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Diffstat (limited to 'arch/arm/mach-mx2/mx27ads.c')
-rw-r--r--arch/arm/mach-mx2/mx27ads.c315
1 files changed, 179 insertions, 136 deletions
diff --git a/arch/arm/mach-mx2/mx27ads.c b/arch/arm/mach-mx2/mx27ads.c
index 4a3b097adc1..02daddac699 100644
--- a/arch/arm/mach-mx2/mx27ads.c
+++ b/arch/arm/mach-mx2/mx27ads.c
@@ -23,6 +23,8 @@
#include <linux/mtd/map.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
+#include <linux/i2c.h>
+#include <linux/irq.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -33,9 +35,117 @@
#include <mach/imx-uart.h>
#include <mach/iomux.h>
#include <mach/board-mx27ads.h>
+#include <mach/mxc_nand.h>
+#include <mach/i2c.h>
+#include <mach/imxfb.h>
+#include <mach/mmc.h>
#include "devices.h"
+static unsigned int mx27ads_pins[] = {
+ /* UART0 */
+ PE12_PF_UART1_TXD,
+ PE13_PF_UART1_RXD,
+ PE14_PF_UART1_CTS,
+ PE15_PF_UART1_RTS,
+ /* UART1 */
+ PE3_PF_UART2_CTS,
+ PE4_PF_UART2_RTS,
+ PE6_PF_UART2_TXD,
+ PE7_PF_UART2_RXD,
+ /* UART2 */
+ PE8_PF_UART3_TXD,
+ PE9_PF_UART3_RXD,
+ PE10_PF_UART3_CTS,
+ PE11_PF_UART3_RTS,
+ /* UART3 */
+ PB26_AF_UART4_RTS,
+ PB28_AF_UART4_TXD,
+ PB29_AF_UART4_CTS,
+ PB31_AF_UART4_RXD,
+ /* UART4 */
+ PB18_AF_UART5_TXD,
+ PB19_AF_UART5_RXD,
+ PB20_AF_UART5_CTS,
+ PB21_AF_UART5_RTS,
+ /* UART5 */
+ PB10_AF_UART6_TXD,
+ PB12_AF_UART6_CTS,
+ PB11_AF_UART6_RXD,
+ PB13_AF_UART6_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,
+ /* I2C2 */
+ PC5_PF_I2C2_SDA,
+ PC6_PF_I2C2_SCL,
+ /* FB */
+ 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,
+ PA24_PF_REV,
+ PA25_PF_CLS,
+ PA26_PF_PS,
+ PA27_PF_SPL_SPR,
+ PA28_PF_HSYNC,
+ PA29_PF_VSYNC,
+ PA30_PF_CONTRAST,
+ PA31_PF_OE_ACD,
+ /* OWIRE */
+ PE16_AF_OWIRE,
+ /* 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,
+ /* SDHC2*/
+ PB4_PF_SD2_D0,
+ PB5_PF_SD2_D1,
+ PB6_PF_SD2_D2,
+ PB7_PF_SD2_D3,
+ PB8_PF_SD2_CMD,
+ PB9_PF_SD2_CLK,
+};
+
+static struct mxc_nand_platform_data mx27ads_nand_board_info = {
+ .width = 1,
+ .hw_ecc = 1,
+};
+
/* ADS's NOR flash */
static struct physmap_flash_data mx27ads_flash_data = {
.width = 2,
@@ -58,189 +168,113 @@ static struct platform_device mx27ads_nor_mtd_device = {
.resource = &mx27ads_flash_resource,
};
-static int mxc_uart0_pins[] = {
- PE12_PF_UART1_TXD,
- PE13_PF_UART1_RXD,
- PE14_PF_UART1_CTS,
- PE15_PF_UART1_RTS
+static struct imxi2c_platform_data mx27ads_i2c_data = {
+ .bitrate = 100000,
};
-static int uart_mxc_port0_init(struct platform_device *pdev)
-{
- return mxc_gpio_setup_multiple_pins(mxc_uart0_pins,
- ARRAY_SIZE(mxc_uart0_pins), "UART0");
-}
-
-static int uart_mxc_port0_exit(struct platform_device *pdev)
-{
- mxc_gpio_release_multiple_pins(mxc_uart0_pins,
- ARRAY_SIZE(mxc_uart0_pins));
- return 0;
-}
-
-static int mxc_uart1_pins[] = {
- PE3_PF_UART2_CTS,
- PE4_PF_UART2_RTS,
- PE6_PF_UART2_TXD,
- PE7_PF_UART2_RXD
+static struct i2c_board_info mx27ads_i2c_devices[] = {
