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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-07-14 21:28:25 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-07-14 23:34:46 +0100
commit53ffe3b440aa85af6fc4eda09b2d44bcdd312d4d (patch)
treee3ee2f392c5f73c855367cee998fc2e5774fa267 /include/linux
parentf0006314d37639714da9658cf4ff3f1f9f420764 (diff)
parentcabb352a6455c3550f157909196845f533b0f374 (diff)
[ARM] Merge most of the PXA work for initial merge
This includes PXA work up to the SPI changes for the initial merge, since e172274ccc55d20536fbdceb6131f38e288541e0 depends on the SPI tree being merged. Conflicts: arch/arm/configs/em_x270_defconfig arch/arm/configs/xm_x270_defconfig
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/pwm.h31
-rw-r--r--include/linux/pwm_backlight.h17
2 files changed, 48 insertions, 0 deletions
diff --git a/include/linux/pwm.h b/include/linux/pwm.h
new file mode 100644
index 00000000000..3945f803d51
--- /dev/null
+++ b/include/linux/pwm.h
@@ -0,0 +1,31 @@
+#ifndef __LINUX_PWM_H
+#define __LINUX_PWM_H
+
+struct pwm_device;
+
+/*
+ * pwm_request - request a PWM device
+ */
+struct pwm_device *pwm_request(int pwm_id, const char *label);
+
+/*
+ * pwm_free - free a PWM device
+ */
+void pwm_free(struct pwm_device *pwm);
+
+/*
+ * pwm_config - change a PWM device configuration
+ */
+int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns);
+
+/*
+ * pwm_enable - start a PWM output toggling
+ */
+int pwm_enable(struct pwm_device *pwm);
+
+/*
+ * pwm_disable - stop a PWM output toggling
+ */
+void pwm_disable(struct pwm_device *pwm);
+
+#endif /* __ASM_ARCH_PWM_H */
diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h
new file mode 100644
index 00000000000..7a9754c9677
--- /dev/null
+++ b/include/linux/pwm_backlight.h
@@ -0,0 +1,17 @@
+/*
+ * Generic PWM backlight driver data - see drivers/video/backlight/pwm_bl.c
+ */
+#ifndef __LINUX_PWM_BACKLIGHT_H
+#define __LINUX_PWM_BACKLIGHT_H
+
+struct platform_pwm_backlight_data {
+ int pwm_id;
+ unsigned int max_brightness;
+ unsigned int dft_brightness;
+ unsigned int pwm_period_ns;
+ int (*init)(struct device *dev);
+ int (*notify)(int brightness);
+ void (*exit)(struct device *dev);
+};
+
+#endif