From 14cec061139a8fb0461d8748d14a2dbcf8a56f2e Mon Sep 17 00:00:00 2001 From: Vikas Manocha Date: Thu, 11 Feb 2016 15:47:17 -0800 Subject: gpio: stm32_gpio: move clock config from driver to board This patch removes the gpio clock enable from gpio driver & move it in the board code, making it possible to use the gpio driver with other socs. Signed-off-by: Vikas Manocha --- arch/arm/mach-stm32/stm32f4/clock.c | 48 +++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) (limited to 'arch/arm/mach-stm32') diff --git a/arch/arm/mach-stm32/stm32f4/clock.c b/arch/arm/mach-stm32/stm32f4/clock.c index 576d3e68ae..631f36a5a1 100644 --- a/arch/arm/mach-stm32/stm32f4/clock.c +++ b/arch/arm/mach-stm32/stm32f4/clock.c @@ -71,6 +71,21 @@ #define FLASH_ACR_ICEN (1 << 9) #define FLASH_ACR_DCEN (1 << 10) +/* + * RCC GPIO specific definitions + */ +#define RCC_ENR_GPIO_A_EN (1 << 0) +#define RCC_ENR_GPIO_B_EN (1 << 1) +#define RCC_ENR_GPIO_C_EN (1 << 2) +#define RCC_ENR_GPIO_D_EN (1 << 3) +#define RCC_ENR_GPIO_E_EN (1 << 4) +#define RCC_ENR_GPIO_F_EN (1 << 5) +#define RCC_ENR_GPIO_G_EN (1 << 6) +#define RCC_ENR_GPIO_H_EN (1 << 7) +#define RCC_ENR_GPIO_I_EN (1 << 8) +#define RCC_ENR_GPIO_J_EN (1 << 9) +#define RCC_ENR_GPIO_K_EN (1 << 10) + struct pll_psc { u8 pll_m; u16 pll_n; @@ -237,6 +252,39 @@ void clock_setup(int peripheral) case USART1_CLOCK_CFG: setbits_le32(&STM32_RCC->apb2enr, RCC_ENR_USART1EN); break; + case GPIO_A_CLOCK_CFG: + setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_A_EN); + break; + case GPIO_B_CLOCK_CFG: + setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_B_EN); + break; + case GPIO_C_CLOCK_CFG: + setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_C_EN); + break; + case GPIO_D_CLOCK_CFG: + setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_D_EN); + break; + case GPIO_E_CLOCK_CFG: + setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_E_EN); + break; + case GPIO_F_CLOCK_CFG: + setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_F_EN); + break; + case GPIO_G_CLOCK_CFG: + setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_G_EN); + break; + case GPIO_H_CLOCK_CFG: + setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_H_EN); + break; + case GPIO_I_CLOCK_CFG: + setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_I_EN); + break; + case GPIO_J_CLOCK_CFG: + setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_J_EN); + break; + case GPIO_K_CLOCK_CFG: + setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_K_EN); + break; default: break; } -- cgit v1.2.1