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>

diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
index cf0e1103772954227d9bf4a602902409ae46b14c..f621fd976815cfcd93bd0d636a16ba34c1e1a0de 100644 (file)
--- 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>;