On Fri, Dec 09, 2011 at 03:02:38PM +0100, Benoit Cousson wrote:
> Update pandaboard dts file with required clock frequencies
> for the i2c client devices existing on pandaboard.
>
> Add the twl6030 node in i2c1 controller.
>
> This is the minimal support needed to boot OMAP4 boards
> without any crash.
> The support for all the features included in this MFD will be
> added later.
>
> Add a generic i2c EEPROM entry.
>
> Signed-off-by: Benoit Cousson <b-cousson@xxxxxx>
> Cc: Grant Likely <grant.likely@xxxxxxxxxxxx>
Acked-by: Grant Likely <grant.likely@xxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/omap4-panda.dts | 45 +++++++++++++++++++++++++++++++++++++
> 1 files changed, 45 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/boot/dts/omap4-panda.dts b/arch/arm/boot/dts/omap4-panda.dts
> index 9755ad5..b66bcd6 100644
> --- a/arch/arm/boot/dts/omap4-panda.dts
> +++ b/arch/arm/boot/dts/omap4-panda.dts
> @@ -18,3 +18,48 @@
> reg = <0x80000000 0x40000000>; /* 1 GB */
> };
> };
> +
> +&i2c1 {
> + clock-frequency = <400000>;
> +
> + /*
> + * Integrated Power Management Chip
> + * http://www.ti.com/lit/ds/symlink/twl6030.pdf
> + */
> + twl@48 {
> + compatible = "ti,twl6030";
> + reg = <0x48>;
> + /* SPI = 0, IRQ# = 7, 4 = active high level-sensitive */
> + interrupts = <0 7 4>; /* IRQ_SYS_1N cascaded to gic */
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + interrupt-parent = <&gic>;
> +
> + /* twl is a MFD, so it will contain a bunch of sub-ips */
> + rtc {
> + compatible = "ti,twl4030-rtc";
> + interrupts = <11>;
> + };
> + };
> +};
> +
> +&i2c2 {
> + clock-frequency = <400000>;
> +};
> +
> +&i2c3 {
> + clock-frequency = <100000>;
> +
> + /*
> + * Display monitor features are burnt in their EEPROM as EDID data.
> + * The EEPROM is connected as I2C slave device.
> + */
> + eeprom@50 {
> + compatible = "ti,eeprom";
> + reg = <0x50>;
> + };
> +};
> +
> +&i2c4 {
> + clock-frequency = <400000>;
> +};
> --
> 1.7.0.4
>
>
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