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Date: Fri, 7 Jan 2022 00:13:34 -0500
From: Peter Geis <pgwipeout@...il.com>
To: Rob Herring <robh+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>
Cc: Peter Geis <pgwipeout@...il.com>, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/4] arm64: dts: rockchip: add pine64 touch panel display to rockpro64
The Pine64 touch panel is a panel consisting of the Feiyang fy07024di26a30d
panel with a Goodix gt911 touch screen.
Add the device tree nodes to the rockpro64 to permit attaching this display to
the device.
Signed-off-by: Peter Geis <pgwipeout@...il.com>
---
.../boot/dts/rockchip/rk3399-rockpro64.dtsi | 80 ++++++++++++++++++-
1 file changed, 76 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
index 83db4ca67334..158befb9a48c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
@@ -20,6 +20,15 @@ chosen {
stdout-path = "serial2:1500000n8";
};
+ /* enable for panel backlight support */
+ backlight: backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm0 0 1000000 0>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <5>;
+ status = "disabled";
+ };
+
clkin_gmac: external-gmac-clock {
compatible = "fixed-clock";
clock-frequency = <125000000>;
@@ -220,6 +229,14 @@ vdd_log: vdd-log {
regulator-max-microvolt = <1700000>;
vin-supply = <&vcc5v0_sys>;
};
+
+ avdd: avdd {
+ compatible = "regulator-fixed";
+ regulator-name = "avdd";
+ regulator-min-microvolt = <11000000>;
+ regulator-max-microvolt = <11000000>;
+ vin-supply = <&vcc3v3_s0>;
+ };
};
&cpu_l0 {
@@ -301,6 +318,11 @@ &hdmi {
status = "okay";
};
+/* force hdmi to vopb */
+&hdmi_in_vopl {
+ status = "disabled";
+};
+
&hdmi_sound {
status = "okay";
};
@@ -400,8 +422,6 @@ regulator-state-mem {
vcc3v0_touch: LDO_REG2 {
regulator-name = "vcc3v0_touch";
- regulator-always-on;
- regulator-boot-on;
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-state-mem {
@@ -490,8 +510,6 @@ regulator-state-mem {
vcc3v3_s0: SWITCH_REG2 {
regulator-name = "vcc3v3_s0";
- regulator-always-on;
- regulator-boot-on;
regulator-state-mem {
regulator-off-in-suspend;
};
@@ -565,6 +583,19 @@ fusb0: typec-portc@22 {
vbus-supply = <&vcc5v0_typec>;
status = "okay";
};
+
+ /* enable for pine64 touch screen support */
+ touch: touchscreen@5d {
+ compatible = "goodix,gt911";
+ reg = <0x5d>;
+ AVDD28-supply = <&vcc3v0_touch>;
+ VDDIO-supply = <&vcc3v0_touch>;
+ interrupt-parent = <&gpio4>;
+ interrupts = <RK_PD5 IRQ_TYPE_EDGE_FALLING>;
+ irq-gpios = <&gpio4 RK_PD5 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&gpio4 RK_PD6 GPIO_ACTIVE_HIGH>;
+ status = "disabled";
+ };
};
&i2s0 {
@@ -600,6 +631,47 @@ &io_domains {
gpio1830-supply = <&vcc_3v0>;
};
+/* enable for pine64 panel display support */
+&mipi_dsi {
+ status = "disabled";
+ clock-master;
+
+ ports {
+ mipi_out: port@1 {
+ reg = <1>;
+
+ mipi_out_panel: endpoint {
+ remote-endpoint = <&mipi_in_panel>;
+ };
+ };
+ };
+
+ mipi_panel: panel@0 {
+ compatible = "feiyang,fy07024di26a30d";
+ reg = <0>;
+ avdd-supply = <&avdd>;
+ backlight = <&backlight>;
+ dvdd-supply = <&vcc3v3_s0>;
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ mipi_in_panel: endpoint {
+ remote-endpoint = <&mipi_out_panel>;
+ };
+ };
+ };
+ };
+};
+
+/* force dsi to vopl */
+&mipi_in_vopb {
+ status="disabled";
+};
+
&pcie0 {
ep-gpios = <&gpio2 RK_PD4 GPIO_ACTIVE_HIGH>;
num-lanes = <4>;
--
2.32.0
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