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authorKunihiko Hayashi <hayashi.kunihiko@socionext.com>2020-08-25 19:41:10 +0900
committerVinod Koul <vkoul@kernel.org>2020-08-31 17:07:53 +0530
commit728776d751e167e1ceb1f340b06ab6f7c5a342e6 (patch)
treed50ec54d2105186777795e29c01fd553aa37695c
parent23bea1be4eea435af42d9971aef8205b71cf7cd3 (diff)
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@socionext.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/1598352071-26675-2-git-send-email-hayashi.kunihiko@socionext.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
-rw-r--r--Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml76
1 files changed, 76 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml b/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml
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+# 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@socionext.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@65700000 {
+ 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>;
+ };
+ };