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author | Daniel Mack <daniel@caiaq.de> | 2009-11-19 11:02:08 (GMT) |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-11-19 16:11:01 (GMT) |
commit | 84677d114a7bcba11981a76ee60498a1b41d9d94 (patch) | |
tree | 9481c8f960341f955ac7a25f039e2f8b1d8fb97e /arch/arm/mach-mx3 | |
parent | 364cd540f036f106d886a9c51ae05e9a9bacf051 (diff) | |
download | linux-fsl-qoriq-84677d114a7bcba11981a76ee60498a1b41d9d94.tar.xz |
ARM: MX3: add SPI devices for mx31lite
Some header files were reordered while I was at it.
The only device currently registered is the ATLAS PMIC (MC13783) chip.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx3')
-rw-r--r-- | arch/arm/mach-mx3/mx31lite-db.c | 24 | ||||
-rw-r--r-- | arch/arm/mach-mx3/mx31lite.c | 49 |
2 files changed, 71 insertions, 2 deletions
diff --git a/arch/arm/mach-mx3/mx31lite-db.c b/arch/arm/mach-mx3/mx31lite-db.c index 45abae1..f60cf08 100644 --- a/arch/arm/mach-mx3/mx31lite-db.c +++ b/arch/arm/mach-mx3/mx31lite-db.c @@ -28,6 +28,7 @@ #include <linux/types.h> #include <linux/init.h> #include <linux/gpio.h> +#include <linux/platform_device.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -39,6 +40,7 @@ #include <mach/iomux-mx3.h> #include <mach/board-mx31lite.h> #include <mach/mmc.h> +#include <mach/spi.h> #include "devices.h" @@ -55,6 +57,14 @@ static unsigned int litekit_db_board_pins[] __initdata = { MX31_PIN_RTS1__RTS1, MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1, + /* SPI 0 */ + MX31_PIN_CSPI1_SCLK__SCLK, + MX31_PIN_CSPI1_MOSI__MOSI, + MX31_PIN_CSPI1_MISO__MISO, + MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, + MX31_PIN_CSPI1_SS0__SS0, + MX31_PIN_CSPI1_SS1__SS1, + MX31_PIN_CSPI1_SS2__SS2, }; /* UART */ @@ -130,6 +140,19 @@ static struct imxmmc_platform_data mmc_pdata = { .exit = mxc_mmc1_exit, }; +/* SPI */ + +static int spi_internal_chipselect[] = { + MXC_SPI_CS(0), + MXC_SPI_CS(1), + MXC_SPI_CS(2), +}; + +static struct spi_imx_master spi0_pdata = { + .chipselect = spi_internal_chipselect, + .num_chipselect = ARRAY_SIZE(spi_internal_chipselect), +}; + void __init mx31lite_db_init(void) { mxc_iomux_setup_multiple_pins(litekit_db_board_pins, @@ -137,5 +160,6 @@ void __init mx31lite_db_init(void) "development board pins"); mxc_register_device(&mxc_uart_device0, &uart_pdata); mxc_register_device(&mxcsdhc_device0, &mmc_pdata); + mxc_register_device(&mxc_spi_device0, &spi0_pdata); } diff --git a/arch/arm/mach-mx3/mx31lite.c b/arch/arm/mach-mx3/mx31lite.c index dc993a8..03762a3 100644 --- a/arch/arm/mach-mx3/mx31lite.c +++ b/arch/arm/mach-mx3/mx31lite.c @@ -2,6 +2,7 @@ * Copyright (C) 2000 Deep Blue Solutions Ltd * Copyright (C) 2002 Shane Nay (shane@minirl.com) * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2009 Daniel Mack <daniel@caiaq.de> * * 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 @@ -25,20 +26,25 @@ #include <linux/platform_device.h> #include <linux/gpio.h> #include <linux/smsc911x.h> +#include <linux/mfd/mc13783.h> +#include <linux/spi/spi.h> -#include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <asm/mach/map.h> -#include <mach/common.h> #include <asm/page.h> #include <asm/setup.h> + +#include <mach/hardware.h> +#include <mach/common.h> #include <mach/board-mx31lite.h> #include <mach/imx-uart.h> #include <mach/iomux-mx3.h> #include <mach/irqs.h> #include <mach/mxc_nand.h> +#include <mach/spi.h> + #include "devices.h" /* @@ -48,6 +54,14 @@ static unsigned int mx31lite_pins[] = { /* LAN9117 IRQ pin */ IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), + /* SPI 1 */ + MX31_PIN_CSPI2_SCLK__SCLK, + MX31_PIN_CSPI2_MOSI__MOSI, + MX31_PIN_CSPI2_MISO__MISO, + MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, + MX31_PIN_CSPI2_SS0__SS0, + MX31_PIN_CSPI2_SS1__SS1, + MX31_PIN_CSPI2_SS2__SS2, }; static struct mxc_nand_platform_data mx31lite_nand_board_info = { @@ -84,6 +98,35 @@ static struct platform_device smsc911x_device = { }; /* + * SPI + * + * The MC13783 is the only hard-wired SPI device on the module. + */ + +static int spi_internal_chipselect[] = { + MXC_SPI_CS(0), +}; + +static struct spi_imx_master spi1_pdata = { + .chipselect = spi_internal_chipselect, + .num_chipselect = ARRAY_SIZE(spi_internal_chipselect), +}; + +static struct mc13783_platform_data mc13783_pdata __initdata = { + .flags = MC13783_USE_RTC | + MC13783_USE_REGULATOR, +}; + +static struct spi_board_info mc13783_spi_dev __initdata = { + .modalias = "mc13783", + .max_speed_hz = 1000000, + .bus_num = 1, + .chip_select = 0, + .platform_data = &mc13783_pdata, + .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3), +}; + +/* * This structure defines the MX31 memory map. */ static struct map_desc mx31lite_io_desc[] __initdata = { @@ -131,6 +174,8 @@ static void __init mxc_board_init(void) "mx31lite"); mxc_register_device(&mxc_nand_device, &mx31lite_nand_board_info); + mxc_register_device(&mxc_spi_device1, &spi1_pdata); + spi_register_board_info(&mc13783_spi_dev, 1); /* SMSC9117 IRQ pin */ ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq"); |