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,