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AJvYcCX7+gNYazig2e+jSJ0wFEgUhCsSBK+w7SdiFWNUGfclwcz6PmZ/ZH3hD0F6WBZHndxVI+miLIJmxpVfG9TD1qzeWw54IM4NHApsGJReWO0hMwJs9iRhLELZzEOKcBWvERFOqsDBZ8i6nV6//fVir+nmHv79quVypVE= X-Gm-Message-State: AOJu0Yxp4VV1Qcjnt8WcfLW30R8MDy9KQYBNKCnz8UzACXsyzAFJ8wo8 he3ZofjVqgT9zK4C2CSBk3wtNdiygaI5smuJERaJsfe8iGPS3jjOrRk9KIKd X-Google-Smtp-Source: AGHT+IHebA6zUpF1OzPjp9lAJ5eM6arVSXRTaiJFDOXPT4G11C9bXRMGbkEWnrg5Ozkc/q2yoyktKA== X-Received: by 2002:a17:903:2281:b0:1f7:126:5bab with SMTP id d9443c01a7336-1f83b6ca36emr41855705ad.40.1718269227364; Thu, 13 Jun 2024 02:00:27 -0700 (PDT) Received: from shresth-aspirea71576g.abesec.ac.in ([139.5.197.147]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1f855ee6a7bsm8575765ad.159.2024.06.13.02.00.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Jun 2024 02:00:26 -0700 (PDT) From: Shresth Prasad To: vkoul@kernel.org, kishon@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heiko@sntech.de, sebastian.reichel@collabora.com, s.hauer@pengutronix.de, cristian.ciocaltea@collabora.com, andy.yan@rock-chips.com Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, skhan@linuxfoundation.org, javier.carrasco.cruz@gmail.com, Shresth Prasad Subject: [PATCH v3] dt-bindings: phy: rockchip-emmc-phy: Convert to dtschema Date: Thu, 13 Jun 2024 14:28:13 +0530 Message-ID: <20240613085812.4020-2-shresthprasad7@gmail.com> X-Mailer: git-send-email 2.45.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240613_020030_885232_34E70CAE X-CRM114-Status: GOOD ( 16.34 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Convert txt bindings of Rockchip EMMC PHY to dtschema to allow for validation. Signed-off-by: Shresth Prasad --- Changes in v3: - fix `reg` in example being too long Tested against `rockchip/rk3399-firefly.dtb`, `rockchip/rk3399-orangepi.dtb` and `rockchip/rk3399-pinebook-pro.dtb`. .../bindings/phy/rockchip,emmc-phy.yaml | 79 +++++++++++++++++++ .../bindings/phy/rockchip-emmc-phy.txt | 43 ---------- .../devicetree/bindings/soc/rockchip/grf.yaml | 2 +- 3 files changed, 80 insertions(+), 44 deletions(-) create mode 100644 Documentation/devicetree/bindings/phy/rockchip,emmc-phy.yaml delete mode 100644 Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt diff --git a/Documentation/devicetree/bindings/phy/rockchip,emmc-phy.yaml b/Documentation/devicetree/bindings/phy/rockchip,emmc-phy.yaml new file mode 100644 index 000000000000..85d74b343991 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/rockchip,emmc-phy.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/rockchip,emmc-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip EMMC PHY + +maintainers: + - Shresth Prasad + +properties: + "#phy-cells": + const: 0 + + compatible: + const: rockchip,rk3399-emmc-phy + + reg: + description: + PHY register address offset and length in "general register files" + maxItems: 1 + + clock-names: + description: | + Although this is not a required property (because most boards can get + basic functionality without having access to it), it is strongly + suggested. + const: emmcclk + + clocks: + description: + Should have a phandle to the card clock exported by the SDHCI driver. + maxItems: 1 + + drive-impedance-ohm: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Specifies the drive impedance in Ohm. + enum: [33, 40, 50, 66, 100] + default: 50 + + rockchip,enable-strobe-pulldown: + type: boolean + description: | + Enable internal pull-down for the strobe + line. If not set, pull-down is not used. + + rockchip,output-tapdelay-select: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Specifies the phyctrl_otapdlysec register. + default: 0x4 + maximum: 0xf + +required: + - "#phy-cells" + - compatible + - reg + +additionalProperties: false + +examples: + - | + grf: syscon@ff770000 { + compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd"; + reg = <0xff770000 0x10000>; + #address-cells = <1>; + #size-cells = <1>; + + emmcphy: phy@f780 { + #phy-cells = <0>; + compatible = "rockchip,rk3399-emmc-phy"; + reg = <0xf780 0x20>; + clocks = <&sdhci>; + clock-names = "emmcclk"; + drive-impedance-ohm = <50>; + }; + }; diff --git a/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt b/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt deleted file mode 100644 index 57d28c0d5696..000000000000 --- a/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt +++ /dev/null @@ -1,43 +0,0 @@ -Rockchip EMMC PHY ------------------------ - -Required properties: - - compatible: rockchip,rk3399-emmc-phy - - #phy-cells: must be 0 - - reg: PHY register address offset and length in "general - register files" - -Optional properties: - - clock-names: Should contain "emmcclk". Although this is listed as optional - (because most boards can get basic functionality without having - access to it), it is strongly suggested. - See ../clock/clock-bindings.txt for details. - - clocks: Should have a phandle to the card clock exported by the SDHCI driver. - - drive-impedance-ohm: Specifies the drive impedance in Ohm. - Possible values are 33, 40, 50, 66 and 100. - If not set, the default value of 50 will be applied. - - rockchip,enable-strobe-pulldown: Enable internal pull-down for the strobe - line. If not set, pull-down is not used. - - rockchip,output-tapdelay-select: Specifies the phyctrl_otapdlysec register. - If not set, the register defaults to 0x4. - Maximum value 0xf. - -Example: - - -grf: syscon@ff770000 { - compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd"; - #address-cells = <1>; - #size-cells = <1>; - -... - - emmcphy: phy@f780 { - compatible = "rockchip,rk3399-emmc-phy"; - reg = <0xf780 0x20>; - clocks = <&sdhci>; - clock-names = "emmcclk"; - drive-impedance-ohm = <50>; - #phy-cells = <0>; - }; -}; diff --git a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml index 79798c747476..1f88416657cc 100644 --- a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml +++ b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml @@ -178,7 +178,7 @@ allOf: patternProperties: "phy@[0-9a-f]+$": description: - Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt + Documentation/devicetree/bindings/phy/rockchip,emmc-phy.yaml - if: properties: