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Merge branch 'mxs/boards' of git://git.linaro.org/people/shawnguo/lin…
…ux-2.6 into next/boards * 'mxs/boards' of git://git.linaro.org/people/shawnguo/linux-2.6: ARM: mxs: Add initial support for Bluegiga APX4 Development Kit ARM: mxs: read correct values when setting up MAC ARM: mx28evk: Simplify GPIO requests ARM: mx28: Remove duplicate OCOTP error message ARM: mxs: detect SoC by checking CHIPID register
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| /* | ||
| * Copyright (C) 2011-2012 | ||
| * Lauri Hintsala, Bluegiga, <lauri.hintsala@bluegiga.com> | ||
| * Veli-Pekka Peltola, Bluegiga, <veli-pekka.peltola@bluegiga.com> | ||
| * | ||
| * based on: mach-mx28evk.c | ||
| * Copyright 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. | ||
| */ | ||
|
|
||
| #include <linux/delay.h> | ||
| #include <linux/platform_device.h> | ||
| #include <linux/gpio.h> | ||
| #include <linux/leds.h> | ||
| #include <linux/clk.h> | ||
| #include <linux/i2c.h> | ||
| #include <linux/regulator/machine.h> | ||
| #include <linux/regulator/fixed.h> | ||
| #include <linux/micrel_phy.h> | ||
|
|
||
| #include <asm/mach-types.h> | ||
| #include <asm/mach/arch.h> | ||
| #include <asm/mach/time.h> | ||
|
|
||
| #include <mach/common.h> | ||
| #include <mach/digctl.h> | ||
| #include <mach/iomux-mx28.h> | ||
|
|
||
| #include "devices-mx28.h" | ||
|
|
||
| #define APX4DEVKIT_GPIO_USERLED MXS_GPIO_NR(3, 28) | ||
|
|
||
| static const iomux_cfg_t apx4devkit_pads[] __initconst = { | ||
| /* duart */ | ||
| MX28_PAD_PWM0__DUART_RX | MXS_PAD_CTRL, | ||
| MX28_PAD_PWM1__DUART_TX | MXS_PAD_CTRL, | ||
|
|
||
| /* auart0 */ | ||
| MX28_PAD_AUART0_RX__AUART0_RX | MXS_PAD_CTRL, | ||
| MX28_PAD_AUART0_TX__AUART0_TX | MXS_PAD_CTRL, | ||
| MX28_PAD_AUART0_CTS__AUART0_CTS | MXS_PAD_CTRL, | ||
| MX28_PAD_AUART0_RTS__AUART0_RTS | MXS_PAD_CTRL, | ||
|
|
||
| /* auart1 */ | ||
| MX28_PAD_AUART1_RX__AUART1_RX | MXS_PAD_CTRL, | ||
| MX28_PAD_AUART1_TX__AUART1_TX | MXS_PAD_CTRL, | ||
|
|
||
| /* auart2 */ | ||
| MX28_PAD_SSP2_SCK__AUART2_RX | MXS_PAD_CTRL, | ||
| MX28_PAD_SSP2_MOSI__AUART2_TX | MXS_PAD_CTRL, | ||
|
|
||
| /* auart3 */ | ||
| MX28_PAD_SSP2_MISO__AUART3_RX | MXS_PAD_CTRL, | ||
| MX28_PAD_SSP2_SS0__AUART3_TX | MXS_PAD_CTRL, | ||
|
|
||
| #define MXS_PAD_FEC (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP) | ||
| /* fec0 */ | ||
| MX28_PAD_ENET0_MDC__ENET0_MDC | MXS_PAD_FEC, | ||
| MX28_PAD_ENET0_MDIO__ENET0_MDIO | MXS_PAD_FEC, | ||
| MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MXS_PAD_FEC, | ||
| MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MXS_PAD_FEC, | ||
| MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MXS_PAD_FEC, | ||
| MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MXS_PAD_FEC, | ||
| MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MXS_PAD_FEC, | ||
| MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MXS_PAD_FEC, | ||
| MX28_PAD_ENET_CLK__CLKCTRL_ENET | MXS_PAD_FEC, | ||
|
|
||
| /* i2c */ | ||
| MX28_PAD_I2C0_SCL__I2C0_SCL, | ||
| MX28_PAD_I2C0_SDA__I2C0_SDA, | ||
|
|
||
| /* mmc0 */ | ||
| MX28_PAD_SSP0_DATA0__SSP0_D0 | | ||
| (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | ||
