From eee7c497d250bbb2bfd0fdc2b41b9b6ff02148a2 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Wed, 3 Feb 2010 17:13:29 +0100 Subject: i.MX27 pca100: Add USB support Signed-off-by: Sascha Hauer --- arch/arm/mach-mx2/Kconfig | 1 + arch/arm/mach-mx2/mach-pca100.c | 103 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 104 insertions(+) (limited to 'arch/arm/mach-mx2') diff --git a/arch/arm/mach-mx2/Kconfig b/arch/arm/mach-mx2/Kconfig index 7bc797c1c3a2..ca1278d5c845 100644 --- a/arch/arm/mach-mx2/Kconfig +++ b/arch/arm/mach-mx2/Kconfig @@ -100,6 +100,7 @@ config MACH_IMX27LITE config MACH_PCA100 bool "Phytec phyCARD-s (pca100)" depends on MACH_MX27 + select MXC_ULPI if USB_ULPI help Include support for phyCARD-s (aka pca100) platform. This includes specific configurations for the module and its peripherals. diff --git a/arch/arm/mach-mx2/mach-pca100.c b/arch/arm/mach-mx2/mach-pca100.c index 9279b42b24b5..cda52a6a3290 100644 --- a/arch/arm/mach-mx2/mach-pca100.c +++ b/arch/arm/mach-mx2/mach-pca100.c @@ -26,6 +26,9 @@ #include #include #include +#include +#include +#include #include #include @@ -41,9 +44,14 @@ #include #include #include +#include +#include #include "devices.h" +#define OTG_PHY_CS_GPIO (GPIO_PORTB + 23) +#define USBH2_PHY_CS_GPIO (GPIO_PORTB + 24) + static int pca100_pins[] = { /* UART1 */ PE12_PF_UART1_TXD, @@ -92,6 +100,34 @@ static int pca100_pins[] = { PD29_PF_CSPI1_SCLK, PD30_PF_CSPI1_MISO, PD31_PF_CSPI1_MOSI, + /* OTG */ + OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT, + PC7_PF_USBOTG_DATA5, + PC8_PF_USBOTG_DATA6, + PC9_PF_USBOTG_DATA0, + PC10_PF_USBOTG_DATA2, + PC11_PF_USBOTG_DATA1, + PC12_PF_USBOTG_DATA4, + PC13_PF_USBOTG_DATA3, + PE0_PF_USBOTG_NXT, + PE1_PF_USBOTG_STP, + PE2_PF_USBOTG_DIR, + PE24_PF_USBOTG_CLK, + PE25_PF_USBOTG_DATA7, + /* USBH2 */ + USBH2_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT, + PA0_PF_USBH2_CLK, + PA1_PF_USBH2_DIR, + PA2_PF_USBH2_DATA7, + PA3_PF_USBH2_NXT, + PA4_PF_USBH2_STP, + PD19_AF_USBH2_DATA4, + PD20_AF_USBH2_DATA3, + PD21_AF_USBH2_DATA6, + PD22_AF_USBH2_DATA0, + PD23_AF_USBH2_DATA2, + PD24_AF_USBH2_DATA1, + PD26_AF_USBH2_DATA5, }; static struct imxuart_platform_data uart_pdata = { @@ -182,6 +218,50 @@ static struct imxmmc_platform_data sdhc_pdata = { .exit = pca100_sdhc2_exit, }; +static int otg_phy_init(struct platform_device *pdev) +{ + gpio_set_value(OTG_PHY_CS_GPIO, 0); + return 0; +} + +static struct mxc_usbh_platform_data otg_pdata = { + .init = otg_phy_init, + .portsc = MXC_EHCI_MODE_ULPI, + .flags = MXC_EHCI_INTERFACE_DIFF_UNI, +}; + +static int usbh2_phy_init(struct platform_device *pdev) +{ + gpio_set_value(USBH2_PHY_CS_GPIO, 0); + return 0; +} + +static struct mxc_usbh_platform_data usbh2_pdata = { + .init = usbh2_phy_init, + .portsc = MXC_EHCI_MODE_ULPI, + .flags = MXC_EHCI_INTERFACE_DIFF_UNI, +}; + +static struct fsl_usb2_platform_data otg_device_pdata = { + .operating_mode = FSL_USB2_DR_DEVICE, + .phy_mode = FSL_USB2_PHY_ULPI, +}; + +static