[PATCH 1/1] ARM: imx: Add DTSC02 platform (i.MX27)
Gaëtan Carlier
gcembed at gmail.com
Thu Mar 27 11:29:13 EDT 2014
Signed-off-by: Gaëtan Carlier <gcembed at gmail.com>
---
arch/arm/mach-imx/Kconfig | 17 ++
arch/arm/mach-imx/Makefile | 1 +
arch/arm/mach-imx/mach-dtsc02.c | 416 +++++++++++++++++++++++++++++++++++++++
3 files changed, 434 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-imx/mach-dtsc02.c
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 5740296d..dd3679e 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -419,6 +419,23 @@ config MACH_IMX27IPCAM
Include support for IMX27 IPCAM platform. This includes specific
configurations for the board and its peripherals.
+config MACH_DTSC02
+ bool "DTSC02 platform"
+ select SOC_IMX27
+ select IMX_HAVE_PLATFORM_IMX2_WDT
+ select IMX_HAVE_PLATFORM_IMX_I2C
+ select IMX_HAVE_PLATFORM_IMX_SSI
+ select IMX_HAVE_PLATFORM_IMX_UART
+ select IMX_HAVE_PLATFORM_SPI_IMX
+ select IMX_HAVE_PLATFORM_MXC_MMC
+ select MMC
+ select MMC_MXC
+ select IMX_HAVE_PLATFORM_IMX_FB
+ select IMX_HAVE_PLATFORM_MXC_NAND
+ help
+ Include support for i.MX27 DTSC02 platform. This includes specific
+ configurations for the board and its peripherals.
+
config MACH_IMX27_DT
bool "Support i.MX27 platforms from device tree"
select SOC_IMX27
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index f4ed830..d9c4848 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -67,6 +67,7 @@ obj-$(CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD) += eukrea_mbimx27-baseboard.o
obj-$(CONFIG_MACH_PCA100) += mach-pca100.o
obj-$(CONFIG_MACH_MXT_TD60) += mach-mxt_td60.o
obj-$(CONFIG_MACH_IMX27IPCAM) += mach-imx27ipcam.o
+obj-$(CONFIG_MACH_DTSC02) += mach-dtsc02.o
obj-$(CONFIG_MACH_IMX27_DT) += imx27-dt.o
# i.MX31 based machines
diff --git a/arch/arm/mach-imx/mach-dtsc02.c b/arch/arm/mach-imx/mach-dtsc02.c
new file mode 100644
index 0000000..da91c12
--- /dev/null
+++ b/arch/arm/mach-imx/mach-dtsc02.c
@@ -0,0 +1,416 @@
+/*
+ * Copyright (C) 2014 Gaetan Carlier <gcembed at gmail.com>.
+ *
+ * based on mach-mx27_3ds.c which is
+ * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * and authored by Fabio Estevam <fabio.estevam at freescale.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/irq.h>
+#include <linux/delay.h>
+#include <linux/mfd/mc13783.h>
+#include <linux/spi/spi.h>
+#include <linux/regulator/machine.h>
+#include <linux/platform_data/at24.h>
+#include <linux/platform_data/mtd-mxc_nand.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#include "common.h"
+#include "devices-imx27.h"
+#include "hardware.h"
+#include "iomux-mx27.h"
+
+#define SPI2_SS0 IMX_GPIO_NR(4, 21)
+#define PMIC_INT IMX_GPIO_NR(3, 14)
+#define LCD_RESET IMX_GPIO_NR(1, 3)
+#define LCD_ENABLE IMX_GPIO_NR(1, 31)
