From mboxrd@z Thu Jan 1 00:00:00 1970 From: horms@verge.net.au (Simon Horman) Date: Fri, 31 Aug 2012 10:28:19 +0900 Subject: [PATCH 08/11] ARM: shmobile: marzen: add USB EHCI driver support In-Reply-To: <1346376502-12114-1-git-send-email-horms@verge.net.au> References: <1346376502-12114-1-git-send-email-horms@verge.net.au> Message-ID: <1346376502-12114-9-git-send-email-horms@verge.net.au> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Kuninori Morimoto This patch supports CN21/CN22 USB 2.0 (port 0/1/2), and enable USB momery on defconfig Signed-off-by: Kuninori Morimoto Signed-off-by: Simon Horman --- arch/arm/configs/marzen_defconfig | 6 +++ arch/arm/mach-shmobile/Kconfig | 1 + arch/arm/mach-shmobile/board-marzen.c | 88 +++++++++++++++++++++++++++++++++++ 3 files changed, 95 insertions(+) diff --git a/arch/arm/configs/marzen_defconfig b/arch/arm/configs/marzen_defconfig index cd2dc21..61d1c55 100644 --- a/arch/arm/configs/marzen_defconfig +++ b/arch/arm/configs/marzen_defconfig @@ -47,6 +47,8 @@ CONFIG_DEVTMPFS_MOUNT=y # CONFIG_STANDALONE is not set # CONFIG_PREVENT_FIRMWARE_BUILD is not set # CONFIG_FW_LOADER is not set +CONFIG_SCSI=y +CONFIG_BLK_DEV_SD=y CONFIG_NETDEVICES=y # CONFIG_NET_VENDOR_BROADCOM is not set # CONFIG_NET_VENDOR_FARADAY is not set @@ -75,6 +77,10 @@ CONFIG_SSB=y # CONFIG_USB_SUPPORT is not set CONFIG_MMC=y CONFIG_MMC_SDHI=y +CONFIG_USB=y +CONFIG_USB_EHCI_HCD=y +CONFIG_USB_EHCI_HCD_PLATFORM=y +CONFIG_USB_STORAGE=y CONFIG_UIO=y CONFIG_UIO_PDRV_GENIRQ=y # CONFIG_IOMMU_SUPPORT is not set diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index 4cacc2d..8937d69 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -41,6 +41,7 @@ config ARCH_R8A7779 select SH_CLK_CPG select ARM_GIC select ARCH_WANT_OPTIONAL_GPIOLIB + select USB_ARCH_HAS_EHCI config ARCH_EMEV2 bool "Emma Mobile EV2" diff --git a/arch/arm/mach-shmobile/board-marzen.c b/arch/arm/mach-shmobile/board-marzen.c index dec3ffc..0249c0e 100644 --- a/arch/arm/mach-shmobile/board-marzen.c +++ b/arch/arm/mach-shmobile/board-marzen.c @@ -32,6 +32,8 @@ #include #include #include +#include +#include #include #include #include @@ -116,6 +118,80 @@ static struct platform_device *marzen_devices[] __initdata = { &sdhi0_device, }; +/* USB */ +static int xhci_power_on(struct platform_device *pdev) +{ + pm_runtime_enable(&pdev->dev); + pm_runtime_get_sync(&pdev->dev); + + return 0; +} + +static void xhci_power_off(struct platform_device *pdev) +{ + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); +} + +static struct usb_ehci_pdata ehcix_pdata = { + .power_on = xhci_power_on, + .power_off = xhci_power_off, + .power_suspend = xhci_power_off, +}; + +static struct resource ehci0_resources[] = { + [0] = { + .start = 0xffe70000, + .end = 0xffe70400 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(44), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device ehci0_device = { + .name = "ehci-platform", + .id = 0, + .dev = { + .dma_mask = &ehci0_device.dev.coherent_dma_mask, + .coherent_dma_mask = 0xffffffff, + .platform_data = &ehcix_pdata, + }, + .num_resources = ARRAY_SIZE(ehci0_resources), + .resource = ehci0_resources, +}; + +static struct resource ehci1_resources[] = { + [0] = { + .start = 0xfff70000, + .end = 0xfff70400 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(45), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device ehci1_device = { + .name = "ehci-platform", + .id = 1, + .dev = { + .dma_mask = &ehci1_device.dev.coherent_dma_mask, + .coherent_dma_mask = 0xffffffff, + .platform_data = &ehcix_pdata, + }, + .num_resources = ARRAY_SIZE(ehci1_resources), + .resource = ehci1_resources, +}; + +static struct platform_device *marzen_usb_devices[] __initdata = { + &ehci0_device, + &ehci1_device, +}; + static void __init marzen_init(void) { regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers, @@ -147,8 +223,20 @@ static void __init marzen_init(void) gpio_request(GPIO_FN_SD0_CD, NULL); gpio_request(GPIO_FN_SD0_WP, NULL); + /* USB (CN21) */ + gpio_request(GPIO_FN_USB_OVC0, NULL); + gpio_request(GPIO_FN_USB_OVC1, NULL); + gpio_request(GPIO_FN_USB_OVC2, NULL); + + /* USB (CN22) */ + gpio_request(GPIO_FN_USB_PENC2, NULL); + r8a7779_add_standard_devices(); platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices)); + + if (0 == r8a7779_usb_phy_init(0)) + platform_add_devices(marzen_usb_devices, + ARRAY_SIZE(marzen_usb_devices)); } MACHINE_START(MARZEN, "marzen") -- 1.7.10.2.484.gcd07cc5