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From:   Chen-Yu Tsai <wenst@chromium.org>
To:     Matthias Brugger <matthias.bgg@gmail.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>
Cc:     Chen-Yu Tsai <wenst@chromium.org>, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 7/9] arm64: dts: mediatek: Introduce MT8186 Steelix
Date:   Fri,  1 Dec 2023 15:07:11 +0800
Message-ID: <20231201070719.1229447-8-wenst@chromium.org>
In-Reply-To: <20231201070719.1229447-1-wenst@chromium.org>
References: <20231201070719.1229447-1-wenst@chromium.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

The MT8186 Steelix, also known as the Lenovo 300e Yoga Chromebook Gen 4,
is a convertible device based on a common design of the same name. The
device comes in different variants. Of them, whether a world facing
camera is integrated is the only differentiating factor between the
two device trees added. The different SKU IDs describe this alone.

The other device difference is the touchpad component used. This is
simply handled by having both possible components described in the
device tree, and letting the implementation figure out which one is
actually available. The system bootloader / firmware does not
differentiate this in that they share the same SKU IDs.

Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
---
Changes since v1:
- Removed trackpad_pins reference (moved to i2c2 in corsola dtsi)
- Fixed copyright year
- Renamed touchpad to trackpad

 arch/arm64/boot/dts/mediatek/Makefile         |   2 +
 .../mt8186-corsola-steelix-sku131072.dts      |  18 ++
 .../mt8186-corsola-steelix-sku131073.dts      |  18 ++
 .../dts/mediatek/mt8186-corsola-steelix.dtsi  | 195 ++++++++++++++++++
 4 files changed, 233 insertions(+)
 create mode 100644 arch/arm64/boot/dts/mediatek/mt8186-corsola-steelix-sku131072.dts
 create mode 100644 arch/arm64/boot/dts/mediatek/mt8186-corsola-steelix-sku131073.dts
 create mode 100644 arch/arm64/boot/dts/mediatek/mt8186-corsola-steelix.dtsi

diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
index 442af61b1305..7bd9471b89f9 100644
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -43,6 +43,8 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-kukui-kodama-sku32.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-kukui-krane-sku0.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-kukui-krane-sku176.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-pumpkin.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-corsola-steelix-sku131072.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-corsola-steelix-sku131073.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-corsola-tentacool-sku327681.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-corsola-tentacool-sku327683.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-corsola-tentacruel-sku262144.dtb
diff --git a/arch/arm64/boot/dts/mediatek/mt8186-corsola-steelix-sku131072.dts b/arch/arm64/boot/dts/mediatek/mt8186-corsola-steelix-sku131072.dts
new file mode 100644
index 000000000000..eae17bca8585
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt8186-corsola-steelix-sku131072.dts
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright 2022 Google LLC
+ */
+
+/dts-v1/;
+#include "mt8186-corsola-steelix.dtsi"
+
+/ {
+	model = "Google Steelix board";
+	compatible = "google,steelix-sku131072", "google,steelix",
+		     "mediatek,mt8186";
+	chassis-type = "convertible";
+};
+
+&mt6366codec {
+	mediatek,dmic-mode = <0>; /* two-wire */
+};
diff --git a/arch/arm64/boot/dts/mediatek/mt8186-corsola-steelix-sku131073.dts b/arch/arm64/boot/dts/mediatek/mt8186-corsola-steelix-sku131073.dts
new file mode 100644
index 000000000000..a55375b95d0d
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt8186-corsola-steelix-sku131073.dts
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright 2022 Google LLC
+ */
+
+/dts-v1/;
+#include "mt8186-corsola-steelix.dtsi"
+
+/ {
+	model = "Google Steelix board";
+	compatible = "google,steelix-sku131073", "google,steelix",
+		     "mediatek,mt8186";
+	chassis-type = "convertible";
+};
+
+&mt6366codec {
+	mediatek,dmic-mode = <1>; /* one-wire */
+};
diff --git a/arch/arm64/boot/dts/mediatek/mt8186-corsola-steelix.dtsi b/arch/arm64/boot/dts/mediatek/mt8186-corsola-steelix.dtsi
new file mode 100644
index 000000000000..47262bc499ad
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt8186-corsola-steelix.dtsi
@@ -0,0 +1,195 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright 2022 Google LLC
+ */
+
+/dts-v1/;
+#include "mt8186-corsola.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/{
+	pp1000_edpbrdg: regulator-pp1000-edpbrdg {
+		compatible = "regulator-fixed";
+		regulator-name = "pp1000_edpbrdg";
+		pinctrl-names = "default";
+		pinctrl-0 = <&en_pp1000_edpbrdg>;
+		enable-active-high;
+		regulator-boot-on;
+		gpio = <&pio 29 GPIO_ACTIVE_HIGH>;
+		vin-supply = <&pp3300_z2>;
+	};
+
+	pp1800_edpbrdg_dx: regulator-pp1800-edpbrdg-dx {
+		compatible = "regulator-fixed";
+		regulator-name = "pp1800_edpbrdg_dx";
+		pinctrl-names = "default";
+		pinctrl-0 = <&en_pp1800_edpbrdg>;
+		enable-active-high;
+		regulator-boot-on;
+		gpio = <&pio 30 GPIO_ACTIVE_HIGH>;
+		vin-supply = <&mt6366_vio18_reg>;
+	};
+
+	pp3300_edp_dx: regulator-pp3300-edp-dx {
+		compatible = "regulator-fixed";
+		regulator-name = "pp3300_edp_dx";
+		pinctrl-names = "default";
+		pinctrl-0 = <&en_pp3300_edpbrdg>;
+		enable-active-high;
+		regulator-boot-on;
+		gpio = <&pio 31 GPIO_ACTIVE_HIGH>;
+		vin-supply = <&pp3300_z2>;
+	};
+};
+
+&dsi_out {
+	remote-endpoint = <&anx7625_in>;
+};
+
+&i2c0 {
+	clock-frequency = <400000>;
+
+	anx_bridge: anx7625@58 {
+		compatible = "analogix,anx7625";
+		reg = <0x58>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&anx7625_pins>;
+		enable-gpios = <&pio 96 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&pio 98 GPIO_ACTIVE_HIGH>;
+		vdd10-supply = <&pp1000_edpbrdg>;
+		vdd18-supply = <&pp1800_edpbrdg_dx>;
+		vdd33-supply = <&pp3300_edp_dx>;
+		analogix,lane0-swing = /bits/ 8 <0x70 0x30>;
+		analogix,lane1-swing = /bits/ 8 <0x70 0x30>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				anx7625_in: endpoint {
+					remote-endpoint = <&dsi_out>;
+					data-lanes = <0 1 2 3>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				anx7625_out: endpoint {
+					remote-endpoint = <&panel_in>;
+				};
+			};
+		};
+
+		aux-bus {
+			panel: panel {
+				compatible = "edp-panel";
+				power-supply = <&pp3300_disp_x>;
+				backlight = <&backlight_lcd0>;
+
+				port {
+					panel_in: endpoint {
+						remote-endpoint = <&anx7625_out>;
+					};
+				};
+			};
+		};
+	};
+};
+
+&i2c1 {
+	touchscreen: touchscreen@5d {
+		compatible = "goodix,gt7375p";
+		reg = <0x5d>;
+		interrupts-extended = <&pio 12 IRQ_TYPE_EDGE_FALLING>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&touchscreen_pins>;
+		reset-gpios = <&pio 60 GPIO_ACTIVE_LOW>;
+		vdd-supply = <&pp3300_s3>;
+		goodix,no-reset-during-suspend;
+	};
+};
+
+&i2c2 {
+	i2c-scl-internal-delay-ns = <22000>;
+
+	/* second source component */
+	trackpad@2c {
+		compatible = "hid-over-i2c";
+		reg = <0x2c>;
+		hid-descr-addr = <0x20>;
+		interrupts-extended = <&pio 11 IRQ_TYPE_LEVEL_LOW>;
+		vdd-supply = <&pp3300_s3>;
+		wakeup-source;
+	};
+};
+
+&keyboard_controller {
+	function-row-physmap = <
+		MATRIX_KEY(0x00, 0x02, 0)	/* T1 */
+		MATRIX_KEY(0x03, 0x02, 0)	/* T2 */
+		MATRIX_KEY(0x02, 0x02, 0)	/* T3 */
+		MATRIX_KEY(0x01, 0x02, 0)	/* T4 */
+		MATRIX_KEY(0x03, 0x04, 0)	/* T5 */
+		MATRIX_KEY(0x02, 0x04, 0)	/* T6 */
+		MATRIX_KEY(0x01, 0x04, 0)	/* T7 */
+		MATRIX_KEY(0x02, 0x09, 0)	/* T8 */
+		MATRIX_KEY(0x01, 0x09, 0)	/* T9 */
+		MATRIX_KEY(0x00, 0x04, 0)	/* T10 */
+	>;
+
+	linux,keymap = <
+		MATRIX_KEY(0x00, 0x02, KEY_BACK)
+		MATRIX_KEY(0x03, 0x02, KEY_REFRESH)
+		MATRIX_KEY(0x02, 0x02, KEY_ZOOM)
+		MATRIX_KEY(0x01, 0x02, KEY_SCALE)
+		MATRIX_KEY(0x03, 0x04, KEY_BRIGHTNESSDOWN)
+		MATRIX_KEY(0x02, 0x04, KEY_BRIGHTNESSUP)
+		MATRIX_KEY(0x01, 0x04, KEY_MICMUTE)
+		MATRIX_KEY(0x02, 0x09, KEY_MUTE)
+		MATRIX_KEY(0x01, 0x09, KEY_VOLUMEDOWN)
+		MATRIX_KEY(0x00, 0x04, KEY_VOLUMEUP)
+		CROS_STD_MAIN_KEYMAP
+	>;
+};
+
+&pio {
+	anx7625_pins: anx7625-pins {
+		pins1 {
+			pinmux = <PINMUX_GPIO96__FUNC_GPIO96>,
+				 <PINMUX_GPIO98__FUNC_GPIO98>;
+			output-low;
+		};
+
+		pins2 {
+			pinmux = <PINMUX_GPIO9__FUNC_GPIO9>;
+			input-enable;
+			bias-disable;
+		};
+	};
+
+	en_pp1000_edpbrdg: pp1000-edpbrdg-en-pins {
+		pins {
+			pinmux = <PINMUX_GPIO29__FUNC_GPIO29>;
+			output-low;
+		};
+	};
+
+	en_pp1800_edpbrdg: pp1800-edpbrdg-en-pins {
+		pins {
+			pinmux = <PINMUX_GPIO30__FUNC_GPIO30>;
+			output-low;
+		};
+	};
+
+	en_pp3300_edpbrdg: pp3300-edpbrdg-en-pins {
+		pins {
+			pinmux = <PINMUX_GPIO31__FUNC_GPIO31>;
+			output-low;
+		};
+	};
+};
-- 
2.43.0.rc2.451.g8631bc7472-goog