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authorLucas Stach <l.stach@pengutronix.de>2024-02-03 19:52:49 +0300
committerNeil Armstrong <neil.armstrong@linaro.org>2024-02-06 11:05:55 +0300
commit8933d29e7703f6f905bc84186b915b0ab4fe03bb (patch)
treef8592b6bdc698c6e5fd85f80b0c46753460e111d /Documentation
parent418d6e296626dfd0a92acc3a5e43b92cd361aee6 (diff)
downloadlinux-8933d29e7703f6f905bc84186b915b0ab4fe03bb.tar.xz
dt-bindings: display: imx: add binding for i.MX8MP HDMI TX
The HDMI TX controller on the i.MX8MP SoC is a Synopsys designware IP core with a little bit of SoC integration around it. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Adam Ford <aford173@gmail.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20240203165307.7806-10-aford173@gmail.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240203165307.7806-10-aford173@gmail.com
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/display/bridge/fsl,imx8mp-hdmi-tx.yaml102
1 files changed, 102 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/bridge/fsl,imx8mp-hdmi-tx.yaml b/Documentation/devicetree/bindings/display/bridge/fsl,imx8mp-hdmi-tx.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/fsl,imx8mp-hdmi-tx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX8MP DWC HDMI TX Encoder
+
+maintainers:
+ - Lucas Stach <l.stach@pengutronix.de>
+
+description:
+ The i.MX8MP HDMI transmitter is a Synopsys DesignWare
+ HDMI 2.0a TX controller IP.
+
+allOf:
+ - $ref: /schemas/display/bridge/synopsys,dw-hdmi.yaml#
+
+properties:
+ compatible:
+ enum:
+ - fsl,imx8mp-hdmi-tx
+
+ reg-io-width:
+ const: 1
+
+ clocks:
+ maxItems: 4
+
+ clock-names:
+ items:
+ - const: iahb
+ - const: isfr
+ - const: cec
+ - const: pix
+
+ power-domains:
+ maxItems: 1
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: Parallel RGB input port
+
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: HDMI output port
+
+ required:
+ - port@0
+ - port@1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - interrupts
+ - power-domains
+ - ports
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx8mp-clock.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/power/imx8mp-power.h>
+
+ hdmi@32fd8000 {
+ compatible = "fsl,imx8mp-hdmi-tx";
+ reg = <0x32fd8000 0x7eff>;
+ interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk IMX8MP_CLK_HDMI_APB>,
+ <&clk IMX8MP_CLK_HDMI_REF_266M>,
+ <&clk IMX8MP_CLK_32K>,
+ <&hdmi_tx_phy>;
+ clock-names = "iahb", "isfr", "cec", "pix";
+ power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_HDMI_TX>;
+ reg-io-width = <1>;
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+
+ hdmi_tx_from_pvi: endpoint {
+ remote-endpoint = <&pvi_to_hdmi_tx>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ hdmi_tx_out: endpoint {
+ remote-endpoint = <&hdmi0_con>;
+ };
+ };
+ };
+ };