exynos: universal_c210: Move to driver model soft_spi

Adjust this board to use the driver model soft_spi implementation.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>

diff --git a/arch/arm/dts/exynos4210-universal_c210.dts b/arch/arm/dts/exynos4210-universal_c210.dts
index cf3354f02e64015929477dff63110ad8b2023251..9139810b1a924e7fab07b306f5c121103ff90c4a 100644 (file)
--- 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 c04f48ca99febbba1c4e9570ffe6becabe7e0e80..22b08497cb57c1091b1eb82aeed7b58b73c18857 100644 (file)
--- 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 4fa8d66a25a7597788164eef2cc96cb6e610b96f..4b30d148c31d4882aee8c544f2d724ca67130245 100644 (file)
--- 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);