linux-kernel - [PATCH v5 15/17] DONOTMERGE: arm64: meson: khadas-vim3l: add DSI panel

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Message-Id: <20230512-amlogic-v6-4-upstream-dsi-ccf-vim3-v5-15-56eb7a4d5b8e@linaro.org>
Date:   Tue, 30 May 2023 09:38:16 +0200
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Jerome Brunet <jbrunet@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Sam Ravnborg <sam@...nborg.org>
Cc:     "Lukas F. Hartmann" <lukas@...re.com>,
        Nicolas Belin <nbelin@...libre.com>,
        linux-amlogic@...ts.infradead.org, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-phy@...ts.infradead.org,
        Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH v5 15/17] DONOTMERGE: arm64: meson: khadas-vim3l: add DSI
 panel

This add nodes to support the Khadas TS050 panel on the
Khadas VIM3 & VIM3L boards.

Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
 .../boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi   |  2 +-
 arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi | 76 ++++++++++++++++++++++
 .../boot/dts/amlogic/meson-sm1-khadas-vim3l.dts    |  2 +-
 3 files changed, 78 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi
index 16dd409051b4..81c3057143b4 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi
@@ -98,7 +98,7 @@ &pwm_ab {
 };
 
 &pwm_AO_cd {
-	pinctrl-0 = <&pwm_ao_d_e_pins>;
+	pinctrl-0 = <&pwm_ao_c_6_pins>, <&pwm_ao_d_e_pins>;
 	pinctrl-names = "default";
 	clocks = <&xtal>;
 	clock-names = "clkin1";
diff --git a/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi b/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi
index c9705941e4ab..0c50a32bb0c0 100644
--- a/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi
@@ -40,6 +40,14 @@ button-function {
 		};
 	};
 
+	panel_backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm_AO_cd 0 25000 0>;
+		brightness-levels = <0 255>;
+		num-interpolated-steps = <255>;
+		default-brightness-level = <200>;
+	};
+
 	leds {
 		compatible = "gpio-leds";
 
@@ -359,6 +367,23 @@ rtc: rtc@51 {
 	};
 };
 
+&i2c3 {
+	status = "okay";
+	pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>;
+	pinctrl-names = "default";
+
+	touch-controller@38 {
+		compatible = "edt,edt-ft5206";
+		reg = <0x38>;
+		interrupt-parent = <&gpio_intc>;
+		interrupts = <66 IRQ_TYPE_EDGE_FALLING>; /* GPIOA_5 */
+		reset-gpio = <&gpio_expander 6 GPIO_ACTIVE_LOW>;
+		touchscreen-size-x = <1080>;
+		touchscreen-size-y = <1920>;
+		status = "okay";
+	};
+};
+
 &ir {
 	status = "okay";
 	pinctrl-0 = <&remote_input_ao_pins>;
@@ -366,6 +391,57 @@ &ir {
 	linux,rc-map-name = "rc-khadas";
 };
 
+&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 = <960000000>,
+			       <0>,
+			       <960000000>,
+			       <0>,
+			       <0>;
+
+	panel@0 {
+		compatible = "khadas,ts050";
+		reset-gpios = <&gpio_expander 0 GPIO_ACTIVE_LOW>;
+		enable-gpios = <&gpio_expander 1 GPIO_ACTIVE_HIGH>;
+		power-supply = <&vcc_3v3>;
+		backlight = <&panel_backlight>;
+		width-mm = <64>;
+		height-mm = <118>;
+		reg = <0>;
+
+		port {
+			mipi_in_panel: endpoint {
+				remote-endpoint = <&mipi_out_panel>;
+			};
+		};
+	};
+};
+
+&mipi_analog_dphy {
+	status = "okay";
+};
+
+&mipi_dphy {
+	status = "okay";
+};
+
+&mipi_dsi_panel_port {
+	mipi_out_panel: endpoint {
+		remote-endpoint = <&mipi_in_panel>;
+	};
+};
+
 &pcie {
 	reset-gpios = <&gpio GPIOA_8 GPIO_ACTIVE_LOW>;
 };
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts
index 9c0b544e2209..cb52a55ab70a 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts
@@ -76,7 +76,7 @@ &cpu3 {
 };
 
 &pwm_AO_cd {
-	pinctrl-0 = <&pwm_ao_d_e_pins>;
+	pinctrl-0 = <&pwm_ao_c_6_pins>, <&pwm_ao_d_e_pins>;
 	pinctrl-names = "default";
 	clocks = <&xtal>;
 	clock-names = "clkin1";

-- 
2.34.1