Add a driver that provides access to system controllers

Signed-off-by: Lin Huang <h...@rock-chips.com>
Acked-by: Simon Glass <s...@chromium.org>
---
Changes in v1:
- clean copyright announcement
Changes in v2:
- only build syscon_rk3036.c on NON-SPL stage
Changes in v3: None
Changes in v4: None
Changes in v5: None

 arch/arm/mach-rockchip/rk3036/Makefile        |  2 +-
 arch/arm/mach-rockchip/rk3036/syscon_rk3036.c | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/mach-rockchip/rk3036/syscon_rk3036.c

diff --git a/arch/arm/mach-rockchip/rk3036/Makefile 
b/arch/arm/mach-rockchip/rk3036/Makefile
index a483347..5d14b95 100644
--- a/arch/arm/mach-rockchip/rk3036/Makefile
+++ b/arch/arm/mach-rockchip/rk3036/Makefile
@@ -6,5 +6,5 @@
 
 ifndef CONFIG_SPL_BUILD
 obj-y += reset_rk3036.o
+obj-y += syscon_rk3036.o
 endif
-
diff --git a/arch/arm/mach-rockchip/rk3036/syscon_rk3036.c 
b/arch/arm/mach-rockchip/rk3036/syscon_rk3036.c
new file mode 100644
index 0000000..965afde
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3036/syscon_rk3036.c
@@ -0,0 +1,21 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <syscon.h>
+#include <asm/arch/clock.h>
+
+static const struct udevice_id rk3036_syscon_ids[] = {
+       { .compatible = "rockchip,rk3036-grf", .data = ROCKCHIP_SYSCON_GRF },
+       { }
+};
+
+U_BOOT_DRIVER(syscon_rk3036) = {
+       .name = "rk3036_syscon",
+       .id = UCLASS_SYSCON,
+       .of_match = rk3036_syscon_ids,
+};
-- 
1.9.1

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