On 13 October 2017 at 15:25, Heiko Stuebner [off-list ref] wrote:

Am Freitag, 13. Oktober 2017, 18:41:38 CEST schrieb Jeffy Chen:

quoted

Add edp panel and enable related nodes on kevin.

Signed-off-by: Jeffy Chen <redacted>

does this actually work with mainline kernel sources?

Sean Paul did look at making the edp work on Chromebooks recently,
but it seemed there were still parts missing to make it actually display
something.

That's funny. I've been using your own similar patch on my Chromebook
Plus for a while now and it works "fine":
https://github.com/esmil/linux/commits/kevin

..where fine means I can't get the armsoc X11 driver to work, but
modesetting works and screenblank seems to freeze the kernel.

I'll test this version of the dts changes as soon as I'm near my
chrombook again.

/Emil

quoted

---

 arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts | 29 +++++++++++++++++++++++
 arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi      | 16 +++++++++++++
 2 files changed, 45 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts b/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts
index a3d3cea7dc4f..bc67b19f0af5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts

@@ -93,6 +93,18 @@
              pwm-delay-us = <10000>;
      };

+     edp_panel: edp-panel {
+             compatible = "sharp,lq123p1jx31", "simple-panel";
+             backlight = <&backlight>;
+             power-supply = <&pp3300_disp>;
+
+             ports {
+                     panel_in_edp: endpoint {
+                             remote-endpoint = <&edp_out_panel>;
+                     };
+             };
+     };
+
      thermistor_ppvar_bigcpu: thermistor-ppvar-bigcpu {
              compatible = "murata,ncp15wb473";
              pullup-uv = <1800000>;

@@ -264,6 +276,23 @@ ap_i2c_dig: &i2c2 {
      };
 };

+&edp {
+     status = "okay";
+
+     ports {
+             edp_out: port@1 {
+                     reg = <1>;
+                     #address-cells = <1>;
+                     #size-cells = <0>;
+
+                     edp_out_panel: endpoint@0 {
+                             reg = <0>;
+                             remote-endpoint = <&panel_in_edp>;
+                     };
+             };
+     };
+};
+
 &ppvar_bigcpu_pwm {
      regulator-min-microvolt = <798674>;
      regulator-max-microvolt = <1302172>;

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
index 5772c52fbfd3..470105d651c2 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi

@@ -927,6 +927,22 @@ ap_i2c_audio: &i2c8 {
      dr_mode = "host";
 };

+&vopb {
+     status = "okay";
+};
+
+&vopb_mmu {
+     status = "okay";
+};
+
+&vopl {
+     status = "okay";
+};
+
+&vopl_mmu {
+     status = "okay";
+};
+
 #include <arm/cros-ec-keyboard.dtsi>
 #include <arm/cros-ec-sbs.dtsi>

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