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Date: Tue, 25 Aug 2020 10:13:55 +0200 From: Lars Povlsen <lars.povlsen@...rochip.com> To: Ulf Hansson <ulf.hansson@...aro.org>, Adrian Hunter <adrian.hunter@...el.com>, SoC Team <soc@...nel.org>, Rob Herring <robh+dt@...nel.org> CC: Lars Povlsen <lars.povlsen@...rochip.com>, Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>, <linux-mmc@...r.kernel.org>, <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, Alexandre Belloni <alexandre.belloni@...tlin.com> Subject: [PATCH v5 1/3] dt-bindings: mmc: Add Sparx5 SDHCI controller bindings The Sparx5 SDHCI controller is based on the Designware controller IP. Signed-off-by: Lars Povlsen <lars.povlsen@...rochip.com> --- .../mmc/microchip,dw-sparx5-sdhci.yaml | 65 +++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/microchip,dw-sparx5-sdhci.yaml diff --git a/Documentation/devicetree/bindings/mmc/microchip,dw-sparx5-sdhci.yaml b/Documentation/devicetree/bindings/mmc/microchip,dw-sparx5-sdhci.yaml new file mode 100644 index 000000000000..c9a572863b88 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/microchip,dw-sparx5-sdhci.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/microchip,dw-sparx5-sdhci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip Sparx5 Mobile Storage Host Controller Binding + +allOf: + - $ref: "mmc-controller.yaml" + +maintainers: + - Lars Povlsen <lars.povlsen@...rochip.com> + +# Everything else is described in the common file +properties: + compatible: + const: microchip,dw-sparx5-sdhci + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + description: + Handle to "core" clock for the sdhci controller. + + clock-names: + items: + - const: core + + microchip,clock-delay: + description: Delay clock to card to meet setup time requirements. + Each step increase by 1.25ns. + $ref: "/schemas/types.yaml#/definitions/uint32" + minimum: 1 + maximum: 15 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/microchip,sparx5.h> + sdhci0: mmc0@...800000 { + compatible = "microchip,dw-sparx5-sdhci"; + reg = <0x00800000 0x1000>; + pinctrl-0 = <&emmc_pins>; + pinctrl-names = "default"; + clocks = <&clks CLK_ID_AUX1>; + clock-names = "core"; + assigned-clocks = <&clks CLK_ID_AUX1>; + assigned-clock-rates = <800000000>; + interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>; + bus-width = <8>; + microchip,clock-delay = <10>; + }; -- 2.27.0
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