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a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE In preparation of supporting the mmc-slot subnode, allow the nodename to be either mmc@ or mmc-slot@ Signed-off-by: Neil Armstrong --- Documentation/devicetree/bindings/mmc/mmc-controller.yaml | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml b/Do= cumentation/devicetree/bindings/mmc/mmc-controller.yaml index 58ae298cd2fc..f797c32ea688 100644 --- a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml +++ b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml @@ -20,7 +20,9 @@ description: | =20 properties: $nodename: - pattern: "^mmc(@.*)?$" + oneOf: + - pattern: "^mmc(@.*)?$" + - pattern: "^slot(@.*)?$" =20 "#address-cells": const: 1 --=20 2.34.1 From nobody Fri Nov 29 11:54:48 2024 Received: from mail-wm1-f47.google.com (mail-wm1-f47.google.com [209.85.128.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3C9863CF6A for ; 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a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE Document the mmc-slot, which is a subnode of a multi-slot MMC controlle, each slot is represented as a full MMC controller, the top node handling all the shared resources and slot mux. Signed-off-by: Neil Armstrong --- .../devicetree/bindings/mmc/mmc-slot.yaml | 40 ++++++++++++++++++= ++++ 1 file changed, 40 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/mmc-slot.yaml b/Document= ation/devicetree/bindings/mmc/mmc-slot.yaml new file mode 100644 index 000000000000..c30eda4fd2a6 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/mmc-slot.yaml @@ -0,0 +1,40 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/mmc-slot.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MMC/SD/SDIO slot of a multi-slot controller + +maintainers: + - Ulf Hansson + +allOf: + - $ref: mmc-controller.yaml + +properties: + compatible: + const: mmc-slot + + reg: + maxItems: 1 + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + mmc-controller { + #address-cells =3D <1>; + #size-cells =3D <0>; + slot@0 { + compatible =3D "mmc-slot"; + reg =3D <0>; + bus-width =3D <4>; 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charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240920-topic-amlogic-arm32-upstream-bindings-fixes-convert-meson-mx-sdio-v2-3-5aa8bdfe01af@linaro.org> References: <20240920-topic-amlogic-arm32-upstream-bindings-fixes-convert-meson-mx-sdio-v2-0-5aa8bdfe01af@linaro.org> In-Reply-To: <20240920-topic-amlogic-arm32-upstream-bindings-fixes-convert-meson-mx-sdio-v2-0-5aa8bdfe01af@linaro.org> To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kevin Hilman , Jerome Brunet , Martin Blumenstingl Cc: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=5098; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=7CJFNsK+RYsiPatWJUwXv7bSU3rHGoSDbNBW/V45qdo=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBm7TRuyUKbSWggrLcYL3U67aC98p+hgvoXseunmRTZ QSonzOGJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCZu00bgAKCRB33NvayMhJ0SxZEA DD/tHmAUJB6hYWVHojaA5NrWqA/Nhi/mZY7G4EnGnwGWzTLVeD3recvdof38Itt1vty9fYc9qrP3na gsszZfV0hOSwZcvJA5SERhRfc4yljd7GjhRuSRBh2C0wzumWXqJm7xcZLxkR+4f/jXGcPaem46tfc0 CSNZ9meAoaRHWFSzCTnQx3F2NPI1SXnyfLkRNJHZMtli0FNwoXbtd4sfW/IUG47YrfjaWvUcG1+yws IqE+8jNZx72J1mCfktuUNB3jC3e9mf2tMAvvGt3AFH5DogngSiZSN6oL3Lh+GNNYmmjENyvota1ryH kOZlHb2J+deIdbL3YbmTmMKpnzVw+FmT1wt81kB1avqCMxEFs1XtpSc+wDyEi5vTrrXSD/GXnMtaFt 9Vc1aFOcxRfQCQl70a98MiR3j/rkFW2+4teKte7lEQ7339p0N4Gz1WkVNiVmK6elb2RqwJ7cfd/tIO mnzJ72REGtGtAhgOSZvUc3pJAIKerQ1U+bFABnqUtu1geaTzNw8zTXg0E+l2PGGRRip1plVIQrrdJt I7QIT2ikwZwuqGYOC3Gu4rVcdmugVx28ghj+5VjM8Cs6EnIfglsavmD3vZdal4C4bem+M6VTpU7+I2 HAo+g5zS5Be191z30RM9QCH/mjcBEvG7BptWhtHO3tJnCumJY1VQuSMNZtjg== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE Convert the Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller bindings to dt-schema. Signed-off-by: Neil Armstrong --- .../bindings/mmc/amlogic,meson-mx-sdio.txt | 54 ------------ .../bindings/mmc/amlogic,meson-mx-sdio.yaml | 96 ++++++++++++++++++= ++++ 2 files changed, 96 insertions(+), 54 deletions(-) diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.tx= t b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt deleted file mode 100644 index 8765c605e6bc..000000000000 --- a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt +++ /dev/null @@ -1,54 +0,0 @@ -* Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller - -The highspeed MMC host controller on Amlogic SoCs provides an interface -for MMC, SD, SDIO and SDHC types of memory cards. - -Supported maximum speeds are the ones of the eMMC standard 4.41 as well -as the speed of SD standard 2.0. - -The hardware provides an internal "mux" which allows up to three slots -to be controlled. Only one slot can be accessed at a time. - -Required properties: - - compatible : must be one of - - "amlogic,meson8-sdio" - - "amlogic,meson8b-sdio" - along with the generic "amlogic,meson-mx-sdio" - - reg : mmc controller base registers - - interrupts : mmc controller interrupt - - #address-cells : must be 1 - - size-cells : must be 0 - - clocks : phandle to clock providers - - clock-names : must contain "core" and "clkin" - -Required child nodes: -A node for each slot provided by the MMC controller is required. -NOTE: due to a driver limitation currently only one slot (=3D child node) - is supported! - -Required properties on each child node (=3D slot): - - compatible : must be "mmc-slot" (see mmc.txt within this directory) - - reg : the slot (or "port") ID - -Optional properties on each child node (=3D slot): - - bus-width : must be 1 or 4 (8-bit bus is not supported) - - for cd and all other additional generic mmc parameters - please refer to mmc.txt within this directory - -Examples: - mmc@c1108c20 { - compatible =3D "amlogic,meson8-sdio", "amlogic,meson-mx-sdio"; - reg =3D <0xc1108c20 0x20>; - interrupts =3D <0 28 1>; - #address-cells =3D <1>; - #size-cells =3D <0>; - clocks =3D <&clkc CLKID_SDIO>, <&clkc CLKID_CLK81>; - clock-names =3D "core", "clkin"; - - slot@1 { - compatible =3D "mmc-slot"; - reg =3D <1>; - - bus-width =3D <4>; - }; - }; diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.ya= ml b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml new file mode 100644 index 000000000000..3b665396169d --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml @@ -0,0 +1,96 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/amlogic,meson-mx-sdio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller + +description: | + The highspeed MMC host controller on Amlogic SoCs provides an interface + for MMC, SD, SDIO and SDHC types of memory cards. + + Supported maximum speeds are the ones of the eMMC standard 4.41 as well + as the speed of SD standard 2.0. + + The hardware provides an internal "mux" which allows up to three slots + to be controlled. Only one slot can be accessed at a time. + +maintainers: + - Neil Armstrong + +properties: + compatible: + items: + - enum: + - amlogic,meson8-sdio + - amlogic,meson8b-sdio + - const: amlogic,meson-mx-sdio + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 2 + + clock-names: + items: + - const: core + - const: clkin + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "slot@[0-2]+$": + $ref: mmc-slot.yaml# + description: + A node for each slot provided by the MMC controller + + properties: + reg: + description: + the slot (or "port") ID + enum: [0, 1, 2] + + bus-width: + enum: [1, 4] + + unevaluatedProperties: false + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +examples: + - | + #include + #include + mmc@c1108c20 { + compatible =3D "amlogic,meson8-sdio", "amlogic,meson-mx-sdio"; + reg =3D <0xc1108c20 0x20>; + interrupts =3D ; + clocks =3D <&clk_core>, <&clk_in>; + clock-names =3D "core", "clkin"; + #address-cells =3D <1>; + #size-cells =3D <0>; + + slot@1 { + compatible =3D "mmc-slot"; + reg =3D <1>; + bus-width =3D <4>; + }; + }; --=20 2.34.1