| MX28_PAD_SSP0_DATA1__SSP0_D1 | | ||
| (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | ||
| MX28_PAD_SSP0_DATA2__SSP0_D2 | | ||
| (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | ||
| MX28_PAD_SSP0_DATA3__SSP0_D3 | | ||
| (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | ||
| MX28_PAD_SSP0_DATA4__SSP0_D4 | | ||
| (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | ||
| MX28_PAD_SSP0_DATA5__SSP0_D5 | | ||
| (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | ||
| MX28_PAD_SSP0_DATA6__SSP0_D6 | | ||
| (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | ||
| MX28_PAD_SSP0_DATA7__SSP0_D7 | | ||
| (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | ||
| MX28_PAD_SSP0_CMD__SSP0_CMD | | ||
| (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | ||
| MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT | | ||
| (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), | ||
| MX28_PAD_SSP0_SCK__SSP0_SCK | | ||
| (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), | ||
|
|
||
| /* led */ | ||
| MX28_PAD_PWM3__GPIO_3_28 | MXS_PAD_CTRL, | ||
|
|
||
| /* saif0 & saif1 */ | ||
| MX28_PAD_SAIF0_MCLK__SAIF0_MCLK | | ||
| (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | ||
| MX28_PAD_SAIF0_LRCLK__SAIF0_LRCLK | | ||
| (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | ||
| MX28_PAD_SAIF0_BITCLK__SAIF0_BITCLK | | ||
| (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | ||
| MX28_PAD_SAIF0_SDATA0__SAIF0_SDATA0 | | ||
| (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | ||
| MX28_PAD_SAIF1_SDATA0__SAIF1_SDATA0 | | ||
| (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), | ||
| }; | ||
|
|
||
| /* led */ | ||
| static const struct gpio_led apx4devkit_leds[] __initconst = { | ||
| { | ||
| .name = "user-led", | ||
| .default_trigger = "heartbeat", | ||
| .gpio = APX4DEVKIT_GPIO_USERLED, | ||
| }, | ||
| }; | ||
|
|
||
| static const struct gpio_led_platform_data apx4devkit_led_data __initconst = { | ||
| .leds = apx4devkit_leds, | ||
| .num_leds = ARRAY_SIZE(apx4devkit_leds), | ||
| }; | ||
|
|
||
| static const struct fec_platform_data mx28_fec_pdata __initconst = { | ||
| .phy = PHY_INTERFACE_MODE_RMII, | ||
| }; | ||
|
|
||
| static const struct mxs_mmc_platform_data apx4devkit_mmc_pdata __initconst = { | ||
| .wp_gpio = -EINVAL, | ||
| .flags = SLOTF_4_BIT_CAPABLE, | ||
| }; | ||
|
|
||
| static const struct i2c_board_info apx4devkit_i2c_boardinfo[] __initconst = { | ||
| { I2C_BOARD_INFO("sgtl5000", 0x0a) }, /* ASoC */ | ||
| { I2C_BOARD_INFO("pcf8563", 0x51) }, /* RTC */ | ||
| }; | ||
|
|
||
| #if defined(CONFIG_REGULATOR_FIXED_VOLTAGE) || \ | ||
| defined(CONFIG_REGULATOR_FIXED_VOLTAGE_MODULE) | ||
| static struct regulator_consumer_supply apx4devkit_audio_consumer_supplies[] = { | ||
| REGULATOR_SUPPLY("VDDA", "0-000a"), | ||
| REGULATOR_SUPPLY("VDDIO", "0-000a"), | ||
| }; | ||
|
|
||
| static struct regulator_init_data apx4devkit_vdd_reg_init_data = { | ||
| .constraints = { | ||
| .name = "3V3", | ||
| .always_on = 1, | ||
| }, | ||
| .consumer_supplies = apx4devkit_audio_consumer_supplies, | ||
| .num_consumer_supplies = ARRAY_SIZE(apx4devkit_audio_consumer_supplies), | ||
| }; | ||
|
|
||
| static struct fixed_voltage_config apx4devkit_vdd_pdata = { | ||