int otg_mode_host; + +static int __init pca100_otg_mode(char *options) +{ + if (!strcmp(options, "host")) + otg_mode_host = 1; + else if (!strcmp(options, "device")) + otg_mode_host = 0; + else + pr_info("otg_mode neither \"host\" nor \"device\". " + "Defaulting to device\n"); + return 0; +} +__setup("otg_mode=", pca100_otg_mode); + static void __init pca100_init(void) { int ret; @@ -220,6 +300,29 @@ static void __init pca100_init(void) mxc_register_device(&mxc_spi_device0, &pca100_spi_0_data); #endif + gpio_request(OTG_PHY_CS_GPIO, "usb-otg-cs"); + gpio_direction_output(OTG_PHY_CS_GPIO, 1); + gpio_request(USBH2_PHY_CS_GPIO, "usb-host2-cs"); + gpio_direction_output(USBH2_PHY_CS_GPIO, 1); + +#if defined(CONFIG_USB_ULPI) + if (otg_mode_host) { + otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + + mxc_register_device(&mxc_otg_host, &otg_pdata); + } + + usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + + mxc_register_device(&mxc_usbh2, &usbh2_pdata); +#endif + if (!otg_mode_host) { + gpio_set_value(OTG_PHY_CS_GPIO, 0); + mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata); + } + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); } -- cgit v1.2.1 From 773f206b2f3745bde8ee17ec0f884c19db3917a5 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Wed, 3 Feb 2010 17:13:41 +0100 Subject: i.MX27 pcm038: Add USB support Signed-off-by: Sascha Hauer --- arch/arm/mach-mx2/Kconfig | 1 + arch/arm/mach-mx2/mach-pcm038.c | 22 ++++++++++++++++++++++ 2 files changed, 23 insertions(+) (limited to 'arch/arm/mach-mx2') diff --git a/arch/arm/mach-mx2/Kconfig b/arch/arm/mach-mx2/Kconfig index ca1278d5c845..742fd4e6dcb9 100644 --- a/arch/arm/mach-mx2/Kconfig +++ b/arch/arm/mach-mx2/Kconfig @@ -37,6 +37,7 @@ config MACH_MX27ADS config MACH_PCM038 bool "Phytec phyCORE-i.MX27 CPU module (pcm038)" depends on MACH_MX27 + select MXC_ULPI if USB_ULPI help Include support for phyCORE-i.MX27 (aka pcm038) platform. This includes specific configurations for the module and its peripherals. diff --git a/arch/arm/mach-mx2/mach-pcm038.c b/arch/arm/mach-mx2/mach-pcm038.c index e055d9dd6101..5a0169cff20f 100644 --- a/arch/arm/mach-mx2/mach-pcm038.c +++ b/arch/arm/mach-mx2/mach-pcm038.c @@ -40,6 +40,8 @@ #include #include #include +#include +#include #include "devices.h" @@ -96,6 +98,19 @@ static int pcm038_pins[] = { PC17_PF_SSI4_RXD, PC18_PF_SSI4_TXD, PC19_PF_SSI4_CLK, + /* USB host */ + PA0_PF_USBH2_CLK, + PA1_PF_USBH2_DIR, + PA2_PF_USBH2_DATA7, + PA3_PF_USBH2_NXT, + PA4_PF_USBH2_STP, + PD19_AF_USBH2_DATA4, + PD20_AF_USBH2_DATA3, + PD21_AF_USBH2_DATA6, + PD22_AF_USBH2_DATA0, + PD23_AF_USBH2_DATA2, + PD24_AF_USBH2_DATA1, + PD26_AF_USBH2_DATA5, }; /* @@ -277,6 +292,11 @@ static struct spi_board_info pcm038_spi_board_info[] __initdata = { } }; +static struct mxc_usbh_platform_data usbh2_pdata = { + .portsc = MXC_EHCI_MODE_ULPI, + .