The voltages VCC3V3_LCD{0,1} can be enabled with the pins GPIO0_C7 and
GPIO0_C5, respectively. This patch modifies the device tree in order to
reflect this.
Signed-off-by: Michael Riesch <[email protected]>
---
.../boot/dts/rockchip/rk3568-evb1-v10.dts | 25 +++++++++++++++++--
1 file changed, 23 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
index 184e2aa2416a..197aaf7ee348 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
@@ -56,7 +56,13 @@ vcc5v0_sys: vcc5v0-sys {
vcc3v3_lcd0_n: vcc3v3-lcd0-n {
compatible = "regulator-fixed";
regulator-name = "vcc3v3_lcd0_n";
- regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ enable-active-high;
+ gpio = <&gpio0 RK_PC7 GPIO_ACTIVE_HIGH>;
+ vin-supply = <&vcc3v3_sys>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&vcc3v3_lcd0_n_en>;
regulator-state-mem {
regulator-off-in-suspend;
@@ -66,7 +72,13 @@ regulator-state-mem {
vcc3v3_lcd1_n: vcc3v3-lcd1-n {
compatible = "regulator-fixed";
regulator-name = "vcc3v3_lcd1_n";
- regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ enable-active-high;
+ gpio = <&gpio0 RK_PC5 GPIO_ACTIVE_HIGH>;
+ vin-supply = <&vcc3v3_sys>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&vcc3v3_lcd1_n_en>;
regulator-state-mem {
regulator-off-in-suspend;
@@ -339,6 +351,15 @@ rgmii_phy1: ethernet-phy@0 {
};
&pinctrl {
+ display {
+ vcc3v3_lcd0_n_en: vcc3v3_lcd0_n_en {
+ rockchip,pins = <0 RK_PC7 0 &pcfg_pull_none>;
+ };
+ vcc3v3_lcd1_n_en: vcc3v3_lcd1_n_en {
+ rockchip,pins = <0 RK_PC5 0 &pcfg_pull_none>;
+ };
+ };
+
pmic {
pmic_int: pmic_int {
rockchip,pins =
--
2.30.2
The Rockchip RK3568 EVB1 comes with a mounted touch display featuring
a Goodix GT1158 touch controller (according to the product ID register).
Signed-off-by: Michael Riesch <[email protected]>
---
.../boot/dts/rockchip/rk3568-evb1-v10.dts | 26 +++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
index 197aaf7ee348..d8c20a23e856 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
@@ -330,6 +330,23 @@ regulator-state-mem {
};
};
+&i2c1 {
+ status = "okay";
+
+ touchscreen0: goodix@14 {
+ compatible = "goodix,gt1151";
+ reg = <0x14>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <RK_PB5 IRQ_TYPE_EDGE_FALLING>;
+ AVDD28-supply = <&vcc3v3_lcd0_n>;
+ irq-gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&touch_int &touch_rst>;
+ reset-gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_HIGH>;
+ VDDIO-supply = <&vcc3v3_lcd0_n>;
+ };
+};
+
&mdio0 {
rgmii_phy0: ethernet-phy@0 {
compatible = "ethernet-phy-ieee802.3-c22";
@@ -366,6 +383,15 @@ pmic_int: pmic_int {
<0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
+
+ touchscreen {
+ touch_int: touch_int {
+ rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ touch_rst: touch_rst {
+ rockchip,pins = <0 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
};
&pmu_io_domains {
--
2.30.2
On Sat, 29 Jan 2022 17:24:39 +0100, Michael Riesch wrote:
> The voltages VCC3V3_LCD{0,1} can be enabled with the pins GPIO0_C7 and
> GPIO0_C5, respectively. This patch modifies the device tree in order to
> reflect this.
Applied, thanks!
[1/2] arm64: dts: rockchip: fix vcc3v3_lcd{0,1}_n regulators in rk3568-evb1-10
commit: 9ade1ab4d85f5fc31a5d6cf5147702ed5c1b5b10
[2/2] arm64: dts: rockchip: add the touchscreen controller to rk3568-evb1-v10
commit: 922237a6c211d9fe46b5dfb56307872cdced386d
Best regards,
--
Heiko Stuebner <[email protected]>