[PATCH v2] ARM: mxs: Add initial support for Bluegiga APX4 Development Kit
Lauri Hintsala
lauri.hintsala at bluegiga.com
Wed Oct 26 01:28:01 EDT 2011
Hello Sascha,
Is this board support patch OK for releasing?
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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