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-rw-r--r--arch/arm/include/asm/arch-rockchip/clock.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/clock.h b/arch/arm/include/asm/arch-rockchip/clock.h
new file mode 100644
index 0000000..2e5ba86
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/clock.h
@@ -0,0 +1,45 @@
+/*
+ * (C) Copyright 2015 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef _ASM_ARCH_CLOCK_H
+#define _ASM_ARCH_CLOCK_H
+
+/* define pll mode */
+#define RKCLK_PLL_MODE_SLOW 0
+#define RKCLK_PLL_MODE_NORMAL 1
+
+enum {
+ ROCKCHIP_SYSCON_NOC,
+ ROCKCHIP_SYSCON_GRF,
+ ROCKCHIP_SYSCON_SGRF,
+ ROCKCHIP_SYSCON_PMU,
+};
+
+/* Standard Rockchip clock numbers */
+enum rk_clk_id {
+ CLK_OSC,
+ CLK_ARM,
+ CLK_DDR,
+ CLK_CODEC,
+ CLK_GENERAL,
+ CLK_NEW,
+
+ CLK_COUNT,
+};
+
+static inline int rk_pll_id(enum rk_clk_id clk_id)
+{
+ return clk_id - 1;
+}
+
+/**
+ * rockchip_get_cru() - get a pointer to the clock/reset unit registers
+ *
+ * @return pointer to registers, or -ve error on error
+ */
+void *rockchip_get_cru(void);
+
+#endif