* [PATCH v5] iio: Add device tree support to LPC32xx ADC
@ 2012-04-21 8:10 ` Roland Stigge
0 siblings, 0 replies; 2+ messages in thread
From: Roland Stigge @ 2012-04-21 8:10 UTC (permalink / raw)
To: jic23, gregkh, grant.likely, rob.herring, linux-iio, devel,
linux-kernel, arm, linux-arm-kernel, plagnioj, lars
Cc: Roland Stigge
This patch adds device tree support to the LPC32xx's ADC.
Signed-off-by: Roland Stigge <stigge@antcom.de>
---
Applies to v3.4-rc3
Changes since v4:
* Changed "compatible" strings to non-wildcard versions
Thanks to Jean-Christophe PLAGNIOL-VILLARD, Arnd Bergmann and Lars-Peter
Clausen for reviewing!
Documentation/devicetree/bindings/staging/iio/adc/lpc32xx-adc.txt | 16 ++++++++++
drivers/staging/iio/adc/lpc32xx_adc.c | 10 ++++++
2 files changed, 26 insertions(+)
--- /dev/null
+++ linux-2.6/Documentation/devicetree/bindings/staging/iio/adc/lpc32xx-adc.txt
@@ -0,0 +1,16 @@
+* NXP LPC32xx SoC ADC controller
+
+Required properties:
+- compatible: must be "nxp,lpc3220-adc"
+- reg: physical base address of the controller and length of memory mapped
+ region.
+- interrupts: The ADC interrupt
+
+Example:
+
+ adc@40048000 {
+ compatible = "nxp,lpc3220-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 +222,21 @@ static int __devexit lpc32xx_adc_remove(
return 0;
}
+#ifdef CONFIG_OF
+static const struct of_device_id lpc32xx_adc_match[] = {
+ { .compatible = "nxp,lpc3220-adc" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, lpc32xx_adc_match);
+#endif
+
static struct platform_driver lpc32xx_adc_driver = {
.probe = lpc32xx_adc_probe,
.remove = __devexit_p(lpc32xx_adc_remove),
.driver = {
.name = MOD_NAME,
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(lpc32xx_adc_match),
},
};
^ permalink raw reply [flat|nested] 2+ messages in thread
* [PATCH v5] iio: Add device tree support to LPC32xx ADC
@ 2012-04-21 8:10 ` Roland Stigge
0 siblings, 0 replies; 2+ messages in thread
From: Roland Stigge @ 2012-04-21 8:10 UTC (permalink / raw)
To: linux-arm-kernel
This patch adds device tree support to the LPC32xx's ADC.
Signed-off-by: Roland Stigge <stigge@antcom.de>
---
Applies to v3.4-rc3
Changes since v4:
* Changed "compatible" strings to non-wildcard versions
Thanks to Jean-Christophe PLAGNIOL-VILLARD, Arnd Bergmann and Lars-Peter
Clausen for reviewing!
Documentation/devicetree/bindings/staging/iio/adc/lpc32xx-adc.txt | 16 ++++++++++
drivers/staging/iio/adc/lpc32xx_adc.c | 10 ++++++
2 files changed, 26 insertions(+)
--- /dev/null
+++ linux-2.6/Documentation/devicetree/bindings/staging/iio/adc/lpc32xx-adc.txt
@@ -0,0 +1,16 @@
+* NXP LPC32xx SoC ADC controller
+
+Required properties:
+- compatible: must be "nxp,lpc3220-adc"
+- reg: physical base address of the controller and length of memory mapped
+ region.
+- interrupts: The ADC interrupt
+
+Example:
+
+ adc at 40048000 {
+ compatible = "nxp,lpc3220-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 +222,21 @@ static int __devexit lpc32xx_adc_remove(
return 0;
}
+#ifdef CONFIG_OF
+static const struct of_device_id lpc32xx_adc_match[] = {
+ { .compatible = "nxp,lpc3220-adc" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, lpc32xx_adc_match);
+#endif
+
static struct platform_driver lpc32xx_adc_driver = {
.probe = lpc32xx_adc_probe,
.remove = __devexit_p(lpc32xx_adc_remove),
.driver = {
.name = MOD_NAME,
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(lpc32xx_adc_match),
},
};
^ permalink raw reply [flat|nested] 2+ messages in thread
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2012-04-21 8:10 ` Roland Stigge
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