Skip to contentSkip to conversation

ARM: dts: keystone-k2g-evm: Display support

PATCH Superseded Jyri Sarha 1 participant 3 messages Jan 29, 2020 Device tree bindings

lore
Share & tools
lore

Jyri Sarha

author
#0 lore raw

cover ARM: dts: keystone-k2g-evm: Display support

Now that drm/tidss is queued for mainline, lets add display support for k2g-evm. There is no hurry since tidss is out only in v5.7, but it should not harm to have the dts changes in place before that.

Jyri Sarha (2):
ARM: dts: keystone-k2g: Add DSS node
ARM: dts: keystone-k2g-evm: add HDMI video support

 arch/arm/boot/dts/keystone-k2g-evm.dts | 101 +++++++++++++++++++++++++
 arch/arm/boot/dts/keystone-k2g.dtsi    |  22 ++++++
 2 files changed, 123 insertions(+)
Signature · 1 line
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
author
#1 lore raw

PATCH 1/2 ARM: dts: keystone-k2g: Add DSS node

Add DT node for DSS. K2G has DSS version 6. Keystone family DSS are somewhat different compered to the old OMAP family DSSes and the binding looks different too.

---
 arch/arm/boot/dts/keystone-k2g.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
arch/arm/boot/dts/keystone-k2g.dtsi +22 -0
index 1c833105d6c5..08ba31780baa 100644
@@ -324,6 +324,28 @@
 			clock-names = "gpio";
 		};
 
+		dss: dss@02540000 {
+			compatible = "ti,k2g-dss";
+			reg =	<0x02540000 0x400>,
+				<0x02550000 0x1000>,
+				<0x02557000 0x1000>,
+				<0x0255a800 0x100>,
+				<0x0255ac00 0x100>;
+			reg-names = "cfg", "common", "vid1", "ovr1", "vp1";
+			clocks =	<&k2g_clks 0x2 0>,
+					<&k2g_clks 0x2 1>;
+			clock-names = "fck", "vp1";
+			interrupts = <GIC_SPI 247 IRQ_TYPE_EDGE_RISING>;
+
+			power-domains = <&k2g_pds 0x2>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			max-memory-bandwidth = <230000000>;
+		};
+
 		edma0: edma@2700000 {
 			compatible = "ti,k2g-edma3-tpcc", "ti,edma3-tpcc";
 			reg =	<0x02700000 0x8000>;
Signature · 1 line
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
author
#2 lore raw

PATCH 2/2 ARM: dts: keystone-k2g-evm: add HDMI video support

In reply to Jyri Sarha

Add DT nodes for HDMI video support for K2G EVM. The HDMI uses SiI9022 DPI as HDMI encoder. The DSS DPI is connected to SiI9022 HDMI encoder's video input and encoder's output goes to HDMI connector.

---
 arch/arm/boot/dts/keystone-k2g-evm.dts | 101 +++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
arch/arm/boot/dts/keystone-k2g-evm.dts +101 -0
index b7f10bf94576..db640bab8c1d 100644
@@ -45,6 +45,19 @@
 		regulator-max-microvolt = <1800000>;
 		regulator-always-on;
 	};
+
+	hdmi: connector {
+		compatible = "hdmi-connector";
+		label = "hdmi";
+
+		type = "a";
+
+		port {
+			hdmi_connector_in: endpoint {
+				remote-endpoint = <&sii9022_out>;
+			};
+		};
+	};
 };
 
 &k2g_pinctrl {
@@ -89,6 +102,13 @@
 		>;
 	};
 
