From 096ebfb74b19f2d4bdcbc33ae02e857ff4b3e0a0 Mon Sep 17 00:00:00 2001
From: Jagan Teki <jagan@amarulasolutions.com>
Date: Thu, 12 Jan 2023 16:29:02 +0530
Subject: [PATCH] arm64: dts: rockchip: Add Radxa Compute Module 3 IO board

Radxa Compute Module 3(CM3) IO board is an application board from Radxa
and is compatible with Raspberry Pi CM4 IO form factor.

Specification:
- 1x HDMI,
- 2x MIPI DSI
- 2x MIPI CSI2
- 1x eDP
- 1x PCIe card
- 2x SATA
- 2x USB 2.0 Host
- 1x USB 3.0
- 1x USB 2.0 OTG
- Phone jack
- microSD slot
- 40-pin GPIO expansion header
- 12V DC

Radxa CM3 needs to mount on top of this IO board in order to create
complete Radxa CM3 IO board platform.

Add support for Radxa CM3 IO Board.

Co-developed-by: FUKAUMI Naoki <naoki@radxa.com>
Signed-off-by: FUKAUMI Naoki <naoki@radxa.com>
Co-developed-by: Manoj Sai <abbaraju.manojsai@amarulasolutions.com>
Signed-off-by: Manoj Sai <abbaraju.manojsai@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Link: https://lore.kernel.org/r/20230112105902.192852-3-jagan@amarulasolutions.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
 arch/arm64/boot/dts/rockchip/Makefile         |   1 +
 .../boot/dts/rockchip/rk3566-radxa-cm3-io.dts | 179 ++++++++++++++++++
 2 files changed, 180 insertions(+)
 create mode 100644 arch/arm64/boot/dts/rockchip/rk3566-radxa-cm3-io.dts

--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -70,6 +70,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-pi
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-pinenote-v1.2.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-quartz64-a.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-quartz64-b.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-radxa-cm3-io.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-roc-pc.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-soquartz-cm4.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-bpi-r2-pro.dtb
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3566-radxa-cm3-io.dts
@@ -0,0 +1,179 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2022 Radxa Limited
+ * Copyright (c) 2022 Amarula Solutions(India)
+ */
+
+/dts-v1/;
+#include <dt-bindings/soc/rockchip,vop2.h>
+#include "rk3566.dtsi"
+#include "rk3566-radxa-cm3.dtsi"
+
+/ {
+	model = "Radxa Compute Module 3(CM3) IO Board";
+	compatible = "radxa,radxa-cm3-io", "radxa,radxa-cm3", "rockchip,rk3566";
+
+	aliases {
+		mmc1 = &sdmmc0;
+	};
+
+	chosen: chosen {
+		stdout-path = "serial2:1500000n8";
+	};
+
+	hdmi-con {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_con_in: endpoint {
+				remote-endpoint = <&hdmi_out_con>;
+			};
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led-1 {
+			gpios = <&gpio4 RK_PA4 GPIO_ACTIVE_LOW>;
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_ACTIVITY;
+			linux,default-trigger = "heartbeat";
+			pinctrl-names = "default";
+			pinctrl-0 = <&pi_nled_activity>;
+		};
+	};
+
+	vcc5v0_usb30: vcc5v0-usb30-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_usb30";
+		enable-active-high;
+		gpio = <&gpio3 RK_PC2 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vcc5v0_usb30_en_h>;
+		regulator-always-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc_sys>;
+	};
+
+	vcca1v8_image: vcca1v8-image-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcca1v8_image";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&vcc_1v8_p>;
+	};
+
+	vdda0v9_image: vdda0v9-image-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcca0v9_image";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <900000>;
+		regulator-max-microvolt = <900000>;
+		vin-supply = <&vdda_0v9>;
+	};
+};
+
+&combphy1 {
+	status = "okay";
+};
+
+&hdmi {
+	avdd-0v9-supply = <&vdda0v9_image>;
+	avdd-1v8-supply = <&vcca1v8_image>;
+	status = "okay";
+};
+
+&hdmi_in {
+	hdmi_in_vp0: endpoint {
+		remote-endpoint = <&vp0_out_hdmi>;
+	};
+};
+
+&hdmi_out {
+	hdmi_out_con: endpoint {
+		remote-endpoint = <&hdmi_con_in>;
+	};
+};
+
+&hdmi_sound {
+	status = "okay";
+};
+
+&pinctrl {
+	leds {
+		pi_nled_activity: pi-nled-activity {
+			rockchip,pins = <4 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	sdcard {
+		sdmmc_pwren: sdmmc-pwren {
+			rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	usb {
+		vcc5v0_usb30_en_h: vcc5v0-host-en-h {
+			rockchip,pins = <3 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};
+
+&sdmmc0 {
+	bus-width = <4>;
+	cap-mmc-highspeed;
+	cap-sd-highspeed;
+	disable-wp;
+	vqmmc-supply = <&vccio_sd>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd &sdmmc0_det &sdmmc0_pwren>;
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&usb2phy0_host {
+	phy-supply = <&vcc5v0_usb30>;
+	status = "okay";
+};
+
+&usb2phy1_host {
+	status = "okay";
+};
+
+&usb2phy1_otg {
+	status = "okay";
+};
+
+&usb_host0_ehci {
+	status = "okay";
+};
+
+&usb_host1_xhci {
+	status = "okay";
+};
+
+&vop {
+	assigned-clocks = <&cru DCLK_VOP0>, <&cru DCLK_VOP1>;
+	assigned-clock-parents = <&pmucru PLL_HPLL>, <&cru PLL_VPLL>;
+	status = "okay";
+};
+
+&vop_mmu {
+	status = "okay";
+};
+
+&vp0 {
+	vp0_out_hdmi: endpoint@ROCKCHIP_VOP2_EP_HDMI0 {
+		reg = <ROCKCHIP_VOP2_EP_HDMI0>;
+		remote-endpoint = <&hdmi_in_vp0>;
+	};
+};
