1 files changed, 103 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..0eb19ca
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/clock.h
@@ -0,0 +1,103 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * (C) Copyright 2015 Google, Inc
+ */
+
+#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,
+	ROCKCHIP_SYSCON_PMUGRF,
+	ROCKCHIP_SYSCON_PMUSGRF,
+	ROCKCHIP_SYSCON_CIC,
+	ROCKCHIP_SYSCON_MSCH,
+};
+
+/* 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;
+}
+
+struct sysreset_reg {
+	unsigned int glb_srst_fst_value;
+	unsigned int glb_srst_snd_value;
+};
+
+struct softreset_reg {
+        void __iomem *base;
+        unsigned int sf_reset_offset;
+        unsigned int sf_reset_num;
+};
+
+/**
+ * clk_get_divisor() - Calculate the required clock divisior
+ *
+ * Given an input rate and a required output_rate, calculate the Rockchip
+ * divisor needed to achieve this.
+ *
+ * @input_rate:		Input clock rate in Hz
+ * @output_rate:	Output clock rate in Hz
+ * @return divisor register value to use
+ */
+static inline u32 clk_get_divisor(ulong input_rate, uint output_rate)
+{
+	uint clk_div;
+
+	clk_div = input_rate / output_rate;
+	clk_div = (clk_div + 1) & 0xfffe;
+
+	return clk_div;
+}
+
+/**
+ * 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);
+
+/**
+ * rockchip_get_pmucru() - get a pointer to the clock/reset unit registers
+ *
+ * @return pointer to registers, or -ve error on error
+ */
+void *rockchip_get_pmucru(void);
+
+struct rk3288_cru;
+struct rk3288_grf;
+
+void rk3288_clk_configure_cpu(struct rk3288_cru *cru, struct rk3288_grf *grf);
+
+int rockchip_get_clk(struct udevice **devp);
+
+/*
+ * rockchip_reset_bind() - Bind soft reset device as child of clock device
+ *
+ * @pdev: clock udevice
+ * @reg_offset: the first offset in cru for softreset registers
+ * @reg_number: the reg numbers of softreset registers
+ * @return 0 success, or error value
+ */
+int rockchip_reset_bind(struct udevice *pdev, u32 reg_offset, u32 reg_number);
+
+#endif