From: Anand Gadiyar Date: Mon, 10 May 2010 16:26:10 +0000 (+0530) Subject: USB: omap3: add platform init code for OHCI driver X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=95344fcc07964202737f85c16dbabbc40cae5e4d;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git USB: omap3: add platform init code for OHCI driver Add platform init code for the OMAP3 OHCI driver. Also, configure padconf settings for OMAP3 depending on which port mode is used. Signed-off-by: Anand Gadiyar Cc: David Brownell Signed-off-by: Greg Kroah-Hartman --- diff --git a/arch/arm/mach-omap2/usb-ehci.c b/arch/arm/mach-omap2/usb-ehci.c index ee9f548d5d81..c68f799e83c5 100644 --- a/arch/arm/mach-omap2/usb-ehci.c +++ b/arch/arm/mach-omap2/usb-ehci.c @@ -236,3 +236,158 @@ void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata) #endif /* CONFIG_USB_EHCI_HCD */ +#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) + +static struct resource ohci_resources[] = { + { + .start = OMAP34XX_OHCI_BASE, + .end = OMAP34XX_OHCI_BASE + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP34XX_UHH_CONFIG_BASE, + .end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP34XX_USBTLL_BASE, + .end = OMAP34XX_USBTLL_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + { /* general IRQ */ + .start = INT_34XX_OHCI_IRQ, + .flags = IORESOURCE_IRQ, + } +}; + +static u64 ohci_dmamask = DMA_BIT_MASK(32); + +static struct platform_device ohci_device = { + .name = "ohci-omap3", + .id = 0, + .dev = { + .dma_mask = &ohci_dmamask, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(ohci_resources), + .resource = ohci_resources, +}; + +static void setup_ohci_io_mux(const enum ohci_omap3_port_mode *port_mode) +{ + switch (port_mode[0]) { + case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM: + case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM: + omap_mux_init_signal("mm1_rxdp", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("mm1_rxdm", + OMAP_PIN_INPUT_PULLDOWN); + /* FALLTHROUGH */ + case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM: + case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM: + omap_mux_init_signal("mm1_rxrcv", + OMAP_PIN_INPUT_PULLDOWN); + /* FALLTHROUGH */ + case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0: + omap_mux_init_signal("mm1_txen_n", OMAP_PIN_OUTPUT); + /* FALLTHROUGH */ + case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM: + omap_mux_init_signal("mm1_txse0", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("mm1_txdat", + OMAP_PIN_INPUT_PULLDOWN); + break; + case OMAP_OHCI_PORT_MODE_UNUSED: + /* FALLTHROUGH */ + default: + break; + } + switch (port_mode[1]) { + case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM: + case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM: + omap_mux_init_signal("mm2_rxdp", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("mm2_rxdm", + OMAP_PIN_INPUT_PULLDOWN); + /* FALLTHROUGH */ + case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM: + case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM: + omap_mux_init_signal("mm2_rxrcv", + OMAP_PIN_INPUT_PULLDOWN); + /* FALLTHROUGH */ + case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0: + omap_mux_init_signal("mm2_txen_n", OMAP_PIN_OUTPUT); + /* FALLTHROUGH */ + case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM: + omap_mux_init_signal("mm2_txse0", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("mm2_txdat", + OMAP_PIN_INPUT_PULLDOWN); + break; + case OMAP_OHCI_PORT_MODE_UNUSED: + /* FALLTHROUGH */ + default: + break; + } + switch (port_mode[2]) { + case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM: + case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM: + omap_mux_init_signal("mm3_rxdp", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("mm3_rxdm", + OMAP_PIN_INPUT_PULLDOWN); + /* FALLTHROUGH */ + case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM: + case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM: + omap_mux_init_signal("mm3_rxrcv", + OMAP_PIN_INPUT_PULLDOWN); + /* FALLTHROUGH */ + case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0: + omap_mux_init_signal("mm3_txen_n", OMAP_PIN_OUTPUT); + /* FALLTHROUGH */ + case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM: + omap_mux_init_signal("mm3_txse0", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("mm3_txdat", + OMAP_PIN_INPUT_PULLDOWN); + break; + case OMAP_OHCI_PORT_MODE_UNUSED: + /* FALLTHROUGH */ + default: + break; + } +} + +void __init usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata) +{ + platform_device_add_data(&ohci_device, pdata, sizeof(*pdata)); + + /* Setup Pin IO MUX for OHCI */ + if (cpu_is_omap34xx()) + setup_ohci_io_mux(pdata->port_mode); + + if (platform_device_register(&ohci_device) < 0) { + pr_err("Unable to register FS-USB (OHCI) device\n"); + return; + } +} + +#else + +void __init usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata) +{ +} + +#endif /* CONFIG_USB_OHCI_HCD */ diff --git a/arch/arm/plat-omap/include/plat/usb.h b/arch/arm/plat-omap/include/plat/usb.h index 60c734f40ed1..98eef5360e6d 100644 --- a/arch/arm/plat-omap/include/plat/usb.h +++ b/arch/arm/plat-omap/include/plat/usb.h @@ -13,6 +13,20 @@ enum ehci_hcd_omap_mode { EHCI_HCD_OMAP_MODE_TLL, }; +enum ohci_omap3_port_mode { + OMAP_OHCI_PORT_MODE_UNUSED, + OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0, + OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM, + OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0, + OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM, + OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0, + OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM, + OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0, + OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM, + OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0, + OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM, +}; + struct ehci_hcd_omap_platform_data { enum ehci_hcd_omap_mode port_mode[OMAP3_HS_USB_PORTS]; unsigned phy_reset:1; @@ -21,6 +35,13 @@ struct ehci_hcd_omap_platform_data { int reset_gpio_port[OMAP3_HS_USB_PORTS]; }; +struct ohci_hcd_omap_platform_data { + enum ohci_omap3_port_mode port_mode[OMAP3_HS_USB_PORTS]; + + /* Set this to true for ES2.x silicon */ + unsigned es2_compatibility:1; +}; + /*-------------------------------------------------------------------------*/ #define OMAP1_OTG_BASE 0xfffb0400 @@ -56,6 +77,8 @@ extern void usb_musb_init(struct omap_musb_board_data *board_data); extern void usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata); +extern void usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata); + #endif void omap_usb_init(struct omap_usb_config *pdata);