ARM: dts: Add rear camera nodes for exynos4412-trats2

This patch enables the rear facing camera (s5c73m3) on TRATS2 board
by adding the I2C0 bus controller, s5c73m3 sensor, MIPI CSI-2 receiver
and the sensor's voltage regulator supply nodes.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 69 insertions, 3 deletions

diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
index cf0e11037729..f621fd976815 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -80,7 +80,24 @@
                         enable-active-high;
                 };
 
-                /* More to come */
+                cam_af_reg: voltage-regulator-3 {
+                        compatible = "regulator-fixed";
+                        regulator-name = "CAM_AF";
+                        regulator-min-microvolt = <2800000>;
+                        regulator-max-microvolt = <2800000>;
+                        gpio = <&gpm0 4 0>;
+                        enable-active-high;
+                };
+
+                cam_isp_core_reg: voltage-regulator-4 {
+                        compatible = "regulator-fixed";
+                        regulator-name = "CAM_ISP_CORE_1.2V_EN";
+                        regulator-min-microvolt = <1200000>;
+                        regulator-max-microvolt = <1200000>;
+                        gpio = <&gpm0 3 0>;
+                        enable-active-high;
+                        regulator-always-on;
+                };
         };
 
         gpio-keys {
@@ -140,6 +157,38 @@
                 };
         };
 
+        i2c_0: i2c@13860000 {
+                samsung,i2c-sda-delay = <100>;
+                samsung,i2c-slave-addr = <0x10>;
+                samsung,i2c-max-bus-freq = <400000>;
+                pinctrl-0 = <&i2c0_bus>;
+                pinctrl-names = "default";
+                status = "okay";
+
+                s5c73m3@3c {
+                        compatible = "samsung,s5c73m3";
+                        reg = <0x3c>;
+                        standby-gpios = <&gpm0 1 1>;   /* ISP_STANDBY */
+                        xshutdown-gpios = <&gpf1 3 1>; /* ISP_RESET */
+                        vdd-int-supply = <&buck9_reg>;
+                        vddio-cis-supply = <&ldo9_reg>;
+                        vdda-supply = <&ldo17_reg>;
+                        vddio-host-supply = <&ldo18_reg>;
+                        vdd-af-supply = <&cam_af_reg>;
+                        vdd-reg-supply = <&cam_io_reg>;
+                        clock-frequency = <24000000>;
+                        /* CAM_A_CLKOUT */
+                        clocks = <&camera 0>;
+                        clock-names = "cis_extclk";
+                        port {
+                                s5c73m3_ep: endpoint {
+                                        remote-endpoint = <&csis0_ep>;
+                                        data-lanes = <1 2 3 4>;
+                                };
+                        };
+                };
+        };
+
         i2c@138D0000 {
                 samsung,i2c-sda-delay = <100>;
                 samsung,i2c-slave-addr = <0x10>;
@@ -586,8 +635,8 @@
                 status = "okay";
         };
 
-        camera {
-                pinctrl-0 = <&cam_port_b_clk_active>;
+        camera: camera {
+                pinctrl-0 = <&cam_port_a_clk_active &cam_port_b_clk_active>;
                 pinctrl-names = "default";
                 status = "okay";
 
@@ -607,6 +656,23 @@
                         status = "okay";
                 };
 
+                csis_0: csis@11880000 {
+                        status = "okay";
+                        vddcore-supply = <&ldo8_reg>;
+                        vddio-supply = <&ldo10_reg>;
+                        clock-frequency = <176000000>;
+
+                        /* Camera C (3) MIPI CSI-2 (CSIS0) */
+                        port@3 {
+                                reg = <3>;
+                                csis0_ep: endpoint {
+                                        remote-endpoint = <&s5c73m3_ep>;
+                                        data-lanes = <1 2 3 4>;
+                                        samsung,csis-hs-settle = <12>;
+                                };
+                        };
+                };
+
                 csis_1: csis@11890000 {
                         vddcore-supply = <&ldo8_reg>;
                         vddio-supply = <&ldo10_reg>;