};
-static int uart_mxc_port1_init(struct platform_device *pdev)
+void lcd_power(int on)
{
- return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
- ARRAY_SIZE(mxc_uart1_pins), "UART1");
+ if (on)
+ __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_SET_REG);
+ else
+ __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_CLEAR_REG);
}
-static int uart_mxc_port1_exit(struct platform_device *pdev)
-{
- mxc_gpio_release_multiple_pins(mxc_uart1_pins,
- ARRAY_SIZE(mxc_uart1_pins));
- return 0;
-}
-
-static int mxc_uart2_pins[] = {
- PE8_PF_UART3_TXD,
- PE9_PF_UART3_RXD,
- PE10_PF_UART3_CTS,
- PE11_PF_UART3_RTS
+static struct imx_fb_platform_data mx27ads_fb_data = {
+ .pixclock = 188679,
+ .xres = 240,
+ .yres = 320,
+
+ .bpp = 16,
+ .hsync_len = 1,
+ .left_margin = 9,
+ .right_margin = 16,
+
+ .vsync_len = 1,
+ .upper_margin = 7,
+ .lower_margin = 9,
+ .fixed_screen_cpu = 0,
+
+ /*
+ * - HSYNC active high
+ * - VSYNC active high
+ * - clk notenabled while idle
+ * - clock inverted
+ * - data not inverted
+ * - data enable low active
+ * - enable sharp mode
+ */
+ .pcr = 0xFB008BC0,
+ .pwmr = 0x00A903FF,
+ .lscr1 = 0x00120300,
+ .dmacr = 0x00020010,
+
+ .lcd_power = lcd_power,
};
-static int uart_mxc_port2_init(struct platform_device *pdev)
+static int mx27ads_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
+ void *data)
{
- return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
- ARRAY_SIZE(mxc_uart2_pins), "UART2");
+ return request_irq(IRQ_GPIOE(21), detect_irq, IRQF_TRIGGER_RISING,
+ "sdhc1-card-detect", data);
}
-static int uart_mxc_port2_exit(struct platform_device *pdev)
+static int mx27ads_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
+ void *data)
{
- mxc_gpio_release_multiple_pins(mxc_uart2_pins,
- ARRAY_SIZE(mxc_uart2_pins));
- return 0;
+ return request_irq(IRQ_GPIOB(7), detect_irq, IRQF_TRIGGER_RISING,
+ "sdhc2-card-detect", data);
}
-static int mxc_uart3_pins[] = {
- PB26_AF_UART4_RTS,
- PB28_AF_UART4_TXD,
- PB29_AF_UART4_CTS,
- PB31_AF_UART4_RXD
-};
-
-static int uart_mxc_port3_init(struct platform_device *pdev)
+static void mx27ads_sdhc1_exit(struct device *dev, void *data)
{
- return mxc_gpio_setup_multiple_pins(mxc_uart3_pins,
- ARRAY_SIZE(mxc_uart3_pins), "UART3");
+ free_irq(IRQ_GPIOE(21), data);
}
-static int uart_mxc_port3_exit(struct platform_device *pdev)
+static void mx27ads_sdhc2_exit(struct device *dev, void *data)
{
- mxc_gpio_release_multiple_pins(mxc_uart3_pins,
- ARRAY_SIZE(mxc_uart3_pins));
- return 0;
+ free_irq(IRQ_GPIOB(7), data);
}
-static int mxc_uart4_pins[] = {
- PB18_AF_UART5_TXD,
- PB19_AF_UART5_RXD,
- PB20_AF_UART5_CTS,
- PB21_AF_UART5_RTS
+static struct imxmmc_platform_data sdhc1_pdata = {
+ .init = mx27ads_sdhc1_init,
+ .exit = mx27ads_sdhc1_exit,
};
-static int uart_mxc_port4_init(struct platform_device *pdev)
-{
- return mxc_gpio_setup_multiple_pins(mxc_uart4_pins,
- ARRAY_SIZE(mxc_uart4_pins), "UART4");
