From 3ea2e1a4b74e39f3cc665cf84a25eedb3ae70647 Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Mon, 26 Oct 2009 11:55:56 +0100 Subject: [PATCH] ARM: MX3: add SPI functions for lilly1131-db This adds support for the two SPI busses found on the lilly1131 module. Signed-off-by: Daniel Mack Cc: Sascha Hauer Signed-off-by: Sascha Hauer --- arch/arm/mach-mx3/mx31lilly.c | 37 +++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/arch/arm/mach-mx3/mx31lilly.c b/arch/arm/mach-mx3/mx31lilly.c index de5cf01f1734..f593a629d8b8 100644 --- a/arch/arm/mach-mx3/mx31lilly.c +++ b/arch/arm/mach-mx3/mx31lilly.c @@ -41,6 +41,7 @@ #include #include #include +#include #include "devices.h" @@ -110,6 +111,22 @@ static struct platform_device *devices[] __initdata = { &physmap_flash_device, }; +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), +}; + +static struct spi_imx_master spi1_pdata = { + .chipselect = spi_internal_chipselect, + .num_chipselect = ARRAY_SIZE(spi_internal_chipselect), +}; + static int mx31lilly_baseboard; core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444); @@ -128,6 +145,26 @@ static void __init mx31lilly_board_init(void) mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS"); + /* SPI */ + mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SCLK__SCLK, "SPI1_CLK"); + mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MOSI__MOSI, "SPI1_TX"); + mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MISO__MISO, "SPI1_RX"); + mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, "SPI1_RDY"); + mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS0__SS0, "SPI1_SS0"); + mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS1__SS1, "SPI1_SS1"); + mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS2__SS2, "SPI1_SS2"); + + mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SCLK__SCLK, "SPI2_CLK"); + mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MOSI__MOSI, "SPI2_TX"); + mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MISO__MISO, "SPI2_RX"); + mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, "SPI2_RDY"); + mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS0__SS0, "SPI2_SS0"); + mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS1__SS1, "SPI2_SS1"); + mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS2__SS2, "SPI2_SS2"); + + mxc_register_device(&mxc_spi_device0, &spi0_pdata); + mxc_register_device(&mxc_spi_device1, &spi1_pdata); + platform_add_devices(devices, ARRAY_SIZE(devices)); } -- GitLab