[RFC PATCH 04/11] OMAP: Add early device for system control module
From: Eduardo Valentin <hidden>
Date: 2012-05-25 08:25:54
Also in:
linux-arm-kernel, linux-omap
Subsystem:
arm port, omap2+ support, the rest · Maintainers:
Russell King, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds
This is a way to add an early device for system control module. the code is also requesting for driver registration and probing. Done at early_initcall because at that time, ioremapping is possible. Signed-off-by: Eduardo Valentin <redacted> --- arch/arm/mach-omap2/devices.c | 29 +++++++++++++++++++++++++++++ 1 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 9332673..58cc5c3 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c@@ -40,6 +40,35 @@ #define L3_MODULES_MAX_LEN 12 #define L3_MODULES 3 +static struct resource control_resources[] = { + [0] = { + .start = 0x4a002000, + .end = 0x4a0027ff, + .flags = IORESOURCE_MEM, + }, +}; +static struct platform_device control_device = { + .name = "omap-control-core", + .id = 0, + .resource = control_resources, + .num_resources = ARRAY_SIZE(control_resources), +}; + +static struct platform_device *early_devices[] __initdata = { + &control_device, +}; + +static int __init plat_early_device_setup(void) +{ + early_platform_add_devices(early_devices, + ARRAY_SIZE(early_devices)); + early_platform_driver_register_all("early_omap_control"); + early_platform_driver_probe("early_omap_control", 1, false); + + return 0; +} +early_initcall(plat_early_device_setup); + static int omap_init_control(void) { struct omap_hwmod *oh;
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1.7.7.1.488.ge8e1c