diff options
Diffstat (limited to 'arch/arm/mach-mx5/mx50_rdp.c')
| -rw-r--r-- | arch/arm/mach-mx5/mx50_rdp.c | 1186 |
1 files changed, 1186 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/mx50_rdp.c b/arch/arm/mach-mx5/mx50_rdp.c new file mode 100644 index 000000000000..4a99419b265d --- /dev/null +++ b/arch/arm/mach-mx5/mx50_rdp.c @@ -0,0 +1,1186 @@ +/* + * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * 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. + + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <linux/types.h> +#include <linux/sched.h> +#include <linux/delay.h> +#include <linux/pm.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/nodemask.h> +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <linux/fsl_devices.h> +#include <linux/spi/spi.h> +#include <linux/i2c.h> +#include <linux/ata.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/map.h> +#include <linux/mtd/partitions.h> +#include <linux/regulator/consumer.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/max17135.h> +#include <linux/pmic_external.h> +#include <linux/pmic_status.h> +#include <linux/videodev2.h> +#include <linux/mxcfb.h> +#include <linux/fec.h> +#include <linux/android_pmem.h> +#include <linux/usb/android.h> +#include <asm/irq.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <mach/arc_otg.h> +#include <asm/mach/flash.h> +#include <asm/mach/keypad.h> +#include <mach/common.h> +#include <mach/hardware.h> +#include <mach/memory.h> +#include <mach/gpio.h> +#include <mach/mmc.h> +#include <mach/mxc_dvfs.h> +#include <mach/iomux-mx50.h> + +#include "devices.h" +#include "usb.h" +#include "crm_regs.h" + +#define SD1_WP (3*32 + 19) /*GPIO_4_19 */ +#define SD1_CD (0*32 + 27) /*GPIO_1_27 */ +#define SD2_WP (4*32 + 16) /*GPIO_5_16 */ +#define SD2_CD (4*32 + 17) /*GPIO_5_17 */ +#define HP_DETECT (3*32 + 15) /*GPIO_4_15 */ +#define PWR_INT (3*32 + 18) /*GPIO_4_18 */ + +#define EPDC_D0 (2*32 + 1) /*GPIO_3_0 */ +#define EPDC_D1 (2*32 + 2) /*GPIO_3_1 */ +#define EPDC_D2 (2*32 + 3) /*GPIO_3_2 */ +#define EPDC_D3 (2*32 + 4) /*GPIO_3_3 */ +#define EPDC_D4 (2*32 + 5) /*GPIO_3_4 */ +#define EPDC_D5 (2*32 + 6) /*GPIO_3_5 */ +#define EPDC_D6 (2*32 + 7) /*GPIO_3_6 */ +#define EPDC_D7 (2*32 + 8) /*GPIO_3_7 */ +#define EPDC_GDCLK (2*32 + 16) /*GPIO_3_16 */ +#define EPDC_GDSP (2*32 + 17) /*GPIO_3_17 */ +#define EPDC_GDOE (2*32 + 18) /*GPIO_3_18 */ +#define EPDC_GDRL (2*32 + 19) /*GPIO_3_19 */ +#define EPDC_SDCLK (2*32 + 20) /*GPIO_3_20 */ +#define EPDC_SDOE (2*32 + 23) /*GPIO_3_23 */ +#define EPDC_SDLE (2*32 + 24) /*GPIO_3_24 */ +#define EPDC_SDSHR (2*32 + 26) /*GPIO_3_26 */ +#define EPDC_BDR0 (3*32 + 23) /*GPIO_4_23 */ +#define EPDC_SDCE0 (3*32 + 25) /*GPIO_4_25 */ +#define EPDC_SDCE1 (3*32 + 26) /*GPIO_4_26 */ +#define EPDC_SDCE2 (3*32 + 27) /*GPIO_4_27 */ + +#define EPDC_PMIC_WAKE (5*32 + 16) /*GPIO_6_16 */ +#define EPDC_PMIC_INT (5*32 + 17) /*GPIO_6_17 */ +#define EPDC_VCOM (3*32 + 21) /*GPIO_4_21 */ +#define EPDC_PWRSTAT (2*32 + 28) /*GPIO_3_28 */ +#define EPDC_ELCDIF_BACKLIGHT (1*32 + 18) /*GPIO_2_18 */ +#define CSPI_CS1 (3*32 + 13) /*GPIO_4_13 */ +#define CSPI_CS2 (3*32 + 11) /*GPIO_4_11*/ +#define SGTL_OSCEN (5*32 + 8) /*GPIO_6_8*/ +#define FEC_EN (5*32 + 23) /*GPIO_6_23*/ +#define FEC_RESET_B (3*32 + 12) /*GPIO_4_12*/ + +extern int __init mx50_rdp_init_mc13892(void); +extern struct cpu_wp *(*get_cpu_wp)(int *wp); +extern void (*set_num_cpu_wp)(int num); +static int num_cpu_wp = 2; + +static struct pad_desc mx50_rdp[] = { + /* SD1 */ + MX50_PAD_ECSPI2_SS0__GPIO_4_19, + MX50_PAD_EIM_CRE__GPIO_1_27, + MX50_PAD_SD1_CMD__SD1_CMD, + + MX50_PAD_SD1_CLK__SD1_CLK, + MX50_PAD_SD1_D0__SD1_D0, + MX50_PAD_SD1_D1__SD1_D1, + MX50_PAD_SD1_D2__SD1_D2, + MX50_PAD_SD1_D3__SD1_D3, + + /* SD2 */ + MX50_PAD_SD2_CD__GPIO_5_17, + MX50_PAD_SD2_WP__GPIO_5_16, + MX50_PAD_SD2_CMD__SD2_CMD, + MX50_PAD_SD2_CLK__SD2_CLK, + MX50_PAD_SD2_D0__SD2_D0, + MX50_PAD_SD2_D1__SD2_D1, + MX50_PAD_SD2_D2__SD2_D2, + MX50_PAD_SD2_D3__SD2_D3, + MX50_PAD_SD2_D4__SD2_D4, + MX50_PAD_SD2_D5__SD2_D5, + MX50_PAD_SD2_D6__SD2_D6, + MX50_PAD_SD2_D7__SD2_D7, + + /* SD3 */ + MX50_PAD_SD3_CMD__SD3_CMD, + MX50_PAD_SD3_CLK__SD3_CLK, + MX50_PAD_SD3_D0__SD3_D0, + MX50_PAD_SD3_D1__SD3_D1, + MX50_PAD_SD3_D2__SD3_D2, + MX50_PAD_SD3_D3__SD3_D3, + MX50_PAD_SD3_D4__SD3_D4, + MX50_PAD_SD3_D5__SD3_D5, + MX50_PAD_SD3_D6__SD3_D6, + MX50_PAD_SD3_D7__SD3_D7, + + MX50_PAD_SSI_RXD__SSI_RXD, + MX50_PAD_SSI_TXD__SSI_TXD, + MX50_PAD_SSI_TXC__SSI_TXC, + MX50_PAD_SSI_TXFS__SSI_TXFS, + + /* HP_DET_B (headphone detect) */ + MX50_PAD_ECSPI1_SS0__GPIO_4_15, + + /* PWR_INT */ + MX50_PAD_ECSPI2_MISO__GPIO_4_18, + + /* UART pad setting */ + MX50_PAD_UART1_TXD__UART1_TXD, + MX50_PAD_UART1_RXD__UART1_RXD, + MX50_PAD_UART1_RTS__UART1_RTS, + MX50_PAD_UART2_TXD__UART2_TXD, + MX50_PAD_UART2_RXD__UART2_RXD, + MX50_PAD_UART2_CTS__UART2_CTS, + MX50_PAD_UART2_RTS__UART2_RTS, + + MX50_PAD_I2C1_SCL__I2C1_SCL, + MX50_PAD_I2C1_SDA__I2C1_SDA, + MX50_PAD_I2C2_SCL__I2C2_SCL, + MX50_PAD_I2C2_SDA__I2C2_SDA, + + /* EPDC pins */ + MX50_PAD_EPDC_D0__EPDC_D0, + MX50_PAD_EPDC_D1__EPDC_D1, + MX50_PAD_EPDC_D2__EPDC_D2, + MX50_PAD_EPDC_D3__EPDC_D3, + MX50_PAD_EPDC_D4__EPDC_D4, + MX50_PAD_EPDC_D5__EPDC_D5, + MX50_PAD_EPDC_D6__EPDC_D6, + MX50_PAD_EPDC_D7__EPDC_D7, + MX50_PAD_EPDC_GDCLK__EPDC_GDCLK, + MX50_PAD_EPDC_GDSP__EPDC_GDSP, + MX50_PAD_EPDC_GDOE__EPDC_GDOE , + MX50_PAD_EPDC_GDRL__EPDC_GDRL, + MX50_PAD_EPDC_SDCLK__EPDC_SDCLK, + MX50_PAD_EPDC_SDOE__EPDC_SDOE, + MX50_PAD_EPDC_SDLE__EPDC_SDLE, + MX50_PAD_EPDC_SDSHR__EPDC_SDSHR, + MX50_PAD_EPDC_BDR0__EPDC_BDR0, + MX50_PAD_EPDC_SDCE0__EPDC_SDCE0, + MX50_PAD_EPDC_SDCE1__EPDC_SDCE1, + MX50_PAD_EPDC_SDCE2__EPDC_SDCE2, + + MX50_PAD_EPDC_PWRSTAT__GPIO_3_28, + MX50_PAD_EPDC_VCOM0__GPIO_4_21, + + MX50_PAD_DISP_D8__DISP_D8, + MX50_PAD_DISP_D9__DISP_D9, + MX50_PAD_DISP_D10__DISP_D10, + MX50_PAD_DISP_D11__DISP_D11, + MX50_PAD_DISP_D12__DISP_D12, + MX50_PAD_DISP_D13__DISP_D13, + MX50_PAD_DISP_D14__DISP_D14, + MX50_PAD_DISP_D15__DISP_D15, + MX50_PAD_DISP_RS__ELCDIF_VSYNC, + + /* ELCDIF contrast */ + MX50_PAD_DISP_BUSY__GPIO_2_18, + + MX50_PAD_DISP_CS__ELCDIF_HSYNC, + MX50_PAD_DISP_RD__ELCDIF_EN, + MX50_PAD_DISP_WR__ELCDIF_PIXCLK, + + /* EPD PMIC WAKEUP */ + MX50_PAD_UART4_TXD__GPIO_6_16, + + /* EPD PMIC intr */ + MX50_PAD_UART4_RXD__GPIO_6_17, + + MX50_PAD_EPITO__USBH1_PWR, + /* Need to comment below line if + * one needs to debug owire. + */ + MX50_PAD_OWIRE__USBH1_OC, + MX50_PAD_PWM2__USBOTG_PWR, + MX50_PAD_I2C3_SCL__USBOTG_OC, + + MX50_PAD_SSI_RXC__FEC_MDIO, + MX50_PAD_SSI_RXC__FEC_MDIO, + MX50_PAD_DISP_D0__FEC_TXCLK, + MX50_PAD_DISP_D1__FEC_RX_ER, + MX50_PAD_DISP_D2__FEC_RX_DV, + MX50_PAD_DISP_D3__FEC_RXD1, + MX50_PAD_DISP_D4__FEC_RXD0, + MX50_PAD_DISP_D5__FEC_TX_EN, + MX50_PAD_DISP_D6__FEC_TXD1, + MX50_PAD_DISP_D7__FEC_TXD0, + MX50_PAD_SSI_RXFS__FEC_MDC, + MX50_PAD_I2C3_SDA__GPIO_6_23, + MX50_PAD_ECSPI1_SCLK__GPIO_4_12, + + MX50_PAD_CSPI_SS0__CSPI_SS0, + MX50_PAD_ECSPI1_MOSI__CSPI_SS1, + MX50_PAD_CSPI_MOSI__CSPI_MOSI, + MX50_PAD_CSPI_MISO__CSPI_MISO, + + /* SGTL500_OSC_EN */ + MX50_PAD_UART1_CTS__GPIO_6_8, + + /* Keypad */ + MX50_PAD_KEY_COL0__KEY_COL0, + MX50_PAD_KEY_ROW0__KEY_ROW0, + MX50_PAD_KEY_COL1__KEY_COL1, + MX50_PAD_KEY_ROW1__KEY_ROW1, + MX50_PAD_KEY_COL2__KEY_COL2, + MX50_PAD_KEY_ROW2__KEY_ROW2, + +}; + +static struct mxc_dvfs_platform_data dvfs_core_data = { + .reg_id = "SW1", + .clk1_id = "cpu_clk", + .clk2_id = "gpc_dvfs_clk", + .gpc_cntr_offset = MXC_GPC_CNTR_OFFSET, + .gpc_vcr_offset = MXC_GPC_VCR_OFFSET, + .ccm_cdcr_offset = MXC_CCM_CDCR_OFFSET, + .ccm_cacrr_offset = MXC_CCM_CACRR_OFFSET, + .ccm_cdhipr_offset = MXC_CCM_CDHIPR_OFFSET, + .prediv_mask = 0x1F800, + .prediv_offset = 11, + .prediv_val = 3, + .div3ck_mask = 0xE0000000, + .div3ck_offset = 29, + .div3ck_val = 2, + .emac_val = 0x08, + .upthr_val = 25, + .dnthr_val = 9, + .pncthr_val = 33, + .upcnt_val = 10, + .dncnt_val = 10, + .delay_time = 30, + .num_wp = 2, +}; + +/* working point(wp): 0 - 800MHz; 1 - 166.25MHz; */ +static struct cpu_wp