1 files changed, 72 insertions, 139 deletions

diff --git a/arch/arm/mach-mx5/board-mx51_efikamx.c b/arch/arm/mach-mx5/board-mx51_efikamx.c
index b7946f8e8d40..acab1911cb3c 100644
--- a/arch/arm/mach-mx5/board-mx51_efikamx.c
+++ b/arch/arm/mach-mx5/board-mx51_efikamx.c
@@ -25,6 +25,9 @@
 #include <linux/fsl_devices.h>
 #include <linux/spi/flash.h>
 #include <linux/spi/spi.h>
+#include <linux/mfd/mc13892.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/consumer.h>
 
 #include <mach/common.h>
 #include <mach/hardware.h>
@@ -40,8 +43,7 @@
 
 #include "devices-imx51.h"
 #include "devices.h"
-
-#define MX51_USB_PLL_DIV_24_MHZ 0x01
+#include "efika.h"
 
 #define EFIKAMX_PCBID0          IMX_GPIO_NR(3, 16)
 #define EFIKAMX_PCBID1          IMX_GPIO_NR(3, 17)
@@ -53,13 +55,14 @@
 
 #define EFIKAMX_POWER_KEY       IMX_GPIO_NR(2, 31)
 
-#define EFIKAMX_SPI_CS0         IMX_GPIO_NR(4, 24)
-#define EFIKAMX_SPI_CS1         IMX_GPIO_NR(4, 25)
-
 /* board 1.1 doesn't have same reset gpio */
 #define EFIKAMX_RESET1_1        IMX_GPIO_NR(3, 2)
 #define EFIKAMX_RESET           IMX_GPIO_NR(1, 4)
 
+#define EFIKAMX_POWEROFF        IMX_GPIO_NR(4, 13)
+
+#define EFIKAMX_PMIC            IMX_GPIO_NR(1, 6)
+
 /* the pci ids pin have pull up. they're driven low according to board id */
 #define MX51_PAD_PCBID0 IOMUX_PAD(0x518, 0x130, 3, 0x0,   0, PAD_CTL_PUS_100K_UP)
 #define MX51_PAD_PCBID1 IOMUX_PAD(0x51C, 0x134, 3, 0x0,   0, PAD_CTL_PUS_100K_UP)
@@ -67,38 +70,11 @@
 #define MX51_PAD_PWRKEY IOMUX_PAD(0x48c, 0x0f8, 1, 0x0,   0, PAD_CTL_PUS_100K_UP | PAD_CTL_PKE)
 
 static iomux_v3_cfg_t mx51efikamx_pads[] = {
-        /* UART1 */
-        MX51_PAD_UART1_RXD__UART1_RXD,
-        MX51_PAD_UART1_TXD__UART1_TXD,
-        MX51_PAD_UART1_RTS__UART1_RTS,
-        MX51_PAD_UART1_CTS__UART1_CTS,
         /* board id */
         MX51_PAD_PCBID0,
         MX51_PAD_PCBID1,
         MX51_PAD_PCBID2,
 
-        /* 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,
-
-        /* SD/MMC WP/CD */
-        MX51_PAD_GPIO1_0__SD1_CD,
-        MX51_PAD_GPIO1_1__SD1_WP,
-        MX51_PAD_GPIO1_7__SD2_WP,
-        MX51_PAD_GPIO1_8__SD2_CD,
-
         /* leds */
         MX51_PAD_CSI1_D9__GPIO3_13,
         MX51_PAD_CSI1_VSYNC__GPIO3_14,
@@ -107,64 +83,12 @@ static iomux_v3_cfg_t mx51efikamx_pads[] = {
         /* power key */
         MX51_PAD_PWRKEY,
 
-        /* spi */
-        MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI,
-        MX51_PAD_CSPI1_MISO__ECSPI1_MISO,
-        MX51_PAD_CSPI1_SS0__GPIO4_24,
-        MX51_PAD_CSPI1_SS1__GPIO4_25,
-        MX51_PAD_CSPI1_RDY__ECSPI1_RDY,
-        MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK,
-
         /* reset */
         MX51_PAD_DI1_PIN13__GPIO3_2,
         MX51_PAD_GPIO1_4__GPIO1_4,
-};
 
