From 34da258bb0465de4bf44dc8949a9536cc06bf725 Mon Sep 17 00:00:00 2001 From: Venkatesh Yadav Abbarapu Date: Thu, 26 Sep 2024 10:25:05 +0530 Subject: spi: spi-uclass: Read chipselect and restrict capabilities Read chipselect properties from DT which are populated using 'reg' property and save it in plat->cs[] array for later use. Also read multi chipselect capability which is used for parallel-memories and return errors if they are passed on using DT but driver is not capable of handling it. Signed-off-by: Ashok Reddy Soma Signed-off-by: Venkatesh Yadav Abbarapu --- drivers/spi/atmel_spi.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/spi/atmel_spi.c') diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c index 79f01001318..aaf3eddae42 100644 --- a/drivers/spi/atmel_spi.c +++ b/drivers/spi/atmel_spi.c @@ -125,7 +125,7 @@ static int atmel_spi_claim_bus(struct udevice *dev) struct atmel_spi_priv *priv = dev_get_priv(bus); struct dm_spi_slave_plat *slave_plat = dev_get_parent_plat(dev); struct at91_spi *reg_base = bus_plat->regs; - u32 cs = slave_plat->cs; + u32 cs = slave_plat->cs[0]; u32 freq = priv->freq; u32 scbr, csrx, mode; @@ -174,7 +174,7 @@ static void atmel_spi_cs_activate(struct udevice *dev) struct udevice *bus = dev_get_parent(dev); struct atmel_spi_priv *priv = dev_get_priv(bus); struct dm_spi_slave_plat *slave_plat = dev_get_parent_plat(dev); - u32 cs = slave_plat->cs; + u32 cs = slave_plat->cs[0]; if (!dm_gpio_is_valid(&priv->cs_gpios[cs])) return; @@ -189,7 +189,7 @@ static void atmel_spi_cs_deactivate(struct udevice *dev) struct udevice *bus = dev_get_parent(dev); struct atmel_spi_priv *priv = dev_get_priv(bus); struct dm_spi_slave_plat *slave_plat = dev_get_parent_plat(dev); - u32 cs = slave_plat->cs; + u32 cs = slave_plat->cs[0]; if (!dm_gpio_is_valid(&priv->cs_gpios[cs])) return; -- cgit v1.2.3