From: Ondrej Jirman <m...@xff.cz>

The phone's display is using Hannstar LCD panel, and Goodix based
touchscreen. Support it.

Signed-off-by: Ondrej Jirman <m...@xff.cz>
Co-developed-by: Martijn Braam <mart...@brixit.nl>
Signed-off-by: Martijn Braam <mart...@brixit.nl>
Co-developed-by: Kamil Trzciński <ayu...@ayufan.eu>
Signed-off-by: Kamil Trzciński <ayu...@ayufan.eu>
Signed-off-by: Javier Martinez Canillas <javi...@redhat.com>
Tested-by: Tom Fitzhenry <t...@tom-fitzhenry.me.uk>
---

Changes in v4:
- Add Tom Fitzhenry's Tested-by tag.
- Keep the DTS nodes sorted alphabetically (Tom Fitzhenry).

Changes in v2:
- Fix regulator node names (Maya Matuszczyk).
- Drop non-existent "poweroff-in-suspend" property (Maya Matuszczyk).
- Remove unnecessary comments in panel node (Maya Matuszczyk).

 .../dts/rockchip/rk3399-pinephone-pro.dts     | 123 ++++++++++++++++++
 1 file changed, 123 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts 
b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
index 04403a76238b..0d48fbc5dbe4 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
@@ -25,6 +25,12 @@ aliases {
                mmc2 = &sdhci;
        };
 
+       backlight: backlight {
+               compatible = "pwm-backlight";
+               pwms = <&pwm0 0 1000000 0>;
+               pwm-delay-us = <10000>;
+       };
+
        chosen {
                stdout-path = "serial2:115200n8";
        };
@@ -82,6 +88,32 @@ vcc1v8_codec: vcc1v8-codec-regulator {
                vin-supply = <&vcc3v3_sys>;
        };
 
+       /* MIPI DSI panel 1.8v supply */
+       vcc1v8_lcd: vcc1v8-lcd-regulator {
+               compatible = "regulator-fixed";
+               enable-active-high;
+               regulator-name = "vcc1v8_lcd";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               vin-supply = <&vcc3v3_sys>;
+               gpio = <&gpio3 RK_PA5 GPIO_ACTIVE_HIGH>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&display_pwren1>;
+       };
+
+       /* MIPI DSI panel 2.8v supply */
+       vcc2v8_lcd: vcc2v8-lcd-regulator {
+               compatible = "regulator-fixed";
+               enable-active-high;
+               regulator-name = "vcc2v8_lcd";
+               regulator-min-microvolt = <2800000>;
+               regulator-max-microvolt = <2800000>;
+               vin-supply = <&vcc3v3_sys>;
+               gpio = <&gpio3 RK_PA1 GPIO_ACTIVE_HIGH>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&display_pwren>;
+       };
+
        wifi_pwrseq: sdio-wifi-pwrseq {
                compatible = "mmc-pwrseq-simple";
                clocks = <&rk818 1>;
@@ -132,6 +164,11 @@ &emmc_phy {
        status = "okay";
 };
 
+&gpu {
+       mali-supply = <&vdd_gpu>;
+       status = "okay";
+};
+
 &i2c0 {
        clock-frequency = <400000>;
        i2c-scl-rising-time-ns = <168>;
@@ -214,6 +251,9 @@ vcc3v0_touch: LDO_REG2 {
                                regulator-name = "vcc3v0_touch";
                                regulator-min-microvolt = <3000000>;
                                regulator-max-microvolt = <3000000>;
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
                        };
 
                        vcca1v8_codec: LDO_REG3 {
@@ -347,6 +387,25 @@ opp07 {
        };
 };
 
+&i2c3 {
+       i2c-scl-rising-time-ns = <450>;
+       i2c-scl-falling-time-ns = <15>;
+       status = "okay";
+
+       touchscreen@14 {
+               compatible = "goodix,gt917s";
+               reg = <0x14>;
+               interrupt-parent = <&gpio3>;
+               interrupts = <RK_PB5 IRQ_TYPE_EDGE_RISING>;
+               irq-gpios = <&gpio3 RK_PB5 GPIO_ACTIVE_HIGH>;
+               reset-gpios = <&gpio3 RK_PB4 GPIO_ACTIVE_HIGH>;
+               AVDD28-supply = <&vcc3v0_touch>;
+               VDDIO-supply = <&vcc3v0_touch>;
+               touchscreen-size-x = <720>;
+               touchscreen-size-y = <1440>;
+       };
+};
+
 &io_domains {
        bt656-supply = <&vcc1v8_dvp>;
        audio-supply = <&vcca1v8_codec>;
@@ -355,6 +414,40 @@ &io_domains {
        status = "okay";
 };
 
+&mipi_dsi {
+       status = "okay";
+       clock-master;
+
+       ports {
+               mipi_out: port@1 {
+                       #address-cells = <0>;
+                       #size-cells = <0>;
+                       reg = <1>;
+
+                       mipi_out_panel: endpoint {
+                               remote-endpoint = <&mipi_in_panel>;
+                       };
+               };
+       };
+
+       panel@0 {
+               compatible = "hannstar,hsd060bhw4", "himax,hx8394";
+               reg = <0>;
+               backlight = <&backlight>;
+               reset-gpios = <&gpio4 RK_PD1 GPIO_ACTIVE_LOW>;
+               vcc-supply = <&vcc2v8_lcd>;
+               iovcc-supply = <&vcc1v8_lcd>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&display_rst_l>;
+
+               port {
+                       mipi_in_panel: endpoint {
+                               remote-endpoint = <&mipi_out_panel>;
+                       };
+               };
+       };
+};
+
 &pmu_io_domains {
        pmu1830-supply = <&vcc_1v8>;
        status = "okay";
@@ -367,6 +460,20 @@ pwrbtn_pin: pwrbtn-pin {
                };
        };
 
+       dsi {
+               display_rst_l: display-rst-l {
+                       rockchip,pins = <4 RK_PD1 RK_FUNC_GPIO &pcfg_pull_down>;
+               };
+
+               display_pwren: display-pwren {
+                       rockchip,pins = <3 RK_PA1 RK_FUNC_GPIO &pcfg_pull_down>;
+               };
+
+               display_pwren1: display-pwren1 {
+                       rockchip,pins = <3 RK_PA5 RK_FUNC_GPIO &pcfg_pull_down>;
+               };
+       };
+
        pmic {
                pmic_int_l: pmic-int-l {
                        rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
@@ -408,6 +515,10 @@ bt_reset_pin: bt-reset-pin {
        };
 };
 
+&pwm0 {
+       status = "okay";
+};
+
 &sdio0 {
        bus-width = <4>;
        cap-sd-highspeed;
@@ -472,3 +583,15 @@ bluetooth {
 &uart2 {
        status = "okay";
 };
+
+&vopb {
+       status = "okay";
+       assigned-clocks = <&cru DCLK_VOP0_DIV>, <&cru DCLK_VOP0>,
+                         <&cru ACLK_VOP0>, <&cru HCLK_VOP0>;
+       assigned-clock-rates = <0>, <0>, <400000000>, <100000000>;
+       assigned-clock-parents = <&cru PLL_CPLL>, <&cru DCLK_VOP0_FRAC>;
+};
+
+&vopb_mmu {
+       status = "okay";
+};
-- 
2.38.1

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