diff options
Diffstat (limited to 'arch/arm/mach-pxa/pxa3xx.c')
| -rw-r--r-- | arch/arm/mach-pxa/pxa3xx.c | 52 |
1 files changed, 43 insertions, 9 deletions
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index b5cd9e5aba3..87011f3de69 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -12,27 +12,28 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ - #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> +#include <linux/gpio-pxa.h> #include <linux/pm.h> #include <linux/platform_device.h> #include <linux/irq.h> #include <linux/io.h> +#include <linux/of.h> #include <linux/syscore_ops.h> #include <linux/i2c/pxa-i2c.h> #include <asm/mach/map.h> #include <asm/suspend.h> #include <mach/hardware.h> -#include <mach/gpio.h> #include <mach/pxa3xx-regs.h> #include <mach/reset.h> -#include <mach/ohci.h> +#include <linux/platform_data/usb-ohci-pxa27x.h> #include <mach/pm.h> #include <mach/dma.h> #include <mach/smemc.h> +#include <mach/irqs.h> #include "generic.h" #include "devices.h" @@ -41,6 +42,8 @@ #define PECR_IE(n) ((1 << ((n) * 2)) << 28) #define PECR_IS(n) ((1 << ((n) * 2)) << 29) +extern void __init pxa_dt_irq_init(int (*fn)(struct irq_data *, unsigned int)); + static DEFINE_PXA3_CKEN(pxa3xx_ffuart, FFUART, 14857000, 1); static DEFINE_PXA3_CKEN(pxa3xx_btuart, BTUART, 14857000, 1); static DEFINE_PXA3_CKEN(pxa3xx_stuart, STUART, 14857000, 1); @@ -57,6 +60,7 @@ static DEFINE_PXA3_CKEN(pxa3xx_pwm0, PWM0, 13000000, 0); static DEFINE_PXA3_CKEN(pxa3xx_pwm1, PWM1, 13000000, 0); static DEFINE_PXA3_CKEN(pxa3xx_mmc1, MMC1, 19500000, 0); static DEFINE_PXA3_CKEN(pxa3xx_mmc2, MMC2, 19500000, 0); +static DEFINE_PXA3_CKEN(pxa3xx_gpio, GPIO, 13000000, 0); static DEFINE_CK(pxa3xx_lcd, LCD, &clk_pxa3xx_hsio_ops); static DEFINE_CK(pxa3xx_smemc, SMC, &clk_pxa3xx_smemc_ops); @@ -89,6 +93,9 @@ static struct clk_lookup pxa3xx_clkregs[] = { INIT_CLKREG(&clk_pxa3xx_mmc1, "pxa2xx-mci.0", NULL), INIT_CLKREG(&clk_pxa3xx_mmc2, "pxa2xx-mci.1", NULL), INIT_CLKREG(&clk_pxa3xx_smemc, "pxa2xx-pcmcia", NULL), + INIT_CLKREG(&clk_pxa3xx_gpio, "pxa3xx-gpio", NULL), + INIT_CLKREG(&clk_pxa3xx_gpio, "pxa93x-gpio", NULL), + INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), }; #ifdef CONFIG_PM @@ -366,7 +373,8 @@ static struct irq_chip pxa_ext_wakeup_chip = { .irq_set_type = pxa_set_ext_wakeup_type, }; -static void __init pxa_init_ext_wakeup_irq(set_wake_t fn) +static void __init pxa_init_ext_wakeup_irq(int (*fn)(struct irq_data *, + unsigned int)) { int irq; @@ -379,7 +387,7 @@ static void __init pxa_init_ext_wakeup_irq(set_wake_t fn) pxa_ext_wakeup_chip.irq_set_wake = fn; } -void __init pxa3xx_init_irq(void) +static void __init __pxa3xx_init_irq(void) { /* enable CP6 access */ u32 value; @@ -387,14 +395,26 @@ void __init pxa3xx_init_irq(void) value |= (1 << 6); __asm__ __volatile__("mcr p15, 0, %0, c15, c1, 0\n": :"r"(value)); - pxa_init_irq(56, pxa3xx_set_wake); pxa_init_ext_wakeup_irq(pxa3xx_set_wake); - pxa_init_gpio(IRQ_GPIO_2_x, 2, 127, NULL); } +void __init pxa3xx_init_irq(void) +{ + __pxa3xx_init_irq(); + pxa_init_irq(56, pxa3xx_set_wake); +} + +#ifdef CONFIG_OF +void __init pxa3xx_dt_init_irq(void) +{ + __pxa3xx_init_irq(); + pxa_dt_irq_init(pxa3xx_set_wake); +} +#endif /* CONFIG_OF */ + static struct map_desc pxa3xx_io_desc[] __initdata = { { /* Mem Ctl */ - .virtual = SMEMC_VIRT, + .virtual = (unsigned long)SMEMC_VIRT, .pfn = __phys_to_pfn(PXA3XX_SMEMC_BASE), .length = 0x00200000, .type = MT_DEVICE @@ -417,6 +437,10 @@ void __init pxa3xx_set_i2c_power_info(struct i2c_pxa_platform_data *info) pxa_register_device(&pxa3xx_device_i2c_power, info); } +static struct pxa_gpio_platform_data pxa3xx_gpio_pdata = { + .irq_base = PXA_GPIO_TO_IRQ(0), +}; + static struct platform_device *devices[] __initdata = { &pxa27x_device_udc, &pxa_device_pmu, @@ -461,10 +485,20 @@ static int __init pxa3xx_init(void) register_syscore_ops(&pxa_irq_syscore_ops); register_syscore_ops(&pxa3xx_mfp_syscore_ops); - register_syscore_ops(&pxa_gpio_syscore_ops); register_syscore_ops(&pxa3xx_clock_syscore_ops); + if (of_have_populated_dt()) + return 0; + ret = platform_add_devices(devices, ARRAY_SIZE(devices)); + if (ret) + return ret; + if (cpu_is_pxa300() || cpu_is_pxa310() || cpu_is_pxa320()) { + platform_device_add_data(&pxa3xx_device_gpio, + &pxa3xx_gpio_pdata, + sizeof(pxa3xx_gpio_pdata)); + ret = platform_device_register(&pxa3xx_device_gpio); + } } return ret; |