Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-14 15:13:52 +00:00
Code Issues Packages Projects Releases Wiki Activity

MX2: Add SPI devices/resources

Browse Source 
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2008-12-19 14:32:14 +01:00
parent 88b0564717
commit f420db843b
2 changed files with 72 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

68
arch/arm/mach-mx2/devices.c
View File

@ -39,6 +39,74 @@
#include "devices.h"
/*
* SPI master controller
*
* - i.MX1: 2 channel (slighly different register setting)
* - i.MX21: 2 channel
* - i.MX27: 3 channel
*/
static struct resource mxc_spi_resources0[] = {
{
.start = CSPI1_BASE_ADDR,
.end = CSPI1_BASE_ADDR + SZ_4K - 1,
.flags = IORESOURCE_MEM,
}, {
.start = MXC_INT_CSPI1,
.end = MXC_INT_CSPI1,
.flags = IORESOURCE_IRQ,
},
};
static struct resource mxc_spi_resources1[] = {
{
.start = CSPI2_BASE_ADDR,
.end = CSPI2_BASE_ADDR + SZ_4K - 1,
.flags = IORESOURCE_MEM,
}, {
.start = MXC_INT_CSPI2,
.end = MXC_INT_CSPI2,
.flags = IORESOURCE_IRQ,
},
};
#ifdef CONFIG_MACH_MX27
static struct resource mxc_spi_resources2[] = {
{
.start = CSPI3_BASE_ADDR,
.end = CSPI3_BASE_ADDR + SZ_4K - 1,
.flags = IORESOURCE_MEM,
}, {
.start = MXC_INT_CSPI3,
.end = MXC_INT_CSPI3,
.flags = IORESOURCE_IRQ,
},
};
#endif
struct platform_device mxc_spi_device0 = {
.name = "spi_imx",
.id = 0,
.num_resources = ARRAY_SIZE(mxc_spi_resources0),
.resource = mxc_spi_resources0,
};
struct platform_device mxc_spi_device1 = {
.name = "spi_imx",
.id = 1,
.num_resources = ARRAY_SIZE(mxc_spi_resources1),
.resource = mxc_spi_resources1,
};
#ifdef CONFIG_MACH_MX27
struct platform_device mxc_spi_device2 = {
.name = "spi_imx",
.id = 2,
.num_resources = ARRAY_SIZE(mxc_spi_resources2),
.resource = mxc_spi_resources2,
};
#endif
/*
* General Purpose Timer
* - i.MX21: 3 timers

4
arch/arm/mach-mx2/devices.h
View File

@ -23,3 +23,7 @@ extern struct platform_device mxc_otg_udc_device;
extern struct platform_device mxc_otg_host;
extern struct platform_device mxc_usbh1;
extern struct platform_device mxc_usbh2;
extern struct platform_device mxc_spi_device0;
extern struct platform_device mxc_spi_device1;
extern struct platform_device mxc_spi_device2;