[PATCH v2] ARM: mxs: Add initial support for Bluegiga APX4 Development Kit
Lauri Hintsala
lauri.hintsala at bluegiga.com
Wed Oct 26 04:19:37 EDT 2011
On 10/26/2011 10:43 AM, Sascha Hauer wrote:
> On Wed, Oct 26, 2011 at 08:28:01AM +0300, Lauri Hintsala wrote:
>> Hello Sascha,
>>
>> Is this board support patch OK for releasing?
>
> Yes, it's ok. I can't garantuee that it makes it in this merge window
> though.
Could I help you somehow to get patches this merge window? I would like
to have our board to be support by next kernel.
Lauri
>
> Sascha
>
>>
>> BR,
>> Lauri Hintsala
>>
>>
>> On 10/19/2011 01:16 PM, Lauri Hintsala wrote:
>>> Added initial support for Bluegiga APX4 module and Development Kit.
>>> Currently DUART, AUARTs, FEC, I2C, MMC0, RTC and user LED are supported.
>>>
>>> Signed-off-by: Lauri Hintsala<lauri.hintsala at bluegiga.com>
>>> Signed-off-by: Veli-Pekka Peltola<veli-pekka.peltola at bluegiga.com>
>>> ---
>>> v2
>>> * code cleanups
>>> * ethernet mac address parsing removed because fec driver implements parsing already
>>>
>>> arch/arm/configs/mxs_defconfig | 1 +
>>> arch/arm/mach-mxs/Kconfig | 15 +++
>>> arch/arm/mach-mxs/Makefile | 1 +
>>> arch/arm/mach-mxs/include/mach/mxs.h | 1 +
>>> arch/arm/mach-mxs/include/mach/uncompress.h | 1 +
>>> arch/arm/mach-mxs/mach-apx4devkit.c | 170 +++++++++++++++++++++++++++
>>> 6 files changed, 189 insertions(+), 0 deletions(-)
>>> create mode 100644 arch/arm/mach-mxs/mach-apx4devkit.c
>>>
>>> diff --git a/arch/arm/configs/mxs_defconfig b/arch/arm/configs/mxs_defconfig
>>> index db2cb7d..6a6268d 100644
>>> --- a/arch/arm/configs/mxs_defconfig
>>> +++ b/arch/arm/configs/mxs_defconfig
>>> @@ -26,6 +26,7 @@ CONFIG_MACH_MX23EVK=y
>>> CONFIG_MACH_MX28EVK=y
>>> CONFIG_MACH_STMP378X_DEVB=y
>>> CONFIG_MACH_TX28=y
>>> +CONFIG_MACH_APX4DEVKIT=y
>>> # CONFIG_ARM_THUMB is not set
>>> CONFIG_NO_HZ=y
>>> CONFIG_HIGH_RES_TIMERS=y
>>> diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
>>> index 4cd0231..fecb606 100644
>>> --- a/arch/arm/mach-mxs/Kconfig
>>> +++ b/arch/arm/mach-mxs/Kconfig
>>> @@ -64,8 +64,23 @@ config MODULE_TX28
>>> select MXS_HAVE_PLATFORM_MXS_MMC
>>> select MXS_HAVE_PLATFORM_MXS_PWM
>>>
>>> +config MODULE_APX4
>>> + bool
>>> + select SOC_IMX28
>>> + select LEDS_GPIO_REGISTER
>>> + select MXS_HAVE_AMBA_DUART
>>> + select MXS_HAVE_PLATFORM_AUART
>>> + select MXS_HAVE_PLATFORM_FEC
>>> + select MXS_HAVE_PLATFORM_MXS_I2C
>>> + select MXS_HAVE_PLATFORM_MXS_MMC
>>> + select MXS_OCOTP
>>> +
>>> config MACH_TX28
>>> bool "Ka-Ro TX28 module"
>>> select MODULE_TX28
>>>
>>> +config MACH_APX4DEVKIT
>>> + bool "Support Bluegiga APX4 Development Kit"
>>> + select MODULE_APX4
>>> +
>>> endif
>>> diff --git a/arch/arm/mach-mxs/Makefile b/arch/arm/mach-mxs/Makefile
>>> index 6c38262..3d335a7 100644
>>> --- a/arch/arm/mach-mxs/Makefile
>>> +++ b/arch/arm/mach-mxs/Makefile
>>> @@ -12,5 +12,6 @@ obj-$(CONFIG_MACH_MX23EVK) += mach-mx23evk.o
>>> obj-$(CONFIG_MACH_MX28EVK) += mach-mx28evk.o
>>> obj-$(CONFIG_MODULE_TX28) += module-tx28.o
>>> obj-$(CONFIG_MACH_TX28) += mach-tx28.o