+#define SD1_CD IMX_GPIO_NR(2, 26)
+#define SD1_EN_GPIO IMX_GPIO_NR(2, 25)
+
+static const int dtsc02_pins[] __initconst = {
+ /* UART1 */
+ PE12_PF_UART1_TXD,
+ PE13_PF_UART1_RXD,
+ PE14_PF_UART1_CTS,
+ PE15_PF_UART1_RTS,
+ /* UART2 */
+ PE6_PF_UART2_TXD,
+ PE7_PF_UART2_RXD,
+ PE3_PF_UART2_CTS,
+ PE4_PF_UART2_RTS,
+ /* UART3 */
+ PE8_PF_UART3_TXD,
+ PE9_PF_UART3_RXD,
+ PE10_PF_UART3_CTS,
+ PE11_PF_UART3_RTS,
+ /* FEC */
+ PD0_AIN_FEC_TXD0,
+ PD1_AIN_FEC_TXD1,
+ PD2_AIN_FEC_TXD2,
+ PD3_AIN_FEC_TXD3,
+ PD4_AOUT_FEC_RX_ER,
+ PD5_AOUT_FEC_RXD1,
+ PD6_AOUT_FEC_RXD2,
+ PD7_AOUT_FEC_RXD3,
+ PD8_AF_FEC_MDIO,
+ PD9_AIN_FEC_MDC,
+ PD10_AOUT_FEC_CRS,
+ PD11_AOUT_FEC_TX_CLK,
+ PD12_AOUT_FEC_RXD0,
+ PD13_AOUT_FEC_RX_DV,
+ PD14_AOUT_FEC_RX_CLK,
+ PD15_AOUT_FEC_COL,
+ PD16_AIN_FEC_TX_ER,
+ PF23_AIN_FEC_TX_EN,
+ /* SDHC1 */
+ PE18_PF_SD1_D0,
+ PE19_PF_SD1_D1,
+ PE20_PF_SD1_D2,
+ PE21_PF_SD1_D3,
+ PE22_PF_SD1_CMD,
+ PE23_PF_SD1_CLK,
+ SD1_EN_GPIO | GPIO_GPIO | GPIO_OUT,
+ /* I2C2 */
+ PC5_PF_I2C2_SDA,
+ PC6_PF_I2C2_SCL,
+ /* CSPI2 */
+ PD22_PF_CSPI2_SCLK,
+ PD23_PF_CSPI2_MISO,
+ PD24_PF_CSPI2_MOSI,
+ SPI2_SS0 | GPIO_GPIO | GPIO_OUT,
+ /* I2C1 */
+ PD17_PF_I2C_DATA,
+ PD18_PF_I2C_CLK,
+ /* PMIC INT */
+ PMIC_INT | GPIO_GPIO | GPIO_IN,
+ /* LCD */
+ PA5_PF_LSCLK,
+ PA6_PF_LD0,
+ PA7_PF_LD1,
+ PA8_PF_LD2,
+ PA9_PF_LD3,
+ PA10_PF_LD4,
+ PA11_PF_LD5,
+ PA12_PF_LD6,
+ PA13_PF_LD7,
+ PA14_PF_LD8,
+ PA15_PF_LD9,
+ PA16_PF_LD10,
+ PA17_PF_LD11,
+ PA18_PF_LD12,
+ PA19_PF_LD13,
+ PA20_PF_LD14,
+ PA21_PF_LD15,
+ PA22_PF_LD16,
+ PA23_PF_LD17,
+ PA28_PF_HSYNC,
+ PA29_PF_VSYNC,
+ PA30_PF_CONTRAST,
+ LCD_ENABLE | GPIO_GPIO | GPIO_OUT,
+ LCD_RESET | GPIO_GPIO | GPIO_OUT,
+};
+
+static const struct imxuart_platform_data uart0_pdata __initconst = {
+ /* Console port */
+ .flags = IMXUART_HAVE_RTSCTS,
+};
+
+static const struct imxuart_platform_data uart1_pdata __initconst = {
+ /* IR port */
+};
+
+static const struct imxuart_platform_data uart2_pdata __initconst = {
+ /* BUS port */
+ .flags = IMXUART_HAVE_RTSCTS,
+};
+
+static int dtsc02_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
+ void *data)
+{
+ return request_irq(gpio_to_irq(SD1_CD), detect_irq,
+ IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
+ "sdhc1-card-detect", data);
+}
+
+static void dtsc02_sdhc1_exit(struct device *dev, void *data)
+{
+ free_irq(gpio_to_irq(SD1_CD), data);
+}
+
+static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
+ .init = dtsc02_sdhc1_init,
+ .exit = dtsc02_sdhc1_exit,
+};
+
+static void dtsc02_sdhc1_enable_level_translator(void)
+{
+ /* Turn on TXB0108 OE pin */
+ gpio_request(SD1_EN_GPIO, "sd1_enable");
+ gpio_direction_output(SD1_EN_GPIO, 1);
+}
+
+/* Regulators */
+static struct regulator_consumer_supply vgen_consumers[] = {
