From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Wed, 13 Jun 2012 17:08:24 +0100 Subject: [PATCH 3/3] Documentation: Device Tree binding information for i2c-nomadik driver In-Reply-To: References: <1339428307-3850-1-git-send-email-lee.jones@linaro.org> <1339428307-3850-10-git-send-email-lee.jones@linaro.org> Message-ID: <4FD8BAF8.10806@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Lee Jones Date: Wed, 13 Jun 2012 17:00:02 +0100 Subject: [PATCH 3/3] Documentation: Device Tree binding information for i2c-nomadik driver This document describes each of the non-standard Device Tree bindings used in the Nomadik I2C driver. Signed-off-by: Lee Jones --- Documentation/devicetree/bindings/i2c/nomadik.txt | 33 +++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/nomadik.txt diff --git a/Documentation/devicetree/bindings/i2c/nomadik.txt b/Documentation/devicetree/bindings/i2c/nomadik.txt new file mode 100644 index 0000000..18cea18 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/nomadik.txt @@ -0,0 +1,33 @@ +I2C for Nomadik based systems + +Required (non-standard) properties: + - Nil + +Recommended (non-standard) properties: + - clock-frequency : Maximum bus clock frequency for the device + - stericsson,slsu : Data line delay + - stericsson,tft : Tx FIFO threshold + - stericsson,rft : Rx FIFO threshold + - stericsson,timeout : Slave response timeout(ms) + - stericsson,i2c_freq_mode_fast : I2C fast mode (omit for standard mode) + +Optional (non-standard) properties: + - Nil + +Example : + +i2c at 80004000 { + compatible = "stericsson,db8500-i2c", "st,nomadik-i2c"; + reg = <0x80004000 0x1000>; + interrupts = <0 21 0x4>; + #address-cells = <1>; + #size-cells = <0>; + v-i2c-supply = <&db8500_vape_reg>; + + clock-frequency = <100000>; + stericsson,slsu = <0xe>; + stericsson,tft = <1>; + stericsson,rft = <8>; + stericsson,timeout = <200>; + stericsson,i2c_freq_mode_fast; +}; -- 1.7.9.5