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Diffstat (limited to 'drivers/pwm/pwm-lpss.h')
-rw-r--r--drivers/pwm/pwm-lpss.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/pwm/pwm-lpss.h b/drivers/pwm/pwm-lpss.h
index 7a4238ad1fcb..3236be835bd9 100644
--- a/drivers/pwm/pwm-lpss.h
+++ b/drivers/pwm/pwm-lpss.h
@@ -16,13 +16,25 @@
#include <linux/device.h>
#include <linux/pwm.h>
-struct pwm_lpss_chip;
+#define MAX_PWMS 4
+
+struct pwm_lpss_chip {
+ struct pwm_chip chip;
+ void __iomem *regs;
+ const struct pwm_lpss_boardinfo *info;
+ u32 saved_ctrl[MAX_PWMS];
+};
struct pwm_lpss_boardinfo {
unsigned long clk_rate;
unsigned int npwm;
unsigned long base_unit_bits;
bool bypass;
+ /*
+ * On some devices the _PS0/_PS3 AML code of the GPU (GFX0) device
+ * messes with the PWM0 controllers state,
+ */
+ bool other_devices_aml_touches_pwm_regs;
};
struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r,