Add HDMI and Sil9234 MHL converter to Trats2 board.
Following in SoC devices have been enabled:
- HDMI (HDMI signal encoder),
- Mixer (video buffer scanout device),
- I2C_5 bus (used for HDMI DDC)
- I2C_8 bus (used for HDMI_PHY control).
Based on previous work by:
Tomasz Stanislawski <t.stanislaws@xxxxxxxxxxx>
Signed-off-by: Maciej Purski <m.purski@xxxxxxxxxxx>
---
Changes in v2:
- fix commit message
- add regulators nodes to model actual physical connections
---
arch/arm/boot/dts/exynos4412-trats2.dts | 111 ++++++++++++++++++++++++++++++++
1 file changed, 111 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
index 35e9b94..0180753 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -97,6 +97,34 @@
gpio = <&gpj0 5 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
+
+ vsil12: voltage-regulator-6 {
+ compatible = "regulator-fixed";
+ regulator-name = "VSIL_1.2V";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ gpio = <&gpl0 4 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ vin-supply = <&buck7_reg>;
+ };
+
+ vcc33mhl: voltage-regulator-7 {
+ compatible = "regulator-fixed";
+ regulator-name = "VCC_3.3_MHL";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpl0 4 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ vcc18mhl: voltage-regulator-8 {
+ compatible = "regulator-fixed";
+ regulator-name = "VCC_1.8_MHL";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ gpio = <&gpl0 4 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
};
gpio-keys {
@@ -229,6 +257,36 @@
};
};
+ i2c-mhl {
+ compatible = "i2c-gpio";
+ gpios = <&gpf0 4 GPIO_ACTIVE_HIGH &gpf0 6 GPIO_ACTIVE_HIGH>;
+ i2c-gpio,delay-us = <100>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pinctrl-0 = <&i2c_mhl_bus>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ sii9234: sii9234@39 {
+ compatible = "sil,sii9234";
+ avcc33-supply = <&vcc33mhl>;
+ iovcc18-supply = <&vcc18mhl>;
+ avcc12-supply = <&vsil12>;
+ cvcc12-supply = <&vsil12>;
+ reset-gpios = <&gpf3 4 GPIO_ACTIVE_LOW>;
+ interrupt-parent = <&gpf3>;
+ interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0x39>;
+
+ port {
+ mhl_to_hdmi: endpoint {
+ remote-endpoint = <&hdmi_to_mhl>;
+ };
+ };
+ };
+ };
+
camera: camera {
pinctrl-0 = <&cam_port_a_clk_active &cam_port_b_clk_active>;
pinctrl-names = "default";
@@ -522,6 +580,29 @@
status = "okay";
};
+&hdmi {
+ hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&hdmi_hpd>;
+ vdd-supply = <&ldo3_reg>;
+ vdd_osc-supply = <&ldo4_reg>;
+ vdd_pll-supply = <&ldo3_reg>;
+ ddc = <&i2c_5>;
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@1 {
+ reg = <1>;
+ hdmi_to_mhl: endpoint {
+ remote-endpoint = <&mhl_to_hdmi>;
+ };
+ };
+ };
+};
+
&hsotg {
vusb_d-supply = <&ldo15_reg>;
vusb_a-supply = <&ldo12_reg>;
@@ -600,6 +681,11 @@
};
};
+
+&i2c_5 {
+ status = "okay";
+};
+
&i2c_7 {
samsung,i2c-sda-delay = <100>;
samsung,i2c-slave-addr = <0x10>;
@@ -894,12 +980,20 @@
};
};
+&i2c_8 {
+ status = "okay";
+};
+
&i2s0 {
pinctrl-0 = <&i2s0_bus>;
pinctrl-names = "default";
status = "okay";
};
+&mixer {
+ status = "okay";
+};
+
&mshc_0 {
num-slots = <1>;
broken-cd;
@@ -926,6 +1020,18 @@
pinctrl-names = "default";
pinctrl-0 = <&sleep0>;
+ mhl_int: mhl-int {
+ samsung,pins = "gpf3-5";
+ samsung,pin-pud = <0>;
+ };
+
+ i2c_mhl_bus: i2c-mhl-bus {
+ samsung,pins = "gpf0-4", "gpf0-6";
+ samsung,pin-function = <2>;
+ samsung,pin-pud = <1>;
+ samsung,pin-drv = <0>;
+ };
+
sleep0: sleep-states {
PIN_SLP(gpa0-0, INPUT, NONE);
PIN_SLP(gpa0-1, OUT0, NONE);
@@ -1029,6 +1135,11 @@
pinctrl-names = "default";
pinctrl-0 = <&sleep1>;
+ hdmi_hpd: hdmi-hpd {
+ samsung,pins = "gpx3-7";
+ samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+ };
+
sleep1: sleep-states {
PIN_SLP(gpk0-0, PREV, NONE);
PIN_SLP(gpk0-1, PREV, NONE);
--
2.7.4
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