diff options
Diffstat (limited to 'arch/arm/plat-stmp3xxx/devices.c')
-rw-r--r-- | arch/arm/plat-stmp3xxx/devices.c | 389 |
1 files changed, 389 insertions, 0 deletions
diff --git a/arch/arm/plat-stmp3xxx/devices.c b/arch/arm/plat-stmp3xxx/devices.c new file mode 100644 index 00000000000..68fed4b8746 --- /dev/null +++ b/arch/arm/plat-stmp3xxx/devices.c @@ -0,0 +1,389 @@ +/* +* Freescale STMP37XX/STMP378X platform devices +* +* Embedded Alley Solutions, Inc <source@embeddedalley.com> +* +* Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. +* Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. +*/ + +/* +* The code contained herein is licensed under the GNU General Public +* License. You may obtain a copy of the GNU General Public License +* Version 2 or later at the following locations: +* +* http://www.opensource.org/licenses/gpl-license.html +* http://www.gnu.org/copyleft/gpl.html +*/ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/dma-mapping.h> + +#include <mach/dma.h> +#include <mach/platform.h> +#include <mach/stmp3xxx.h> +#include <mach/regs-lcdif.h> +#include <mach/regs-uartapp.h> +#include <mach/regs-gpmi.h> +#include <mach/regs-usbctrl.h> +#include <mach/regs-ssp.h> +#include <mach/regs-rtc.h> + +static u64 common_dmamask = DMA_BIT_MASK(32); + +static struct resource appuart_resources[] = { + { + .start = IRQ_UARTAPP_INTERNAL, + .end = IRQ_UARTAPP_INTERNAL, + .flags = IORESOURCE_IRQ, + }, { + .start = IRQ_UARTAPP_RX_DMA, + .end = IRQ_UARTAPP_RX_DMA, + .flags = IORESOURCE_IRQ, + }, { + .start = IRQ_UARTAPP_TX_DMA, + .end = IRQ_UARTAPP_TX_DMA, + .flags = IORESOURCE_IRQ, + }, { + .start = REGS_UARTAPP1_PHYS, + .end = REGS_UARTAPP1_PHYS + REGS_UARTAPP_SIZE, + .flags = IORESOURCE_MEM, + }, { + /* Rx DMA channel */ + .start = STMP3XXX_DMA(6, STMP3XXX_BUS_APBX), + .end = STMP3XXX_DMA(6, STMP3XXX_BUS_APBX), + .flags = IORESOURCE_DMA, + }, { + /* Tx DMA channel */ + .start = STMP3XXX_DMA(7, STMP3XXX_BUS_APBX), + .end = STMP3XXX_DMA(7, STMP3XXX_BUS_APBX), + .flags = IORESOURCE_DMA, + }, +}; + +struct platform_device stmp3xxx_appuart = { + .name = "stmp3xxx-appuart", + .id = 0, + .resource = appuart_resources, + .num_resources = ARRAY_SIZE(appuart_resources), + .dev = { + .dma_mask = &common_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +struct platform_device stmp3xxx_watchdog = { + .name = "stmp3xxx_wdt", + .id = -1, +}; + +static struct resource ts_resource[] = { + { + .flags = IORESOURCE_IRQ, + .start = IRQ_TOUCH_DETECT, + .end = IRQ_TOUCH_DETECT, + }, { + .flags = IORESOURCE_IRQ, + .start = IRQ_LRADC_CH5, + .end = IRQ_LRADC_CH5, + }, +}; + +struct platform_device stmp3xxx_touchscreen = { + .name = "stmp3xxx_ts", + .id = -1, + .resource = ts_resource, + .num_resources = ARRAY_SIZE(ts_resource), +}; + +/* +* Keypad device +*/ +struct platform_device stmp3xxx_keyboard = { + .name = "stmp3xxx-keyboard", + .id = -1, +}; + +static struct resource gpmi_resources[] = { + { + .flags = IORESOURCE_MEM, + .start = REGS_GPMI_PHYS, + .end = REGS_GPMI_PHYS + REGS_GPMI_SIZE, + }, { + .flags = IORESOURCE_IRQ, + .start = IRQ_GPMI_DMA, + .end = IRQ_GPMI_DMA, + }, { + .flags = IORESOURCE_DMA, + .start = STMP3XXX_DMA(4, STMP3XXX_BUS_APBH), + .end = STMP3XXX_DMA(8, STMP3XXX_BUS_APBH), + }, +}; + +struct platform_device stmp3xxx_gpmi = { + .name = "gpmi", + .id = -1, + .dev = { + .dma_mask = &common_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = gpmi_resources, + .num_resources = ARRAY_SIZE(gpmi_resources), +}; + +static struct resource mmc1_resource[] = { + { + .flags = IORESOURCE_MEM, + .start = REGS_SSP1_PHYS, + .end = REGS_SSP1_PHYS + REGS_SSP_SIZE, + }, { + .flags = IORESOURCE_DMA, + .start = STMP3XXX_DMA(1, STMP3XXX_BUS_APBH), + .end = STMP3XXX_DMA(1, STMP3XXX_BUS_APBH), + }, { + .flags = IORESOURCE_IRQ, + .start = IRQ_SSP1_DMA, + .end = IRQ_SSP1_DMA, + }, { + .flags = IORESOURCE_IRQ, + .start = IRQ_SSP_ERROR, + .end = IRQ_SSP_ERROR, + }, +}; + +struct platform_device stmp3xxx_mmc = { + .name = "stmp3xxx-mmc", + .id = 1, + .dev = { + .dma_mask = &common_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = mmc1_resource, + .num_resources = ARRAY_SIZE(mmc1_resource), +}; + +static struct resource usb_resources[] = { + { + .start = REGS_USBCTRL_PHYS, + .end = REGS_USBCTRL_PHYS + SZ_4K, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_USB_CTRL, + .end = IRQ_USB_CTRL, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device stmp3xxx_udc = { + .name = "fsl-usb2-udc", + .id = -1, + .dev = { + .dma_mask = &common_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = usb_resources, + .num_resources = ARRAY_SIZE(usb_resources), +}; + +struct platform_device stmp3xxx_ehci = { + .name = "fsl-ehci", + .id = -1, + .dev = { + .dma_mask = &common_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = usb_resources, + .num_resources = ARRAY_SIZE(usb_resources), +}; + +static struct resource rtc_resources[] = { + { + .start = REGS_RTC_PHYS, + .end = REGS_RTC_PHYS + REGS_RTC_SIZE, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_RTC_ALARM, + .end = IRQ_RTC_ALARM, + .flags = IORESOURCE_IRQ, + }, { + .start = IRQ_RTC_1MSEC, + .end = IRQ_RTC_1MSEC, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device stmp3xxx_rtc = { + .name = "stmp3xxx-rtc", + .id = -1, + .resource = rtc_resources, + .num_resources = ARRAY_SIZE(rtc_resources), +}; + +static struct resource ssp1_resources[] = { + { + .start = REGS_SSP1_PHYS, + .end = REGS_SSP1_PHYS + REGS_SSP_SIZE, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_SSP1_DMA, + .end = IRQ_SSP1_DMA, + .flags = IORESOURCE_IRQ, + }, { + .start = STMP3XXX_DMA(1, STMP3XXX_BUS_APBH), + .end = STMP3XXX_DMA(1, STMP3XXX_BUS_APBH), + .flags = IORESOURCE_DMA, + }, +}; + +static struct resource ssp2_resources[] = { + { + .start = REGS_SSP2_PHYS, + .end = REGS_SSP2_PHYS + REGS_SSP_SIZE, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_SSP2_DMA, + .end = IRQ_SSP2_DMA, + .flags = IORESOURCE_IRQ, + }, { + .start = STMP3XXX_DMA(2, STMP3XXX_BUS_APBH), + .end = STMP3XXX_DMA(2, STMP3XXX_BUS_APBH), + .flags = IORESOURCE_DMA, + }, +}; + +struct platform_device stmp3xxx_spi1 = { + .name = "stmp3xxx_ssp", + .id = 1, + .dev = { + .dma_mask = &common_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = ssp1_resources, + .num_resources = ARRAY_SIZE(ssp1_resources), +}; + +struct platform_device stmp3xxx_spi2 = { + .name = "stmp3xxx_ssp", + .id = 2, + .dev = { + .dma_mask = &common_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = ssp2_resources, + .num_resources = ARRAY_SIZE(ssp2_resources), +}; + +static struct resource fb_resource[] = { + { + .flags = IORESOURCE_IRQ, + .start = IRQ_LCDIF_DMA, + .end = IRQ_LCDIF_DMA, + }, { + .flags = IORESOURCE_IRQ, + .start = IRQ_LCDIF_ERROR, + .end = IRQ_LCDIF_ERROR, + }, { + .flags = IORESOURCE_MEM, + .start = REGS_LCDIF_PHYS, + .end = REGS_LCDIF_PHYS + REGS_LCDIF_SIZE, + }, +}; + +struct platform_device stmp3xxx_framebuffer = { + .name = "stmp3xxx-fb", + .id = -1, + .dev = { + .dma_mask = &common_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .num_resources = ARRAY_SIZE(fb_resource), + .resource = fb_resource, +}; + +#define CMDLINE_DEVICE_CHOOSE(name, dev1, dev2) \ + static char *cmdline_device_##name; \ + static int cmdline_device_##name##_setup(char *dev) \ + { \ + cmdline_device_##name = dev + 1; \ + return 0; \ + } \ + __setup(#name, cmdline_device_##name##_setup); \ + int stmp3xxx_##name##_device_register(void) \ + { \ + struct platform_device *d = NULL; \ + if (!cmdline_device_##name || \ + !strcmp(cmdline_device_##name, #dev1)) \ + d = &stmp3xxx_##dev1; \ + else if (!strcmp(cmdline_device_##name, #dev2)) \ + d = &stmp3xxx_##dev2; \ + else \ + printk(KERN_ERR"Unknown %s assignment '%s'.\n", \ + #name, cmdline_device_##name); \ + return d ? platform_device_register(d) : -ENOENT; \ + } + +CMDLINE_DEVICE_CHOOSE(ssp1, mmc, spi1) +CMDLINE_DEVICE_CHOOSE(ssp2, gpmi, spi2) + +struct platform_device stmp3xxx_backlight = { + .name = "stmp3xxx-bl", + .id = -1, +}; + +struct platform_device stmp3xxx_rotdec = { + .name = "stmp3xxx-rotdec", + .id = -1, +}; + +struct platform_device stmp3xxx_persistent = { + .name = "stmp3xxx-persistent", + .id = -1, +}; + +struct platform_device stmp3xxx_dcp_bootstream = { + .name = "stmp3xxx-dcpboot", + .id = -1, + .dev = { + .dma_mask = &common_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +static struct resource dcp_resources[] = { + { + .start = IRQ_DCP_VMI, + .end = IRQ_DCP_VMI, + .flags = IORESOURCE_IRQ, + }, { + .start = IRQ_DCP, + .end = IRQ_DCP, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device stmp3xxx_dcp = { + .name = "stmp3xxx-dcp", + .id = -1, + .resource = dcp_resources, + .num_resources = ARRAY_SIZE(dcp_resources), + .dev = { + .dma_mask = &common_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +static struct resource battery_resource[] = { + { + .flags = IORESOURCE_IRQ, + .start = IRQ_VDD5V, + .end = IRQ_VDD5V, + }, +}; + +struct platform_device stmp3xxx_battery = { + .name = "stmp3xxx-battery", + .resource = battery_resource, + .num_resources = ARRAY_SIZE(battery_resource), +}; 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