diff options
Diffstat (limited to 'arch/arm/mach-pxa/cm-x300.c')
| -rw-r--r-- | arch/arm/mach-pxa/cm-x300.c | 173 |
1 files changed, 123 insertions, 50 deletions
diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c index fdda6be6c39..4d3588d26c2 100644 --- a/arch/arm/mach-pxa/cm-x300.c +++ b/arch/arm/mach-pxa/cm-x300.c @@ -12,6 +12,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ +#define pr_fmt(fmt) "%s: " fmt, __func__ #include <linux/module.h> #include <linux/kernel.h> @@ -19,6 +20,7 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/platform_device.h> +#include <linux/clk.h> #include <linux/gpio.h> #include <linux/dm9000.h> @@ -27,7 +29,8 @@ #include <linux/pwm_backlight.h> #include <linux/i2c.h> -#include <linux/i2c/pca953x.h> +#include <linux/platform_data/pca953x.h> +#include <linux/i2c/pxa-i2c.h> #include <linux/mfd/da903x.h> #include <linux/regulator/machine.h> @@ -41,15 +44,16 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/setup.h> +#include <asm/system_info.h> #include <mach/pxa300.h> #include <mach/pxa27x-udc.h> -#include <mach/pxafb.h> -#include <mach/mmc.h> -#include <mach/ohci.h> -#include <plat/i2c.h> -#include <plat/pxa3xx_nand.h> +#include <linux/platform_data/video-pxafb.h> +#include <linux/platform_data/mmc-pxamci.h> +#include <linux/platform_data/usb-ohci-pxa27x.h> +#include <linux/platform_data/mtd-nand-pxa3xx.h> #include <mach/audio.h> +#include <linux/platform_data/usb-pxa3xx-ulpi.h> #include <asm/mach/map.h> @@ -61,13 +65,15 @@ #define GPIO82_MMC_IRQ (82) #define GPIO85_MMC_WP (85) -#define CM_X300_MMC_IRQ IRQ_GPIO(GPIO82_MMC_IRQ) +#define CM_X300_MMC_IRQ PXA_GPIO_TO_IRQ(GPIO82_MMC_IRQ) #define GPIO95_RTC_CS (95) #define GPIO96_RTC_WR (96) #define GPIO97_RTC_RD (97) #define GPIO98_RTC_IO (98) +#define GPIO_ULPI_PHY_RST (127) + static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = { /* LCD */ GPIO54_LCD_LDD_0, @@ -157,10 +163,10 @@ static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = { GPIO99_GPIO, /* Ethernet IRQ */ /* RTC GPIOs */ - GPIO95_GPIO, /* RTC CS */ - GPIO96_GPIO, /* RTC WR */ - GPIO97_GPIO, /* RTC RD */ - GPIO98_GPIO, /* RTC IO */ + GPIO95_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC CS */ + GPIO96_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC WR */ + GPIO97_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC RD */ + GPIO98_GPIO, /* RTC IO */ /* Standard I2C */ GPIO21_I2C_SCL, @@ -224,8 +230,8 @@ static struct resource dm9000_resources[] = { .flags = IORESOURCE_MEM, }, [2] = { - .start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)), - .end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)), + .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)), + .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)), .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, } }; @@ -292,7 +298,7 @@ static struct pxafb_mach_info cm_x300_lcd = { static void __init cm_x300_init_lcd(void) { - set_pxa_fb_info(&cm_x300_lcd); + pxa_set_fb_info(NULL, &cm_x300_lcd); } #else static inline void cm_x300_init_lcd(void) {} @@ -304,6 +310,7 @@ static struct platform_pwm_backlight_data cm_x300_backlight_data = { .max_brightness = 100, .dft_brightness = 100, .pwm_period_ns = 10000, + .enable_gpio = -1, }; static struct platform_device cm_x300_backlight_device = { @@ -419,8 +426,9 @@ static struct mtd_partition cm_x300_nand_partitions[] = { static struct pxa3xx_nand_platform_data cm_x300_nand_info = { .enable_arbiter = 1, .keep_config = 1, - .parts = cm_x300_nand_partitions, - .nr_parts = ARRAY_SIZE(cm_x300_nand_partitions), + .num_cs = 1, + .parts[0] = cm_x300_nand_partitions, + .nr_parts[0] = ARRAY_SIZE(cm_x300_nand_partitions), }; static void __init cm_x300_init_nand(void) @@ -472,6 +480,76 @@ static void __init cm_x300_init_mmc(void) static inline void cm_x300_init_mmc(void) {} #endif +#if defined(CONFIG_PXA310_ULPI) +static struct clk *pout_clk; + +static int cm_x300_ulpi_phy_reset(void) +{ + int err; + + /* reset the PHY */ + err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW, + "ulpi reset"); + if (err) { + pr_err("failed to request ULPI reset GPIO: %d\n", err); + return err; + } + + msleep(10); + gpio_set_value(GPIO_ULPI_PHY_RST, 