[PATCH v2 v2 1/3] dt-bindings: i2c: extend existing opencore bindings.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Add FU540-C000 specific device tree bindings to already
available i2-ocores file. This device is available on
HiFive Unleashed Rev A00 board.

Signed-off-by: Sagar Shrikant Kadam <sagar.kadam@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/i2c/i2c-ocores.txt | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-ocores.txt b/Documentation/devicetree/bindings/i2c/i2c-ocores.txt
index 17bef9a..f6bcf90 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-ocores.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-ocores.txt
@@ -2,6 +2,7 @@ Device tree configuration for i2c-ocores
 
 Required properties:
 - compatible      : "opencores,i2c-ocores" or "aeroflexgaisler,i2cmst"
+                    "sifive,fu540-c000-i2c" or "sifive,i2c0"
 - reg             : bus address start and address range size of device
 - interrupts      : interrupt number
 - clocks          : handle to the controller clock; see the note below.
@@ -67,3 +68,22 @@ or
 			reg = <0x60>;
 		};
 	};
+or
+	/*
+	  An Opencore based I2C node in FU540-C000 chip from SiFive
+	  This chip has a hardware erratum for broken IRQ
+	  so it's recommended not to define interrupt in the device node
+	*/
+	i2c@10030000 {
+			compatible = "sifive,i2c0","sifive,fu540-c000-i2c";
+			reg = <0x0 0x10030000 0x0 0x1000>;
+			reg-names = "i2c-control";
+			clocks = <&tlclk>;
+			clock-frequency = <100000>;
+
+			reg-shift = <2>;
+			reg-io-width = <1>;
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+	};
-- 
1.9.1


-- 
The information transmitted is intended only for the person or entity to 
which it is addressed and may contain confidential and/or privileged 
material. If you are not the intended recipient of this message please do 
not read, copy, use or disclose this communication and notify the sender 
immediately. It should be noted that any review, retransmission, 
dissemination or other use of, or taking action or reliance upon, this 
information by persons or entities other than the intended recipient is 
prohibited.



[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux