diff options
Diffstat (limited to 'arch/arm/mach-ux500/usb.c')
| -rw-r--r-- | arch/arm/mach-ux500/usb.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/usb.c b/arch/arm/mach-ux500/usb.c index a74af389bc6..fb1f6775154 100644 --- a/arch/arm/mach-ux500/usb.c +++ b/arch/arm/mach-ux500/usb.c @@ -11,6 +11,10 @@ #include <plat/ste_dma40.h> #include <mach/hardware.h> #include <mach/usb.h> +#include <mach/pm.h> +#include <plat/pincfg.h> +#include "pins.h" +#include "board-ux500-usb.h" #define MUSB_DMA40_RX_CH { \ .mode = STEDMA40_MODE_LOGICAL, \ @@ -32,6 +36,8 @@ .dst_info.psize = STEDMA40_PSIZE_LOG_16, \ } +#define USB_OTG_GPIO_CS 76 + static struct stedma40_chan_cfg musb_dma_rx_ch[UX500_MUSB_DMA_NUM_RX_CHANNELS] = { MUSB_DMA40_RX_CH, @@ -86,9 +92,54 @@ static struct ux500_musb_board_data musb_board_data = { .dma_filter = stedma40_filter, }; +#ifdef CONFIG_USB_UX500_DMA static u64 ux500_musb_dmamask = DMA_BIT_MASK(32); +#else +static u64 ux500_musb_dmamask = DMA_BIT_MASK(0); +#endif +static struct ux500_pins *usb_gpio_pins; + +/** + * Fifo mode + * Sum of maxpacket <= 12 KB + * As ux500 provides 12 KB buffer size only + * + * Enable Double buffer for Mass Storage Class + * endpoint. + */ +static struct musb_fifo_cfg ux500_mode_cfg[] = { +{ .hw_ep_num = 1, .style = FIFO_TX, .maxpacket = 512, }, +{ .hw_ep_num = 1, .style = FIFO_RX, .maxpacket = 512, }, +{ .hw_ep_num = 2, .style = FIFO_TX, .maxpacket = 512, }, +{ .hw_ep_num = 2, .style = FIFO_RX, .maxpacket = 512, }, +{ .hw_ep_num = 3, .style = FIFO_TX, .maxpacket = 512, .mode = BUF_DOUBLE, }, +{ .hw_ep_num = 3, .style = FIFO_RX, .maxpacket = 512, .mode = BUF_DOUBLE, }, +{ .hw_ep_num = 4, .style = FIFO_TX, .maxpacket = 512, }, +{ .hw_ep_num = 4, .style = FIFO_RX, .maxpacket = 512, }, +{ .hw_ep_num = 5, .style = FIFO_TX, .maxpacket = 512, }, +{ .hw_ep_num = 5, .style = FIFO_RX, .maxpacket = 512, }, +{ .hw_ep_num = 6, .style = FIFO_TX, .maxpacket = 32, }, +{ .hw_ep_num = 6, .style = FIFO_RX, .maxpacket = 32, }, +{ .hw_ep_num = 7, .style = FIFO_TX, .maxpacket = 32, }, +{ .hw_ep_num = 7, .style = FIFO_RX, .maxpacket = 32, }, +{ .hw_ep_num = 8, .style = FIFO_TX, .maxpacket = 32, }, +{ .hw_ep_num = 8, .style = FIFO_RX, .maxpacket = 32, }, +{ .hw_ep_num = 9, .style = FIFO_TX, .maxpacket = 32, }, +{ .hw_ep_num = 9, .style = FIFO_RX, .maxpacket = 32, }, +{ .hw_ep_num = 10, .style = FIFO_TX, .maxpacket = 32, }, +{ .hw_ep_num = 10, .style = FIFO_RX, .maxpacket = 32, }, +{ .hw_ep_num = 11, .style = FIFO_TX, .maxpacket = 32, }, +{ .hw_ep_num = 11, .style = FIFO_RX, .maxpacket = 32, }, +{ .hw_ep_num = 12, .style = FIFO_TX, .maxpacket = 32, }, +{ .hw_ep_num = 12, .style = FIFO_RX, .maxpacket = 32, }, +{ .hw_ep_num = 13, .style = FIFO_RXTX, .maxpacket = 512, }, +{ .hw_ep_num = 14, .style = FIFO_RXTX, .maxpacket = 1024, }, +{ .hw_ep_num = 15, .style = FIFO_RXTX, .maxpacket = 1024, }, +}; static struct musb_hdrc_config musb_hdrc_config = { + .fifo_cfg = ux500_mode_cfg, /* Fifo configuration */ + .fifo_cfg_size = ARRAY_SIZE(ux500_mode_cfg), .multipoint = true, .dyn_fifo = true, .num_eps = 16, @@ -120,11 +171,46 @@ struct platform_device ux500_musb_device = { .platform_data = &musb_platform_data, .dma_mask = &ux500_musb_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), +#ifdef CONFIG_UX500_SOC_DB8500 + .pm_domain = &ux500_dev_power_domain, +#endif }, .num_resources = ARRAY_SIZE(usb_resources), .resource = usb_resources, }; +static void enable_gpio(void) +{ + ux500_pins_enable(usb_gpio_pins); +} +static void disable_gpio(void) +{ + ux500_pins_disable(usb_gpio_pins); +} +static int get_gpio(struct device *device) +{ + usb_gpio_pins = ux500_pins_get(dev_name(device)); + + if (usb_gpio_pins == NULL) { + dev_err(device, "Could not get %s:usb_gpio_pins structure\n", + dev_name(device)); + + return PTR_ERR(usb_gpio_pins); + } + return 0; +} +static void put_gpio(void) +{ + ux500_pins_put(usb_gpio_pins); +} +struct abx500_usbgpio_platform_data abx500_usbgpio_plat_data = { + .get = &get_gpio, + .enable = &enable_gpio, + .disable = &disable_gpio, + .put = &put_gpio, + .usb_cs = USB_OTG_GPIO_CS, +}; + static inline void ux500_usb_dma_update_rx_ch_config(int *src_dev_type) { u32 idx; |