summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-hdmi.yaml
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/display/allwinner,sun4i-a10-hdmi.yaml
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--Documentation/devicetree/bindings/display/allwinner,sun4i-a10-hdmi.yaml183
1 files changed, 183 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-hdmi.yaml b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-hdmi.yaml
new file mode 100644
index 000000000..75e647939
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-hdmi.yaml
@@ -0,0 +1,183 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/allwinner,sun4i-a10-hdmi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A10 HDMI Controller Device Tree Bindings
+
+description: |
+ The HDMI Encoder supports the HDMI video and audio outputs, and does
+ CEC. It is one end of the pipeline.
+
+maintainers:
+ - Chen-Yu Tsai <wens@csie.org>
+ - Maxime Ripard <mripard@kernel.org>
+
+properties:
+ compatible:
+ oneOf:
+ - const: allwinner,sun4i-a10-hdmi
+ - const: allwinner,sun5i-a10s-hdmi
+ - const: allwinner,sun6i-a31-hdmi
+ - items:
+ - const: allwinner,sun7i-a20-hdmi
+ - const: allwinner,sun5i-a10s-hdmi
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ oneOf:
+ - items:
+ - description: The HDMI interface clock
+ - description: The HDMI module clock
+ - description: The first video PLL
+ - description: The second video PLL
+
+ - items:
+ - description: The HDMI interface clock
+ - description: The HDMI module clock
+ - description: The HDMI DDC clock
+ - description: The first video PLL
+ - description: The second video PLL
+
+ clock-names:
+ oneOf:
+ - items:
+ - const: ahb
+ - const: mod
+ - const: pll-0
+ - const: pll-1
+
+ - items:
+ - const: ahb
+ - const: mod
+ - const: ddc
+ - const: pll-0
+ - const: pll-1
+
+ resets:
+ maxItems: 1
+
+ dmas:
+ items:
+ - description: DDC Transmission DMA Channel
+ - description: DDC Reception DMA Channel
+ - description: Audio Transmission DMA Channel
+
+ dma-names:
+ items:
+ - const: ddc-tx
+ - const: ddc-rx
+ - const: audio-tx
+
+ ports:
+ type: object
+ description: |
+ A ports node with endpoint definitions as defined in
+ Documentation/devicetree/bindings/media/video-interfaces.txt.
+
+ properties:
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ port@0:
+ type: object
+ description: |
+ Input endpoints of the controller.
+
+ port@1:
+ type: object
+ description: |
+ Output endpoints of the controller. Usually an HDMI
+ connector.
+
+ required:
+ - "#address-cells"
+ - "#size-cells"
+ - port@0
+ - port@1
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - dmas
+ - dma-names
+
+if:
+ properties:
+ compatible:
+ contains:
+ const: allwinner,sun6i-a31-hdmi
+
+then:
+ properties:
+ clocks:
+ minItems: 5
+
+ clock-names:
+ minItems: 5
+
+ required:
+ - resets
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/sun4i-a10-ccu.h>
+ #include <dt-bindings/dma/sun4i-a10.h>
+ #include <dt-bindings/reset/sun4i-a10-ccu.h>
+
+ hdmi: hdmi@1c16000 {
+ compatible = "allwinner,sun4i-a10-hdmi";
+ reg = <0x01c16000 0x1000>;
+ interrupts = <58>;
+ clocks = <&ccu CLK_AHB_HDMI0>, <&ccu CLK_HDMI>,
+ <&ccu CLK_PLL_VIDEO0_2X>,
+ <&ccu CLK_PLL_VIDEO1_2X>;
+ clock-names = "ahb", "mod", "pll-0", "pll-1";
+ dmas = <&dma SUN4I_DMA_NORMAL 16>,
+ <&dma SUN4I_DMA_NORMAL 16>,
+ <&dma SUN4I_DMA_DEDICATED 24>;
+ dma-names = "ddc-tx", "ddc-rx", "audio-tx";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ hdmi_in: port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ hdmi_in_tcon0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&tcon0_out_hdmi>;
+ };
+
+ hdmi_in_tcon1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&tcon1_out_hdmi>;
+ };
+ };
+
+ hdmi_out: port@1 {
+ reg = <1>;
+ };
+ };
+ };
+
+...