cpu_wp_auto[] = { + { + .pll_rate = 800000000, + .cpu_rate = 800000000, + .pdf = 0, + .mfi = 8, + .mfd = 2, + .mfn = 1, + .cpu_podf = 0, + .cpu_voltage = 1050000,}, + { + .pll_rate = 800000000, + .cpu_rate = 160000000, + .pdf = 4, + .mfi = 8, + .mfd = 2, + .mfn = 1, + .cpu_podf = 4, + .cpu_voltage = 850000,}, +}; + +static struct cpu_wp *mx50_rdp_get_cpu_wp(int *wp) +{ + *wp = num_cpu_wp; + return cpu_wp_auto; +} + +static void mx50_rdp_set_num_cpu_wp(int num) +{ + num_cpu_wp = num; + return; +} + +static struct mxc_w1_config mxc_w1_data = { + .search_rom_accelerator = 1, +}; + +static struct fec_platform_data fec_data = { + .phy = PHY_INTERFACE_MODE_RMII, + .phy_mask = ~1UL, +}; + +static u16 keymapping[8] = { + KEY_F1, KEY_UP, KEY_SELECT, KEY_LEFT, + KEY_ENTER, KEY_RIGHT, KEY_MENU, KEY_DOWN, +}; + +static struct keypad_data keypad_plat_data = { + .rowmax = 3, + .colmax = 3, + .irq = MXC_INT_KPP, + .learning = 0, + .delay = 2, + .matrix = keymapping, +}; + + +/* workaround for cspi chipselect pin may not keep correct level when idle */ +static void mx50_rdp_gpio_spi_chipselect_active(int cspi_mode, int status, + int chipselect) +{ + switch (cspi_mode) { + case 1: + break; + case 2: + break; + case 3: + switch (chipselect) { + case 0x1: + { + struct pad_desc cspi_ss0 = MX50_PAD_CSPI_SS0__CSPI_SS0; + struct pad_desc cspi_cs1 = + MX50_PAD_ECSPI1_MOSI__GPIO_4_13; + + /* pull up/down deassert it */ + mxc_iomux_v3_setup_pad(&cspi_ss0); + mxc_iomux_v3_setup_pad(&cspi_cs1); + + gpio_request(CSPI_CS1, "cspi-cs1"); + gpio_direction_input(CSPI_CS1); + } + break; + case 0x2: + { + struct pad_desc cspi_ss1 = + MX50_PAD_ECSPI1_MOSI__CSPI_SS1; + struct pad_desc cspi_ss0 = MX50_PAD_CSPI_SS0__GPIO_4_11; + + /*disable other ss */ + mxc_iomux_v3_setup_pad(&cspi_ss1); + mxc_iomux_v3_setup_pad(&cspi_ss0); + + /* pull up/down deassert it */ + gpio_request(CSPI_CS2, "cspi-cs2"); + gpio_direction_input(CSPI_CS2); + } + break; + default: + break; + } + break; + + default: + break; + } +} + +static void mx50_arm2_usb_set_vbus(bool enable) +{ + printk(KERN_DEBUG "%s, enable is %d\n", __func__, enable); + if (enable) + USBCTRL |= UCTRL_O_PWR_POL; + else + USBCTRL &= ~UCTRL_O_PWR_POL; +} + +static void mx50_rdp_gpio_spi_chipselect_inactive(int cspi_mode, int status, + int chipselect) +{ + switch (cspi_mode) { + case 1: + break; + case 2: + break; + case 3: + switch (chipselect) { + case 0x1: + gpio_free(CSPI_CS1); + break; + case 0x2: + gpio_free(CSPI_CS2); + break; + default: + break; + } + break; + default: + break; + } + +} + +static struct mxc_spi_master mxcspi1_data = { + .maxchipselect = 4, + .spi_version = 23, + .chipselect_active = mx50_rdp_gpio_spi_chipselect_active, + .chipselect_inactive = mx50_rdp_gpio_spi_chipselect_inactive, +}; + +static struct mxc_spi_master mxcspi3_data = { + .maxchipselect = 4, + .spi_version = 7, + .chipselect_active = mx50_rdp_gpio_spi_chipselect_active, + .chipselect_inactive = mx50_rdp_gpio_spi_chipselect_inactive, +}; + +static struct mxc_i2c_platform_data mxci2c_data = { + .i2c_clk = 100000, +}; + +static struct mxc_srtc_platform_data srtc_data = { + .srtc_sec_mode_addr = OCOTP_CTRL_BASE_ADDR + 0x80, +}; + +#define mV_to_uV(mV) (mV * 1000) +#define uV_to_mV(uV) (uV / 1000) +#define V_to_uV(V) (mV_to_uV(V * 1000)) +#define uV_to_V(uV) (uV_to_mV(uV) / 1000) + +static struct regulator_init_data max17135_init_data[] __initdata = { + { + .constraints = { + .name = "DISPLAY", + }, + }, { + .constraints = { + .name = "GVDD", + .min_uV = V_to_uV(20), + .max_uV = V_to_uV(20), + }, + }, { + .constraints = { + .name = "GVEE", + .min_uV = V_to_uV(-22), + .max_uV = V_to_uV(-22), + }, + }, { + .constraints = { + .name = "HVINN", + .min_uV = V_to_uV(-22), + .max_uV = V_to_uV(-22), + }, + }, { + .constraints = { + .name = "HVINP", + .min_uV = V_to_uV(20), + .max_uV = V_to_uV(20), + }, + }, { + .constraints = { + .name = "VCOM", + .min_uV = mV_to_uV(-4325), + .max_uV = mV_to_uV(-500), + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + }, + }, { + .constraints = { + .name = "VNEG", + .min_uV = V_to_uV(-15), + .max_uV = V_to_uV(-15), + }, + }, { + .constraints = { + .name = "VPOS", + .min_uV = V_to_uV(15), + .max_uV = V_to_uV(15), + }, + }, +}; + +static void epdc_get_pins(void) +{ + /* Claim GPIOs for EPDC pins - used during power up/down */ + gpio_request(EPDC_D0, "epdc_d0"); + gpio_request(EPDC_D1, "epdc_d1"); + gpio_request(EPDC_D2, "epdc_d2"); + gpio_request(EPDC_D3, "epdc_d3"); + gpio_request(EPDC_D4, "epdc_d4"); + gpio_request(EPDC_D5, "epdc_d5"); + gpio_request(EPDC_D6, "epdc_d6"); + gpio_request(EPDC_D7, "epdc_d7"); + gpio_request(EPDC_GDCLK, "epdc_gdclk"); + gpio_request(EPDC_GDSP, "epdc_gdsp"); + gpio_request(EPDC_GDOE, "epdc_gdoe"); + gpio_request(EPDC_GDRL, "epdc_gdrl"); + gpio_request(EPDC_SDCLK, "epdc_sdclk"); + gpio_request(EPDC_SDOE, "epdc_sdoe"); + gpio_request(EPDC_SDLE, "epdc_sdle"); + gpio_request(EPDC_SDSHR, "epdc_sdshr"); + gpio_request(EPDC_BDR0, "epdc_bdr0"); + gpio_request(EPDC_SDCE0, "epdc_sdce0"); + gpio_request(EPDC_SDCE1, "epdc_sdce1"); + gpio_request(EPDC_SDCE2, "epdc_sdce2"); +} + +static void epdc_put_pins(void) +{ + gpio_free(EPDC_D0); + gpio_free(EPDC_D1); + gpio_free(EPDC_D2); + gpio_free(EPDC_D3); + gpio_free(EPDC_D4); + gpio_free(EPDC_D5); + gpio_free(EPDC_D6); + gpio_free(EPDC_D7); + gpio_free(EPDC_GDCLK); + gpio_free(EPDC_GDSP); + gpio_free(EPDC_GDOE); + gpio_free(EPDC_GDRL); + gpio_free(EPDC_SDCLK); + gpio_free(EPDC_SDOE); + gpio_free(EPDC_SDLE); + gpio_free(EPDC_SDSHR); + gpio_free(EPDC_BDR0); + gpio_free(EPDC_SDCE0); + gpio_free(EPDC_SDCE1); + gpio_free(EPDC_SDCE2); +} + +static void epdc_enable_pins(void) +{ + struct pad_desc epdc_d0 = MX50_PAD_EPDC_D0__EPDC_D0; + struct pad_desc epdc_d1 = MX50_PAD_EPDC_D1__EPDC_D1; + struct pad_desc epdc_d2 = MX50_PAD_EPDC_D2__EPDC_D2; + struct pad_desc epdc_d3 = MX50_PAD_EPDC_D3__EPDC_D3; + struct pad_desc epdc_d4 = MX50_PAD_EPDC_D4__EPDC_D4; + struct pad_desc epdc_d5 = MX50_PAD_EPDC_D5__EPDC_D5; + struct pad_desc epdc_d6 = MX50_PAD_EPDC_D6__EPDC_D6; + struct pad_desc epdc_d7 = MX50_PAD_EPDC_D7__EPDC_D7; + struct pad_desc epdc_gdclk = MX50_PAD_EPDC_GDCLK__EPDC_GDCLK; + struct pad_desc epdc_gdsp = MX50_PAD_EPDC_GDSP__EPDC_GDSP; + struct pad_desc epdc_gdoe = MX50_PAD_EPDC_GDOE__EPDC_GDOE; + struct pad_desc epdc_gdrl = MX50_PAD_EPDC_GDRL__EPDC_GDRL; + struct pad_desc epdc_sdclk = MX50_PAD_EPDC_SDCLK__EPDC_SDCLK; + struct pad_desc epdc_sdoe = MX50_PAD_EPDC_SDOE__EPDC_SDOE; + struct pad_desc epdc_sdle = MX50_PAD_EPDC_SDLE__EPDC_SDLE; + struct pad_desc epdc_sdshr = MX50_PAD_EPDC_SDSHR__EPDC_SDSHR; + struct pad_desc epdc_bdr0 = MX50_PAD_EPDC_BDR0__EPDC_BDR0; + struct pad_desc epdc_sdce0 = MX50_PAD_EPDC_SDCE0__EPDC_SDCE0; + struct pad_desc epdc_sdce1 = MX50_PAD_EPDC_SDCE1__EPDC_SDCE1; + struct pad_desc epdc_sdce2 = MX50_PAD_EPDC_SDCE2__EPDC_SDCE2; + + /* Configure MUX settings to enable EPDC use */ + mxc_iomux_v3_setup_pad(&epdc_d0); + mxc_iomux_v3_setup_pad(&epdc_d1); + mxc_iomux_v3_setup_pad(&epdc_d2); + mxc_iomux_v3_setup_pad(&epdc_d3); + mxc_iomux_v3_setup_pad(&epdc_d4); + mxc_iomux_v3_setup_pad(&epdc_d5); + mxc_iomux_v3_setup_pad(&epdc_d6); + mxc_iomux_v3_setup_pad(&epdc_d7); + mxc_iomux_v3_setup_pad(&epdc_gdclk); + mxc_iomux_v3_setup_pad(&epdc_gdsp); + mxc_iomux_v3_setup_pad(&epdc_gdoe); + mxc_iomux_v3_setup_pad(&epdc_gdrl); + mxc_iomux_v3_setup_pad(&epdc_sdclk); + mxc_iomux_v3_setup_pad(&epdc_sdoe); + mxc_iomux_v3_setup_pad(&epdc_sdle); + mxc_iomux_v3_setup_pad(&epdc_sdshr); + mxc_iomux_v3_setup_pad(&epdc_bdr0); + mxc_iomux_v3_setup_pad(&epdc_sdce0); + mxc_iomux_v3_setup_pad(&epdc_sdce1); + mxc_iomux_v3_setup_pad(&epdc_sdce2); + + gpio_direction_input(EPDC_D0); + gpio_direction_input(EPDC_D1); + gpio_direction_input(EPDC_D2); + gpio_direction_input(EPDC_D3); + gpio_direction_input(EPDC_D4); + gpio_direction_input(EPDC_D5); + gpio_direction_input(EPDC_D6); + gpio_direction_input(EPDC_D7); + gpio_direction_input(EPDC_GDCLK); + gpio_direction_input(EPDC_GDSP); + gpio_direction_input(EPDC_GDOE); + gpio_direction_input(EPDC_GDRL); + gpio_direction_input(EPDC_SDCLK); + gpio_direction_input(EPDC_SDOE); + gpio_direction_input(EPDC_SDLE); + gpio_direction_input(EPDC_SDSHR); + gpio_direction_input(EPDC_BDR0); + gpio_direction_input(EPDC_SDCE0); + gpio_direction_input(EPDC_SDCE1); + gpio_direction_input(EPDC_SDCE2); +} + +static