android_kernel_google_msm/arch/arm/mach-msm/board-9625-gpiomux.c
Rohit Vaswani 09174b6efe msm: 9625: Initialize SPI and SPI Ethernet
9625 supports SPI ethernet on BLSP1 QUP6. Add the dts data,
gpiomux configurations and the board setup code for it.

Change-Id: Ib185a9a0a6bf830fcb53b05a2c60e34a740e8e52
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
2013-02-27 18:20:41 -08:00

90 lines
2.1 KiB
C

/* Copyright (c) 2012, Code Aurora Forum. 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 version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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/init.h>
#include <linux/ioport.h>
#include <mach/board.h>
#include <mach/gpio.h>
#include <mach/gpiomux.h>
static struct gpiomux_setting gpio_uart_config = {
.func = GPIOMUX_FUNC_2,
.drv = GPIOMUX_DRV_16MA,
.pull = GPIOMUX_PULL_NONE,
.dir = GPIOMUX_OUT_HIGH,
};
static struct gpiomux_setting gpio_spi_cs_config = {
.func = GPIOMUX_FUNC_9,
.drv = GPIOMUX_DRV_12MA,
.pull = GPIOMUX_PULL_NONE,
};
static struct gpiomux_setting gpio_spi_config = {
.func = GPIOMUX_FUNC_2,
.drv = GPIOMUX_DRV_12MA,
.pull = GPIOMUX_PULL_NONE,
};
static struct msm_gpiomux_config msm_blsp_configs[] __initdata = {
{
.gpio = 45, /* BLSP1 UART TX */
.settings = {
[GPIOMUX_SUSPENDED] = &gpio_uart_config,
},
},
{
.gpio = 46, /* BLSP1 UART RX */
.settings = {
[GPIOMUX_SUSPENDED] = &gpio_uart_config,
},
},
{
.gpio = 69, /* BLSP6 QUP SPI_CS_N */
.settings = {
[GPIOMUX_SUSPENDED] = &gpio_spi_cs_config,
},
},
{
.gpio = 20, /* BLSP6 QUP SPI_DATA_MOSI */
.settings = {
[GPIOMUX_SUSPENDED] = &gpio_spi_config,
},
},
{
.gpio = 21, /* BLSP6 QUP SPI_DATA_MISO */
.settings = {
[GPIOMUX_SUSPENDED] = &gpio_spi_config,
},
},
{
.gpio = 23, /* BLSP6 QUP SPI_CLK */
.settings = {
[GPIOMUX_SUSPENDED] = &gpio_spi_config,
},
},
};
void __init msm9625_init_gpiomux(void)
{
int rc;
rc = msm_gpiomux_init(NR_GPIO_IRQS);
if (rc) {
pr_err(KERN_ERR "msm9625_init_gpiomux failed %d\n", rc);
return;
}
msm_gpiomux_install(msm_blsp_configs, ARRAY_SIZE(msm_blsp_configs));
}