Adjust this board to use the driver model soft_spi implementation.
Signed-off-by: Simon Glass <s...@chromium.org>
---
Changes in v3: None
Changes in v2: None
arch/arm/dts/exynos4210-universal_c210.dts | 13 ++++++++
board/samsung/universal_c210/universal.c | 52 ------------------------------
include/configs/s5pc210_universal.h | 11 +------
3 files changed, 14 insertions(+), 62 deletions(-)
diff --git a/arch/arm/dts/exynos4210-universal_c210.dts
b/arch/arm/dts/exynos4210-universal_c210.dts
index cf3354f..9139810 100644
--- a/arch/arm/dts/exynos4210-universal_c210.dts
+++ b/arch/arm/dts/exynos4210-universal_c210.dts
@@ -41,6 +41,19 @@
status = "disabled";
};
+ soft-spi {
+ compatible = "u-boot,soft-spi";
+ cs-gpio = <&gpio 235 0>; /* Y43 */
+ sclk-gpio = <&gpio 225 0>; /* Y31 */
+ mosi-gpio = <&gpio 227 0>; /* Y33 */
+ miso-gpio = <&gpio 224 0>; /* Y30 */
+ spi-delay-us = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cs@0 {
+ };
+ };
+
fimd@11c00000 {
compatible = "samsung,exynos-fimd";
reg = <0x11c00000 0xa4>;
diff --git a/board/samsung/universal_c210/universal.c
b/board/samsung/universal_c210/universal.c
index c04f48c..22b0849 100644
--- a/board/samsung/universal_c210/universal.c
+++ b/board/samsung/universal_c210/universal.c
@@ -201,53 +201,6 @@ int exynos_early_init_f(void)
return 0;
}
-#ifdef CONFIG_SOFT_SPI
-static void soft_spi_init(void)
-{
- gpio_direction_output(CONFIG_SOFT_SPI_GPIO_SCLK,
- CONFIG_SOFT_SPI_MODE & SPI_CPOL);
- gpio_direction_output(CONFIG_SOFT_SPI_GPIO_MOSI, 1);
- gpio_direction_input(CONFIG_SOFT_SPI_GPIO_MISO);
- gpio_direction_output(CONFIG_SOFT_SPI_GPIO_CS,
- !(CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH));
-}
-
-void spi_cs_activate(struct spi_slave *slave)
-{
- gpio_set_value(CONFIG_SOFT_SPI_GPIO_CS,
- !(CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH));
- SPI_SCL(1);
- gpio_set_value(CONFIG_SOFT_SPI_GPIO_CS,
- CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH);
-}
-
-void spi_cs_deactivate(struct spi_slave *slave)
-{
- gpio_set_value(CONFIG_SOFT_SPI_GPIO_CS,
- !(CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH));
-}
-
-int spi_cs_is_valid(unsigned int bus, unsigned int cs)
-{
- return bus == 0 && cs == 0;
-}
-
-void universal_spi_scl(int bit)
-{
- gpio_set_value(CONFIG_SOFT_SPI_GPIO_SCLK, bit);
-}
-
-void universal_spi_sda(int bit)
-{
- gpio_set_value(CONFIG_SOFT_SPI_GPIO_MOSI, bit);
-}
-
-int universal_spi_read(void)
-{
- return gpio_get_value(CONFIG_SOFT_SPI_GPIO_MISO);
-}
-#endif
-
static void init_pmic_lcd(void)
{
unsigned char val;
@@ -332,8 +285,6 @@ void exynos_cfg_lcd_gpio(void)
/* gpio pad configuration for LCD reset. */
gpio_request(EXYNOS4_GPIO_Y45, "lcd_reset");
gpio_cfg_pin(EXYNOS4_GPIO_Y45, S5P_GPIO_OUTPUT);
-
- spi_init();
}
int mipi_power(void)
@@ -401,9 +352,6 @@ int exynos_init(void)
break;
}
-#ifdef CONFIG_SOFT_SPI
- soft_spi_init();
-#endif
check_hw_revision();
printf("HW Revision:\t0x%x\n", board_rev);
diff --git a/include/configs/s5pc210_universal.h
b/include/configs/s5pc210_universal.h
index 4fa8d66..4b30d14 100644
--- a/include/configs/s5pc210_universal.h
+++ b/include/configs/s5pc210_universal.h
@@ -187,16 +187,7 @@
* SPI Settings
*/
#define CONFIG_SOFT_SPI
-#define CONFIG_SOFT_SPI_MODE SPI_MODE_3
-#define CONFIG_SOFT_SPI_GPIO_SCLK EXYNOS4_GPIO_Y31
-#define CONFIG_SOFT_SPI_GPIO_MOSI EXYNOS4_GPIO_Y33
-#define CONFIG_SOFT_SPI_GPIO_MISO EXYNOS4_GPIO_Y30
-#define CONFIG_SOFT_SPI_GPIO_CS EXYNOS4_GPIO_Y43
-
-#define SPI_DELAY udelay(1)
-#define SPI_SCL(bit) universal_spi_scl(bit)
-#define SPI_SDA(bit) universal_spi_sda(bit)
-#define SPI_READ universal_spi_read()
+
#ifndef __ASSEMBLY__
void universal_spi_scl(int bit);
void universal_spi_sda(int bit);
--
2.1.0.rc2.206.gedb03e5
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