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authorShawn Lin <shawn.lin@rock-chips.com>2016-01-05 09:07:14 +0800
committerKishon Vijay Abraham I <kishon@ti.com>2016-03-01 17:13:50 +0530
commit7ed0c9613bcb959f4dd0cd7e44e320e94b6f44de (patch)
tree1ef93be460aa103907dbaed3fc8f35020510b7b7 /Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt
parent58a66dba1beac2121d931cda4682ae4d40816af5 (diff)
downloadleg-kernel-7ed0c9613bcb959f4dd0cd7e44e320e94b6f44de.tar.gz
Documentation: bindings: add dt documentation for Rockchip eMMC PHY
This patch adds a binding that describes the Rockchip eMMC PHYs found on Rockchip SoCs eMMC interface. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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+Rockchip EMMC PHY
+-----------------------
+
+Required properties:
+ - compatible: rockchip,rk3399-emmc-phy
+ - rockchip,grf : phandle to the syscon managing the "general
+ register files"
+ - #phy-cells: must be 0
+ - reg: PHY configure reg address offset in "general
+ register files"
+
+Example:
+
+emmcphy: phy {
+ compatible = "rockchip,rk3399-emmc-phy";
+ rockchip,grf = <&grf>;
+ reg = <0xf780>;
+ #phy-cells = <0>;
+};