void epdc_disable_pins(void) +{ + struct pad_desc epdc_d0 = MX50_PAD_EPDC_D0__GPIO_3_0; + struct pad_desc epdc_d1 = MX50_PAD_EPDC_D1__GPIO_3_1; + struct pad_desc epdc_d2 = MX50_PAD_EPDC_D2__GPIO_3_2; + struct pad_desc epdc_d3 = MX50_PAD_EPDC_D3__GPIO_3_3; + struct pad_desc epdc_d4 = MX50_PAD_EPDC_D4__GPIO_3_4; + struct pad_desc epdc_d5 = MX50_PAD_EPDC_D5__GPIO_3_5; + struct pad_desc epdc_d6 = MX50_PAD_EPDC_D6__GPIO_3_6; + struct pad_desc epdc_d7 = MX50_PAD_EPDC_D7__GPIO_3_7; + struct pad_desc epdc_gdclk = MX50_PAD_EPDC_GDCLK__GPIO_3_16; + struct pad_desc epdc_gdsp = MX50_PAD_EPDC_GDSP__GPIO_3_17; + struct pad_desc epdc_gdoe = MX50_PAD_EPDC_GDOE__GPIO_3_18; + struct pad_desc epdc_gdrl = MX50_PAD_EPDC_GDRL__GPIO_3_19; + struct pad_desc epdc_sdclk = MX50_PAD_EPDC_SDCLK__GPIO_3_20; + struct pad_desc epdc_sdoe = MX50_PAD_EPDC_SDOE__GPIO_3_23; + struct pad_desc epdc_sdle = MX50_PAD_EPDC_SDLE__GPIO_3_24; + struct pad_desc epdc_sdshr = MX50_PAD_EPDC_SDSHR__GPIO_3_26; + struct pad_desc epdc_bdr0 = MX50_PAD_EPDC_BDR0__GPIO_4_23; + struct pad_desc epdc_sdce0 = MX50_PAD_EPDC_SDCE0__GPIO_4_25; + struct pad_desc epdc_sdce1 = MX50_PAD_EPDC_SDCE1__GPIO_4_26; + struct pad_desc epdc_sdce2 = MX50_PAD_EPDC_SDCE2__GPIO_4_27; + + /* Configure MUX settings for EPDC pins to + * GPIO and drive to 0. */ + mxc_iomux_v3_setup_pad(&epdc_d0); + mxc_iomux_v3_setup_pad(&epdc_d1); + mxc_iomux_v3_setup_pad(&epdc_d2); + mxc_iomux_v3_setup_pad(&epdc_d3); + mxc_iomux_v3_setup_pad(&epdc_d4); + mxc_iomux_v3_setup_pad(&epdc_d5); + mxc_iomux_v3_setup_pad(&epdc_d6); + mxc_iomux_v3_setup_pad(&epdc_d7); + mxc_iomux_v3_setup_pad(&epdc_gdclk); + mxc_iomux_v3_setup_pad(&epdc_gdsp); + mxc_iomux_v3_setup_pad(&epdc_gdoe); + mxc_iomux_v3_setup_pad(&epdc_gdrl); + mxc_iomux_v3_setup_pad(&epdc_sdclk); + mxc_iomux_v3_setup_pad(&epdc_sdoe); + mxc_iomux_v3_setup_pad(&epdc_sdle); + mxc_iomux_v3_setup_pad(&epdc_sdshr); + mxc_iomux_v3_setup_pad(&epdc_bdr0); + mxc_iomux_v3_setup_pad(&epdc_sdce0); + mxc_iomux_v3_setup_pad(&epdc_sdce1); + mxc_iomux_v3_setup_pad(&epdc_sdce2); + + gpio_direction_output(EPDC_D0, 0); + gpio_direction_output(EPDC_D1, 0); + gpio_direction_output(EPDC_D2, 0); + gpio_direction_output(EPDC_D3, 0); + gpio_direction_output(EPDC_D4, 0); + gpio_direction_output(EPDC_D5, 0); + gpio_direction_output(EPDC_D6, 0); + gpio_direction_output(EPDC_D7, 0); + gpio_direction_output(EPDC_GDCLK, 0); + gpio_direction_output(EPDC_GDSP, 0); + gpio_direction_output(EPDC_GDOE, 0); + gpio_direction_output(EPDC_GDRL, 0); + gpio_direction_output(EPDC_SDCLK, 0); + gpio_direction_output(EPDC_SDOE, 0); + gpio_direction_output(EPDC_SDLE, 0); + gpio_direction_output(EPDC_SDSHR, 0); + gpio_direction_output(EPDC_BDR0, 0); + gpio_direction_output(EPDC_SDCE0, 0); + gpio_direction_output(EPDC_SDCE1, 0); + gpio_direction_output(EPDC_SDCE2, 0); +} + +static struct fb_videomode e60_mode = { + .name = "E60", + .refresh = 50, + .xres = 800, + .yres = 600, + .pixclock = 20000000, + .left_margin = 10, + .right_margin = 217, + .upper_margin = 4, + .lower_margin = 10, + .hsync_len = 20, + .vsync_len = 4, + .sync = 0, + .vmode = FB_VMODE_NONINTERLACED, + .flag = 0, +}; + +static struct fb_videomode e97_mode = { + .name = "E97", + .refresh = 50, + .xres = 1200, + .yres = 825, + .pixclock = 32000000, + .left_margin = 8, + .right_margin = 125, + .upper_margin = 4, + .lower_margin = 17, + .hsync_len = 20, + .vsync_len = 4, + .sync = 0, + .vmode = FB_VMODE_NONINTERLACED, + .flag = 0, +}; + +static struct mxc_epdc_fb_mode panel_modes[] = { + { + &e60_mode, + 4, 10, 20, 10, 20, 480, 20, 0, 1, 1, + }, + { + &e97_mode, + 8, 10, 20, 10, 20, 580, 20, 0, 1, 3, + }, +}; + +static