linux-kernel - [PATCH 2/2] phy: dw-dphy-rx: Add dt bindings for Synopsys MIPI D-PHY RX

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Message-ID: <20250709221724.1276428-2-kpoduval@lab126.com>
Date: Wed, 9 Jul 2025 15:17:24 -0700
From: Karthik Poduval <kpoduval@...126.com>
To: <jyxiong@...zon.com>, <miguel.lopes@...opsys.com>, <anishkmr@...zon.com>,
	<vkoul@...nel.org>, <kishon@...nel.org>, <linux-kernel@...r.kernel.org>,
	<linux-phy@...ts.infradead.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
	<conor+dt@...nel.org>, <devicetree@...r.kernel.org>
CC: Karthik Poduval <kpoduval@...126.com>
Subject: [PATCH 2/2] phy: dw-dphy-rx: Add dt bindings for Synopsys MIPI D-PHY RX

Add DT Bindings for Synopsys D-PHY RX, presently tested on version 1.2

Signed-off-by: Karthik Poduval <kpoduval@...126.com>
---
 .../bindings/phy/snps,dw-dphy-rx.yaml         | 44 +++++++++++++++++++
 MAINTAINERS                                   |  7 +++
 2 files changed, 51 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/snps,dw-dphy-rx.yaml

diff --git a/Documentation/devicetree/bindings/phy/snps,dw-dphy-rx.yaml b/Documentation/devicetree/bindings/phy/snps,dw-dphy-rx.yaml
new file mode 100644
index 000000000000..e986b2872e1c
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/snps,dw-dphy-rx.yaml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/snps,mipi-dphy-rx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Synopsys Designware MIPI D-PHY RX
+
+maintainers:
+  - Karthik Poduval <kpoduval@...126.com>
+  - Jason Xiong <jyxiong@...zon.com>
+  - Miguel Lopes <miguel.lopes@...opsys.com
+
+description: |
+  These are the bindings for Synopsys Designware MIPI DPHY RX phy driver.
+  Currently only supported phy version is v1.2.
+
+properties:
+  compatible:
+    const: snps,dw-dphy-1p2
+
+  '#phy-cells':
+    const: 0
+
+  reg:
+    - minItems: 2
+    - maxItems: 2
+
+required:
+  - compatible
+  - '#phy-cells'
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    dw_dphy_rx: dw-dphy@...000040 {
+        compatible = "snps,dw-dphy-1p2";
+        #phy-cells = <0>;
+        reg = <0x0 0x90000040 0x0 0x20>, <0x0 0x90001000 0x0 0x8>;
+        status = "disabled";
+    };
+
diff --git a/MAINTAINERS b/MAINTAINERS
index b5a472a544cf..5fd5a92431bd 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -24217,6 +24217,13 @@ S:	Maintained
 F:	Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
 F:	drivers/dma/dw-axi-dmac/

+SYNOPSYS DESIGNWARE MIPI D-PHY RX DRIVER
+M:	Karthik Poduval <kpoduval@...126.com>
+M:	Jason Xiong <jyxiong@...zon.com>
+M:	Miguel Lopes <miguel.lopes@...opsys.com>
+S:	Supported
+F:	Documentation/devicetree/bindings/phy/snps,dw-dphy-rx.yaml
+
 SYNOPSYS DESIGNWARE DMAC DRIVER
 M:	Viresh Kumar <vireshk@...nel.org>
 R:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
--
2.43.0