diff options
Diffstat (limited to 'arch/arm/mach-pxa/icontrol.c')
| -rw-r--r-- | arch/arm/mach-pxa/icontrol.c | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/arch/arm/mach-pxa/icontrol.c b/arch/arm/mach-pxa/icontrol.c deleted file mode 100644 index 624088257cfc..000000000000 --- a/arch/arm/mach-pxa/icontrol.c +++ /dev/null @@ -1,218 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * linux/arch/arm/mach-pxa/icontrol.c - * - * Support for the iControl and SafeTcam platforms from TMT Services - * using the Embedian MXM-8x10 Computer on Module - * - * Copyright (C) 2009 TMT Services & Supplies (Pty) Ltd. - * - * 2010-01-21 Hennie van der Merve <hvdmerwe@tmtservies.co.za> - */ - -#include <linux/irq.h> -#include <linux/platform_device.h> -#include <linux/property.h> -#include <linux/gpio/machine.h> - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> - -#include "pxa320.h" -#include "mxm8x10.h" - -#include <linux/spi/spi.h> -#include <linux/spi/pxa2xx_spi.h> -#include <linux/regulator/machine.h> - -#include "generic.h" - -#define ICONTROL_MCP251x_nCS1 (15) -#define ICONTROL_MCP251x_nCS2 (16) -#define ICONTROL_MCP251x_nCS3 (17) -#define ICONTROL_MCP251x_nCS4 (24) - -#define ICONTROL_MCP251x_nIRQ1 (74) -#define ICONTROL_MCP251x_nIRQ2 (75) -#define ICONTROL_MCP251x_nIRQ3 (76) -#define ICONTROL_MCP251x_nIRQ4 (77) - -static struct pxa2xx_spi_chip mcp251x_chip_info1 = { - .tx_threshold = 8, - .rx_threshold = 128, - .dma_burst_size = 8, - .timeout = 235, -}; - -static struct pxa2xx_spi_chip mcp251x_chip_info2 = { - .tx_threshold = 8, - .rx_threshold = 128, - .dma_burst_size = 8, - .timeout = 235, -}; - -static struct pxa2xx_spi_chip mcp251x_chip_info3 = { - .tx_threshold = 8, - .rx_threshold = 128, - .dma_burst_size = 8, - .timeout = 235, -}; - -static struct pxa2xx_spi_chip mcp251x_chip_info4 = { - .tx_threshold = 8, - .rx_threshold = 128, - .dma_burst_size = 8, - .timeout = 235, -}; - -static const struct property_entry mcp251x_properties[] = { - PROPERTY_ENTRY_U32("clock-frequency", 16000000), - {} -}; - -static const struct software_node mcp251x_node = { - .properties = mcp251x_properties, -}; - -static struct spi_board_info mcp251x_board_info[] = { - { - .modalias = "mcp2515", - .max_speed_hz = 6500000, - .bus_num = 3, - .chip_select = 0, - .swnode = &mcp251x_node, - .controller_data = &mcp251x_chip_info1, - .irq = PXA_GPIO_TO_IRQ(ICONTROL_MCP251x_nIRQ1) - }, - { - .modalias = "mcp2515", - .max_speed_hz = 6500000, - .bus_num = 3, - .chip_select = 1, - .swnode = &mcp251x_node, - .controller_data = &mcp251x_chip_info2, - .irq = PXA_GPIO_TO_IRQ(ICONTROL_MCP251x_nIRQ2) - }, - { - .modalias = "mcp2515", - .max_speed_hz = 6500000, - .bus_num = 4, - .chip_select = 0, - .swnode = &mcp251x_node, - .controller_data = &mcp251x_chip_info3, - .irq = PXA_GPIO_TO_IRQ(ICONTROL_MCP251x_nIRQ3) - }, - { - .modalias = "mcp2515", - .max_speed_hz = 6500000, - .bus_num = 4, - .chip_select = 1, - .swnode = &mcp251x_node, - .controller_data = &mcp251x_chip_info4, - .irq = PXA_GPIO_TO_IRQ(ICONTROL_MCP251x_nIRQ4) - } -}; - -static struct pxa2xx_spi_controller pxa_ssp3_spi_master_info = { - .num_chipselect = 2, - .enable_dma = 1 -}; - -static struct pxa2xx_spi_controller pxa_ssp4_spi_master_info = { - .num_chipselect = 2, - .enable_dma = 1 -}; - -struct platform_device pxa_spi_ssp3 = { - .name = "pxa2xx-spi", - .id = 3, - .dev = { - .platform_data = &pxa_ssp3_spi_master_info, - } -}; - -struct platform_device pxa_spi_ssp4 = { - .name = "pxa2xx-spi", - .id = 4, - .dev = { - .platform_data = &pxa_ssp4_spi_master_info, - } -}; - -static struct gpiod_lookup_table pxa_ssp3_gpio_table = { - .dev_id = "spi3", - .table = { - GPIO_LOOKUP_IDX("gpio-pxa", ICONTROL_MCP251x_nCS1, "cs", 0, GPIO_ACTIVE_LOW), - GPIO_LOOKUP_IDX("gpio-pxa", ICONTROL_MCP251x_nCS2, "cs", 1, GPIO_ACTIVE_LOW), - { }, - }, -}; - -static struct gpiod_lookup_table pxa_ssp4_gpio_table = { - .dev_id = "spi4", - .table = { - GPIO_LOOKUP_IDX("gpio-pxa", ICONTROL_MCP251x_nCS3, "cs", 0, GPIO_ACTIVE_LOW), - GPIO_LOOKUP_IDX("gpio-pxa", ICONTROL_MCP251x_nCS4, "cs", 1, GPIO_ACTIVE_LOW), - { }, - }, -}; - -static struct platform_device *icontrol_spi_devices[] __initdata = { - &pxa_spi_ssp3, - &pxa_spi_ssp4, -}; - -static mfp_cfg_t mfp_can_cfg[] __initdata = { - /* CAN CS lines */ - GPIO15_GPIO, - GPIO16_GPIO, - GPIO17_GPIO, - GPIO24_GPIO, - - /* SPI (SSP3) lines */ - GPIO89_SSP3_SCLK, - GPIO91_SSP3_TXD, - GPIO92_SSP3_RXD, - - /* SPI (SSP4) lines */ - GPIO93_SSP4_SCLK, - GPIO95_SSP4_TXD, - GPIO96_SSP4_RXD, - - /* CAN nIRQ lines */ - GPIO74_GPIO | MFP_LPM_EDGE_RISE, - GPIO75_GPIO | MFP_LPM_EDGE_RISE, - GPIO76_GPIO | MFP_LPM_EDGE_RISE, - GPIO77_GPIO | MFP_LPM_EDGE_RISE -}; - -static void __init icontrol_can_init(void) -{ - pxa3xx_mfp_config(ARRAY_AND_SIZE(mfp_can_cfg)); - gpiod_add_lookup_table(&pxa_ssp3_gpio_table); - gpiod_add_lookup_table(&pxa_ssp4_gpio_table); - platform_add_devices(ARRAY_AND_SIZE(icontrol_spi_devices)); - spi_register_board_info(ARRAY_AND_SIZE(mcp251x_board_info)); -} - -static void __init icontrol_init(void) -{ - mxm_8x10_barebones_init(); - mxm_8x10_usb_host_init(); - mxm_8x10_mmc_init(); - - icontrol_can_init(); - - regulator_has_full_constraints(); -} - -MACHINE_START(ICONTROL, "iControl/SafeTcam boards using Embedian MXM-8x10 CoM") - .atag_offset = 0x100, - .map_io = pxa3xx_map_io, - .nr_irqs = PXA_NR_IRQS, - .init_irq = pxa3xx_init_irq, - .handle_irq = pxa3xx_handle_irq, - .init_time = pxa_timer_init, - .init_machine = icontrol_init, - .restart = pxa_restart, -MACHINE_END |