linux-kernel - [RESEND PATCH 2/6] Documentation: bindings: add dt doc for Rockchip USB Type-C PHY

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Message-Id: <1464345942-4795-3-git-send-email-zyw@rock-chips.com>
Date:	Fri, 27 May 2016 18:45:38 +0800
From:	Chris Zhong <zyw@...k-chips.com>
To:	dianders@...omium.org, tfiga@...omium.org, heiko@...ech.de,
	yzq@...k-chips.com
Cc:	linux-rockchip@...ts.infradead.org,
	Chris Zhong <zyw@...k-chips.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [RESEND PATCH 2/6] Documentation: bindings: add dt doc for Rockchip USB Type-C PHY

This patch adds a binding that describes the Rockchip USB Type-C PHY
for rk3399.

Signed-off-by: Chris Zhong <zyw@...k-chips.com>
---

 .../devicetree/bindings/phy/phy-rockchip-typec.txt | 55 ++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt

diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt b/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
new file mode 100644
index 0000000..402f667
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
@@ -0,0 +1,55 @@
+ROCKCHIP type-c PHY
+
+Required properties:
+ - compatible: should be "rockchip,rk3399-typec-phy"
+ - reg : Address and length of the usb phy control register set
+ - rockchip,grf : phandle to the syscon managing the "general
+   register files"
+ - clocks : phandle + clock specifier for the phy clocks
+ - clock-names: string, clock name, must be "tcpdcore", "tcpdphy_ref";
+ - resets : a list of phandle + reset specifier pairs
+ - reset-names : string reset name, must be:
+		 "tcphy_rst", "tcphy_pipe_rst", "uphy_tcphy_rst"
+ - #phy-cells: Must be 0.  See ./phy-bindings.txt for details.
+ - rockchip,usb3phy*: phy registers embed in grf
+
+Example:
+	tcphy0: phy@...c0000 {
+		compatible = "rockchip,rk3399-typec-phy";
+		reg = <0x0 0xff7c0000 0x0 0x40000>;
+		#phy-cells = <0>;
+		rockchip,grf = <&grf>;
+		clocks = <&cru SCLK_UPHY0_TCPDCORE>,
+			 <&cru SCLK_UPHY0_TCPDPHY_REF>;
+		clock-names = "tcpdcore", "tcpdphy_ref";
+		resets = <&cru SRST_UPHY0>,
+			 <&cru SRST_UPHY0_PIPE_L00>,
+			 <&cru SRST_P_UPHY0_TCPHY>;
+		reset-names = "tcphy_rst", "tcphy_pipe_rst", "uphy_tcphy_rst";
+		rockchip,usb3phy_con0 = <0x0e580 0 16>;
+		rockchip,usb3phy_con1 = <0x0e584 0 16>;
+		rockchip,usb3phy_con2 = <0x0e588 0 16>;
+		rockchip,usb3phy_status0 = <0x0e5c0 0 13>;
+		rockchip,usb3phy_status1 = <0x0e5c4 0 12>;
+		status = "disabled";
+	};
+
+	tcphy1: phy@...00000 {
+		compatible = "rockchip,rk3399-typec-phy";
+		reg = <0x0 0xff800000 0x0 0x40000>;
+		#phy-cells = <0>;
+		rockchip,grf = <&grf>;
+		clocks = <&cru SCLK_UPHY1_TCPDCORE>,
+			 <&cru SCLK_UPHY1_TCPDPHY_REF>;
+		clock-names = "tcpdcore", "tcpdphy_ref";
+		resets = <&cru SRST_UPHY1>,
+		         <&cru SRST_UPHY1_PIPE_L00>,
+			 <&cru SRST_P_UPHY1_TCPHY>;
+		reset-names = "tcphy_rst", "tcphy_pipe_rst", "uphy_tcphy_rst";
+		rockchip,usb3phy_con0 = <0x0e58c 0 16>;
+		rockchip,usb3phy_con1 = <0x0e590 0 16>;
+		rockchip,usb3phy_con2 = <0x0e594 0 16>;
+		rockchip,usb3phy_status0 = <0x0e5c0 16 13>;
+		rockchip,usb3phy_status1 = <0x0e5c4 16 12>;
+		status = "disabled";
+	};
-- 
2.6.3