From: Eddie Cai <eddie.cai.li...@gmail.com>

Enable ISP and camera sensor ov2685 and ov5695 for Scarlet Chromebook

Verified with:
    make ARCH=arm64 dtbs_check

Signed-off-by: Shunqian Zheng <zhen...@rock-chips.com>
Signed-off-by: Eddie Cai <eddie.cai.li...@gmail.com>
Signed-off-by: Tomasz Figa <tf...@chromium.org>
Signed-off-by: Helen Koike <helen.ko...@collabora.com>
---

This patch is based on:
https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/527854

Changes in V3:
- This patch was first submitted stand alone at
https://lore.kernel.org/patchwork/patch/1223736/
I'm including in this patch series without changes
---
 .../boot/dts/rockchip/rk3399-gru-scarlet.dtsi | 74 +++++++++++++++++++
 1 file changed, 74 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi 
b/arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi
index 4373ed732af76..ae08205aa8e24 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi
@@ -296,6 +296,52 @@ camera: &i2c7 {
 
        /* 24M mclk is shared between world and user cameras */
        pinctrl-0 = <&i2c7_xfer &test_clkout1>;
+
+       /* Rear-facing camera */
+       wcam: camera@36 {
+               compatible = "ovti,ov5695";
+               reg = <0x36>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&wcam_rst>;
+
+               clocks = <&cru SCLK_TESTCLKOUT1>;
+               clock-names = "xvclk";
+
+               avdd-supply = <&pp2800_cam>;
+               dvdd-supply = <&pp1250_cam>;
+               dovdd-supply = <&pp1800_s0>;
+               reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>;
+
+               port {
+                       wcam_out: endpoint {
+                               remote-endpoint = <&mipi_in_wcam>;
+                               data-lanes = <1 2>;
+                       };
+               };
+       };
+
+       /* Front-facing camera */
+       ucam: camera@3c {
+               compatible = "ovti,ov2685";
+               reg = <0x3c>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&ucam_rst>;
+
+               clocks = <&cru SCLK_TESTCLKOUT1>;
+               clock-names = "xvclk";
+
+               avdd-supply = <&pp2800_cam>;
+               dovdd-supply = <&pp1800_s0>;
+               dvdd-supply = <&pp1800_s0>;
+               reset-gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
+
+               port {
+                       ucam_out: endpoint {
+                               remote-endpoint = <&mipi_in_ucam>;
+                               data-lanes = <1>;
+                       };
+               };
+       };
 };
 
 &cdn_dp {
@@ -353,10 +399,38 @@ &io_domains {
        gpio1830-supply = <&pp1800_s0>;         /* APIO4_VDD;  4c 4d */
 };
 
+&isp0 {
+       status = "okay";
+
+       ports {
+               port@0 {
+                       mipi_in_wcam: endpoint@0 {
+                               reg = <0>;
+                               remote-endpoint = <&wcam_out>;
+                               data-lanes = <1 2>;
+                       };
+
+                       mipi_in_ucam: endpoint@1 {
+                               reg = <1>;
+                               remote-endpoint = <&ucam_out>;
+                               data-lanes = <1>;
+                       };
+               };
+       };
+};
+
+&isp0_mmu {
+       status = "okay";
+};
+
 &max98357a {
        sdmode-gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
 };
 
+&mipi_dphy_rx0 {
+       status = "okay";
+};
+
 &mipi_dsi {
        status = "okay";
        clock-master;
-- 
2.28.0.rc1

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