struct mxc_epdc_fb_platform_data epdc_data = { + .epdc_mode = panel_modes, + .num_modes = ARRAY_SIZE(panel_modes), + .get_pins = epdc_get_pins, + .put_pins = epdc_put_pins, + .enable_pins = epdc_enable_pins, + .disable_pins = epdc_disable_pins, +}; + +static struct max17135_platform_data max17135_pdata __initdata = { + .vneg_pwrup = 1, + .gvee_pwrup = 1, + .vpos_pwrup = 2, + .gvdd_pwrup = 1, + .gvdd_pwrdn = 1, + .vpos_pwrdn = 2, + .gvee_pwrdn = 1, + .vneg_pwrdn = 1, + .gpio_pmic_pwrgood = EPDC_PWRSTAT, + .gpio_pmic_vcom_ctrl = EPDC_VCOM, + .gpio_pmic_wakeup = EPDC_PMIC_WAKE, + .gpio_pmic_intr = EPDC_PMIC_INT, + .regulator_init = max17135_init_data, + .pass_num = 1, + .vcom_uV = -1250000, +}; + +static struct i2c_board_info mxc_i2c0_board_info[] __initdata = { + { + I2C_BOARD_INFO("max17135", 0x48), + .platform_data = &max17135_pdata, + }, + { + .type = "accelerometer", + .addr = 0x1c, + }, + { + .type = "eeprom", + .addr = 0x50, + }, +}; + +static struct i2c_board_info mxc_i2c1_board_info[] __initdata = { + { + .type = "sgtl5000-i2c", + .addr = 0x0a, + }, +}; + +static struct mtd_partition mxc_dataflash_partitions[] = { + { + .name = "bootloader", + .offset = 0, + .size = 0x000100000,}, + { + .name = "kernel", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL,}, +}; + +static struct flash_platform_data mxc_spi_flash_data[] = { + { + .name = "mxc_dataflash", + .parts = mxc_dataflash_partitions, + .nr_parts = ARRAY_SIZE(mxc_dataflash_partitions), + .type = "at45db321d",} +}; + + +static struct spi_board_info mxc_dataflash_device[] __initdata = { + { + .modalias = "mxc_dataflash", + .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 3, + .chip_select = 1, + .platform_data = &mxc_spi_flash_data[0],}, +}; + +static int sdhc_write_protect(struct device *dev) +{ + unsigned short rc = 0; + + if (to_platform_device(dev)->id == 0) + rc = gpio_get_value(SD1_WP); + else if (to_platform_device(dev)->id == 1) + rc = gpio_get_value(SD2_WP); + else if (to_platform_device(dev)->id == 2) + rc = 0; + + return rc; +} + +static unsigned int sdhc_get_card_det_status(struct device *dev) +{ + int ret = 0; + if (to_platform_device(dev)->id == 0) + ret = gpio_get_value(SD1_CD); + else if (to_platform_device(dev)->id == 1) + ret = gpio_get_value(SD2_CD); + else if (to_platform_device(dev)->id == 2) + ret = 1; + + return ret; +} + +static struct mxc_mmc_platform_data mmc1_data = { + .ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29 | MMC_VDD_29_30 + | MMC_VDD_31_32, + .caps = MMC_CAP_4_BIT_DATA, + .min_clk = 400000, + .max_clk = 50000000, + .card_inserted_state = 0, + .status = sdhc_get_card_det_status, + .wp_status = sdhc_write_protect, + .clock_mmc = "esdhc_clk", + .power_mmc = NULL, +}; + +static struct mxc_mmc_platform_data mmc2_data = { + .ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29 | MMC_VDD_29_30 + | MMC_VDD_31_32, + .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, + .min_clk = 400000, + .max_clk = 50000000, + .card_inserted_state = 0, + .status = sdhc_get_card_det_status, + .wp_status = sdhc_write_protect, + .clock_mmc = "esdhc_clk", +}; + +static struct mxc_mmc_platform_data mmc3_data = { + .ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29 | MMC_VDD_29_30 + | MMC_VDD_31_32, + .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, + .min_clk = 400000, + .max_clk = 50000000, + .card_inserted_state = 0, + .status = sdhc_get_card_det_status, + .wp_status = sdhc_write_protect, + .clock_mmc = "esdhc_clk", +}; + +static int mxc_sgtl5000_amp_enable(int enable) +{ +/* TO DO */ + return 0; +} + +static int headphone_det_status(void) +{ + return (gpio_get_value(HP_DETECT) != 0); +} + +static struct mxc_audio_platform_data sgtl5000_data = { + .ssi_num = 1, + .src_port = 2, + .ext_port = 3, + .hp_irq = IOMUX_TO_IRQ_V3(HP_DETECT), + .hp_status = headphone_det_status, + .amp_enable = mxc_sgtl5000_amp_enable, + .sysclk = 12288000, +}; + +static struct platform_device mxc_sgtl5000_device = { + .name = "imx-3stack-sgtl5000", +}; + +static struct pad_desc rdp_wvga_pads[] = { + MX50_PAD_DISP_D0__DISP_D0, + MX50_PAD_DISP_D1__DISP_D1, + MX50_PAD_DISP_D2__DISP_D2, + MX50_PAD_DISP_D3__DISP_D3, + MX50_PAD_DISP_D4__DISP_D4, + MX50_PAD_DISP_D5__DISP_D5, + MX50_PAD_DISP_D6__DISP_D6, + MX50_PAD_DISP_D7__DISP_D7, +}; + +static void wvga_reset(void) +{ + mxc_iomux_v3_setup_multiple_pads(rdp_wvga_pads, \ + ARRAY_SIZE(rdp_wvga_pads)); + return; +} + +static struct mxc_lcd_platform_data lcd_wvga_data = { + .reset = wvga_reset, +}; + +static struct platform_device lcd_wvga_device = { + .name = "lcd_claa", + .dev = { + .platform_data = &lcd_wvga_data, + }, +}; + +static struct fb_videomode video_modes[] = { + { + /* 800x480 @ 57 Hz , pixel clk @ 27MHz */ + "CLAA-WVGA", 57, 800, 480, 37037, 40, 60, 10, 10, 20, 10, + FB_SYNC_CLK_LAT_FALL, + FB_VMODE_NONINTERLACED, + 0,}, +}; + +static struct mxc_fb_platform_data fb_data[] = { + { + .interface_pix_fmt = V4L2_PIX_FMT_RGB565, + .mode_str = "CLAA-WVGA", + .mode = video_modes, + .num_modes = ARRAY_SIZE(video_modes), + }, +}; + +static int __initdata enable_w1 = { 0 }; +static int __init w1_setup(char *__unused) +{ + enable_w1 = 1; + return cpu_is_mx50(); +} + +__setup("w1", w1_setup); + +static struct android_pmem_platform_data android_pmem_pdata = { + .name = "pmem_adsp", + .start = 0, + .size = SZ_4M, + .no_allocator = 0, + .cached = PMEM_NONCACHE_NORMAL, +}; + +static struct android_pmem_platform_data android_pmem_gpu_pdata = { + .name = "pmem_gpu", + .start = 0, + .size = SZ_32M, + .no_allocator = 0, + .cached = PMEM_CACHE_ENABLE, +}; + +static struct android_usb_platform_data android_usb_pdata = { + .vendor_id = 0x0bb4, + .product_id = 0x0c01, + .adb_product_id = 0x0c02, + .version = 0x0100, + .product_name = "Android Phone", + .manufacturer_name = "Freescale", + .nluns = 3, +}; + +/*! + * Board specific fixup function. It is called by \b setup_arch() in + * setup.c file very early on during kernel starts. It allows the user to + * statically fill in the proper values for the passed-in parameters. None of + * the parameters is used currently. + * + * @param desc pointer to \b struct \b machine_desc + * @param tags pointer to \b struct \b tag + * @param cmdline pointer to the command line + * @param mi pointer to \b struct \b meminfo + */ +static void __init fixup_mxc_board(struct machine_desc *desc, struct tag *tags, + char **cmdline, struct meminfo *mi) +{ + struct tag *t; + int size; + + mxc_set_cpu_type(MXC_CPU_MX50); + + get_cpu_wp = mx50_rdp_get_cpu_wp; + set_num_cpu_wp = mx50_rdp_set_num_cpu_wp; + + for_each_tag(t, tags) { + if (t->hdr.tag != ATAG_MEM) + continue; + size = t->u.mem.size; + + android_pmem_pdata.start = + PHYS_OFFSET + size - android_pmem_pdata.size; + android_pmem_gpu_pdata.start = + android_pmem_pdata.start - android_pmem_gpu_pdata.size; +#if 0 + gpu_device.resource[5].start = + android_pmem_gpu_pdata.start - SZ_16M; + gpu_device.resource[5].end = + gpu_device.resource[5].start + SZ_16M - 1; +#endif + size -= android_pmem_pdata.size; + size -= android_pmem_gpu_pdata.size; + //size -= SZ_16M; + t->u.mem.size = size; + } +} + +static void __init mx50_rdp_io_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(mx50_rdp, \ + ARRAY_SIZE(mx50_rdp)); + + gpio_request(SD1_WP, "sdhc1-wp"); + gpio_direction_input(SD1_WP); + + gpio_request(SD1_CD, "sdhc1-cd"); + gpio_direction_input(SD1_CD); + + gpio_request(SD2_WP, "sdhc2-wp"); + gpio_direction_input(SD2_WP); + + gpio_request(SD2_CD, "sdhc2-cd"); + gpio_direction_input(SD2_CD); + + gpio_request(HP_DETECT, "hp-det"); + gpio_direction_input(HP_DETECT); + + gpio_request(PWR_INT, "pwr-int"); + gpio_direction_input(PWR_INT); + + gpio_request(EPDC_PMIC_WAKE, "epdc-pmic-wake"); + gpio_direction_output(EPDC_PMIC_WAKE, 0); + + gpio_request(EPDC_VCOM, "epdc-vcom"); + gpio_direction_output(EPDC_VCOM, 0); + + gpio_request(EPDC_PMIC_INT, "epdc-pmic-int"); + gpio_direction_input(EPDC_PMIC_INT); + + gpio_request(EPDC_PWRSTAT, "epdc-pwrstat"); + gpio_direction_input(EPDC_PWRSTAT); + + /* ELCDIF