linux-kernel - [PATCH v2 1/2] dt-bindings: phy: intel-sdxc-phy: Add YAML schema for LGM SDXC PHY

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Date:   Wed, 28 Aug 2019 20:43:14 +0800
From:   "Ramuthevar,Vadivel MuruganX" 
        <vadivel.muruganx.ramuthevar@...ux.intel.com>
To:     kishon@...com
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        robh@...nel.org, andriy.shevchenko@...el.com,
        cheol.yong.kim@...el.com, qi-ming.wu@...el.com,
        peter.harliman.liem@...el.com,
        vadivel.muruganx.ramuthevar@...ux.intel.com
Subject: [PATCH v2 1/2] dt-bindings: phy: intel-sdxc-phy: Add YAML schema for LGM SDXC PHY

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

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

Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>
---
 .../bindings/phy/intel,lgm-sdxc-phy.yaml           | 52 ++++++++++++++++++++++
 .../devicetree/bindings/phy/intel,syscon.yaml      | 33 ++++++++++++++
 2 files changed, 85 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/intel,lgm-sdxc-phy.yaml
 create mode 100644 Documentation/devicetree/bindings/phy/intel,syscon.yaml

diff --git a/Documentation/devicetree/bindings/phy/intel,lgm-sdxc-phy.yaml b/Documentation/devicetree/bindings/phy/intel,lgm-sdxc-phy.yaml
new file mode 100644
index 000000000000..99647207b414
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/intel,lgm-sdxc-phy.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/intel,lgm-sdxc-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Intel Lightning Mountain(LGM) SDXC PHY Device Tree Bindings
+
+maintainers:
+  - Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>
+
+allOf:
+  - $ref: "intel,syscon.yaml"
+
+description: Binding for SDXC PHY
+
+properties:
+  compatible:
+    const: intel,lgm-sdxc-phy
+
+  intel,syscon:
+    description: phandle to the sdxc through syscon
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    maxItems: 1
+
+  "#phy-cells":
+    const: 0
+
+required:
+  - "#phy-cells"
+  - compatible
+  - intel,syscon
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    sdxc_phy: sdxc_phy {
+        compatible = "intel,lgm-sdxc-phy";
+        intel,syscon = <&sysconf>;
+        clocks = <&sdxc>;
+        clock-names = "sdxcclk";
+        #phy-cells = <0>;
+    };
+
+...
diff --git a/Documentation/devicetree/bindings/phy/intel,syscon.yaml b/Documentation/devicetree/bindings/phy/intel,syscon.yaml
new file mode 100644
index 000000000000..d0b78805e49f
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/intel,syscon.yaml
@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/intel,syscon.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Syscon for eMMC/SDXC PHY Device Tree Bindings
+
+maintainers:
+  - Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>
+
+properties:
+  compatible:
+    const: intel,syscon
+
+  reg:
+    maxItems: 1
+
+  "#reset-cells":
+   const: 1
+
+required:
+  - compatible
+  - reg
+  - "#reset-cells"
+
+examples:
+  - |
+    sysconf: chiptop@...20000 {
+       compatible = "intel,syscon", "syscon";
+       reg = <0xe0020000 0x100>;
+       #reset-cells = <1>;
+    };
-- 
2.11.0