arm64: dts: amlogic: meson-g12b-bananapi-cm4: add support for MNT Reform2 with CM4 adaper

This adds a basic devicetree for the MNT Reform2 DIY laptop when using a
CM4 adapter and a BPI-CM4 module.

Co-developed-by: Lukas F. Hartmann <[email protected]>
Link: https://lore.kernel.org/r/20240403-amlogic-v6-4-upstream-dsi-ccf-vim3-v12-7-99ecdfdc87fc@linaro.org
Signed-off-by: Neil Armstrong <[email protected]>

Author: superna9999

arch/arm64/boot/dts/amlogic/Makefile

@@ -18,6 +18,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-g12b-a311d-bananapi-m2s.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12b-a311d-khadas-vim3.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12b-a311d-khadas-vim3-ts050.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12b-bananapi-cm4-cm4io.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-g12b-bananapi-cm4-mnt-reform2.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12b-gsking-x.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12b-gtking-pro.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12b-gtking.dtb

arch/arm64/boot/dts/amlogic/meson-g12b-bananapi-cm4-mnt-reform2.dts

@@ -0,0 +1,384 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2023 Neil Armstrong <[email protected]>
+ * Copyright 2023 MNT Research GmbH
+ */
+
+/dts-v1/;
+
+#include "meson-g12b-bananapi-cm4.dtsi"
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/sound/meson-g12a-tohdmitx.h>
+
+/ {
+	model = "MNT Reform 2 with BPI-CM4 Module";
+	compatible = "mntre,reform2-cm4", "bananapi,bpi-cm4", "amlogic,a311d", "amlogic,g12b";
+	chassis-type = "laptop";
+
+	aliases {
+		ethernet0 = &ethmac;
+		i2c0 = &i2c1;
+		i2c1 = &i2c3;
+	};
+
+	hdmi_connector: hdmi-connector {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_connector_in: endpoint {
+				remote-endpoint = <&hdmi_tx_tmds_out>;
+			};
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led-blue {
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_STATUS;
+			gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "heartbeat";
+		};
+
+		led-green {
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_STATUS;
+			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	sound {
+		compatible = "amlogic,axg-sound-card";
+		model = "MNT-REFORM2-BPI-CM4";
+		audio-widgets = "Headphone", "Headphone Jack",
+				"Speaker", "External Speaker",
+				"Microphone", "Mic Jack";
+		audio-aux-devs = <&tdmout_a>, <&tdmout_b>, <&tdmin_b>;
+		audio-routing =	"TDMOUT_A IN 0", "FRDDR_A OUT 0",
+				"TDMOUT_A IN 1", "FRDDR_B OUT 0",
+				"TDMOUT_A IN 2", "FRDDR_C OUT 0",
+				"TDM_A Playback", "TDMOUT_A OUT",
+				"TDMOUT_B IN 0", "FRDDR_A OUT 1",
+				"TDMOUT_B IN 1", "FRDDR_B OUT 1",
+				"TDMOUT_B IN 2", "FRDDR_C OUT 1",
+				"TDM_B Playback", "TDMOUT_B OUT",
+				"TDMIN_B IN 1", "TDM_B Capture",
+				"TDMIN_B IN 4", "TDM_B Loopback",
+				"TODDR_A IN 1", "TDMIN_B OUT",
+				"TODDR_B IN 1", "TDMIN_B OUT",
+				"TODDR_C IN 1", "TDMIN_B OUT",
+				"Headphone Jack", "HP_L",
+				"Headphone Jack", "HP_R",
+				"External Speaker", "SPK_LP",
+				"External Speaker", "SPK_LN",
+				"External Speaker", "SPK_RP",
+				"External Speaker", "SPK_RN",
+				"LINPUT1", "Mic Jack",
+				"Mic Jack", "MICB";
+
+		assigned-clocks = <&clkc CLKID_MPLL2>,
+					<&clkc CLKID_MPLL0>,
+					<&clkc CLKID_MPLL1>;
+		assigned-clock-parents = <0>, <0>, <0>;
+		assigned-clock-rates = <294912000>,
+				       <270950400>,
+				       <393216000>;
+
+		dai-link-0 {
+			sound-dai = <&frddr_a>;
+		};
+
+		dai-link-1 {
+			sound-dai = <&frddr_b>;
+		};
+
+		dai-link-2 {
+			sound-dai = <&frddr_c>;
+		};
+
+		dai-link-3 {
+			sound-dai = <&toddr_a>;
+		};
+
+		dai-link-4 {
+			sound-dai = <&toddr_b>;
+		};
+
+		dai-link-5 {
+			sound-dai = <&toddr_c>;
+		};
+
+		/* 8ch hdmi interface */
+		dai-link-6 {
+			sound-dai = <&tdmif_a>;
+			dai-format = "i2s";
+			dai-tdm-slot-tx-mask-0 = <1 1>;
+			dai-tdm-slot-tx-mask-1 = <1 1>;
+			dai-tdm-slot-tx-mask-2 = <1 1>;
+			dai-tdm-slot-tx-mask-3 = <1 1>;
+			mclk-fs = <256>;
+
+			codec {
+				sound-dai = <&tohdmitx TOHDMITX_I2S_IN_A>;
+			};
+		};
+
+		/* Analog Audio */
+		dai-link-7 {
+			sound-dai = <&tdmif_b>;
+			dai-format = "i2s";
+			dai-tdm-slot-tx-mask-0 = <1 1>;
