ARM: mx5/mx51_babbage: Add watchdog support

[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-mx5 / board-mx51_babbage.c

diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index 0821fe9b3b27c01afe9942a9137e1a0627fe46d9..a896f84895ada2bcecb00b228605153847aeef63 100644 (file)
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
  * Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com>
  *
  * The code contained herein is licensed under the GNU General Public
@@ -18,6 +18,10 @@
 #include <linux/io.h>
 #include <linux/fsl_devices.h>
 #include <linux/fec.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/spi/flash.h>
+#include <linux/spi/spi.h>
 
 #include <mach/common.h>
 #include <mach/hardware.h>
@@ -32,11 +36,15 @@
 
 #include "devices-imx51.h"
 #include "devices.h"
+#include "cpu_op-mx51.h"
 
-#define BABBAGE_USB_HUB_RESET  (0*32 + 7)      /* GPIO_1_7 */
-#define BABBAGE_USBH1_STP      (0*32 + 27)     /* GPIO_1_27 */
-#define BABBAGE_PHY_RESET      (1*32 + 5)      /* GPIO_2_5 */
-#define BABBAGE_FEC_PHY_RESET  (1*32 + 14)     /* GPIO_2_14 */
+#define BABBAGE_USB_HUB_RESET  IMX_GPIO_NR(1, 7)
+#define BABBAGE_USBH1_STP      IMX_GPIO_NR(1, 27)
+#define BABBAGE_PHY_RESET      IMX_GPIO_NR(2, 5)
+#define BABBAGE_FEC_PHY_RESET  IMX_GPIO_NR(2, 14)
+#define BABBAGE_POWER_KEY      IMX_GPIO_NR(2, 21)
+#define BABBAGE_ECSPI1_CS0     IMX_GPIO_NR(4, 24)
+#define BABBAGE_ECSPI1_CS1     IMX_GPIO_NR(4, 25)
 
 /* USB_CTRL_1 */
 #define MX51_USB_CTRL_1_OFFSET                 0x10
@@ -46,7 +54,22 @@
 #define        MX51_USB_PLL_DIV_19_2_MHZ       0x01
 #define        MX51_USB_PLL_DIV_24_MHZ 0x02
 
-static struct pad_desc mx51babbage_pads[] = {
+static struct gpio_keys_button babbage_buttons[] = {
+       {
+               .gpio           = BABBAGE_POWER_KEY,
+               .code           = BTN_0,
+               .desc           = "PWR",
+               .active_low     = 1,
+               .wakeup         = 1,
+       },
+};
+
+static const struct gpio_keys_platform_data imx_button_data __initconst = {
+       .buttons        = babbage_buttons,
+       .nbuttons       = ARRAY_SIZE(babbage_buttons),
+};
+
+static iomux_v3_cfg_t mx51babbage_pads[] = {
        /* UART1 */
        MX51_PAD_UART1_RXD__UART1_RXD,
        MX51_PAD_UART1_TXD__UART1_TXD,
@@ -112,6 +135,29 @@ static struct pad_desc mx51babbage_pads[] = {
 
        /* FEC PHY reset line */
        MX51_PAD_EIM_A20__GPIO_2_14,
+
+       /* SD 1 */
+       MX51_PAD_SD1_CMD__SD1_CMD,
+       MX51_PAD_SD1_CLK__SD1_CLK,
+       MX51_PAD_SD1_DATA0__SD1_DATA0,
+       MX51_PAD_SD1_DATA1__SD1_DATA1,
+       MX51_PAD_SD1_DATA2__SD1_DATA2,
+       MX51_PAD_SD1_DATA3__SD1_DATA3,
+
+       /* SD 2 */
+       MX51_PAD_SD2_CMD__SD2_CMD,
+       MX51_PAD_SD2_CLK__SD2_CLK,
+       MX51_PAD_SD2_DATA0__SD2_DATA0,
+       MX51_PAD_SD2_DATA1__SD2_DATA1,
+       MX51_PAD_SD2_DATA2__SD2_DATA2,
+       MX51_PAD_SD2_DATA3__SD2_DATA3,
+
+       /* eCSPI1 */
+       MX51_PAD_CSPI1_MISO__ECSPI1_MISO,
+       MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI,
+       MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK,
+       MX51_PAD_CSPI1_SS0__GPIO_4_24,
+       MX51_PAD_CSPI1_SS1__GPIO_4_25,
 };
 
