diff options
| author | Quentin Schulz <quentin.schulz@bootlin.com> | 2018-08-31 16:15:53 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-09-10 21:19:32 -0400 |
| commit | d2d908d258b8ffeda3e29bdc4164014730592ae6 (patch) | |
| tree | b7e4b327dc5bded5d890fd5eae5fa532113c6603 /arch | |
| parent | 8961c8ad252b8af887439e4e5c6c1bc0c912f2de (diff) | |
| download | u-boot-d2d908d258b8ffeda3e29bdc4164014730592ae6.tar.gz | |
arm: spear: enable GPIO3 and 4 clocks when the GPIO controller driver is built
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/spear/cpu.c | 3 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-spear/spr_misc.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/spear/cpu.c b/arch/arm/cpu/arm926ejs/spear/cpu.c index e852a88881..88a40c6036 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 |