rockchip: rk3288: Add a simple syscon driver

Add a driver that provides access to system controllers. Signed-off-by: Simon Glass <sjg@chromium.org>

rockchip: rk3288: Add a simple syscon driver
Add a driver that provides access to system controllers. Signed-off-by: Simon Glass <sjg@chromium.org>
Simon Glass
1 parent 3c5d0e34f6
Showing 2 changed files with 26 additions and 0 deletions Side-by-side Diff
arch/arm/mach-rockchip/rk3288/Makefile
arch/arm/mach-rockchip/rk3288/syscon_rk3288.c
@@ -5,4 +5,5 @@
 #
  
 obj-y += reset_rk3288.o
+obj-y += syscon_rk3288.o
+/*
+ * Copyright (C) 2015 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ *
+ * 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 rk3288_syscon_ids[] = {
+	{ .compatible = "rockchip,rk3288-noc", .data = ROCKCHIP_SYSCON_NOC },
+	{ .compatible = "rockchip,rk3288-grf", .data = ROCKCHIP_SYSCON_GRF },
+	{ .compatible = "rockchip,rk3288-sgrf", .data = ROCKCHIP_SYSCON_SGRF },
+	{ .compatible = "rockchip,rk3288-pmu", .data = ROCKCHIP_SYSCON_PMU },
+	{ }
+};
+
+U_BOOT_DRIVER(syscon_rk3288) = {
+	.name = "rk3288_syscon",
+	.id = UCLASS_SYSCON,
+	.of_match = rk3288_syscon_ids,
+};
...	...	@@ -5,4 +5,5 @@
5	5	#
6	6
7	7	obj-y += reset_rk3288.o
	8	+obj-y += syscon_rk3288.o
	1	+/*
	2	+ * Copyright (C) 2015 Google, Inc
	3	+ * Written by Simon Glass <sjg@chromium.org>
	4	+ *
	5	+ * SPDX-License-Identifier: GPL-2.0+
	6	+ */
	7	+
	8	+#include <common.h>
	9	+#include <dm.h>
	10	+#include <syscon.h>
	11	+#include <asm/arch/clock.h>
	12	+
	13	+static const struct udevice_id rk3288_syscon_ids[] = {
	14	+ { .compatible = "rockchip,rk3288-noc", .data = ROCKCHIP_SYSCON_NOC },
	15	+ { .compatible = "rockchip,rk3288-grf", .data = ROCKCHIP_SYSCON_GRF },
	16	+ { .compatible = "rockchip,rk3288-sgrf", .data = ROCKCHIP_SYSCON_SGRF },
	17	+ { .compatible = "rockchip,rk3288-pmu", .data = ROCKCHIP_SYSCON_PMU },
	18	+ { }
	19	+};
	20	+
	21	+U_BOOT_DRIVER(syscon_rk3288) = {
	22	+ .name = "rk3288_syscon",
	23	+ .id = UCLASS_SYSCON,
	24	+ .of_match = rk3288_syscon_ids,
	25	+};