-/* Serial ports */
-#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE)
-static const struct imxuart_platform_data uart_pdata = {
-        .flags = IMXUART_HAVE_RTSCTS,
-};
-
-static inline void mxc_init_imx_uart(void)
-{
-        imx51_add_imx_uart(0, &uart_pdata);
-        imx51_add_imx_uart(1, &uart_pdata);
-        imx51_add_imx_uart(2, &uart_pdata);
-}
-#else /* !SERIAL_IMX */
-static inline void mxc_init_imx_uart(void)
-{
-}
-#endif /* SERIAL_IMX */
-
-/* This function is board specific as the bit mask for the plldiv will also
- * be different for other Freescale SoCs, thus a common bitmask is not
- * possible and cannot get place in /plat-mxc/ehci.c.
- */
-static int initialize_otg_port(struct platform_device *pdev)
-{
-        u32 v;
-        void __iomem *usb_base;
-        void __iomem *usbother_base;
-        usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
-        if (!usb_base)
-                return -ENOMEM;
-        usbother_base = (void __iomem *)(usb_base + MX5_USBOTHER_REGS_OFFSET);
-
-        /* Set the PHY clock to 19.2MHz */
-        v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
-        v &= ~MX5_USB_UTMI_PHYCTRL1_PLLDIV_MASK;
-        v |= MX51_USB_PLL_DIV_24_MHZ;
-        __raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
-        iounmap(usb_base);
-        return 0;
-}
-
-static struct mxc_usbh_platform_data dr_utmi_config = {
-        .init   = initialize_otg_port,
-        .portsc = MXC_EHCI_UTMI_16BIT,
-        .flags  = MXC_EHCI_INTERNAL_PHY,
+        /* power off */
+        MX51_PAD_CSI2_VSYNC__GPIO4_13,
 };
 
 /*   PCBID2  PCBID1 PCBID0  STATE
@@ -265,47 +189,6 @@ static const struct gpio_keys_platform_data mx51_efikamx_powerkey_data __initcon
         .nbuttons = ARRAY_SIZE(mx51_efikamx_powerkey),
 };
 
-static struct mtd_partition mx51_efikamx_spi_nor_partitions[] = {
-        {
-         .name = "u-boot",
-         .offset = 0,
-         .size = SZ_256K,
-        },
-        {
-          .name = "config",
-          .offset = MTDPART_OFS_APPEND,
-          .size = SZ_64K,
-        },
-};
-
-static struct flash_platform_data mx51_efikamx_spi_flash_data = {
-        .name           = "spi_flash",
-        .parts          = mx51_efikamx_spi_nor_partitions,
-        .nr_parts       = ARRAY_SIZE(mx51_efikamx_spi_nor_partitions),
-        .type           = "sst25vf032b",
-};
-
-static struct spi_board_info mx51_efikamx_spi_board_info[] __initdata = {
-        {
-                .modalias = "m25p80",
-                .max_speed_hz = 25000000,
-                .bus_num = 0,
-                .chip_select = 1,
-                .platform_data = &mx51_efikamx_spi_flash_data,
-                .irq = -1,
-        },
-};
-
-static int mx51_efikamx_spi_cs[] = {
-        EFIKAMX_SPI_CS0,
-        EFIKAMX_SPI_CS1,
-};
-
-static const struct spi_imx_master mx51_efikamx_spi_pdata __initconst = {
-        .chipselect     = mx51_efikamx_spi_cs,
-        .num_chipselect = ARRAY_SIZE(mx51_efikamx_spi_cs),
-};
-
 void mx51_efikamx_reset(void)
 {
         if (system_rev == 0x11)
@@ -314,14 +197,53 @@ void mx51_efikamx_reset(void)
                 gpio_direction_output(EFIKAMX_RESET, 0);
 }
 
