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| author | Roland Stigge <stigge@antcom.de> | 2012-04-20 23:02:49 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-04-20 23:05:09 -0700 |
| commit | 5cb727a86780fcac34de871cd12bea3f744d6be2 (patch) | |
| tree | 509de157fe3afc5bc7cbab08540bba6f4f18a9ad | |
| parent | b5e9528bd19c6a3379aac468186f41d2bda48b04 (diff) | |
| download | linux-5cb727a86780fcac34de871cd12bea3f744d6be2.tar.gz linux-5cb727a86780fcac34de871cd12bea3f744d6be2.tar.xz | |
Input: lpc32xx_ts - add device tree support
This change implements device tree support for the LPC32xx SoC's touchscreen
controller.
Signed-off-by: Roland Stigge <stigge@antcom.de>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| -rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/lpc32xx-tsc.txt | 16 | ||||
| -rw-r--r-- | drivers/input/touchscreen/lpc32xx_ts.c | 10 |
2 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/lpc32xx-tsc.txt b/Documentation/devicetree/bindings/input/touchscreen/lpc32xx-tsc.txt new file mode 100644 index 000000000000..d0c68e33de3a --- /dev/null +++ b/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>; + }; diff --git a/drivers/input/touchscreen/lpc32xx_ts.c b/drivers/input/touchscreen/lpc32xx_ts.c index afcd0691ec67..e8fccbc452db 100644 --- a/drivers/input/touchscreen/lpc32xx_ts.c +++ b/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_ts_pm_ops = { #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_driver = { .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); |