+ REGULATOR_SUPPLY("lcd", "imx21-fb.0"),
+};
+
+static struct regulator_init_data vgen_init = {
+ .constraints = {
+ .min_uV = 2775000,
+ .max_uV = 2775000,
+ .apply_uV = 1,
+ .always_on = 1,
+ .boot_on = 1,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(vgen_consumers),
+ .consumer_supplies = vgen_consumers,
+};
+
+static struct regulator_init_data sw1a_init = {
+ .constraints = {
+ .min_uV = 1600000,
+ .max_uV = 1600000,
+ .apply_uV = 1,
+ .always_on = 1,
+ .boot_on = 1,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS,
+ },
+};
+
+static struct regulator_init_data sw2a_init = {
+ .constraints = {
+ .min_uV = 1800000,
+ .max_uV = 1800000,
+ .apply_uV = 1,
+ .always_on = 1,
+ .boot_on = 1,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS,
+ },
+};
+
+static struct regulator_init_data sw2b_init = {
+ .constraints = {
+ .min_uV = 1800000,
+ .max_uV = 1800000,
+ .apply_uV = 1,
+ .always_on = 1,
+ .boot_on = 1,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS,
+ },
+};
+
+static struct regulator_consumer_supply sw3_consumers[] = {
+ /* Needed for external adapter */
+ REGULATOR_SUPPLY("vdd", "imx21-uart.0"),
+ /* Needed for external IR receiver */
+ REGULATOR_SUPPLY("vdd", "imx21-uart.1"),
+};
+
+static struct regulator_init_data sw3_init = {
+ .constraints = {
+ .min_uV = 5000000,
+ .max_uV = 5000000,
+ .apply_uV = 1,
+ .always_on = 1,
+ .boot_on = 1,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(sw3_consumers),
+ .consumer_supplies = sw3_consumers,
+};
+
+static struct regulator_init_data gpo_init = {
+ .constraints = {
+ .boot_on = 1,
+ .always_on = 1,
+ }
+};
+
+static struct mc13xxx_regulator_init_data dtsc02_regulators[] = {
+ {
+ .id = MC13783_REG_VGEN,
+ .init_data = &vgen_init,
+ }, {
+ /* 1.6V */
+ .id = MC13783_REG_SW1A,
+ .init_data = &sw1a_init,
+ }, {
+ /* 1.8V */
+ .id = MC13783_REG_SW2A,
+ .init_data = &sw2a_init,
+ }, {
+ /* 1.8V */
+ .id = MC13783_REG_SW2B,
+ .init_data = &sw2b_init,
+ }, {
+ /* 3.3V */
+ .id = MC13783_REG_SW3,
+ .init_data = &sw3_init,
+ }, {
+ .id = MC13783_REG_GPO1, /* Turn on 1.8V */
+ .init_data = &gpo_init,
+ }, {
+ .id = MC13783_REG_GPO3, /* Turn on SW2B 1.8V */
+ .init_data = &gpo_init,
+ }
+};
+
+
+/* MC13783 */
+static struct mc13xxx_platform_data mc13783_pdata = {
+ .regulators = {
+ .regulators = dtsc02_regulators,
+ .num_regulators = ARRAY_SIZE(dtsc02_regulators),
+
+ },
+ .flags = MC13XXX_USE_TOUCHSCREEN | MC13XXX_USE_ADC |
+ MC13XXX_USE_RTC,
+};
+
+/* SPI */
+static int spi2_chipselect[] = {SPI2_SS0};
+
+static const struct spi_imx_master spi2_pdata __initconst = {
+ .chipselect = spi2_chipselect,
+ .num_chipselect = ARRAY_SIZE(spi2_chipselect),
+};
+
+/* AT24 eeprom */
+static struct at24_platform_data at24c01 = {
