There are multiple GPIOs that can be used with the same driver depending on the CONFIG_GPIO_BASE defined in the controller driver.

GPIO3 and 4 require a clock to be enabled so let's enable them when the driver is built.

Signed-off-by: Quentin Schulz quentin.schulz@bootlin.com --- arch/arm/cpu/arm926ejs/spear/cpu.c | 3 +++ arch/arm/include/asm/arch-spear/spr_misc.h | 1 + 2 files changed, 4 insertions(+)

diff --git a/arch/arm/cpu/arm926ejs/spear/cpu.c b/arch/arm/cpu/arm926ejs/spear/cpu.c index 0970aca2ef..6fc29e77ff 100644 --- a/arch/arm/cpu/arm926ejs/spear/cpu.c +++ b/arch/arm/cpu/arm926ejs/spear/cpu.c @@ -49,6 +49,9 @@ int arch_cpu_init(void) #if defined(CONFIG_USB_EHCI_SPEAR) periph1_clken |= PERIPH_USBH1 | PERIPH_USBH2; #endif +#if defined(CONFIG_SPEAR_GPIO) + periph1_clken |= MISC_GPIO3ENB | MISC_GPIO4ENB; +#endif

writel(periph1_clken, &misc_p->periph1_clken);

diff --git a/arch/arm/include/asm/arch-spear/spr_misc.h b/arch/arm/include/asm/arch-spear/spr_misc.h index c906730699..65063fca51 100644 --- a/arch/arm/include/asm/arch-spear/spr_misc.h +++ b/arch/arm/include/asm/arch-spear/spr_misc.h @@ -144,6 +144,7 @@ struct misc_regs { #define MISC_USBDENB 0x01000000 #define MISC_ETHENB 0x00800000 #define MISC_SMIENB 0x00200000 +#define MISC_GPIO3ENB 0x00040000 #define MISC_GPT3ENB 0x00010000 #define MISC_GPIO4ENB 0x00002000 #define MISC_GPT2ENB 0x00000800