arm64: dts: renesas: r9a07g043u11-smarc: Enable DU

Enable the Display Unit and link with the HDMI add-on board connected
to the parallel connector on the RZ/G2UL SMARC EVK by using a Device
Tree overlay.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20240826101648.176647-1-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index fbd214a1a63825983bebf171817fca7ab3bf287f..fdf597e019d768c4652a9a73894b959e2c467e4d 100644 (file)
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -112,9 +112,12 @@ dtb-$(CONFIG_ARCH_R8A77965) += r8a779m5-salvator-xs-panel-aa104xd12.dtb
 
 dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043u11-smarc.dtb
 dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043u11-smarc-cru-csi-ov5645.dtbo
+dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043u11-smarc-du-adv7513.dtbo
 dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043-smarc-pmod.dtbo
 r9a07g043u11-smarc-cru-csi-ov5645-dtbs := r9a07g043u11-smarc.dtb r9a07g043u11-smarc-cru-csi-ov5645.dtbo
 dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043u11-smarc-cru-csi-ov5645.dtb
+r9a07g043u11-smarc-du-adv7513-dtbs := r9a07g043u11-smarc.dtb r9a07g043u11-smarc-du-adv7513.dtbo
+dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043u11-smarc-du-adv7513.dtb
 r9a07g043u11-smarc-pmod-dtbs := r9a07g043u11-smarc.dtb r9a07g043-smarc-pmod.dtbo
 dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043u11-smarc-pmod.dtb
 

diff --git a/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc-du-adv7513.dtso b/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc-du-adv7513.dtso
new file mode 100644 (file)
index 0000000..ecd43a6
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc-du-adv7513.dtso
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree overlay for the RZ/G2UL SMARC EVK with ADV7513 transmitter
+ * connected to DU enabled.
+ *
+ * Copyright (C) 2024 Renesas Electronics Corp.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
+
+#define ADV7513_PARENT_I2C i2c1
+#include "rz-smarc-du-adv7513.dtsi"
+
+&pinctrl {
+       du_pins: du {
+               data {
+                       pinmux = <RZG2L_PORT_PINMUX(11, 2, 6)>,
+                                <RZG2L_PORT_PINMUX(13, 1, 6)>,
+                                <RZG2L_PORT_PINMUX(13, 0, 6)>,
+                                <RZG2L_PORT_PINMUX(13, 4, 6)>,
+                                <RZG2L_PORT_PINMUX(13, 3, 6)>,
+                                <RZG2L_PORT_PINMUX(12, 1, 6)>,
+                                <RZG2L_PORT_PINMUX(13, 2, 6)>,
+                                <RZG2L_PORT_PINMUX(14, 0, 6)>,
+                                <RZG2L_PORT_PINMUX(14, 2, 6)>,
+                                <RZG2L_PORT_PINMUX(14, 1, 6)>,
+                                <RZG2L_PORT_PINMUX(16, 0, 6)>,
+                                <RZG2L_PORT_PINMUX(15, 0, 6)>,
+                                <RZG2L_PORT_PINMUX(16, 1, 6)>,
+                                <RZG2L_PORT_PINMUX(15, 1, 6)>,
+                                <RZG2L_PORT_PINMUX(15, 3, 6)>,
+                                <RZG2L_PORT_PINMUX(18, 0, 6)>,
+                                <RZG2L_PORT_PINMUX(15, 2, 6)>,
+                                <RZG2L_PORT_PINMUX(17, 0, 6)>,
+                                <RZG2L_PORT_PINMUX(17, 2, 6)>,
+                                <RZG2L_PORT_PINMUX(17, 1, 6)>,
+                                <RZG2L_PORT_PINMUX(18, 1, 6)>,
+                                <RZG2L_PORT_PINMUX(18, 2, 6)>,
+                                <RZG2L_PORT_PINMUX(17, 3, 6)>,
+                                <RZG2L_PORT_PINMUX(18, 3, 6)>;
+                       drive-strength = <2>;
+               };
+
+               sync {
+                       pinmux = <RZG2L_PORT_PINMUX(11, 0, 6)>, /* HSYNC */
+                                <RZG2L_PORT_PINMUX(12, 0, 6)>; /* VSYNC */
+                       drive-strength = <2>;
+               };
+
+               de {
+                       pinmux = <RZG2L_PORT_PINMUX(11, 1, 6)>; /* DE */
+                       drive-strength = <2>;
+               };
+
+               clk {
+                       pinmux = <RZG2L_PORT_PINMUX(11, 3, 6)>; /* CLK */
+               };
+       };
+};

diff --git a/arch/arm64/boot/dts/renesas/rz-smarc-du-adv7513.dtsi b/arch/arm64/boot/dts/renesas/rz-smarc-du-adv7513.dtsi
new file mode 100644 (file)
index 0000000..3670757
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/rz-smarc-du-adv7513.dtsi
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Common Device Tree for the RZ/G2UL SMARC EVK (and alike EVKs) with
+ * ADV7513 transmitter connected to DU enabled.
+ *
+ * Copyright (C) 2024 Renesas Electronics Corp.
+ */
+
+&{/} {
+       hdmi-out {
+               compatible = "hdmi-connector";
+               type = "d";
+
+               port {
+                       hdmi_con_out: endpoint {
+                               remote-endpoint = <&adv7513_out>;
+                       };
+               };
+       };
+};
+
+&du {
+       pinctrl-0 = <&du_pins>;
+       pinctrl-names = "default";
+
+       status = "okay";
+
+       ports {
+               port@0 {
+                       du_out_rgb: endpoint {
+                               remote-endpoint = <&adv7513_in>;
+                       };
+               };
+       };
+};
+
+&ADV7513_PARENT_I2C {
+       #address-cells = <1>;
+       #size-cells = <0>;
+
+       adv7513: adv7513@39 {
+               compatible = "adi,adv7513";
+               reg = <0x39>;
+
+               adi,input-depth = <8>;
+               adi,input-colorspace = "rgb";
+               adi,input-clock = "1x";
+
+               avdd-supply = <&reg_1p8v>;
+               dvdd-supply = <&reg_1p8v>;
+               pvdd-supply = <&reg_1p8v>;
+               dvdd-3v-supply = <&reg_3p3v>;
+               bgvdd-supply = <&reg_1p8v>;
+
+               ports {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       port@0 {
+                               reg = <0>;
+
+                               adv7513_in: endpoint {
+                                       remote-endpoint = <&du_out_rgb>;
+                               };
+                       };
+
+                       port@1 {
+                               reg = <1>;
+
+                               adv7513_out: endpoint {
+                                       remote-endpoint = <&hdmi_con_out>;
+                               };
+                       };
+               };
+       };
+};