diff options
Diffstat (limited to 'arch/arm/mach-stmp378x/stmp378x.c')
| -rw-r--r-- | arch/arm/mach-stmp378x/stmp378x.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/arm/mach-stmp378x/stmp378x.c b/arch/arm/mach-stmp378x/stmp378x.c index 9a363fb2acf..ddd49a760fd 100644 --- a/arch/arm/mach-stmp378x/stmp378x.c +++ b/arch/arm/mach-stmp378x/stmp378x.c @@ -19,6 +19,7 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/irq.h> +#include <linux/dma-mapping.h> #include <asm/dma.h> #include <asm/setup.h> @@ -39,6 +40,8 @@ #include <mach/regs-icoll.h> #include <mach/regs-apbh.h> #include <mach/regs-apbx.h> +#include <mach/regs-pxp.h> +#include <mach/regs-i2c.h> #include "stmp378x.h" /* @@ -232,6 +235,64 @@ static struct map_desc stmp378x_io_desc[] __initdata = { }, }; + +static u64 common_dmamask = DMA_BIT_MASK(32); + +/* + * devices that are present only on stmp378x, not on all 3xxx boards: + * PxP + * I2C + */ +static struct resource pxp_resource[] = { + { + .flags = IORESOURCE_MEM, + .start = REGS_PXP_PHYS, + .end = REGS_PXP_PHYS + REGS_PXP_SIZE, + }, { + .flags = IORESOURCE_IRQ, + .start = IRQ_PXP, + .end = IRQ_PXP, + }, +}; + +struct platform_device stmp378x_pxp = { + .name = "stmp3xxx-pxp", + .id = -1, + .dev = { + .dma_mask = &common_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .num_resources = ARRAY_SIZE(pxp_resource), + .resource = pxp_resource, +}; + +static struct resource i2c_resources[] = { + { + .flags = IORESOURCE_IRQ, + .start = IRQ_I2C_ERROR, + .end = IRQ_I2C_ERROR, + }, { + .flags = IORESOURCE_MEM, + .start = REGS_I2C_PHYS, + .end = REGS_I2C_PHYS + REGS_I2C_SIZE, + }, { + .flags = IORESOURCE_DMA, + .start = STMP3XXX_DMA(3, STMP3XXX_BUS_APBX), + .end = STMP3XXX_DMA(3, STMP3XXX_BUS_APBX), + }, +}; + +struct platform_device stmp378x_i2c = { + .name = "i2c_stmp3xxx", + .id = 0, + .dev = { + .dma_mask = &common_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = i2c_resources, + .num_resources = ARRAY_SIZE(i2c_resources), +}; + void __init stmp378x_map_io(void) { iotable_init(stmp378x_io_desc, ARRAY_SIZE(stmp378x_io_desc)); |