+			mclk-fs = <256>;
+
+			codec {
+				sound-dai = <&wm8960>;
+			};
+		};
+
+		/* hdmi glue */
+		dai-link-8 {
+			sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
+
+			codec {
+				sound-dai = <&hdmi_tx>;
+			};
+		};
+	};
+
+	reg_main_1v8: regulator-main-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "1V8";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&reg_main_3v3>;
+	};
+
+	reg_main_1v2: regulator-main-1v2 {
+		compatible = "regulator-fixed";
+		regulator-name = "1V2";
+		regulator-min-microvolt = <1200000>;
+		regulator-max-microvolt = <1200000>;
+		vin-supply = <&reg_main_5v>;
+	};
+
+	reg_main_3v3: regulator-main-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	reg_main_5v: regulator-main-5v {
+		compatible = "regulator-fixed";
+		regulator-name = "5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
+	reg_main_usb: regulator-main-usb {
+		compatible = "regulator-fixed";
+		regulator-name = "USB_PWR";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&reg_main_5v>;
+	};
+
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm_AO_ab 0 10000 0>;
+		power-supply = <&reg_main_usb>;
+		enable-gpios = <&gpio 58 GPIO_ACTIVE_HIGH>;
+		brightness-levels = <0 32 64 128 160 200 255>;
+		default-brightness-level = <6>;
+	};
+
+	panel {
+		compatible = "innolux,n125hce-gn1";
+		power-supply = <&reg_main_3v3>;
+		backlight = <&backlight>;
+		no-hpd;
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&edp_bridge_out>;
+			};
+		};
+	};
+
+	clock_12288: clock_12288 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <12288000>;
+	};
+};
+
+&mipi_analog_dphy {
+	status = "okay";
+};
+
+&mipi_dphy {
+	status = "okay";
+};
+
+&mipi_dsi {
+	status = "okay";
+
+	assigned-clocks = <&clkc CLKID_GP0_PLL>,
+			  <&clkc CLKID_MIPI_DSI_PXCLK_SEL>,
+			  <&clkc CLKID_MIPI_DSI_PXCLK>,
+			  <&clkc CLKID_CTS_ENCL_SEL>,
+			  <&clkc CLKID_VCLK2_SEL>;
+	assigned-clock-parents = <0>,
+				 <&clkc CLKID_GP0_PLL>,
+				 <0>,
+				 <&clkc CLKID_VCLK2_DIV1>,
+				 <&clkc CLKID_GP0_PLL>;
+	assigned-clock-rates = <936000000>,
+			       <0>,
+			       <936000000>,
+			       <0>,
+			       <0>;
+};
+
+&mipi_dsi_panel_port {
+	mipi_dsi_out: endpoint {
+		remote-endpoint = <&edp_bridge_in>;
+	};
+};
+
+&cecb_AO {
+	status = "okay";
+};
+
+&ethmac {
+	status = "okay";
+};
+
+&hdmi_tx {
+	status = "okay";
+};
+
+&hdmi_tx_tmds_port {
+	hdmi_tx_tmds_out: endpoint {
+		remote-endpoint = <&hdmi_connector_in>;
+	};
+};
+
+&pwm_AO_ab {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pwm_ao_a_pins>;
+	status = "okay";
+};
+
+&i2c0 {
+	status = "okay";
+};
+
+&i2c3 {
+	status = "okay";
+
+	edp_bridge: bridge@2c {
+		compatible = "ti,sn65dsi86";
+		reg = <0x2c>;
+		enable-gpios = <&gpio GPIOX_10 GPIO_ACTIVE_HIGH>; // PIN_24 / GPIO8
+		vccio-supply = <&reg_main_1v8>;
+		vpll-supply = <&reg_main_1v8>;
+		vcca-supply = <&reg_main_1v2>;
+		vcc-supply = <&reg_main_1v2>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				edp_bridge_in: endpoint {
+					remote-endpoint = <&mipi_dsi_out>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				edp_bridge_out: endpoint {
+					remote-endpoint = <&panel_in>;
+				};
+			};
+		};
+	};
+};
+
+&i2c2 {
+	status = "okay";
+
+	wm8960: codec@1a {
+		compatible = "wlf,wm8960";
+		reg = <0x1a>;
+		clocks = <&clock_12288>;
+		clock-names = "mclk";
+		#sound-dai-cells = <0>;
+		wlf,shared-lrclk;
+	};
+
+	rtc@68 {
+		compatible = "nxp,pcf8523";
+		reg = <0x68>;
+	};
+};
+
+&pcie {
+	status = "okay";
+};
+
+&sd_emmc_b {
+	status = "okay";
+};
+
+&tdmif_a {
+	status = "okay";
+};
+
+&tdmout_a {
+	status = "okay";
+};
+
+&tdmif_b {
+	pinctrl-0 = <&tdm_b_dout0_pins>, <&tdm_b_fs_pins>, <&tdm_b_sclk_pins>, <&tdm_b_din1_pins>;
+	pinctrl-names = "default";
+
+	assigned-clocks = <&clkc_audio AUD_CLKID_TDM_SCLK_PAD1>,
+			  <&clkc_audio AUD_CLKID_TDM_LRCLK_PAD1>;
+	assigned-clock-parents = <&clkc_audio AUD_CLKID_MST_B_SCLK>,
+				 <&clkc_audio AUD_CLKID_MST_B_LRCLK>;
+	assigned-clock-rates = <0>, <0>;
+};
+
+&tdmin_b {
+	status = "okay";
+};
+
+&toddr_a {
+	status = "okay";
+};
+
+&toddr_b {
+	status = "okay";
+};
+
+&toddr_c {
+	status = "okay";
+};
+
+&tohdmitx {
+	status = "okay";
+};
+
+&usb {
+	dr_mode = "host";
+
+	status = "okay";
+};