backlight */ + gpio_request(EPDC_ELCDIF_BACKLIGHT, "elcdif-backlight"); + gpio_direction_output(EPDC_ELCDIF_BACKLIGHT, 1); + + if (enable_w1) { + struct pad_desc one_wire = MX50_PAD_OWIRE__OWIRE; + mxc_iomux_v3_setup_pad(&one_wire); + } + + /* SGTL5000_OSC_EN */ + gpio_request(SGTL_OSCEN, "sgtl5000-osc-en"); + gpio_direction_output(SGTL_OSCEN, 1); + + gpio_request(FEC_EN, "fec-en"); + gpio_direction_output(FEC_EN, 0); + + gpio_request(FEC_RESET_B, "fec-reset_b"); + gpio_direction_output(FEC_RESET_B, 0); + udelay(500); + gpio_set_value(FEC_RESET_B, 1); + +} + +/*! + * Board specific initialization. + */ +static void __init mxc_board_init(void) +{ + /* SD card detect irqs */ + mxcsdhc1_device.resource[2].start = IOMUX_TO_IRQ_V3(SD1_CD); + mxcsdhc1_device.resource[2].end = IOMUX_TO_IRQ_V3(SD1_CD); + mxcsdhc2_device.resource[2].start = IOMUX_TO_IRQ_V3(SD2_CD); + mxcsdhc2_device.resource[2].end = IOMUX_TO_IRQ_V3(SD2_CD); + + mxc_cpu_common_init(); + mxc_register_gpios(); + mx50_rdp_io_init(); + + mxc_register_device(&mxc_dma_device, NULL); + mxc_register_device(&mxc_wdt_device, NULL); + mxc_register_device(&mxcspi1_device, &mxcspi1_data); + mxc_register_device(&mxcspi3_device, &mxcspi3_data); + mxc_register_device(&mxci2c_devices[0], &mxci2c_data); + mxc_register_device(&mxci2c_devices[1], &mxci2c_data); + mxc_register_device(&mxci2c_devices[2], &mxci2c_data); + + mxc_register_device(&mxc_rtc_device, &srtc_data); + mxc_register_device(&mxc_w1_master_device, &mxc_w1_data); + mxc_register_device(&gpu_device, NULL); + mxc_register_device(&mxc_pxp_device, NULL); + mxc_register_device(&mxc_pxp_client_device, NULL); + mxc_register_device(&mxc_pxp_v4l2, NULL); + mxc_register_device(&busfreq_device, NULL); + mxc_register_device(&mxc_dvfs_core_device, &dvfs_core_data); + + /* + mxc_register_device(&mx53_lpmode_device, NULL); + mxc_register_device(&mxc_dvfs_per_device, &dvfs_per_data); + */ + /* + mxc_register_device(&mxc_keypad_device, &keypad_plat_data); + */ + mxc_register_device(&mxcsdhc1_device, &mmc1_data); + mxc_register_device(&mxcsdhc2_device, &mmc2_data); + mxc_register_device(&mxcsdhc3_device, &mmc3_data); + mxc_register_device(&mxc_ssi1_device, NULL); + mxc_register_device(&mxc_ssi2_device, NULL); + mxc_register_device(&mxc_fec_device, &fec_data); + spi_register_board_info(mxc_dataflash_device, + ARRAY_SIZE(mxc_dataflash_device)); + i2c_register_board_info(0, mxc_i2c0_board_info, + ARRAY_SIZE(mxc_i2c0_board_info)); + i2c_register_board_info(1, mxc_i2c1_board_info, + ARRAY_SIZE(mxc_i2c1_board_info)); + + mxc_register_device(&epdc_device, &epdc_data); + mxc_register_device(&lcd_wvga_device, &lcd_wvga_data); + mxc_register_device(&elcdif_device, &fb_data[0]); + mxc_register_device(&mxs_viim, NULL); + + mxc_register_device(&mxc_android_pmem_device, &android_pmem_pdata); + mxc_register_device(&mxc_android_pmem_gpu_device, &android_pmem_gpu_pdata); + mxc_register_device(&android_usb_device, &android_usb_pdata); + mxc_register_device(&mxc_powerkey_device, NULL); + mx50_rdp_init_mc13892(); +/* + pm_power_off = mxc_power_off; + */ + mxc_register_device(&mxc_sgtl5000_device, &sgtl5000_data); + mx5_set_otghost_vbus_func(mx50_arm2_usb_set_vbus); + mx5_usb_dr_init(); + mx5_usbh1_init(); +} + +static void __init mx50_rdp_timer_init(void) +{ + struct clk *uart_clk; + + mx50_clocks_init(32768, 24000000, 22579200); + + uart_clk = clk_get(NULL, "uart_clk.0"); + early_console_setup(MX53_BASE_ADDR(UART1_BASE_ADDR), uart_clk); +} + +static struct sys_timer mxc_timer = { + .init = mx50_rdp_timer_init, +}; + +/* + * The following uses standard kernel macros define in arch.h in order to + * initialize __mach_desc_MX50_RDP data structure. + */ +MACHINE_START(MX50_RDP, "Freescale MX50 Reference Design Platform") + /* Maintainer: Freescale Semiconductor, Inc. */ + .fixup = fixup_mxc_board, + .map_io = mx5_map_io, + .init_irq = mx5_init_irq, + .init_machine = mxc_board_init, + .timer = &mxc_timer, +MACHINE_END |