Add samsung specific changes

include/linux/qpnp/qti-pwm.h

@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef _QTI_PWM_H
+#define _QTI_PWM_H
+
+#include <linux/bitops.h>
+#include <linux/errno.h>
+#include <linux/pwm.h>
+#include <linux/types.h>
+
+/**
+ * enum pwm_output_type - output type of the PWM signal
+ * @PWM_OUTPUT_FIXED: PWM output is fixed until a change request
+ * @PWM_OUTPUT_MODULATED: PWM output is modulated in hardware
+ * autonomously with a predefined pattern
+ */
+enum pwm_output_type {
+	PWM_OUTPUT_FIXED = BIT(0),
+	PWM_OUTPUT_MODULATED = BIT(1),
+};
+
+#if IS_ENABLED(CONFIG_PWM_QTI_LPG)
+int qpnp_lpg_pwm_get_output_types_supported(struct pwm_device *pwm);
+int qpnp_lpg_pwm_set_output_type(struct pwm_device *pwm,
+					enum pwm_output_type output_type);
+#else
+static inline int
+qpnp_lpg_pwm_get_output_types_supported(struct pwm_device *pwm)
+{
+	return -EINVAL;
+}
+static inline int qpnp_lpg_pwm_set_output_type(struct pwm_device *pwm,
+					enum pwm_output_type output_type)
+{
+	return -EINVAL;
+}
+#endif
+
+#endif