rockchip: rk3399: Move rockchip_get_cru() out of the driver

This function is called from outside the driver. It should be placed into
common SoC code. Move it.

Also rename the driver symbol to be more consistent with the other rockchip
clock drivers.

Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Kever Yang <[email protected]>

3 files changed, 40 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-rockchip/cru_rk3399.h b/arch/arm/include/asm/arch-rockchip/cru_rk3399.h
index 6776e484b73..98fba2bd755 100644
--- a/arch/arm/include/asm/arch-rockchip/cru_rk3399.h
+++ b/arch/arm/include/asm/arch-rockchip/cru_rk3399.h
@@ -9,6 +9,12 @@
 
 #include <common.h>
 
+/* Private data for the clock driver - used by rockchip_get_cru() */
+struct rk3399_clk_priv {
+	struct rk3399_cru *cru;
+	ulong rate;
+};
+
 struct rk3399_pmucru {
 	u32 ppll_con[6];
 	u32 reserved[0x1a];
diff --git a/arch/arm/mach-rockchip/rk3399/Makefile b/arch/arm/mach-rockchip/rk3399/Makefile
index 607f9c96129..98ebeac340d 100644
--- a/arch/arm/mach-rockchip/rk3399/Makefile
+++ b/arch/arm/mach-rockchip/rk3399/Makefile
@@ -4,5 +4,6 @@
 # SPDX-License-Identifier:     GPL-2.0+
 #
 
+obj-y += clk_rk3399.o
 obj-y += rk3399.o
 obj-y += syscon_rk3399.o
diff --git a/arch/arm/mach-rockchip/rk3399/clk_rk3399.c b/arch/arm/mach-rockchip/rk3399/clk_rk3399.c
new file mode 100644
index 00000000000..7663591154c
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3399/clk_rk3399.c
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2016 Google, Inc
+ * Written by Simon Glass <[email protected]>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <syscon.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/cru_rk3399.h>
+
+int rockchip_get_clk(struct udevice **devp)
+{
+	return uclass_get_device_by_driver(UCLASS_CLK,
+			DM_GET_DRIVER(rockchip_rk3399_pmuclk), devp);
+}
+
+void *rockchip_get_cru(void)
+{
+	struct rk3399_clk_priv *priv;
+	struct udevice *dev;
+	int ret;
+
+	ret = rockchip_get_clk(&dev);
+	if (ret)
+		return ERR_PTR(ret);
+
+	priv = dev_get_priv(dev);
+
+	return priv->cru;
+}