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Date: Tue, 30 Jun 2020 17:59:33 +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-kernel@...r.kernel.org, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, Kunihiko Hayashi <hayashi.kunihiko@...ionext.com> Subject: [PATCH v2 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..bab2ff4 --- /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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