#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,