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Date: Tue, 17 Dec 2019 13:30:02 +0530
From: Akash Gajjar <akash@...nedev.com>
To: heiko@...ech.de
Cc: jagan@...nedev.com, tom@...xa.com, kever.yang@...k-chips.com,
Akash Gajjar <akash@...nedev.com>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Douglas Anderson <dianders@...omium.org>,
Andy Yan <andy.yan@...k-chips.com>,
Robin Murphy <robin.murphy@....com>,
Matthias Kaehlcke <mka@...omium.org>,
Markus Reichl <m.reichl@...etechno.de>,
Vivek Unune <npcomplete13@...il.com>,
Tomeu Vizoso <tomeu.vizoso@...labora.com>,
Nick Xie <nick@...das.com>, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [V2 1/1 PATCH] arm64: dts: rockchip: add ROCK Pi S DTS support
ROCK Pi S is RK3308 based SBC from radxa.com. ROCK Pi S has a,
- 256MB/512MB DDR3 RAM
- SD, NAND flash (optional on board 1/2/4/8Gb)
- 100MB ethernet, PoE (optional)
- Onboard 802.11 b/g/n wifi + Bluetooth 4.0 Module
- USB2.0 Type-A HOST x1
- USB3.0 Type-C OTG x1
- 26-pin expansion header
- USB Type-C DC 5V Power Supply
This patch enables
- Console
- NAND Flash
- SD Card
- USB2.0
Signed-off-by: Akash Gajjar <akash@...nedev.com>
---
Changes for v2
- Use pwm-supply for vdd_core node instead of vi-supply
- Add USB2.0 node support
.../devicetree/bindings/arm/rockchip.yaml | 5 +
arch/arm64/boot/dts/rockchip/Makefile | 1 +
.../boot/dts/rockchip/rk3308-rock-pi-S.dts | 237 ++++++++++++++++++
3 files changed, 243 insertions(+)
create mode 100644 arch/arm64/boot/dts/rockchip/rk3308-rock-pi-S.dts
diff --git a/Documentation/devicetree/bindings/arm/rockchip.yaml b/Documentation/devicetree/bindings/arm/rockchip.yaml
index d9847b306b83..48d40c928d45 100644
--- a/Documentation/devicetree/bindings/arm/rockchip.yaml
+++ b/Documentation/devicetree/bindings/arm/rockchip.yaml
@@ -422,6 +422,11 @@ properties:
- const: radxa,rockpi4
- const: rockchip,rk3399
+ - description: Radxa ROCK Pi S
+ items:
+ - const: radxa,rockpis
+ - const: rockchip,rk3308
+
- description: Radxa Rock2 Square
items:
- const: radxa,rock2-square
diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index 48fb631d5451..cc9e8c824980 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -2,6 +2,7 @@
dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-evb.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3308-evb.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3308-roc-cc.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3308-rock-pi-S.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-a1.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-evb.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-rock64.dtb
diff --git a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-S.dts b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-S.dts
new file mode 100644
index 000000000000..0afb24ec1cdf
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-S.dts
@@ -0,0 +1,237 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 Akash Gajjar <akash@...nedev.com>
+ * Copyright (c) 2019 Jagan Teki <jagan@...nedev.com>
+ */
+
+/dts-v1/;
+#include "rk3308.dtsi"
+
+/ {
+ model = "Radxa ROCK Pi S";
+ compatible = "radxa,rockpis", "rockchip,rk3308";
+
+ chosen {
+ stdout-path = "serial0:1500000n8";
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+ pinctrl-0 = <&green_led_gio>, <&heartbeat_led_gpio>;
+
+ green-led {
+ label = "rockpis:green:power";
+ gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "default-on";
+ default-state = "on";
+ };
+
+ blue-led {
+ label = "rockpis:blue:user";
+ gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+ sdio_pwrseq: sdio-pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wifi_enable_h>;
+ reset-gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_LOW>;
+ };
+
+ vcc5v0_sys: vcc5v0-sys {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc5v0_sys";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ };
+
+ vdd_core: vdd-core {
+ compatible = "pwm-regulator";
+ pwms = <&pwm0 0 5000 1>;
+ regulator-name = "vdd_core";
+ regulator-min-microvolt = <827000>;
+ regulator-max-microvolt = <1340000>;
+ regulator-init-microvolt = <1015000>;
+ regulator-settling-time-up-us = <250>;
+ regulator-always-on;
+ regulator-boot-on;
+ pwm-supply = <&vcc5v0_sys>
+ };
+
+ vdd_log: vdd-log {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_log";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1050000>;
+ regulator-max-microvolt = <1050000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ vcc_ddr: vcc-ddr {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_ddr";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ vcc_1v8: vcc-1v8 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_1v8";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ vin-supply = <&vcc_io>;
+ };
+
+ vcc_io: vcc-io {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_io";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ vcc5v0_otg: vcc5v0-otg {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc5v0_otg";
+ regulator-always-on;
+ gpio = <&gpio0 RK_PC5 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ pinctrl-names = "default";
+ pinctrl-0 = <&otg_vbus_drv>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+};
+
+&cpu0 {
+ cpu-supply = <&vdd_core>;
+};
+
+&emmc {
+ bus-width = <4>;
+ cap-mmc-highspeed;
+ mmc-hs200-1_8v;
+ supports-sd;
+ disable-wp;
+ non-removable;
+ num-slots = <1>;
+ vin-supply = <&vcc_io>;
+ status = "okay";
+};
+
+&i2c1 {
+ status = "okay";
+};
+
+&sdmmc {
+ bus-width = <4>;
+ cap-mmc-highspeed;
+ cap-sd-highspeed;
+ max-frequeency = <150000000>;
+ supports-sd;
+ disable-wp;
+ num-slots = <1>;
+ pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_det &sdmmc_bus4>;
+ card-detect-delay = <800>;
+ status = "okay";
+};
+
+&spi2 {
+ status = "okay";
+ max-freq = <10000000>;
+};
+
+&pinctrl {
+ pinctrl-names = "default";
+ pinctrl-0 = <&rtc_32k>;
+
+ leds {
+ green_led_gio: green-led-gpio {
+ rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ heartbeat_led_gpio: heartbeat-led-gpio {
+ rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ usb {
+ otg_vbus_drv: otg-vbus-drv {
+ rockchip,pins = <0 RK_PC5 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ sdio-pwrseq {
+ wifi_enable_h: wifi-enable-h {
+ rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ wifi_host_wake: wifi-host-wake {
+ rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_down>;
+ };
+ };
+};
+
+&pwm0 {
+ status = "okay";
+ pinctrl-0 = <&pwm0_pin_pull_down>;
+};
+
+&saradc {
+ vref-supply = <&vcc_1v8>;
+ status = "okay";
+};
+
+&sdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ bus-width = <4>;
+ max-frequency = <1000000>;
+ cap-sd-highspeed;
+ cap-sdio-irq;
+ supports-sdio;
+ keep-power-in-suspend;
+ mmc-pwrseq = <&sdio_pwrseq>;
+ non-removable;
+ sd-uhs-sdr104;
+ status = "okay";
+};
+
+&u2phy {
+ status = "okay";
+
+ u2phy_host: host-port {
+ status = "okay";
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart4_xfer &uart4_rts &uart4_cts>;
+ status = "okay";
+};
+
+&usb_host_ehci {
+ status = "okay";
+};
+
+&usb_host_ohci {
+ status = "okay";
+};
--
2.17.1
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