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_DIFF_UNI, +}; + static void __init pcm038_init(void) { mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins), @@ -309,6 +329,8 @@ static void __init pcm038_init(void) spi_register_board_info(pcm038_spi_board_info, ARRAY_SIZE(pcm038_spi_board_info)); + mxc_register_device(&mxc_usbh2, &usbh2_pdata); + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); #ifdef CONFIG_MACH_PCM970_BASEBOARD -- cgit v1.2.1 From c8a6885f2153087668b64d4ee25f78a7dda1dadb Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Mon, 8 Feb 2010 16:42:28 +0100 Subject: pca100: add sound support Signed-off-by: Sascha Hauer --- arch/arm/mach-mx2/mach-pca100.c | 48 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) (limited to 'arch/arm/mach-mx2') diff --git a/arch/arm/mach-mx2/mach-pca100.c b/arch/arm/mach-mx2/mach-pca100.c index cda52a6a3290..d12bdb1fcabb 100644 --- a/arch/arm/mach-mx2/mach-pca100.c +++ b/arch/arm/mach-mx2/mach-pca100.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include #include @@ -41,6 +42,8 @@ #include #endif #include +#include +#include #include #include #include @@ -193,6 +196,37 @@ static struct spi_imx_master pca100_spi_0_data = { }; #endif +static void pca100_ac97_warm_reset(struct snd_ac97 *ac97) +{ + mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT); + gpio_set_value(GPIO_PORTC + 20, 1); + udelay(2); + gpio_set_value(GPIO_PORTC + 20, 0); + mxc_gpio_mode(PC20_PF_SSI1_FS); + msleep(2); +} + +static void pca100_ac97_cold_reset(struct snd_ac97 *ac97) +{ + mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT); /* FS */ + gpio_set_value(GPIO_PORTC + 20, 0); + mxc_gpio_mode(GPIO_PORTC | 22 | GPIO_GPIO | GPIO_OUT); /* TX */ + gpio_set_value(GPIO_PORTC + 22, 0); + mxc_gpio_mode(GPIO_PORTC | 28 | GPIO_GPIO | GPIO_OUT); /* reset */ + gpio_set_value(GPIO_PORTC + 28, 0); + udelay(10); + gpio_set_value(GPIO_PORTC + 28, 1); + mxc_gpio_mode(PC20_PF_SSI1_FS); + mxc_gpio_mode(PC22_PF_SSI1_TXD); + msleep(2); +} + +static struct imx_ssi_platform_data pca100_ssi_pdata = { + .ac97_reset = pca100_ac97_cold_reset, + .ac97_warm_reset = pca100_ac97_warm_reset, + .flags = IMX_SSI_USE_AC97, +}; + static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq, void *data) { @@ -266,11 +300,25 @@ static void __init pca100_init(void) { int ret; + /* SSI unit */ + mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0, + MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */ + MXC_AUDMUX_V1_PCR_TFCSEL(3) | + MXC_AUDMUX_V1_PCR_TCLKDIR | /* clock is output */ + MXC_AUDMUX_V1_PCR_RXDSEL(3)); + mxc_audmux_v1_configure_port(3, + MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */ + MXC_AUDMUX_V1_PCR_TFCSEL(0) | + MXC_AUDMUX_V1_PCR_TFSDIR | + MXC_AUDMUX_V1_PCR_RXDSEL(0)); + ret = mxc_gpio_setup_multiple_pins(pca100_pins, ARRAY_SIZE(pca100_pins), "PCA100"); if (ret) printk(KERN_ERR "pca100: Failed to setup pins (%d)\n", ret); + mxc_register_device(&imx_ssi_device0, &pca100_ssi_pdata); + mxc_register_device(&mxc_uart_device0, &uart_pdata); mxc_gpio_mode(GPIO_PORTC | 29 | GPIO_GPIO | GPIO_IN); -- cgit v1.2.1