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[U-Boot,v2,11/17] rockchip: rk3036: Add a simple syscon driver

Message ID 1446641620-11049-12-git-send-email-hl@rock-chips.com
State Superseded
Delegated to: Simon Glass
Headers show

Commit Message

Lin Huang Nov. 4, 2015, 12:53 p.m. UTC 
Add a driver that provides access to system controllers

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1:
- clean copyright announcement
Changes in v2:
- only build syscon_rk3036.c on NON-SPL stage

 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
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Patch

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,
+};