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/*
* Platform glue data for ST-Ericsson CW1200 driver
*
* Copyright (c) 2013, Sagrad, Inc
* Author: Solomon Peachy <speachy@sagrad.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/module.h>
#include <linux/cw1200_platform.h>
MODULE_AUTHOR("Solomon Peachy <speachy@sagrad.com>");
MODULE_DESCRIPTION("ST-Ericsson CW1200 Platform glue driver");
MODULE_LICENSE("GPL");
/* Define just one of these. Feel free to customize as needed */
#define SAGRAD_1091_1098_EVK_SDIO
/* #define SAGRAD_1091_1098_EVK_SPI */
#ifdef SAGRAD_1091_1098_EVK_SDIO
#if 0
static struct resource cw1200_href_resources[] = {
{
.start = 215, /* fix me as appropriate */
.end = 215, /* ditto */
.flags = IORESOURCE_IO,
.name = "cw1200_wlan_reset",
},
{
.start = 216, /* fix me as appropriate */
.end = 216, /* ditto */
.flags = IORESOURCE_IO,
.name = "cw1200_wlan_powerup",
},
{
.start = NOMADIK_GPIO_TO_IRQ(216), /* fix me as appropriate */
.end = NOMADIK_GPIO_TO_IRQ(216), /* ditto */
.flags = IORESOURCE_IRQ,
.name = "cw1200_wlan_irq",
},
};
#endif
static int cw1200_power_ctrl(const struct cw1200_platform_data_sdio *pdata,
bool enable)
{
/* Control 3v3 and 1v8 to hardware as appropriate */
/* Note this is not needed if it's controlled elsewhere or always on */
/* May require delay for power to stabilize */
return 0;
}
static int cw1200_clk_ctrl(const struct cw1200_platform_data_sdio *pdata,
bool enable)
{
/* Turn CLK_32K off and on as appropriate. */
/* Note this is not needed if it's always on */
/* May require delay for clock to stabilize */
return 0;
}
static struct cw1200_platform_data_sdio cw1200_platform_data = {
.ref_clk = 38400,
.have_5ghz = false,
#if 0
.reset = &cw1200_href_resources[0],
.powerup = &cw1200_href_resources[1],
.irq = &cw1200_href_resources[2],
#endif
.power_ctrl = cw1200_power_ctrl,
.clk_ctrl = cw1200_clk_ctrl,
/* .macaddr = ??? */
.sdd_file = "sdd_sagrad_1091_1098.bin",
};
#endif
#ifdef SAGRAD_1091_1098_EVK_SPI
/* Note that this is an example of integrating into your board support file */
static struct resource cw1200_href_resources[] = {
{
.start = GPIO_RF_RESET,
.end = GPIO_RF_RESET,
.flags = IORESOURCE_IO,
.name = "cw1200_wlan_reset",
},
{
.start = GPIO_RF_POWERUP,
.end = GPIO_RF_POWERUP,
.flags = IORESOURCE_IO,
.name = "cw1200_wlan_powerup",
},
};
static int cw1200_power_ctrl(const struct cw1200_platform_data_spi *pdata,
bool enable)
{
/* Control 3v3 and 1v8 to hardware as appropriate */
/* Note this is not needed if it's controlled elsewhere or always on */
/* May require delay for power to stabilize */
return 0;
}
static int cw1200_clk_ctrl(const struct cw1200_platform_data_spi *pdata,
bool enable)
{
/* Turn CLK_32K off and on as appropriate. */
/* Note this is not needed if it's always on */
/* May require delay for clock to stabilize */
return 0;
}
static struct cw1200_platform_data_spi cw1200_platform_data = {
.ref_clk = 38400,
.spi_bits_per_word = 16,
.reset = &cw1200_href_resources[0],
.powerup = &cw1200_href_resources[1],
.power_ctrl = cw1200_power_ctrl,
.clk_ctrl = cw1200_clk_ctrl,
/* .macaddr = ??? */
.sdd_file = "sdd_sagrad_1091_1098.bin",
};
static struct spi_board_info myboard_spi_devices[] __initdata = {
{
.modalias = "cw1200_wlan_spi",
.max_speed_hz = 10000000, /* 52MHz Max */
.bus_num = 0,
.irq = WIFI_IRQ,
.platform_data = &cw1200_platform_data,
.chip_select = 0,
},
};
#endif
const void *cw1200_get_platform_data(void)
{
return &cw1200_platform_data;
}
EXPORT_SYMBOL_GPL(cw1200_get_platform_data);
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