ARM: DT: stm32f7: add pin control node for serial port pins

[people/ms/u-boot.git] / board / st / stm32f746-disco / stm32f746-disco.c

diff --git a/board/st/stm32f746-disco/stm32f746-disco.c b/board/st/stm32f746-disco/stm32f746-disco.c
index ee1deb52753e20e966db20f211a499e1f945979b..9ebc36b846339c898ea1ca1e344c029f5af6320d 100644 (file)
--- a/board/st/stm32f746-disco/stm32f746-disco.c
+++ b/board/st/stm32f746-disco/stm32f746-disco.c
@@ -27,14 +27,6 @@ const struct stm32_gpio_ctl gpio_ctl_gpout = {
        .af = STM32_GPIO_AF0
 };
 
-const struct stm32_gpio_ctl gpio_ctl_usart = {
-       .mode = STM32_GPIO_MODE_AF,
-       .otype = STM32_GPIO_OTYPE_PP,
-       .speed = STM32_GPIO_SPEED_50M,
-       .pupd = STM32_GPIO_PUPD_UP,
-       .af = STM32_GPIO_AF7
-};
-
 const struct stm32_gpio_ctl gpio_ctl_fmc = {
        .mode = STM32_GPIO_MODE_AF,
        .otype = STM32_GPIO_OTYPE_PP,
@@ -245,26 +237,11 @@ int dram_init(void)
        return rv;
 }
 
-static const struct stm32_gpio_dsc usart_gpio[] = {
-       {STM32_GPIO_PORT_A, STM32_GPIO_PIN_9},  /* TX */
-       {STM32_GPIO_PORT_B, STM32_GPIO_PIN_7},  /* RX */
-};
-
 int uart_setup_gpio(void)
 {
-       int i;
-       int rv = 0;
-
        clock_setup(GPIO_A_CLOCK_CFG);
        clock_setup(GPIO_B_CLOCK_CFG);
-       for (i = 0; i < ARRAY_SIZE(usart_gpio); i++) {
-               rv = stm32_gpio_config(&usart_gpio[i], &gpio_ctl_usart);
-               if (rv)
-                       goto out;
-       }
-
-out:
-       return rv;
+       return 0;
 }
 
 #ifdef CONFIG_ETH_DESIGNWARE