linux-kernel - [PATCH v4 1/2] dt-bindings: phy: intel-emmc-phy: Add YAML schema for LGM eMMC PHY

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Message-Id: <20190822102843.47964-1-vadivel.muruganx.ramuthevar@linux.intel.com>
Date:   Thu, 22 Aug 2019 18:28:42 +0800
From:   "Ramuthevar,Vadivel MuruganX" 
        <vadivel.muruganx.ramuthevar@...ux.intel.com>
To:     kishon@...com, robh@...nel.org
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        andriy.shevchenko@...el.com, cheol.yong.kim@...el.com,
        qi-ming.wu@...el.com, peter.harliman.liem@...el.com,
        Ramuthevar Vadivel Murugan 
        <vadivel.muruganx.ramuthevar@...ux.intel.com>
Subject: [PATCH v4 1/2] dt-bindings: phy: intel-emmc-phy: Add YAML schema for LGM eMMC PHY

From: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>

Add a YAML schema to use the host controller driver with the
eMMC PHY on Intel's Lightning Mountain SoC.

Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>
---
changes in v4:
  - As per Rob's review: validate 5.2 and 5.3
  - drop unrelated items.

changes in v3:
  - resolve 'make dt_binding_check' warnings

changes in v2:
  As per Rob Herring review comments, the following updates
 - change GPL-2.0 -> (GPL-2.0-only OR BSD-2-Clause)
 - filename is the compatible string plus .yaml
 - LGM: Lightning Mountain
 - update maintainer
 - add intel,syscon under property list
 - keep one example instead of two
---
 .../bindings/phy/intel,lgm-emmc-phy.yaml           | 50 ++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml

diff --git a/Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml b/Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml
new file mode 100644
index 000000000000..16c27e817665
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/intel,lgm-emmc-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Intel Lightning Mountain(LGM) eMMC PHY Device Tree Bindings
+
+maintainers:
+  - Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>
+
+description: Binding for eMMC PHY
+
+properties:
+  compatible:
+    const: intel,lgm-emmc-phy
+
+  intel,syscon:
+    description: phandle to the emmc through syscon
+    $ref: '/schemas/types.yaml#/definitions/phandle'
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    maxItems: 1
+
+  "#phy-cells":
+    const: 0
+
+required:
+  - "#phy-cells"
+  - compatible
+  - intel,syscon
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    emmc_phy: emmc_phy {
+        compatible = "intel,lgm-emmc-phy";
+        intel,syscon = <&sysconf>;
+        clocks = <&emmc>;
+        clock-names = "emmcclk";
+        #phy-cells = <0>;
+    };
+
+...
-- 
2.11.0