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SubjectRe: [PATCH 2/4] input: Device tree support for LPC32xx touchscreen
* Roland Stigge wrote:
> This patch adds device tree support for the LPC32xx SoC's touchscreen
> controller.
>
> Signed-off-by: Roland Stigge <stigge@antcom.de>
>
> ---
>
> Applies to v3.4-rc2
>
> Documentation/devicetree/bindings/input/touchscreen/lpc32xx-tsc.txt | 16 ++++++++++
> drivers/input/touchscreen/lpc32xx_ts.c | 10 ++++++
> 2 files changed, 26 insertions(+)
>
> --- /dev/null
> +++ linux-2.6/Documentation/devicetree/bindings/input/touchscreen/lpc32xx-tsc.txt
> @@ -0,0 +1,16 @@
> +* NXP LPC32xx SoC Touchscreen Controller (TSC)
> +
> +Required properties:
> +- compatible: must be "nxp,lpc32xx-tsc"
> +- reg: physical base address of the controller and length of memory mapped
> + region.
> +- interrupts: The TSC/ADC interrupt
> +
> +Example:
> +
> + tsc@40048000 {
> + compatible = "nxp,lpc32xx-tsc";
> + reg = <0x40048000 0x1000>;
> + interrupt-parent = <&mic>;
> + interrupts = <39 0>;
> + };
> --- linux-2.6.orig/drivers/input/touchscreen/lpc32xx_ts.c
> +++ linux-2.6/drivers/input/touchscreen/lpc32xx_ts.c
> @@ -22,6 +22,7 @@
> #include <linux/clk.h>
> #include <linux/io.h>
> #include <linux/slab.h>
> +#include <linux/of.h>
>
> /*
> * Touchscreen controller register offsets
> @@ -383,6 +384,14 @@ static const struct dev_pm_ops lpc32xx_t
> #define LPC32XX_TS_PM_OPS NULL
> #endif
>
> +#ifdef CONFIG_OF
> +static struct of_device_id lpc32xx_tsc_of_match[] = {
> + { .compatible = "nxp,lpc32xx-tsc", },
> + { },
> +};
> +MODULE_DEVICE_TABLE(of, lpc32xx_tsc_of_match);
> +#endif
> +
> static struct platform_driver lpc32xx_ts_driver = {
> .probe = lpc32xx_ts_probe,
> .remove = __devexit_p(lpc32xx_ts_remove),
> @@ -390,6 +399,7 @@ static struct platform_driver lpc32xx_ts
> .name = MOD_NAME,
> .owner = THIS_MODULE,
> .pm = LPC32XX_TS_PM_OPS,
> + .of_match_table = of_match_ptr(lpc32xx_tsc_of_match),
> },
> };
> module_platform_driver(lpc32xx_ts_driver);

Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
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