>>> +obj-$(CONFIG_MACH_APX4DEVKIT) += mach-apx4devkit.o
>>>
>>> obj-y += devices/
>>> diff --git a/arch/arm/mach-mxs/include/mach/mxs.h b/arch/arm/mach-mxs/include/mach/mxs.h
>>> index 35a89dd..59011ef 100644
>>> --- a/arch/arm/mach-mxs/include/mach/mxs.h
>>> +++ b/arch/arm/mach-mxs/include/mach/mxs.h
>>> @@ -32,6 +32,7 @@
>>> machine_is_mx23evk() || \
>>> 0)
>>> #define cpu_is_mx28() ( \
>>> + machine_is_apx4devkit() || \
>>> machine_is_mx28evk() || \
>>> machine_is_tx28() || \
>>> 0)
>>> diff --git a/arch/arm/mach-mxs/include/mach/uncompress.h b/arch/arm/mach-mxs/include/mach/uncompress.h
>>> index 7f8bf65..b66a29d 100644
>>> --- a/arch/arm/mach-mxs/include/mach/uncompress.h
>>> +++ b/arch/arm/mach-mxs/include/mach/uncompress.h
>>> @@ -62,6 +62,7 @@ static inline void __arch_decomp_setup(unsigned long arch_id)
>>> case MACH_TYPE_MX23EVK:
>>> mxs_duart_base = MX23_DUART_BASE_ADDR;
>>> break;
>>> + case MACH_TYPE_APX4DEVKIT:
>>> case MACH_TYPE_MX28EVK:
>>> case MACH_TYPE_TX28:
>>> mxs_duart_base = MX28_DUART_BASE_ADDR;
>>> diff --git a/arch/arm/mach-mxs/mach-apx4devkit.c b/arch/arm/mach-mxs/mach-apx4devkit.c
>>> new file mode 100644
>>> index 0000000..28d334d
>>> --- /dev/null
>>> +++ b/arch/arm/mach-mxs/mach-apx4devkit.c
>>> @@ -0,0 +1,170 @@
>>> +/*
>>> + * Copyright (C) 2011
>>> + * Lauri Hintsala, Bluegiga,<lauri.hintsala at 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/irq.h>
>>> +#include<linux/clk.h>
>>> +#include<linux/i2c.h>
>>> +
>>> +#include<asm/mach-types.h>
>>> +#include<asm/mach/arch.h>
>>> +#include<asm/mach/time.h>
>>> +
>>> +#include<mach/common.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,
>>> +};
>>> +
>>> +/* 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 struct fec_platform_data mx28_fec_pdata __initdata = {
>>> + .phy = PHY_INTERFACE_MODE_RMII,
>>> +};
>>> +
>>> +static struct mxs_mmc_platform_data apx4devkit_mmc_pdata __initdata = {
>>> + .wp_gpio = -EINVAL,
>>> + .flags = SLOTF_8_BIT_CAPABLE,
>>> +};
>>> +
>>> +static struct i2c_board_info apx4devkit_i2c_boardinfo[] __initdata = {
>>> + { I2C_BOARD_INFO("sgtl5000", 0x0a) }, /* ASoC */
>>> + { I2C_BOARD_INFO("pcf8563", 0x51) }, /* RTC */
>>> +};
>>> +
>>> +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();
>>> +
>>> + mx28_add_fec(0,&mx28_fec_pdata);
>>> +
>>> + mx28_add_mxs_mmc(0,&apx4devkit_mmc_pdata);
>>> +
>>> + gpio_led_register_device(0,&apx4devkit_led_data);
>>> +
>>> + /* I2C */
>>> + mx28_add_mxs_i2c(0);
>>> + i2c_register_board_info(0, apx4devkit_i2c_boardinfo,
>>> + ARRAY_SIZE(apx4devkit_i2c_boardinfo));
>>> +}
>>> +
>>> +static void __init apx4devkit_timer_init(void)
>>> +{
>>> + mx28_clocks_init();
>>> +}
>>> +
>>> +static struct sys_timer apx4devkit_timer = {
>>> + .init = apx4devkit_timer_init,
>>> +};
>>> +
>>> +MACHINE_START(APX4DEVKIT, "Bluegiga APX4 Development Kit")
>>> + .map_io = mx28_map_io,
>>> + .init_irq = mx28_init_irq,
>>> + .timer =&apx4devkit_timer,
>>> + .init_machine = apx4devkit_init,
>>> +MACHINE_END
>>
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>>
>
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