-static void __init mxc_board_init(void)
+static struct regulator *pwgt1, *pwgt2, *coincell;
+
+static void mx51_efikamx_power_off(void)
+{
+        if (!IS_ERR(coincell))
+                regulator_disable(coincell);
+
+        if (!IS_ERR(pwgt1) && !IS_ERR(pwgt2)) {
+                regulator_disable(pwgt2);
+                regulator_disable(pwgt1);
+        }
+        gpio_direction_output(EFIKAMX_POWEROFF, 1);
+}
+
+static int __init mx51_efikamx_power_init(void)
+{
+        if (machine_is_mx51_efikamx()) {
+                pwgt1 = regulator_get(NULL, "pwgt1");
+                pwgt2 = regulator_get(NULL, "pwgt2");
+                if (!IS_ERR(pwgt1) && !IS_ERR(pwgt2)) {
+                        regulator_enable(pwgt1);
+                        regulator_enable(pwgt2);
+                }
+                gpio_request(EFIKAMX_POWEROFF, "poweroff");
+                pm_power_off = mx51_efikamx_power_off;
+
+                /* enable coincell charger. maybe need a small power driver ? */
+                coincell = regulator_get(NULL, "coincell");
+                if (!IS_ERR(coincell)) {
+                        regulator_set_voltage(coincell, 3000000, 3000000);
+                        regulator_enable(coincell);
+                }
+
+                regulator_has_full_constraints();
+        }
+
+        return 0;
+}
+late_initcall(mx51_efikamx_power_init);
+
+static void __init mx51_efikamx_init(void)
 {
         mxc_iomux_v3_setup_multiple_pads(mx51efikamx_pads,
                                         ARRAY_SIZE(mx51efikamx_pads));
+        efika_board_common_init();
+
         mx51_efikamx_board_id();
-        mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config);
-        mxc_init_imx_uart();
-        imx51_add_sdhci_esdhc_imx(0, NULL);
 
         /* on < 1.2 boards both SD controllers are used */
         if (system_rev < 0x12) {
@@ -332,10 +254,6 @@ static void __init mxc_board_init(void)
         platform_device_register(&mx51_efikamx_leds_device);
         imx51_add_gpio_keys(&mx51_efikamx_powerkey_data);
 
-        spi_register_board_info(mx51_efikamx_spi_board_info,
-                ARRAY_SIZE(mx51_efikamx_spi_board_info));
-        imx51_add_ecspi(0, &mx51_efikamx_spi_pdata);
-
         if (system_rev == 0x11) {
                 gpio_request(EFIKAMX_RESET1_1, "reset");
                 gpio_direction_output(EFIKAMX_RESET1_1, 1);
@@ -343,6 +261,20 @@ static void __init mxc_board_init(void)
                 gpio_request(EFIKAMX_RESET, "reset");
                 gpio_direction_output(EFIKAMX_RESET, 1);
         }
+
+        /*
+         * enable wifi by default only on mx
+         * sb and mx have same wlan pin but the value to enable it are
+         * different :/
+         */
+        gpio_request(EFIKA_WLAN_EN, "wlan_en");
+        gpio_direction_output(EFIKA_WLAN_EN, 0);
+        msleep(10);
+
+        gpio_request(EFIKA_WLAN_RESET, "wlan_rst");
+        gpio_direction_output(EFIKA_WLAN_RESET, 0);
+        msleep(10);
+        gpio_set_value(EFIKA_WLAN_RESET, 1);
 }
 
 static void __init mx51_efikamx_timer_init(void)
@@ -350,15 +282,16 @@ static void __init mx51_efikamx_timer_init(void)
         mx51_clocks_init(32768, 24000000, 22579200, 24576000);
 }
 
-static struct sys_timer mxc_timer = {
-        .init   = mx51_efikamx_timer_init,
+static struct sys_timer mx51_efikamx_timer = {
+        .init = mx51_efikamx_timer_init,
 };
 
 MACHINE_START(MX51_EFIKAMX, "Genesi EfikaMX nettop")
         /* Maintainer: Amit Kucheria <amit.kucheria@linaro.org> */
         .boot_params = MX51_PHYS_OFFSET + 0x100,
         .map_io = mx51_map_io,
+        .init_early = imx51_init_early,
         .init_irq = mx51_init_irq,
-        .init_machine =  mxc_board_init,
-        .timer = &mxc_timer,
+        .timer = &mx51_efikamx_timer,
+        .init_machine = mx51_efikamx_init,
 MACHINE_END