rockchip: rk3328: add clock driver
Add rk3328 clock driver and cru structure definition.
Signed-off-by: William Zhang <william.zhang@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/mach-rockchip/rk3328/Makefile b/arch/arm/mach-rockchip/rk3328/Makefile
index 8ecf8ee..bbab036 100644
--- a/arch/arm/mach-rockchip/rk3328/Makefile
+++ b/arch/arm/mach-rockchip/rk3328/Makefile
@@ -4,5 +4,6 @@
# SPDX-License-Identifier: GPL-2.0+
#
+obj-y += clk_rk3328.o
obj-y += rk3328.o
obj-y += syscon_rk3328.o
diff --git a/arch/arm/mach-rockchip/rk3328/clk_rk3328.c b/arch/arm/mach-rockchip/rk3328/clk_rk3328.c
new file mode 100644
index 0000000..1205516
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3328/clk_rk3328.c
@@ -0,0 +1,31 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/cru_rk3328.h>
+
+int rockchip_get_clk(struct udevice **devp)
+{
+ return uclass_get_device_by_driver(UCLASS_CLK,
+ DM_GET_DRIVER(rockchip_rk3328_cru), devp);
+}
+
+void *rockchip_get_cru(void)
+{
+ struct rk3328_clk_priv *priv;
+ struct udevice *dev;
+ int ret;
+
+ ret = rockchip_get_clk(&dev);
+ if (ret)
+ return ERR_PTR(ret);
+
+ priv = dev_get_addr_ptr(dev);
+
+ return priv->cru;
+}