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Message-Id: <1592534207-13550-2-git-send-email-hayashi.kunihiko@socionext.com>
Date: Fri, 19 Jun 2020 11:36:46 +0900
From: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To: Kishon Vijay Abraham I <kishon@...com>,
Vinod Koul <vkoul@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org,
Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: [PATCH 1/2] dt-bindings: phy: Add UniPhier AHCI PHY description
Add DT bindings for PHY interface built into ahci controller implemented
in UniPhier SoCs.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
---
.../bindings/phy/socionext,uniphier-ahci-phy.yaml | 76 ++++++++++++++++++++++
1 file changed, 76 insertions(+)
create mode 100644 Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml
diff --git a/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml b/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml
new file mode 100644
index 0000000..9391e2e
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml
@@ -0,0 +1,76 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/socionext,uniphier-ahci-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Socionext UniPhier AHCI PHY
+
+description: |
+ This describes the deivcetree bindings for PHY interfaces built into
+ AHCI controller implemented on Socionext UniPhier SoCs.
+
+maintainers:
+ - Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
+
+properties:
+ compatible:
+ enum:
+ - socionext,uniphier-pxs2-ahci-phy
+ - socionext,uniphier-pxs3-ahci-phy
+
+ reg:
+ description: PHY register region (offset and length)
+
+ "#phy-cells":
+ const: 0
+
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ oneOf:
+ - items: # for PXs2
+ - const: link
+ - items: # for others
+ - const: link
+ - const: phy
+
+ resets:
+ maxItems: 2
+
+ reset-names:
+ - items:
+ - const: link
+ - const: phy
+
+required:
+ - compatible
+ - reg
+ - "#phy-cells"
+ - clocks
+ - clock-names
+ - resets
+ - reset-names
+
+additionalProperties: false
+
+examples:
+ - |
+ ahci-glue@...00000 {
+ compatible = "socionext,uniphier-pxs3-ahci-glue",
+ "simple-mfd";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x65700000 0x100>;
+
+ ahci_phy: phy@10 {
+ compatible = "socionext,uniphier-pxs3-ahci-phy";
+ reg = <0x10 0x10>;
+ #phy-cells = <0>;
+ clock-names = "link", "phy";
+ clocks = <&sys_clk 28>, <&sys_clk 30>;
+ reset-names = "link", "phy";
+ resets = <&sys_rst 28>, <&sys_rst 30>;
+ };
+ };
--
2.7.4
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