Re: [PATCH v5 05/10] dt-bindings: display: bridge: Add MHDP HDMI for i.MX8MQ
From: Rob Herring <robh@kernel.org>
Date: 2022-12-01 23:10:26
Also in:
dri-devel, linux-devicetree, linux-phy, lkml
On Mon, Nov 28, 2022 at 03:36:13PM +0800, Sandor Yu wrote:
quoted hunk ↗ jump to hunk
Add bindings for i.MX8MQ MHDP HDMI. Signed-off-by: Sandor Yu <redacted> --- .../display/bridge/cdns,mhdp-imx8mq-hdmi.yaml | 102 ++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yamldiff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml new file mode 100644 index 000000000000..cca6954a84ff --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml@@ -0,0 +1,102 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cadence MHDP HDMI bridge + +maintainers: + - Sandor Yu <Sandor.yu@nxp.com> + +description: + The Cadence MHDP TX HDMI interface.
What's the difference between this block and the DP block? The binding looks the same other than compatible, so can they be combined?
+ +properties: + compatible: + enum: + - cdns,mhdp-imx8mq-hdmi
Same comment here on naming.
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+ description: MHDP HDMI APB clock.
+
+ phys:
+ maxItems: 1
+
+ interrupts:
+ items:
+ - description: Hotplug cable plugin.
+ - description: Hotplug cable plugout.
+
+ interrupt-names:
+ items:
+ - const: plug_in
+ - const: plug_out
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Input port from display controller output.
+
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Output port to HDMI connector.
+
+ required:
+ - port@0
+ - port@1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - interrupts
+ - interrupt-names
+ - phys
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx8mq-clock.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ mhdp_hdmi: hdmi-bridge@32c00000 {
+ compatible = "cdns,mhdp-imx8mq-hdmi";
+ reg = <0x32c00000 0x100000>;
+ interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "plug_in", "plug_out";
+ clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>;
+ phys = <&hdmi_phy>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ mhdp_in: endpoint {
+ remote-endpoint = <&dcss_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ mhdp_out: endpoint {
+ remote-endpoint = <&hdmi_con>;
+ };
+ };
+ };
+ };
--
2.34.1
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