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| author | Jagan Teki <jagan@amarulasolutions.com> | 2018-03-14 18:46:31 +0530 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-04-06 16:11:09 -0400 |
| commit | 9bf48e2ee8a0174adfb0f18d110198e4ca042284 (patch) | |
| tree | bb646909608a4c61d8081eaf7c0c482bc831e808 /drivers/spi/atmel_spi.c | |
| parent | 6074c3879c69a28cd8ace6ae03df5f9d4d2ef17f (diff) | |
| download | u-boot-9bf48e2ee8a0174adfb0f18d110198e4ca042284.tar.gz u-boot-9bf48e2ee8a0174adfb0f18d110198e4ca042284.tar.xz u-boot-9bf48e2ee8a0174adfb0f18d110198e4ca042284.zip | |
spi: atmel: Add ifdef for DM_GPIO code
Few boards are configuring gpio directly from board instead
using drivers/gpio so add ifdef for DM_GPIO to compatible
for both the cases.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Acked-by: Wenyou Yang <wenyouya@gmail.com>
Diffstat (limited to 'drivers/spi/atmel_spi.c')
| -rw-r--r-- | drivers/spi/atmel_spi.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c index 8010ab434c..3cdfd366ab 100644 --- a/drivers/spi/atmel_spi.c +++ b/drivers/spi/atmel_spi.c @@ -236,7 +236,9 @@ struct atmel_spi_priv { unsigned int freq; /* Default frequency */ unsigned int mode; ulong bus_clk_rate; +#ifdef CONFIG_DM_GPIO struct gpio_desc cs_gpios[MAX_CS_COUNT]; +#endif }; static int atmel_spi_claim_bus(struct udevice *dev) @@ -291,6 +293,7 @@ static int atmel_spi_release_bus(struct udevice *dev) static void atmel_spi_cs_activate(struct udevice *dev) { +#ifdef CONFIG_DM_GPIO struct udevice *bus = dev_get_parent(dev); struct atmel_spi_priv *priv = dev_get_priv(bus); struct dm_spi_slave_platdata *slave_plat = dev_get_parent_platdata(dev); @@ -300,10 +303,12 @@ static void atmel_spi_cs_activate(struct udevice *dev) return; dm_gpio_set_value(&priv->cs_gpios[cs], 0); +#endif } static void atmel_spi_cs_deactivate(struct udevice *dev) { +#ifdef CONFIG_DM_GPIO struct udevice *bus = dev_get_parent(dev); struct atmel_spi_priv *priv = dev_get_priv(bus); struct dm_spi_slave_platdata *slave_plat = dev_get_parent_platdata(dev); @@ -313,6 +318,7 @@ static void atmel_spi_cs_deactivate(struct udevice *dev) return; dm_gpio_set_value(&priv->cs_gpios[cs], 1); +#endif } static int atmel_spi_xfer(struct udevice *dev, unsigned int bitlen, @@ -462,8 +468,7 @@ static int atmel_spi_enable_clk(struct udevice *bus) static int atmel_spi_probe(struct udevice *bus) { struct atmel_spi_platdata *bus_plat = dev_get_platdata(bus); - struct atmel_spi_priv *priv = dev_get_priv(bus); - int i, ret; + int ret; ret = atmel_spi_enable_clk(bus); if (ret) @@ -471,6 +476,10 @@ static int atmel_spi_probe(struct udevice *bus) bus_plat->regs = (struct at91_spi *)devfdt_get_addr(bus); +#ifdef CONFIG_DM_GPIO + struct atmel_spi_priv *priv = dev_get_priv(bus); + int i; + ret = gpio_request_list_by_name(bus, "cs-gpios", priv->cs_gpios, ARRAY_SIZE(priv->cs_gpios), 0); if (ret < 0) { @@ -485,6 +494,7 @@ static int atmel_spi_probe(struct udevice *bus) dm_gpio_set_dir_flags(&priv->cs_gpios[i], GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); } +#endif writel(ATMEL_SPI_CR_SWRST, &bus_plat->regs->cr); |