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-UniPhier SD/eMMC controller
-
-Required properties:
-- compatible: should be one of the following:
- "socionext,uniphier-sd-v2.91" - IP version 2.91
- "socionext,uniphier-sd-v3.1" - IP version 3.1
- "socionext,uniphier-sd-v3.1.1" - IP version 3.1.1
-- reg: offset and length of the register set for the device.
-- interrupts: a single interrupt specifier.
-- clocks: a single clock specifier of the controller clock.
-- reset-names: should contain the following:
- "host" - mandatory for all versions
- "bridge" - should exist only for "socionext,uniphier-sd-v2.91"
- "hw" - should exist if eMMC hw reset line is available
-- resets: a list of reset specifiers, corresponding to the reset-names
-
-Optional properties:
-- pinctrl-names: if present, should contain the following:
- "default" - should exist for all instances
- "uhs" - should exist for SD instance with UHS support
-- pinctrl-0: pin control state for the default mode
-- pinctrl-1: pin control state for the UHS mode
-- dma-names: should be "rx-tx" if present.
- This property can exist only for "socionext,uniphier-sd-v2.91".
-- dmas: a single DMA channel specifier
- This property can exist only for "socionext,uniphier-sd-v2.91".
-- 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
-- cap-mmc-hw-reset: should exist if reset-names contains "hw". see mmc.txt
-- non-removable: see mmc.txt
-
-Example:
-
- sd: sdhc@5a400000 {
- compatible = "socionext,uniphier-sd-v2.91";
- reg = <0x5a400000 0x200>;
- interrupts = <0 76 4>;
- pinctrl-names = "default", "uhs";
- pinctrl-0 = <&pinctrl_sd>;
- pinctrl-1 = <&pinctrl_sd_uhs>;
- clocks = <&mio_clk 0>;
- reset-names = "host", "bridge";
- resets = <&mio_rst 0>, <&mio_rst 3>;
- dma-names = "rx-tx";
- dmas = <&dmac 4>;
- bus-width = <4>;
- cap-sd-highspeed;
- sd-uhs-sdr12;
- sd-uhs-sdr25;
- sd-uhs-sdr50;
- };