 /* Serial ports */
@@ -142,8 +188,8 @@ static struct imxi2c_platform_data babbage_hsi2c_data = {
 
 static int gpio_usbh1_active(void)
 {
-       struct pad_desc usbh1stp_gpio = MX51_PAD_USBH1_STP__GPIO_1_27;
-       struct pad_desc phyreset_gpio = MX51_PAD_EIM_D21__GPIO_2_5;
+       iomux_v3_cfg_t usbh1stp_gpio = MX51_PAD_USBH1_STP__GPIO_1_27;
+       iomux_v3_cfg_t phyreset_gpio = MX51_PAD_EIM_D21__GPIO_2_5;
        int ret;
 
        /* Set USBH1_STP to GPIO and toggle it */
@@ -275,19 +321,49 @@ static int __init babbage_otg_mode(char *options)
 }
 __setup("otg_mode=", babbage_otg_mode);
 
+static struct spi_board_info mx51_babbage_spi_board_info[] __initdata = {
+       {
+               .modalias = "mtd_dataflash",
+               .max_speed_hz = 25000000,
+               .bus_num = 0,
+               .chip_select = 1,
+               .mode = SPI_MODE_0,
+               .platform_data = NULL,
+       },
+};
+
+static int mx51_babbage_spi_cs[] = {
+       BABBAGE_ECSPI1_CS0,
+       BABBAGE_ECSPI1_CS1,
+};
+
+static const struct spi_imx_master mx51_babbage_spi_pdata __initconst = {
+       .chipselect     = mx51_babbage_spi_cs,
+       .num_chipselect = ARRAY_SIZE(mx51_babbage_spi_cs),
+};
+
 /*
  * Board specific initialization.
  */
 static void __init mxc_board_init(void)
 {
-       struct pad_desc usbh1stp = MX51_PAD_USBH1_STP__USBH1_STP;
+       iomux_v3_cfg_t usbh1stp = MX51_PAD_USBH1_STP__USBH1_STP;
+       iomux_v3_cfg_t power_key = MX51_PAD_EIM_A27__GPIO_2_21;
 
+#if defined(CONFIG_CPU_FREQ_IMX)
+       get_cpu_op = mx51_get_cpu_op;
+#endif
        mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads,
                                        ARRAY_SIZE(mx51babbage_pads));
        mxc_init_imx_uart();
        babbage_fec_reset();
        imx51_add_fec(NULL);
 
+       /* Set the PAD settings for the pwr key. */
+       power_key.pad_ctrl = MX51_GPIO_PAD_CTRL_2;
+       mxc_iomux_v3_setup_pad(&power_key);
+       imx51_add_gpio_keys(&imx_button_data);
+
        imx51_add_imx_i2c(0, &babbage_i2c_data);
        imx51_add_imx_i2c(1, &babbage_i2c_data);
        mxc_register_device(&mxc_hsi2c_device, &babbage_hsi2c_data);
@@ -304,6 +380,14 @@ static void __init mxc_board_init(void)
        /* setback USBH1_STP to be function */
        mxc_iomux_v3_setup_pad(&usbh1stp);
        babbage_usbhub_reset();
+
+       imx51_add_sdhci_esdhc_imx(0, NULL);
+       imx51_add_sdhci_esdhc_imx(1, NULL);
+
+       spi_register_board_info(mx51_babbage_spi_board_info,
+               ARRAY_SIZE(mx51_babbage_spi_board_info));
+       imx51_add_ecspi(0, &mx51_babbage_spi_pdata);
+       imx51_add_imx2_wdt(0, NULL);
 }
 
 static void __init mx51_babbage_timer_init(void)