diff options
| -rw-r--r-- | arch/arm/configs/kzm9g_defconfig | 5 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/board-kzm9g.c | 150 |
2 files changed, 155 insertions, 0 deletions
diff --git a/arch/arm/configs/kzm9g_defconfig b/arch/arm/configs/kzm9g_defconfig index 686129f3a937..7b2eecd6dcc5 100644 --- a/arch/arm/configs/kzm9g_defconfig +++ b/arch/arm/configs/kzm9g_defconfig @@ -100,7 +100,12 @@ CONFIG_SND_SOC_SH4_FSI=y CONFIG_USB=y CONFIG_USB_DEVICEFS=y CONFIG_USB_R8A66597_HCD=y +CONFIG_USB_RENESAS_USBHS=y CONFIG_USB_STORAGE=y +CONFIG_USB_GADGET=y +CONFIG_USB_RENESAS_USBHS_UDC=y +CONFIG_USB_ETH=m +CONFIG_USB_MASS_STORAGE=m CONFIG_MMC=y # CONFIG_MMC_BLOCK_BOUNCE is not set CONFIG_MMC_SDHI=y diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c index a5cb11358e00..27194bc6ee3c 100644 --- a/arch/arm/mach-shmobile/board-kzm9g.c +++ b/arch/arm/mach-shmobile/board-kzm9g.c @@ -32,6 +32,7 @@ #include <linux/platform_device.h> #include <linux/smsc911x.h> #include <linux/usb/r8a66597.h> +#include <linux/usb/renesas_usbhs.h> #include <linux/videodev2.h> #include <sound/sh_fsi.h> #include <sound/simple_card.h> @@ -122,6 +123,151 @@ static struct platform_device usb_host_device = { .resource = usb_resources, }; +/* USB Func CN17 */ +struct usbhs_private { + unsigned int phy; + unsigned int cr2; + struct renesas_usbhs_platform_info info; +}; + +#define IRQ15 intcs_evt2irq(0x03e0) +#define USB_PHY_MODE (1 << 4) +#define USB_PHY_INT_EN ((1 << 3) | (1 << 2)) +#define USB_PHY_ON (1 << 1) +#define USB_PHY_OFF (1 << 0) +#define USB_PHY_INT_CLR (USB_PHY_ON | USB_PHY_OFF) + +#define usbhs_get_priv(pdev) \ + container_of(renesas_usbhs_get_info(pdev), struct usbhs_private, info) + +static int usbhs_get_vbus(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + + return !((1 << 7) & __raw_readw(priv->cr2)); +} + +static void usbhs_phy_reset(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + + /* init phy */ + __raw_writew(0x8a0a, priv->cr2); +} + +static int usbhs_get_id(struct platform_device *pdev) +{ + return USBHS_GADGET; +} + +static irqreturn_t usbhs_interrupt(int irq, void *data) +{ + struct platform_device *pdev = data; + struct usbhs_private *priv = usbhs_get_priv(pdev); + + renesas_usbhs_call_notify_hotplug(pdev); + + /* clear status */ + __raw_writew(__raw_readw(priv->phy) | USB_PHY_INT_CLR, priv->phy); + + return IRQ_HANDLED; +} + +static int usbhs_hardware_init(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + int ret; + + /* clear interrupt status */ + __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->phy); + + ret = request_irq(IRQ15, usbhs_interrupt, IRQF_TRIGGER_HIGH, + dev_name(&pdev->dev), pdev); + if (ret) { + dev_err(&pdev->dev, "request_irq err\n"); + return ret; + } + + /* enable USB phy interrupt */ + __raw_writew(USB_PHY_MODE | USB_PHY_INT_EN, priv->phy); + + return 0; +} + +static void usbhs_hardware_exit(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + + /* clear interrupt status */ + __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->phy); + + free_irq(IRQ15, pdev); +} + +static u32 usbhs_pipe_cfg[] = { + USB_ENDPOINT_XFER_CONTROL, + USB_ENDPOINT_XFER_ISOC, + USB_ENDPOINT_XFER_ISOC, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_INT, + USB_ENDPOINT_XFER_INT, + USB_ENDPOINT_XFER_INT, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, +}; + +static struct usbhs_private usbhs_private = { + .phy = 0xe60781e0, /* USBPHYINT */ + .cr2 = 0xe605810c, /* USBCR2 */ + .info = { + .platform_callback = { + .hardware_init = usbhs_hardware_init, + .hardware_exit = usbhs_hardware_exit, + .get_id = usbhs_get_id, + .phy_reset = usbhs_phy_reset, + .get_vbus = usbhs_get_vbus, + }, + .driver_param = { + .buswait_bwait = 4, + .has_otg = 1, + .pipe_type = usbhs_pipe_cfg, + .pipe_size = ARRAY_SIZE(usbhs_pipe_cfg), + }, + }, +}; + +static struct resource usbhs_resources[] = { + [0] = { + .start = 0xE6890000, + .end = 0xE68900e6 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(62), + .end = gic_spi(62), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device usbhs_device = { + .name = "renesas_usbhs", + .id = -1, + .dev = { + .dma_mask = NULL, + .coherent_dma_mask = 0xffffffff, + .platform_data = &usbhs_private.info, + }, + .num_resources = ARRAY_SIZE(usbhs_resources), + .resource = usbhs_resources, +}; + /* LCDC */ static struct fb_videomode kzm_lcdc_mode = { .name = "WVGA Panel", @@ -361,6 +507,7 @@ static struct i2c_board_info i2c3_devices[] = { static struct platform_device *kzm_devices[] __initdata = { &smsc_device, &usb_host_device, + &usbhs_device, &lcdc_device, &mmc_device, &sdhi0_device, @@ -512,6 +659,9 @@ static void __init kzm_init(void) gpio_request(GPIO_FN_FSIAISLD, NULL); gpio_request(GPIO_FN_FSIAOSLD, NULL); + /* enable USB */ + gpio_request(GPIO_FN_VBUS_0, NULL); + #ifdef CONFIG_CACHE_L2X0 /* Early BRESP enable, Shared attribute override enable, 64K*8way */ l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff); |