diff options
Diffstat (limited to 'arch/arm/mach-ux500/board-mop500.c')
| -rw-r--r-- | arch/arm/mach-ux500/board-mop500.c | 171 |
1 files changed, 143 insertions, 28 deletions
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index 5c00712907d..d0799d59221 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -30,6 +30,9 @@ #include <linux/gpio_keys.h> #include <linux/delay.h> +#include <linux/of.h> +#include <linux/of_platform.h> + #include <linux/leds.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -226,7 +229,12 @@ static struct tps6105x_platform_data mop500_tps61052_data = { static void mop500_tc35892_init(struct tc3589x *tc3589x, unsigned int base) { - mop500_sdi_tc35892_init(); + struct device *parent = NULL; +#if 0 + /* FIXME: Is the sdi actually part of tc3589x? */ + parent = tc3589x->dev; +#endif + mop500_sdi_tc35892_init(parent); } static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data = { @@ -353,12 +361,12 @@ U8500_I2C_CONTROLLER(1, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST); U8500_I2C_CONTROLLER(2, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST); U8500_I2C_CONTROLLER(3, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST); -static void __init mop500_i2c_init(void) +static void __init mop500_i2c_init(struct device *parent) { - db8500_add_i2c0(&u8500_i2c0_data); - db8500_add_i2c1(&u8500_i2c1_data); - db8500_add_i2c2(&u8500_i2c2_data); - db8500_add_i2c3(&u8500_i2c3_data); + db8500_add_i2c0(parent, &u8500_i2c0_data); + db8500_add_i2c1(parent, &u8500_i2c1_data); + db8500_add_i2c2(parent, &u8500_i2c2_data); + db8500_add_i2c3(parent, &u8500_i2c3_data); } static struct gpio_keys_button mop500_gpio_keys[] = { @@ -435,7 +443,7 @@ static struct stedma40_chan_cfg ssp0_dma_cfg_tx = { }; #endif -static struct pl022_ssp_controller ssp0_platform_data = { +static struct pl022_ssp_controller ssp0_plat = { .bus_id = 0, #ifdef CONFIG_STE_DMA40 .enable_dma = 1, @@ -451,9 +459,9 @@ static struct pl022_ssp_controller ssp0_platform_data = { .num_chipselect = 5, }; -static void __init mop500_spi_init(void) +static void __init mop500_spi_init(struct device *parent) { - db8500_add_ssp0(&ssp0_platform_data); + db8500_add_ssp0(parent, &ssp0_plat); } #ifdef CONFIG_STE_DMA40 @@ -587,11 +595,11 @@ static struct amba_pl011_data uart2_plat = { #endif }; -static void __init mop500_uart_init(void) +static void __init mop500_uart_init(struct device *parent) { - db8500_add_uart0(&uart0_plat); - db8500_add_uart1(&uart1_plat); - db8500_add_uart2(&uart2_plat); + db8500_add_uart0(parent, &uart0_plat); + db8500_add_uart1(parent, &uart1_plat); + db8500_add_uart2(parent, &uart2_plat); } static struct platform_device *snowball_platform_devs[] __initdata = { @@ -603,21 +611,27 @@ static struct platform_device *snowball_platform_devs[] __initdata = { static void __init mop500_init_machine(void) { + struct device *parent = NULL; int i2c0_devs; + int i; mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR; - u8500_init_devices(); + parent = u8500_init_devices(); mop500_pins_init(); + /* FIXME: parent of ab8500 should be prcmu */ + for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++) + mop500_platform_devs[i]->dev.parent = parent; + platform_add_devices(mop500_platform_devs, ARRAY_SIZE(mop500_platform_devs)); - mop500_i2c_init(); - mop500_sdi_init(); - mop500_spi_init(); - mop500_uart_init(); + mop500_i2c_init(parent); + mop500_sdi_init(parent); + mop500_spi_init(parent); + mop500_uart_init(parent); i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices); @@ -631,19 +645,24 @@ static void __init mop500_init_machine(void) static void __init snowball_init_machine(void) { + struct device *parent = NULL; int i2c0_devs; + int i; - u8500_init_devices(); + parent = u8500_init_devices(); snowball_pins_init(); + for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++) + snowball_platform_devs[i]->dev.parent = parent; + platform_add_devices(snowball_platform_devs, ARRAY_SIZE(snowball_platform_devs)); - mop500_i2c_init(); - snowball_sdi_init(); - mop500_spi_init(); - mop500_uart_init(); + mop500_i2c_init(parent); + snowball_sdi_init(parent); + mop500_spi_init(parent); + mop500_uart_init(parent); i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices); i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs); @@ -656,7 +675,9 @@ static void __init snowball_init_machine(void) static void __init hrefv60_init_machine(void) { + struct device *parent = NULL; int i2c0_devs; + int i; /* * The HREFv60 board removed a GPIO expander and routed @@ -665,17 +686,20 @@ static void __init hrefv60_init_machine(void) */ mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO; - u8500_init_devices(); + parent = u8500_init_devices(); hrefv60_pins_init(); + for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++) + mop500_platform_devs[i]->dev.parent = parent; + platform_add_devices(mop500_platform_devs, ARRAY_SIZE(mop500_platform_devs)); - mop500_i2c_init(); - hrefv60_sdi_init(); - mop500_spi_init(); - mop500_uart_init(); + mop500_i2c_init(parent); + hrefv60_sdi_init(parent); + mop500_spi_init(parent); + mop500_uart_init(parent); i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices); @@ -718,3 +742,94 @@ MACHINE_START(SNOWBALL, "Calao Systems Snowball platform") .handle_irq = gic_handle_irq, .init_machine = snowball_init_machine, MACHINE_END + +#ifdef CONFIG_MACH_UX500_DT + +struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = { + OF_DEV_AUXDATA("arm,pl011", 0x80120000, "uart0", &uart0_plat), + OF_DEV_AUXDATA("arm,pl011", 0x80121000, "uart1", &uart1_plat), + OF_DEV_AUXDATA("arm,pl011", 0x80007000, "uart2", &uart2_plat), + OF_DEV_AUXDATA("arm,pl022", 0x80002000, "ssp0", &ssp0_plat), + {}, +}; + +static const struct of_device_id u8500_soc_node[] = { + /* only create devices below soc node */ + { .compatible = "stericsson,db8500", }, + { }, +}; + +static void __init u8500_init_machine(void) +{ + struct device *parent = NULL; + int i2c0_devs; + int i; + + parent = u8500_init_devices(); + i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices); + + for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++) + mop500_platform_devs[i]->dev.parent = parent; + for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++) + snowball_platform_devs[i]->dev.parent = parent; + + /* automatically probe child nodes of db8500 device */ + of_platform_populate(NULL, u8500_soc_node, u8500_auxdata_lookup, parent); + + if (of_machine_is_compatible("st-ericsson,mop500")) { + mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR; + mop500_pins_init(); + + platform_add_devices(mop500_platform_devs, + ARRAY_SIZE(mop500_platform_devs)); + + mop500_sdi_init(parent); + } else if (of_machine_is_compatible("calaosystems,snowball-a9500")) { + snowball_pins_init(); + platform_add_devices(snowball_platform_devs, + ARRAY_SIZE(snowball_platform_devs)); + + snowball_sdi_init(parent); + } else if (of_machine_is_compatible("st-ericsson,hrefv60+")) { + /* + * The HREFv60 board removed a GPIO expander and routed + * all these GPIO pins to the internal GPIO controller + * instead. + */ + mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO; + i2c0_devs -= NUM_PRE_V60_I2C0_DEVICES; + hrefv60_pins_init(); + platform_add_devices(mop500_platform_devs, + ARRAY_SIZE(mop500_platform_devs)); + + hrefv60_sdi_init(parent); + } + mop500_i2c_init(parent); + + i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs); + i2c_register_board_info(2, mop500_i2c2_devices, + ARRAY_SIZE(mop500_i2c2_devices)); + + /* This board has full regulator constraints */ + regulator_has_full_constraints(); +} + +static const char * u8500_dt_board_compat[] = { + "calaosystems,snowball-a9500", + "st-ericsson,hrefv60+", + "st-ericsson,u8500", + "st-ericsson,mop500", + NULL, +}; + + +DT_MACHINE_START(U8500_DT, "ST-Ericsson U8500 platform (Device Tree Support)") + .map_io = u8500_map_io, + .init_irq = ux500_init_irq, + /* we re-use nomadik timer here */ + .timer = &ux500_timer, + .handle_irq = gic_handle_irq, + .init_machine = u8500_init_machine, + .dt_compat = u8500_dt_board_compat, +MACHINE_END +#endif |