diff options
| -rw-r--r-- | drivers/reset/stm32-reset.c | 17 | ||||
| -rw-r--r-- | include/dt-bindings/reset/stm32mp1-resets.h | 1 |
2 files changed, 14 insertions, 4 deletions
diff --git a/drivers/reset/stm32-reset.c b/drivers/reset/stm32-reset.c index 64a11cfcfc0..20c36a99eb3 100644 --- a/drivers/reset/stm32-reset.c +++ b/drivers/reset/stm32-reset.c @@ -14,6 +14,9 @@ #include <asm/io.h> #include <linux/bitops.h> +/* offset of register without set/clear management */ +#define RCC_MP_GCR_OFFSET 0x10C + /* reset clear offset for STM32MP RCC */ #define RCC_CL 0x4 @@ -40,8 +43,11 @@ static int stm32_reset_assert(struct reset_ctl *reset_ctl) reset_ctl->id, bank, offset); if (dev_get_driver_data(reset_ctl->dev) == STM32MP1) - /* reset assert is done in rcc set register */ - writel(BIT(offset), priv->base + bank); + if (bank != RCC_MP_GCR_OFFSET) + /* reset assert is done in rcc set register */ + writel(BIT(offset), priv->base + bank); + else + clrbits_le32(priv->base + bank, BIT(offset)); else setbits_le32(priv->base + bank, BIT(offset)); @@ -57,8 +63,11 @@ static int stm32_reset_deassert(struct reset_ctl *reset_ctl) reset_ctl->id, bank, offset); if (dev_get_driver_data(reset_ctl->dev) == STM32MP1) - /* reset deassert is done in rcc clr register */ - writel(BIT(offset), priv->base + bank + RCC_CL); + if (bank != RCC_MP_GCR_OFFSET) + /* reset deassert is done in rcc clr register */ + writel(BIT(offset), priv->base + bank + RCC_CL); + else + setbits_le32(priv->base + bank, BIT(offset)); else clrbits_le32(priv->base + bank, BIT(offset)); diff --git a/include/dt-bindings/reset/stm32mp1-resets.h b/include/dt-bindings/reset/stm32mp1-resets.h index f0c3aaef67a..702da37a2e8 100644 --- a/include/dt-bindings/reset/stm32mp1-resets.h +++ b/include/dt-bindings/reset/stm32mp1-resets.h @@ -7,6 +7,7 @@ #ifndef _DT_BINDINGS_STM32MP1_RESET_H_ #define _DT_BINDINGS_STM32MP1_RESET_H_ +#define MCU_HOLD_BOOT_R 2144 #define LTDC_R 3072 #define DSI_R 3076 #define DDRPERFM_R 3080 |