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.ha...@samsung.com>
Acked-by: Kyungmin Park <kyungmin.p...@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawro...@samsung.com>
---
Changes since v4:
- removed changes related to s5k6a3 sensor.
---
arch/arm/boot/dts/exynos4412-trats2.dts | 81 +++++++++++++++++++++++++++++--
1 file changed, 78 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts
b/arch/arm/boot/dts/exynos4412-trats2.dts
index 4f851cc..0c6afbe 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -71,7 +71,33 @@
enable-active-high;
};
- /* More to come */
+ cam_af_reg: voltage-regulator-2 {
+ 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-3 {
+ 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;
+ };
+
+ lcd_vdd3_reg: voltage-regulator-4 {
+ compatible = "regulator-fixed";
+ regulator-name = "LCD_VDD_2.2V";
+ regulator-min-microvolt = <2200000>;
+ regulator-max-microvolt = <2200000>;
+ gpio = <&gpc0 1 0>;
+ enable-active-high;
+ };
};
gpio-keys {
@@ -106,6 +132,38 @@
};
};
+ 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@13890000 {
samsung,i2c-sda-delay = <100>;
samsung,i2c-slave-addr = <0x10>;
@@ -511,8 +569,8 @@
};
};
- 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";
@@ -532,6 +590,23 @@
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>;
--
1.7.9.5
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