
+			vdd_hdmi: REG6 {
+				regulator-name = "VDD_HDMI";
+				regulator-min-microvolt = <2500000>;
+				regulator-max-microvolt = <2500000>;
+				regulator-always-on;
+			};
+
+			vcc18: REG7 {
+				regulator-name = "VCC_18";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			vcca_33: REG8 {
+				regulator-name = "VCCA_33";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			vcc_rmii: REG9 {
+				regulator-name = "VCC_RMII";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			vccio_wl: REG10 {
+				regulator-name = "VCCIO_WL";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			vcc_18: REG11 {
+				regulator-name = "VCC18_IO";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			vcc28: REG12 {
+				regulator-name = "VCC_28";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-always-on;
+			};
+		};
+	};
+};
+
+&mmc0 {
+	num-slots = <1>;
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&sd0_clk>, <&sd0_cmd>, <&sd0_cd>, <&sd0_bus4>;
+	vmmc-supply = <&vcc_sd0>;
+
+	bus-width = <4>;
+	cap-mmc-highspeed;
+	cap-sd-highspeed;
+	disable-wp;
+};
+
+&pwm1 {
+	status = "okay";
+};
+
+&pwm2 {
+	status = "okay";
+};
+
+&pwm3 {
+	status = "okay";
+};
+
+&pinctrl {
+	pcfg_output_low: pcfg-output-low {
+		output-low;
+	};
+
+	act8846 {
+		act8846_dvs0_ctl: act8846-dvs0-ctl {
+			rockchip,pins = <RK_GPIO3 27 RK_FUNC_GPIO &pcfg_output_low>;
+		};
+	};
+
+	hym8563 {
+		rtc_int: rtc-int {
+			rockchip,pins = <RK_GPIO0 0 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
+	lan8720a  {
+		phy_int: phy-int {
+			rockchip,pins = <RK_GPIO3 26 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
+	ir-receiver {
+		ir_recv_pin: ir-recv-pin {
+			rockchip,pins = <RK_GPIO0 10 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	usb {
+		host_vbus_drv: host-vbus-drv {
+			rockchip,pins = <0 3 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+		otg_vbus_drv: otg-vbus-drv {
+			rockchip,pins = <2 31 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};
+
+&spdif {
+	status = "okay";
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+	u-boot,dm-spl;
+};
+
+&uart3 {
+	status = "okay";
+};
+
+&usbphy {
+	status = "okay";
+};
+
+&usb_host {
+	status = "okay";
+};
+
+&usb_otg {
+	status = "okay";
+};
+
+&wdt {
+	status = "okay";
+};