Hello. On 08/28/2013 05:59 PM, George Cherian wrote:
Add -extcon nodes for USB ID pin detection. -i2c nodes. -pcf nodes to which USB ID pin is connected.
Signed-off-by: George Cherian <george.cherian@xxxxxx> --- arch/arm/boot/dts/dra7-evm.dts | 52 +++++++++++++++++++++++++++++++++++++++++- 1 file changed, 51 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts index acd3c09..9ee97c0 100644 --- a/arch/arm/boot/dts/dra7-evm.dts +++ b/arch/arm/boot/dts/dra7-evm.dts @@ -17,6 +17,17 @@ device_type = "memory"; reg = <0x80000000 0x60000000>; /* 1536 MB */ }; + + extcon1: gpio_usbvid_extcon1 { + compatible = "ti,gpio-usb-id"; + gpios = <&pcf_21 1 0>; + }; + + extcon2: gpio_usbvid_extcon2 { + compatible = "ti,gpio-usb-id"; + gpios = <&pcf_21 2 0>; + }; + }; &dra7_pmx_core { @@ -33,10 +44,49 @@ }; }; +&i2c1 { + clock-frequency = <400000>; + + pcf_20: pcf8575@20 {
Acorrding to the ePAPR spec [1], "the name of a node should be somewhat generic, reflecting the function of the device and not its precise programming model. If appropriate, the name should be one of the following choices:
[...] - gpio [...]"
+ compatible = "ti,pcf8575"; + reg = <0x20>; + n_latch = <0x4000>; + gpio-controller; + #gpio-cells = <2>; + interrupt-parent = <&gpio6>; + interrupts = <11 2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + pcf_21: pcf8575@21 {
Same comment here.
+ compatible = "ti,pcf8575"; + reg = <0x21>; + n_latch = <0x1408>; + gpio-controller; + #gpio-cells = <2>; + interrupt-parent = <&pcf_20>; + interrupts = <14 2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + +}; +
[1] http://www.power.org/resources/downloads/Power_ePAPR_APPROVED_v1.0.pdf WBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html