+ .byte_len = SZ_1K / 8,
+ .page_size = 1,
+ .flags = AT24_FLAG_IRUGO,
+};
+
+static struct i2c_board_info dtsc02_i2c1_devices[] = {
+ {
+ I2C_BOARD_INFO("24c01", 0x50),
+ .platform_data = &at24c01,
+ },
+ /* more devices can be added using expansion connectors */
+};
+
+static struct imx_fb_videomode dtsc02_modes[] = {
+ { /* 640x480 @ 60 Hz */
+ .mode = {
+ .name = "Hitachi-VGA",
+ .refresh = 60,
+ .xres = 640,
+ .yres = 480,
+ .pixclock = 39710,
+ .left_margin = 144,
+ .right_margin = 82,
+ .upper_margin = 12,
+ .lower_margin = 2,
+ .hsync_len = 1,
+ .vsync_len = 1,
+ .sync = FB_SYNC_HOR_HIGH_ACT |
+ FB_SYNC_VERT_HIGH_ACT,
+ .vmode = FB_VMODE_NONINTERLACED,
+ .flag = 0,
+ },
+ .bpp = 16,
+ .pcr = 0xFAC08B84,
+ },
+};
+
+static const struct imx_fb_platform_data dtsc02_fb_data __initconst = {
+ .mode = dtsc02_modes,
+ .num_modes = ARRAY_SIZE(dtsc02_modes),
+ .pwmr = 0x00A903FF,
+ .lscr1 = 0x00120300,
+ .dmacr = 0x00040060,
+};
+
+static struct spi_board_info dtsc02_spi_devs[] __initdata = {
+ {
+ .modalias = "mc13783",
+ .max_speed_hz = 1000000,
+ .bus_num = 1,
+ .chip_select = 0, /* SS0 */
+ .platform_data = &mc13783_pdata,
+ /* irq number is run-time assigned */
+ .mode = SPI_CS_HIGH,
+ },
+};
+
+static const struct mxc_nand_platform_data dtsc02_nand_info __initconst = {
+ .width = 1,
+ .hw_ecc = 1,
+ .flash_bbt = 1,
+};
+
+static const struct imxi2c_platform_data dtsc02_i2c1_data __initconst = {
+ .bitrate = 100000,
+};
+
+
+static void __init dtsc02_init(void)
+{
+ imx27_soc_init();
+
+ mxc_gpio_setup_multiple_pins(dtsc02_pins, ARRAY_SIZE(dtsc02_pins),
+ "dtsc02");
+ imx27_add_mxc_nand(&dtsc02_nand_info);
+ /* Console */
+ imx27_add_imx_uart0(&uart0_pdata);
+ /* IR port */
+ imx27_add_imx_uart1(&uart1_pdata);
+ /* BUS */
+ imx27_add_imx_uart2(&uart2_pdata);
+ imx27_add_fec(NULL);
+ imx27_add_imx2_wdt();
+
+ imx27_add_spi_imx1(&spi2_pdata);
+ dtsc02_spi_devs[0].irq = gpio_to_irq(PMIC_INT);
+ spi_register_board_info(dtsc02_spi_devs,
+ ARRAY_SIZE(dtsc02_spi_devs));
+
+ /* I2C-2 */
+ i2c_register_board_info(1, dtsc02_i2c1_devices,
+ ARRAY_SIZE(dtsc02_i2c1_devices));
+ imx27_add_imx_i2c(1, &dtsc02_i2c1_data);
+
+ imx27_add_imx_fb(&dtsc02_fb_data);
+
+ dtsc02_sdhc1_enable_level_translator();
+ imx27_add_mxc_mmc(0, &sdhc1_pdata);
+}
+
+static void __init dtsc02_timer_init(void)
+{
+ mx27_clocks_init(26000000);
+}
+
+MACHINE_START(DTSC02, "DTSC02")
+ /* maintainer: Gaetan Carlier. */
+ .atag_offset = 0x100,
+ .map_io = mx27_map_io,
+ .init_early = imx27_init_early,
+ .init_irq = mx27_init_irq,
+ .handle_irq = imx27_handle_irq,
+ .init_time = dtsc02_timer_init,
+ .init_machine = dtsc02_init,
+ .restart = mxc_restart,
+MACHINE_END
--
1.7.7.4
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