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openwrt: add chipselect line to bitbanged SPI interface

This commit is contained in:
Bart Van Der Meerssche 2010-08-08 16:05:55 +02:00
parent c8271f5fd0
commit 505ce638f5
1 changed files with 19 additions and 0 deletions
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19
mote/v2/openwrt/patches/110.spi_gpio_enable_cs_line.patch Normal file
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@ -0,0 +1,19 @@
--- /tmp/build_dir/linux-atheros/linux-2.6.30.10/arch/mips/ar231x/ar2315.c 2010-08-08 15:52:43.005477443 +0200
+++ build_dir/linux-atheros/linux-2.6.30.10/arch/mips/ar231x/ar2315.c 2010-08-08 15:56:06.009475860 +0200
@@ -407,6 +407,7 @@
#define SPI_GPIO_SCK 3
#define SPI_GPIO_MOSI 2
#define SPI_GPIO_MISO 1
+#define SPI_GPIO_CS 6
static struct spi_gpio_platform_data ar2315_spi_gpio_platform_data = {
.sck = SPI_GPIO_SCK,
@@ -426,7 +427,7 @@
static struct spi_board_info ar2315_spi_gpio_board_info[] __initdata = {
{
.modalias = "spidev",
- .controller_data = (void *) SPI_GPIO_NO_CHIPSELECT,
+ .controller_data = (void *) SPI_GPIO_CS,
.mode = SPI_MODE_0,
.max_speed_hz = 10000000, /* 10kHz */
.bus_num = 0,