GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
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+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Tegra pulse width frequency modulator definitions
+ *
+ * Copyright (c) 2011 The Chromium OS Authors.
+ */
+
+#ifndef __ASM_ARCH_TEGRA_PWM_H
+#define __ASM_ARCH_TEGRA_PWM_H
+
+/* This is a single PWM channel */
+struct pwm_ctlr {
+	uint control;		/* Control register */
+	uint reserved[3];	/* Space space */
+};
+
+#define PWM_NUM_CHANNELS	4
+
+/* PWM_CONTROLLER_PWM_CSR_0/1/2/3_0 */
+#define PWM_ENABLE_SHIFT	31
+#define PWM_ENABLE_MASK	(0x1 << PWM_ENABLE_SHIFT)
+
+#define PWM_WIDTH_SHIFT	16
+#define PWM_WIDTH_MASK		(0x7FFF << PWM_WIDTH_SHIFT)
+
+#define PWM_DIVIDER_SHIFT	0
+#define PWM_DIVIDER_MASK	(0x1FFF << PWM_DIVIDER_SHIFT)
+
+#endif	/* __ASM_ARCH_TEGRA_PWM_H */