[PATCH 2/7] dt-bindings: mmc: Add Actions Semi SD/MMC/SDIO controller binding
From: Manivannan Sadhasivam <hidden>
Date: 2019-06-08 19:53:56
Also in:
linux-clk, linux-devicetree, linux-mmc, lkml
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Ulf Hansson, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add devicetree binding for Actions Semi Owl SoC's SD/MMC/SDIO controller. Signed-off-by: Manivannan Sadhasivam <redacted> --- .../devicetree/bindings/mmc/owl-mmc.txt | 37 +++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/owl-mmc.txt
diff --git a/Documentation/devicetree/bindings/mmc/owl-mmc.txt b/Documentation/devicetree/bindings/mmc/owl-mmc.txt
new file mode 100644
index 000000000000..a702f8d66cec
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/owl-mmc.txt@@ -0,0 +1,37 @@ +Actions Semi Owl SoCs SD/MMC/SDIO controller + +Required properties: +- compatible: should be "actions,owl-mmc" +- reg: offset and length of the register set for the device. +- interrupts: single interrupt specifier. +- clocks: single clock specifier of the controller clock. +- resets: phandle to the reset line. +- dma-names: should be "mmc". +- dmas: single DMA channel specifier + +Optional properties: +- pinctrl-names: pinctrl state names "default" must be defined. +- pinctrl-0: phandle referencing pin configuration of the controller. +- bus-width: see mmc.txt +- cap-sd-highspeed: see mmc.txt +- cap-mmc-highspeed: see mmc.txt +- sd-uhs-sdr12: see mmc.txt +- sd-uhs-sdr25: see mmc.txt +- sd-uhs-sdr50: see mmc.txt +- non-removable: see mmc.txt + +Example: + + mmc0: mmc@e0330000 { + compatible = "actions,owl-mmc"; + reg = <0x0 0xe0330000 0x0 0x4000>; + interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cmu CLK_SD0>; + resets = <&cmu RESET_SD0>; + dmas = <&dma 2>; + dma-names = "mmc"; + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_default>; + bus-width = <4>; + cap-sd-highspeed; + };
--
2.17.1
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