On 21:48 Fri 20 Apr , Roland Stigge wrote:
> This patch adds device tree support to the LPC32xx's ADC.
>
> Signed-off-by: Roland Stigge <stigge@xxxxxxxxx>
>
> ---
>
> Applies to v3.4-rc3
>
> Changes since v3:
> * Changed "compatible" strings to non-wildcard versions
>
> Thanks to Arnd Bergmann and Lars-Peter Clausen for reviewing!
>
> Documentation/devicetree/bindings/staging/iio/adc/lpc32xx-adc.txt | 17 ++++++++++
> drivers/staging/iio/adc/lpc32xx_adc.c | 13 +++++++
> 2 files changed, 30 insertions(+)
>
> --- /dev/null
> +++ linux-2.6/Documentation/devicetree/bindings/staging/iio/adc/lpc32xx-adc.txt
> @@ -0,0 +1,17 @@
> +* NXP LPC32xx SoC ADC controller
> +
> +Required properties:
> +- compatible: must be "nxp,lpc3220-adc", "nxp,lpc3230-adc", "nxp,lpc3240-adc"
> + or "nxp,lpc3250-adc"
> +- reg: physical base address of the controller and length of memory mapped
> + region.
> +- interrupts: The ADC interrupt
> +
> +Example:
> +
> + adc@40048000 {
> + compatible = "nxp,lpc3250-adc";
> + reg = <0x40048000 0x1000>;
> + interrupt-parent = <&mic>;
> + interrupts = <39 0>;
> + };
> --- linux-2.6.orig/drivers/staging/iio/adc/lpc32xx_adc.c
> +++ linux-2.6/drivers/staging/iio/adc/lpc32xx_adc.c
> @@ -30,6 +30,7 @@
> #include <linux/clk.h>
> #include <linux/err.h>
> #include <linux/completion.h>
> +#include <linux/of.h>
>
> #include "../iio.h"
> #include "../sysfs.h"
> @@ -221,12 +222,24 @@ static int __devexit lpc32xx_adc_remove(
> return 0;
> }
>
> +#ifdef CONFIG_OF
> +static const struct of_device_id lpc32xx_adc_match[] = {
> + { .compatible = "nxp,lpc3220-adc" },
> + { .compatible = "nxp,lpc3230-adc" },
> + { .compatible = "nxp,lpc3240-adc" },
> + { .compatible = "nxp,lpc3250-adc" },
do you really need to list them all?
if they are all cmpatible just list the first one
Best Regards,
J.
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