ARM: dts: stm32: Add bindings for HDMI video on AV96

Fill in the HDMI video pipeline from AV96 into the DT.

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: linux-stm32@st-md-mailman.stormreply.com
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

diff --git a/arch/arm/boot/dts/stm32mp157a-avenger96.dts b/arch/arm/boot/dts/stm32mp157a-avenger96.dts
index ebf34ae..85116e1 100644 (file)
--- a/arch/arm/boot/dts/stm32mp157a-avenger96.dts
+++ b/arch/arm/boot/dts/stm32mp157a-avenger96.dts
@@ -25,10 +25,28 @@
                spi0 = &qspi;
        };
 
+       /* XTal Q1 */
+       cec_clock: clk-cec-fixed {
+               #clock-cells = <0>;
+               compatible = "fixed-clock";
+               clock-frequency = <24000000>;
+       };
+
        chosen {
                stdout-path = "serial0:115200n8";
        };
 
+       hdmi-out {
+               compatible = "hdmi-connector";
+               type = "a";
+
+               port {
+                       hdmi_con: endpoint {
+                               remote-endpoint = <&adv7513_out>;
+                       };
+               };
+       };
+
        memory@c0000000 {
                device_type = "memory";
                reg = <0xc0000000 0x40000000>;
@@ -302,6 +320,50 @@
                };
        };
 
+       hdmi-transmitter@3d {
+               compatible = "adi,adv7513";
+               reg = <0x3d>, <0x2d>, <0x4d>, <0x5d>;
+               reg-names = "main", "cec", "edid", "packet";
+               clocks = <&cec_clock>;
+               clock-names = "cec";
+
+               avdd-supply = <&v3v3>;
+               dvdd-supply = <&v3v3>;
+               pvdd-supply = <&v3v3>;
+               dvdd-3v-supply = <&v3v3>;
+               bgvdd-supply = <&v3v3>;
+
+               interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
+               interrupt-parent = <&gpiog>;
+
+               status = "okay";
+
+               adi,input-depth = <8>;
+               adi,input-colorspace = "rgb";
+               adi,input-clock = "1x";
+               adi,input-style = <1>;
+               adi,input-justification = "evenly";
+
+               ports {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       port@0 {
+                               reg = <0>;
+                               adv7513_in: endpoint {
+                                       remote-endpoint = <&ltdc_ep0_out>;
+                               };
+                       };
+
+                       port@1 {
+                               reg = <1>;
+                               adv7513_out: endpoint {
+                                       remote-endpoint = <&hdmi_con>;
+                               };
+                       };
+               };
+       };
+
        eeprom@53 {
                compatible = "atmel,24c02";
                reg = <0x53>;
@@ -314,6 +376,23 @@
        status = "okay";
 };
 
+&ltdc {
+       pinctrl-names = "default", "sleep";
+       pinctrl-0 = <&ltdc_pins_d>;
+       pinctrl-1 = <&ltdc_sleep_pins_d>;
+       status = "okay";
+
+       port {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               ltdc_ep0_out: endpoint@0 {
+                       reg = <0>;
+                       remote-endpoint = <&adv7513_in>;
+               };
+       };
+};
+
 &pwr_regulators {
        vdd-supply = <&vdd_io>;
        vdd_3v3_usbfs-supply = <&vdd_usb>;