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authorMartin Blumenstingl <martin.blumenstingl@googlemail.com>2021-10-20 22:51:06 +0300
committerVinod Koul <vkoul@kernel.org>2021-11-23 08:47:49 +0300
commit3870a48cd10c216213417e9929d9ffa85edb6ed5 (patch)
treeb4c341285ab82ef3c66fa823d89e8b4e2aa29ef0
parentf199223cb490be108e3e44a6577fb76bc6ca8bbe (diff)
downloadlinux-3870a48cd10c216213417e9929d9ffa85edb6ed5.tar.xz
dt-bindings: phy: Add the Amlogic Meson8 HDMI TX PHY bindings
Amlogic Meson8, Meson8b and Meson8m2 all include an identical (or at least very similar) HDMI TX PHY. The PHY registers are part of the HHI register area. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20211020195107.1564533-2-martin.blumenstingl@googlemail.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
-rw-r--r--Documentation/devicetree/bindings/phy/amlogic,meson8-hdmi-tx-phy.yaml65
1 files changed, 65 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/phy/amlogic,meson8-hdmi-tx-phy.yaml b/Documentation/devicetree/bindings/phy/amlogic,meson8-hdmi-tx-phy.yaml
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+++ b/Documentation/devicetree/bindings/phy/amlogic,meson8-hdmi-tx-phy.yaml
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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/phy/amlogic,meson8-hdmi-tx-phy.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Amlogic Meson8, Meson8b and Meson8m2 HDMI TX PHY
+
+maintainers:
+ - Martin Blumenstingl <martin.blumenstingl@googlemail.com>
+
+description: |+
+ The HDMI TX PHY node should be the child of a syscon node with the
+ required property:
+
+ compatible = "amlogic,meson-hhi-sysctrl", "simple-mfd", "syscon"
+
+ Refer to the bindings described in
+ Documentation/devicetree/bindings/mfd/syscon.yaml
+
+properties:
+ $nodename:
+ pattern: "^hdmi-phy@[0-9a-f]+$"
+
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - amlogic,meson8b-hdmi-tx-phy
+ - amlogic,meson8m2-hdmi-tx-phy
+ - const: amlogic,meson8-hdmi-tx-phy
+ - const: amlogic,meson8-hdmi-tx-phy
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ minItems: 1
+ description:
+ HDMI TMDS clock
+
+ "#phy-cells":
+ const: 0
+
+required:
+ - compatible
+ - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ hdmi-phy@3a0 {
+ compatible = "amlogic,meson8-hdmi-tx-phy";
+ reg = <0x3a0 0xc>;
+ clocks = <&tmds_clock>;
+ #phy-cells = <0>;
+ };
+ - |
+ hdmi-phy@3a0 {
+ compatible = "amlogic,meson8b-hdmi-tx-phy", "amlogic,meson8-hdmi-tx-phy";
+ reg = <0x3a0 0xc>;
+ clocks = <&tmds_clock>;
+ #phy-cells = <0>;
+ };