[U-Boot] [PATCH 08/14] universal: request soft i2c/spi gpio
Przemyslaw Marczak
p.marczak at samsung.com
Fri Oct 24 17:45:04 CEST 2014
Signed-off-by: Przemyslaw Marczak <p.marczak at samsung.com>
---
board/samsung/universal_c210/universal.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/board/samsung/universal_c210/universal.c b/board/samsung/universal_c210/universal.c
index c04f48c..b53def8 100644
--- a/board/samsung/universal_c210/universal.c
+++ b/board/samsung/universal_c210/universal.c
@@ -204,6 +204,21 @@ int exynos_early_init_f(void)
#ifdef CONFIG_SOFT_SPI
static void soft_spi_init(void)
{
+ char buf[16];
+
+ /* Reserve gpios for soft SPI */
+ sprintf(buf, "soft_spi_sclk");
+ gpio_request(CONFIG_SOFT_SPI_GPIO_SCLK, buf);
+
+ sprintf(buf, "soft_spi_mosi");
+ gpio_request(CONFIG_SOFT_SPI_GPIO_MOSI, buf);
+
+ sprintf(buf, "soft_spi_miso");
+ gpio_request(CONFIG_SOFT_SPI_GPIO_MISO, buf);
+
+ sprintf(buf, "soft_spi_cs");
+ gpio_request(CONFIG_SOFT_SPI_GPIO_CS, buf);
+
gpio_direction_output(CONFIG_SOFT_SPI_GPIO_SCLK,
CONFIG_SOFT_SPI_MODE & SPI_CPOL);
gpio_direction_output(CONFIG_SOFT_SPI_GPIO_MOSI, 1);
@@ -377,6 +392,8 @@ void exynos_enable_ldo(unsigned int onoff)
int exynos_init(void)
{
+ char buf[16];
+
gd->bd->bi_arch_number = MACH_TYPE_UNIVERSAL_C210;
switch (get_hwrev()) {
@@ -401,6 +418,13 @@ int exynos_init(void)
break;
}
+ /* Request soft I2C gpios */
+ sprintf(buf, "soft_i2c_scl");
+ gpio_request(CONFIG_SOFT_I2C_GPIO_SCL, buf);
+
+ sprintf(buf, "soft_i2c_sda");
+ gpio_request(CONFIG_SOFT_I2C_GPIO_SDA, buf);
+
#ifdef CONFIG_SOFT_SPI
soft_spi_init();
#endif
--
1.9.1
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