diff options
Diffstat (limited to 'arch/arm/mach-ux500/board-mop500.c')
| -rw-r--r-- | arch/arm/mach-ux500/board-mop500.c | 44 |
1 files changed, 31 insertions, 13 deletions
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index 0e8fd135a57d..fcb587f825cc 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -28,8 +28,10 @@ #include <mach/hardware.h> #include <mach/setup.h> #include <mach/devices.h> +#include <mach/irqs.h> #include "pins-db8500.h" +#include "board-mop500.h" static pin_cfg_t mop500_pins[] = { /* SSP0 */ @@ -55,19 +57,13 @@ static void ab4500_spi_cs_control(u32 command) } struct pl022_config_chip ab4500_chip_info = { - .lbm = LOOPBACK_DISABLED, .com_mode = INTERRUPT_TRANSFER, .iface = SSP_INTERFACE_MOTOROLA_SPI, /* we can act as master only */ .hierarchy = SSP_MASTER, .slave_tx_disable = 0, - .endian_rx = SSP_RX_MSB, - .endian_tx = SSP_TX_MSB, - .data_size = SSP_DATA_BITS_24, .rx_lev_trig = SSP_RX_1_OR_MORE_ELEM, .tx_lev_trig = SSP_TX_1_OR_MORE_EMPTY_LOC, - .clk_phase = SSP_CLK_SECOND_EDGE, - .clk_pol = SSP_CLK_POL_IDLE_HIGH, .cs_control = ab4500_spi_cs_control, }; @@ -75,15 +71,33 @@ static struct ab8500_platform_data ab8500_platdata = { .irq_base = MOP500_AB8500_IRQ_BASE, }; -static struct spi_board_info u8500_spi_devices[] = { +static struct resource ab8500_resources[] = { + [0] = { + .start = IRQ_AB8500, + .end = IRQ_AB8500, + .flags = IORESOURCE_IRQ + } +}; + +struct platform_device ab8500_device = { + .name = "ab8500-i2c", + .id = 0, + .dev = { + .platform_data = &ab8500_platdata, + }, + .num_resources = 1, + .resource = ab8500_resources, +}; + +static struct spi_board_info ab8500_spi_devices[] = { { - .modalias = "ab8500", + .modalias = "ab8500-spi", .controller_data = &ab4500_chip_info, .platform_data = &ab8500_platdata, .max_speed_hz = 12000000, .bus_num = 0, .chip_select = 0, - .mode = SPI_MODE_0, + .mode = SPI_MODE_3, .irq = IRQ_DB8500_AB8500, }, }; @@ -163,14 +177,18 @@ static void __init u8500_init_machine(void) platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); - spi_register_board_info(u8500_spi_devices, - ARRAY_SIZE(u8500_spi_devices)); + mop500_sdi_init(); + + /* If HW is early drop (ED) or V1.0 then use SPI to access AB8500 */ + if (cpu_is_u8500ed() || cpu_is_u8500v10()) + spi_register_board_info(ab8500_spi_devices, + ARRAY_SIZE(ab8500_spi_devices)); + else /* If HW is v.1.1 or later use I2C to access AB8500 */ + platform_device_register(&ab8500_device); } MACHINE_START(U8500, "ST-Ericsson MOP500 platform") /* Maintainer: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> */ - .phys_io = U8500_UART2_BASE, - .io_pg_offst = (IO_ADDRESS(U8500_UART2_BASE) >> 18) & 0xfffc, .boot_params = 0x100, .map_io = u8500_map_io, .init_irq = ux500_init_irq, |