| .supply_name = "board-3V3", | ||
| .microvolts = 3300000, | ||
| .gpio = -EINVAL, | ||
| .enabled_at_boot = 1, | ||
| .init_data = &apx4devkit_vdd_reg_init_data, | ||
| }; | ||
|
|
||
| static struct platform_device apx4devkit_voltage_regulator = { | ||
| .name = "reg-fixed-voltage", | ||
| .id = -1, | ||
| .num_resources = 0, | ||
| .dev = { | ||
| .platform_data = &apx4devkit_vdd_pdata, | ||
| }, | ||
| }; | ||
|
|
||
| static void __init apx4devkit_add_regulators(void) | ||
| { | ||
| platform_device_register(&apx4devkit_voltage_regulator); | ||
| } | ||
| #else | ||
| static void __init apx4devkit_add_regulators(void) {} | ||
| #endif | ||
|
|
||
| static const struct mxs_saif_platform_data | ||
| apx4devkit_mxs_saif_pdata[] __initconst = { | ||
| /* working on EXTMSTR0 mode (saif0 master, saif1 slave) */ | ||
| { | ||
| .master_mode = 1, | ||
| .master_id = 0, | ||
| }, { | ||
| .master_mode = 0, | ||
| .master_id = 0, | ||
| }, | ||
| }; | ||
|
|
||
| static int apx4devkit_phy_fixup(struct phy_device *phy) | ||
| { | ||
| phy->dev_flags |= MICREL_PHY_50MHZ_CLK; | ||
| return 0; | ||
| } | ||
|
|
||
| static void __init apx4devkit_init(void) | ||
| { | ||
| mxs_iomux_setup_multiple_pads(apx4devkit_pads, | ||
| ARRAY_SIZE(apx4devkit_pads)); | ||
|
|
||
| mx28_add_duart(); | ||
| mx28_add_auart0(); | ||
| mx28_add_auart1(); | ||
| mx28_add_auart2(); | ||
| mx28_add_auart3(); | ||
|
|
||
| /* | ||
| * Register fixup for the Micrel KS8031 PHY clock | ||
| * (shares same ID with KS8051) | ||
| */ | ||
| phy_register_fixup_for_uid(PHY_ID_KS8051, MICREL_PHY_ID_MASK, | ||
| apx4devkit_phy_fixup); | ||
|
|
||
| mx28_add_fec(0, &mx28_fec_pdata); | ||
|
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| mx28_add_mxs_mmc(0, &apx4devkit_mmc_pdata); | ||
|
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| gpio_led_register_device(0, &apx4devkit_led_data); | ||
|
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| mxs_saif_clkmux_select(MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0); | ||
| mx28_add_saif(0, &apx4devkit_mxs_saif_pdata[0]); | ||
| mx28_add_saif(1, &apx4devkit_mxs_saif_pdata[1]); | ||
|
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| apx4devkit_add_regulators(); | ||
|
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| mx28_add_mxs_i2c(0); | ||
| i2c_register_board_info(0, apx4devkit_i2c_boardinfo, | ||
| ARRAY_SIZE(apx4devkit_i2c_boardinfo)); | ||
|
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| mxs_add_platform_device("mxs-sgtl5000", 0, NULL, 0, NULL, 0); | ||
| } | ||
|
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| static void __init apx4devkit_timer_init(void) | ||
| { | ||
| mx28_clocks_init(); | ||
| } | ||
|
|
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| static struct sys_timer apx4devkit_timer = { | ||
| .init = apx4devkit_timer_init, | ||
| }; | ||
|
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| MACHINE_START(APX4DEVKIT, "Bluegiga APX4 Development Kit") | ||
| .map_io = mx28_map_io, | ||
| .init_irq = mx28_init_irq, | ||
| .timer = &apx4devkit_timer, | ||
| .init_machine = apx4devkit_init, | ||
| .restart = mxs_restart, | ||
| MACHINE_END |
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