+	i2c1_pins: pinmux_i2c1_pins {
+		pinctrl-single,pins = <
+			K2G_CORE_IOPAD(0x1384) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0)	/* i2c1_scl.i2c1_scl */
+			K2G_CORE_IOPAD(0x1388) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0)	/* i2c1_sda.i2c1_sda */
+		>;
+	};
+
 	ecap0_pins: ecap0_pins {
 		pinctrl-single,pins = <
 			K2G_CORE_IOPAD(0x1374) (BUFFER_CLASS_B | MUX_MODE4)	/* pr1_mdio_data.ecap0_in_apwm0_out */
@@ -160,6 +180,40 @@
 			K2G_CORE_IOPAD(0x1188) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0)	/* MDIO_DATA.MDIO_DATA */
 		>;
 	};
+
+	vout_pins: pinmux_vout_pins {
+		pinctrl-single,pins = <
+			K2G_CORE_IOPAD(0x1078) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata23.dssdata23 */
+			K2G_CORE_IOPAD(0x107c) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata22.dssdata22 */
+			K2G_CORE_IOPAD(0x1080) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata21.dssdata21 */
+			K2G_CORE_IOPAD(0x1084) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata20.dssdata20 */
+			K2G_CORE_IOPAD(0x1088) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata19.dssdata19 */
+			K2G_CORE_IOPAD(0x108c) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata18.dssdata18 */
+			K2G_CORE_IOPAD(0x1090) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata17.dssdata17 */
+			K2G_CORE_IOPAD(0x1094) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata16.dssdata16 */
+			K2G_CORE_IOPAD(0x1098) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata15.dssdata15 */
+			K2G_CORE_IOPAD(0x109c) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata14.dssdata14 */
+			K2G_CORE_IOPAD(0x10a0) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata13.dssdata13 */
+			K2G_CORE_IOPAD(0x10a4) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata12.dssdata12 */
+			K2G_CORE_IOPAD(0x10a8) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata11.dssdata11 */
+			K2G_CORE_IOPAD(0x10ac) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata10.dssdata10 */
+			K2G_CORE_IOPAD(0x10b0) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata9.dssdata9 */
+			K2G_CORE_IOPAD(0x10b4) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata8.dssdata8 */
+			K2G_CORE_IOPAD(0x10b8) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata7.dssdata7 */
+			K2G_CORE_IOPAD(0x10bc) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata6.dssdata6 */
+			K2G_CORE_IOPAD(0x10c0) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata5.dssdata5 */
+			K2G_CORE_IOPAD(0x10c4) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata4.dssdata4 */
+			K2G_CORE_IOPAD(0x10c8) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata3.dssdata3 */
+			K2G_CORE_IOPAD(0x10cc) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata2.dssdata2 */
+			K2G_CORE_IOPAD(0x10d0) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata1.dssdata1 */
+			K2G_CORE_IOPAD(0x10d4) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssdata0.dssdata0 */
+			K2G_CORE_IOPAD(0x10d8) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssvsync.dssvsync */
+			K2G_CORE_IOPAD(0x10dc) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dsshsync.dsshsync */
+			K2G_CORE_IOPAD(0x10e0) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dsspclk.dsspclk */
+			K2G_CORE_IOPAD(0x10e4) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssde.dssde */
+			K2G_CORE_IOPAD(0x10e8) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* dssfid.dssfid */
+		>;
+	};
 };
 
 &uart0 {
@@ -357,3 +411,50 @@
 	pinctrl-0 = <&emac_pins>;
 	status = "okay";
 };
+
+&i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1_pins>;
+	status = "okay";
+	clock-frequency = <400000>;
+
+	sii9022: sii9022@3b {
+		#sound-dai-cells = <0>;
+		compatible = "sil,sii9022";
+		reg = <0x3b>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				sii9022_in: endpoint {
+					remote-endpoint = <&dpi_out>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				sii9022_out: endpoint {
+					remote-endpoint = <&hdmi_connector_in>;
+				};
+			};
+		};
+	};
+};
+
+&dss {
+	pinctrl-names = "default";
+	pinctrl-0 = <&vout_pins>;
+	status = "ok";
+
+	port {
+		dpi_out: endpoint {
+			remote-endpoint = <&sii9022_in>;
+			data-lines = <24>;
+		};
+	};
+};
Signature · 1 line
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki