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Message-Id: <1454484133-1159-1-git-send-email-shawn.lin@rock-chips.com>
Date: Wed, 3 Feb 2016 15:22:13 +0800
From: Shawn Lin <shawn.lin@...k-chips.com>
To: Kishon Vijay Abraham I <kishon@...com>
Cc: linux-kernel@...r.kernel.org, Shawn Lin <shawn.lin@...k-chips.com>
Subject: [PATCH v3 1/2] 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@...k-chips.com>
---
Changes in v3: None
Changes in v2: None
.../devicetree/bindings/phy/rockchip-emmc-phy.txt | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
create mode 100644 Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt
diff --git a/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt b/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt
new file mode 100644
index 0000000..61916f1
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt
@@ -0,0 +1,19 @@
+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>;
+};
--
2.3.7
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