Re: [PATCH v1 1/4] dt-bindings: phy: Add binding for Mediatek MT8195 HDMI PHY
From: Chunfeng Yun <chunfeng.yun@mediatek.com>
Date: 2021-10-12 01:53:01
Also in:
linux-devicetree, linux-mediatek, linux-phy, lkml
On Wed, 2021-09-29 at 11:44 +0200, Guillaume Ranquet wrote:
quoted hunk ↗ jump to hunk
Add bindings to describe Mediatek MT8195 HDMI PHY Signed-off-by: Guillaume Ranquet <redacted> --- .../phy/mediatek,mtk8195-hdmi-phy.yaml | 70 +++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/mediatek,mtk8195-hdmi-phy.yamldiff --git a/Documentation/devicetree/bindings/phy/mediatek,mtk8195-hdmi-phy.yaml b/Documentation/devicetree/bindings/phy/mediatek,mtk8195-hdmi- phy.yaml new file mode 100644 index 0000000000000..6b39bb8c9dfe7--- /dev/null +++ b/Documentation/devicetree/bindings/phy/mediatek,mtk8195-hdmi-phy.yaml@@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (c) 2020 MediaTek +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/mediatek,hdmi-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek High Definition Multimedia Interface (HDMI) PHYbinding for mt8195 + +maintainers: + - Chun-Kuang Hu [off-list ref] + - Philipp Zabel [off-list ref] + - Chunfeng Yun [off-list ref] + +description: | + The HDMI PHY serializes the HDMI encoder's three channel 10-bit parallel + output and drives the HDMI pads. + +properties: + $nodename: + pattern: "^hdmi-phy@[0-9a-f]+$" + + compatible: + - const: mediatek,mt8195-hdmi-phy + + reg: + maxItems: 1 + + clocks: + items: + - description: PLL reference clock + + clock-names: + items: + - const: hdmi_xtal_sel
No need prefix "hdmi_", After you merge mt8195-hdmi-phy driver into phy-mtk-hdmi.c, this binding will also be merged into mediatek,hdmi-phy.yaml as suggested by Chun-Kuang. Thanks a lot
+
+ clock-output-names:
+ items:
+ - const: hdmi_txpll
+
+ "#phy-cells":
+ const: 0
+
+ "#clock-cells":
+ const: 0
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - clock-output-names
+ - "#phy-cells"
+ - "#clock-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ hdmi_phy: hdmi-phy@11d5f000 {
+ compatible = "mediatek,mt8195-hdmi-phy";
+ reg = <0 0x11d5f000 0 0x100>;
+ clocks = <&topckgen 77>;
+ clock-names = "hdmi_xtal_sel";
+ clock-output-names = "hdmi_txpll";
+ #clock-cells = <0>;
+ #phy-cells = <0>;
+ };
+
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