diff options
Diffstat (limited to 'drivers/spi/npcm_pspi.c')
| -rw-r--r-- | drivers/spi/npcm_pspi.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/spi/npcm_pspi.c b/drivers/spi/npcm_pspi.c index eb14185273e..7708a96971c 100644 --- a/drivers/spi/npcm_pspi.c +++ b/drivers/spi/npcm_pspi.c @@ -3,10 +3,10 @@ * Copyright (c) 2021 Nuvoton Technology. */ -#include <common.h> #include <dm.h> #include <spi.h> #include <clk.h> +#include <reset.h> #include <asm/gpio.h> #include <linux/iopoll.h> @@ -194,6 +194,7 @@ static int npcm_pspi_probe(struct udevice *bus) { struct npcm_pspi_priv *priv = dev_get_priv(bus); int node = dev_of_offset(bus); + struct reset_ctl reset; int ret; ret = clk_get_by_index(bus, 0, &priv->clk); @@ -205,6 +206,14 @@ static int npcm_pspi_probe(struct udevice *bus) gpio_request_by_name_nodev(offset_to_ofnode(node), "cs-gpios", 0, &priv->cs_gpio, GPIOD_IS_OUT| GPIOD_ACTIVE_LOW); + /* Reset HW */ + ret = reset_get_by_index(bus, 0, &reset); + if (!ret) { + reset_assert(&reset); + udelay(5); + reset_deassert(&reset); + } + return 0; } |