1); + msleep(10); + + gpio_free(GPIO_ULPI_PHY_RST); + + return 0; +} + +static inline int cm_x300_u2d_init(struct device *dev) +{ + int err = 0; + + if (cpu_is_pxa310()) { + /* CLK_POUT is connected to the ULPI PHY */ + pout_clk = clk_get(NULL, "CLK_POUT"); + if (IS_ERR(pout_clk)) { + err = PTR_ERR(pout_clk); + pr_err("failed to get CLK_POUT: %d\n", err); + return err; + } + clk_enable(pout_clk); + + err = cm_x300_ulpi_phy_reset(); + if (err) { + clk_disable(pout_clk); + clk_put(pout_clk); + } + } + + return err; +} + +static void cm_x300_u2d_exit(struct device *dev) +{ + if (cpu_is_pxa310()) { + clk_disable(pout_clk); + clk_put(pout_clk); + } +} + +static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = { + .ulpi_mode = ULPI_SER_6PIN, + .init = cm_x300_u2d_init, + .exit = cm_x300_u2d_exit, +}; + +static void cm_x300_init_u2d(void) +{ + pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data); +} +#else +static inline void cm_x300_init_u2d(void) {} +#endif + #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) static int cm_x300_ohci_init(struct device *dev) { @@ -636,10 +714,7 @@ struct da9030_battery_info cm_x300_battery_info = { }; static struct regulator_consumer_supply buck2_consumers[] = { - { - .dev = NULL, - .supply = "vcc_core", - }, + REGULATOR_SUPPLY("vcc_core", NULL), }; static struct regulator_init_data buck2_data = { @@ -689,41 +764,37 @@ static void __init cm_x300_init_da9030(void) { pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info); i2c_register_board_info(1, &cm_x300_pmic_info, 1); + irq_set_irq_wake(IRQ_WAKEUP0, 1); } +/* wi2wi gpio setting for system_rev >= 130 */ +static struct gpio cm_x300_wi2wi_gpios[] __initdata = { + { 71, GPIOF_OUT_INIT_HIGH, "wlan en" }, + { 70, GPIOF_OUT_INIT_HIGH, "bt reset" }, +}; + static void __init cm_x300_init_wi2wi(void) { - int bt_reset, wlan_en; int err; if (system_rev < 130) { - wlan_en = 77; - bt_reset = 78; - } else { - wlan_en = 71; - bt_reset = 70; + cm_x300_wi2wi_gpios[0].gpio = 77; /* wlan en */ + cm_x300_wi2wi_gpios[1].gpio = 78; /* bt reset */ } /* Libertas and CSR reset */ - err = gpio_request(wlan_en, "wlan en"); + err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios)); if (err) { - pr_err("CM-X300: failed to request wlan en gpio: %d\n", err); - } else { - gpio_direction_output(wlan_en, 1); - gpio_free(wlan_en); + pr_err("failed to request wifi/bt gpios: %d\n", err); + return; } - err = gpio_request(bt_reset, "bt reset"); - if (err) { - pr_err("CM-X300: failed to request bt reset gpio: %d\n", err); - } else { - gpio_direction_output(bt_reset, 1); - udelay(10); - gpio_set_value(bt_reset, 0); - udelay(10); - gpio_set_value(bt_reset, 1); - gpio_free(bt_reset); - } + udelay(10); + gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 0); + udelay(10); + gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 1); + + gpio_free_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios)); } /* MFP */ @@ -745,13 +816,15 @@ static void __init cm_x300_init(void) { cm_x300_init_mfp(); - pxa_set_ffuart_info(NULL); pxa_set_btuart_info(NULL); pxa_set_stuart_info(NULL); + if (cpu_is_pxa300()) + pxa_set_ffuart_info(NULL); cm_x300_init_da9030(); cm_x300_init_dm9000(); cm_x300_init_lcd(); + cm_x300_init_u2d(); cm_x300_init_ohci(); cm_x300_init_mmc(); cm_x300_init_nand(); @@ -764,8 +837,7 @@ static void __init cm_x300_init(void) cm_x300_init_bl(); } -static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags, - char **cmdline, struct meminfo *mi) +static void __init cm_x300_fixup(struct tag *tags, char **cmdline) { /* Make sure that mi->bank[0].start = PHYS_ADDR */ for (; tags->hdr.size; tags = tag_next(tags)) @@ -777,12 +849,13 @@ static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags, } MACHINE_START(CM_X300, "CM-X300 module") - .phys_io = 0x40000000, - .boot_params = 0xa0000100, - .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, - .map_io = pxa_map_io, + .atag_offset = 0x100, + .map_io = pxa3xx_map_io, + .nr_irqs = PXA_NR_IRQS, .init_irq = pxa3xx_init_irq, - .timer = &pxa_timer, + .handle_irq = pxa3xx_handle_irq, + .init_time = pxa_timer_init, .init_machine = cm_x300_init, .fixup = cm_x300_fixup, + .restart = pxa_restart, MACHINE_END |