On Fri, Dec 09, 2011 at 03:02:39PM +0100, Benoit Cousson wrote:
> Update DTS file with required clock frequencies
> for the i2c client devices existing on sdp4430.
>
> Add the twl6030 node inside the i2c1 controller node.
> 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 the RTC submodule inside the twl node.
>
> Add tmp105 temperature sensor in i2c3
> Add bh1780 Ambient Light Sensor in i2c3
> Add hmc5843 3-Axis Digital Compass in i2c4
>
> 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-sdp.dts | 63 +++++++++++++++++++++++++++++++++++++++
> 1 files changed, 63 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/boot/dts/omap4-sdp.dts b/arch/arm/boot/dts/omap4-sdp.dts
> index 63c6b2b..0ab14cb 100644
> --- a/arch/arm/boot/dts/omap4-sdp.dts
> +++ b/arch/arm/boot/dts/omap4-sdp.dts
> @@ -18,3 +18,66 @@
> 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 = <400000>;
> +
> + /*
> + * Temperature Sensor
> + * http://www.ti.com/lit/ds/symlink/tmp105.pdf
> + */
> + tmp105@48 {
> + compatible = "ti,tmp105";
> + reg = <0x48>;
> + };
> +
> + /*
> + * Ambient Light Sensor
> + * http://www.rohm.com/products/databook/sensor/pdf/bh1780gli-e.pdf
> + */
> + bh1780@29 {
> + compatible = "rohm,bh1780";
> + reg = <0x29>;
> + };
> +};
> +
> +&i2c4 {
> + clock-frequency = <400000>;
> +
> + /*
> + * 3-Axis Digital Compass
> + * http://www.sparkfun.com/datasheets/Sensors/Magneto/HMC5843.pdf
> + */
> + hmc5843@1e {
> + compatible = "honeywell,hmc5843";
> + reg = <0x1e>;
> + };
> +};
> --
> 1.7.0.4
>
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