-}
-
-static int uart_mxc_port4_exit(struct platform_device *pdev)
-{
- mxc_gpio_release_multiple_pins(mxc_uart4_pins,
- ARRAY_SIZE(mxc_uart4_pins));
- return 0;
-}
-
-static int mxc_uart5_pins[] = {
- PB10_AF_UART6_TXD,
- PB12_AF_UART6_CTS,
- PB11_AF_UART6_RXD,
- PB13_AF_UART6_RTS
+static struct imxmmc_platform_data sdhc2_pdata = {
+ .init = mx27ads_sdhc2_init,
+ .exit = mx27ads_sdhc2_exit,
};
-static int uart_mxc_port5_init(struct platform_device *pdev)
-{
- return mxc_gpio_setup_multiple_pins(mxc_uart5_pins,
- ARRAY_SIZE(mxc_uart5_pins), "UART5");
-}
-
-static int uart_mxc_port5_exit(struct platform_device *pdev)
-{
- mxc_gpio_release_multiple_pins(mxc_uart5_pins,
- ARRAY_SIZE(mxc_uart5_pins));
- return 0;
-}
-
static struct platform_device *platform_devices[] __initdata = {
&mx27ads_nor_mtd_device,
&mxc_fec_device,
+ &mxc_w1_master_device,
};
-static int mxc_fec_pins[] = {
- 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
-};
-
-static void gpio_fec_active(void)
-{
- mxc_gpio_setup_multiple_pins(mxc_fec_pins,
- ARRAY_SIZE(mxc_fec_pins), "FEC");
-}
-
static struct imxuart_platform_data uart_pdata[] = {
{
- .init = uart_mxc_port0_init,
- .exit = uart_mxc_port0_exit,
.flags = IMXUART_HAVE_RTSCTS,
}, {
- .init = uart_mxc_port1_init,
- .exit = uart_mxc_port1_exit,
.flags = IMXUART_HAVE_RTSCTS,
}, {
- .init = uart_mxc_port2_init,
- .exit = uart_mxc_port2_exit,
.flags = IMXUART_HAVE_RTSCTS,
}, {
- .init = uart_mxc_port3_init,
- .exit = uart_mxc_port3_exit,
.flags = IMXUART_HAVE_RTSCTS,
}, {
- .init = uart_mxc_port4_init,
- .exit = uart_mxc_port4_exit,
.flags = IMXUART_HAVE_RTSCTS,
}, {
- .init = uart_mxc_port5_init,
- .exit = uart_mxc_port5_exit,
.flags = IMXUART_HAVE_RTSCTS,
},
};
static void __init mx27ads_board_init(void)
{
- gpio_fec_active();
+ mxc_gpio_setup_multiple_pins(mx27ads_pins, ARRAY_SIZE(mx27ads_pins),
+ "mx27ads");
mxc_register_device(&mxc_uart_device0, &uart_pdata[0]);
mxc_register_device(&mxc_uart_device1, &uart_pdata[1]);
@@ -248,6 +282,15 @@ static void __init mx27ads_board_init(void)
mxc_register_device(&mxc_uart_device3, &uart_pdata[3]);
mxc_register_device(&mxc_uart_device4, &uart_pdata[4]);
mxc_register_device(&mxc_uart_device5, &uart_pdata[5]);
+ mxc_register_device(&mxc_nand_device, &mx27ads_nand_board_info);
+
+ /* only the i2c master 1 is used on this CPU card */
+ i2c_register_board_info(1, mx27ads_i2c_devices,
+ ARRAY_SIZE(mx27ads_i2c_devices));
+ mxc_register_device(&mxc_i2c_device1, &mx27ads_i2c_data);
+ mxc_register_device(&mxc_fb_device, &mx27ads_fb_data);
+ mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata);
+ mxc_register_device(&mxc_sdhc_device1, &sdhc2_pdata);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
}
@@ -277,7 +320,7 @@ static struct map_desc mx27ads_io_desc[] __initdata = {
static void __init mx27ads_map_io(void)
{
- mxc_map_io();
+ mx27_map_io();
iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc));
}