From mboxrd@z Thu Jan 1 00:00:00 1970 From: thor.thayer@linux.intel.com Subject: [PATCH 2/3] Documentation: dt: i2c: Add Altera I2C Controller Date: Tue, 11 Apr 2017 11:02:26 -0500 Message-ID: <1491926547-29510-3-git-send-email-thor.thayer@linux.intel.com> References: <1491926547-29510-1-git-send-email-thor.thayer@linux.intel.com> Return-path: In-Reply-To: <1491926547-29510-1-git-send-email-thor.thayer@linux.intel.com> Sender: linux-i2c-owner@vger.kernel.org To: wsa@the-dreams.de, robh@kernel.org Cc: linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, Thor Thayer List-Id: devicetree@vger.kernel.org From: Thor Thayer Add the documentation to support the Altera I2C Controller. Signed-off-by: Thor Thayer --- .../devicetree/bindings/i2c/i2c-altera.txt | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-altera.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-altera.txt b/Documentation/devicetree/bindings/i2c/i2c-altera.txt new file mode 100644 index 0000000..a67241c --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-altera.txt @@ -0,0 +1,37 @@ +* Altera I2C Controller + +Required properties : + - compatible : should be "altr,sip-i2c" + - reg : Offset and length of the register set for the device + - interrupts : where IRQ is the interrupt number. + - clocks : phandles to input clocks. + - #address-cells = <1>; + - #size-cells = <0>; + +Recommended properties : + - clock-frequency : desired I2C bus clock frequency in Hz. + +Optional properties : + - altr,fifo-size : Size of the RX and TX FIFOs. + - Child nodes conforming to i2c bus binding + +Example : + + i2c@100080000 { + compatible = "altr,sip-i2c"; + reg = <0x00000001 0x00080000 0x00000040>; + interrupt-parent = <&intc>; + interrupts = <0 43 4>; + clocks = <&clk_0>; + clock-frequency = <100000>; + #address-cells = <1>; + #size-cells = <0>; + altr,fifo-size = <4>; + + eeprom@51 { + compatible = "atmel,24c32"; + reg = <0x51>; + pagesize = <32>; + }; + }; + -- 1.9.1