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[AVR32] Use per-controller spi_board_info structures

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Set up one spi_board_info array per controller and pass this to
at32_add_device_spi so that it can set up any GPIO pins for chip
selects based on this information.

Extracted from a patch by David Brownell and adapted slightly.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
This commit is contained in:
Haavard Skinnemoen
2007-02-16 13:56:11 +01:00
parent 23cebe2287
commit 41d8ca452f
3 changed files with 44 additions and 24 deletions
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9
arch/avr32/boards/atstk1000/atstk1002.c
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@@ -8,7 +8,6 @@
* published by the Free Software Foundation.
*/
#include <linux/clk.h>
#include <linux/device.h>
#include <linux/etherdevice.h>
#include <linux/init.h>
#include <linux/kernel.h>
@@ -36,12 +35,11 @@ static struct eth_addr __initdata hw_addr[2];
static struct eth_platform_data __initdata eth_data[2];
extern struct lcdc_platform_data atstk1000_fb0_data;
static struct spi_board_info spi_board_info[] __initdata = {
static struct spi_board_info spi0_board_info[] __initdata = {
{
/* QVGA display */
.modalias = "ltv350qv",
.controller_data = (void *)GPIO_PIN_PA(4),
.max_speed_hz = 16000000,
.bus_num = 0,
.chip_select = 1,
},
};
@@ -149,8 +147,7 @@ static int __init atstk1002_init(void)
set_hw_addr(at32_add_device_eth(0, &eth_data[0]));
spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
at32_add_device_spi(0);
at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
at32_add_device_lcdc(0, &atstk1000_fb0_data);
return 0;