linux-kernel - [PATCH V6 1/6] dt-bindings: phy: add binding for the i.MX8MP HDMI PHY

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Message-ID: <20240226234532.80114-2-aford173@gmail.com>
Date: Mon, 26 Feb 2024 17:45:12 -0600
From: Adam Ford <aford173@...il.com>
To: linux-arm-kernel@...ts.infradead.org,
	linux-phy@...ts.infradead.org
Cc: aford@...conembedded.com,
	Lucas Stach <l.stach@...gutronix.de>,
	Adam Ford <aford173@...il.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: [PATCH V6 1/6] dt-bindings: phy: add binding for the i.MX8MP HDMI PHY

From: Lucas Stach <l.stach@...gutronix.de>

Add a DT binding for the HDMI PHY found on the i.MX8MP SoC.

Signed-off-by: Lucas Stach <l.stach@...gutronix.de>
Signed-off-by: Adam Ford <aford173@...il.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Reviewed-by: Luca Ceresoli <luca.ceresoli@...tlin.com>
---
V6:  No Change

V5:  No Change

V4:  No Change

V3:  Removed mintems at the request of Krzysztof and add his
     reviewed-by

V2:  I (Adam) tried to help move this along, so I took Lucas' patch
     and attempted to apply fixes based on feedback.  I don't have
     all the history, so apologies for that.

     Added phy-cells to the required list and fixed an error due
     to the word 'binding' being in the title.
---
 .../bindings/phy/fsl,imx8mp-hdmi-phy.yaml     | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/fsl,imx8mp-hdmi-phy.yaml

diff --git a/Documentation/devicetree/bindings/phy/fsl,imx8mp-hdmi-phy.yaml b/Documentation/devicetree/bindings/phy/fsl,imx8mp-hdmi-phy.yaml
new file mode 100644
index 000000000000..c43e86a8c2e0
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/fsl,imx8mp-hdmi-phy.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/fsl,imx8mp-hdmi-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX8MP HDMI PHY
+
+maintainers:
+  - Lucas Stach <l.stach@...gutronix.de>
+
+properties:
+  compatible:
+    enum:
+      - fsl,imx8mp-hdmi-phy
+
+  reg:
+    maxItems: 1
+
+  "#clock-cells":
+    const: 0
+
+  clocks:
+    maxItems: 2
+
+  clock-names:
+    items:
+      - const: apb
+      - const: ref
+
+  "#phy-cells":
+    const: 0
+
+  power-domains:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - "#clock-cells"
+  - clocks
+  - clock-names
+  - "#phy-cells"
+  - power-domains
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx8mp-clock.h>
+    #include <dt-bindings/power/imx8mp-power.h>
+
+    phy@...dff00 {
+        compatible = "fsl,imx8mp-hdmi-phy";
+        reg = <0x32fdff00 0x100>;
+        clocks = <&clk IMX8MP_CLK_HDMI_APB>,
+                 <&clk IMX8MP_CLK_HDMI_24M>;
+        clock-names = "apb", "ref";
+        power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_HDMI_TX_PHY>;
+        #clock-cells = <0>;
+        #phy-cells = <0>;
+    };
-- 
2.43.0