]>
git.ipfire.org Git - people/ms/u-boot.git/blob - board/calao/sbc35_a9g20/spi.c
3 * Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com>
5 * SPDX-License-Identifier: GPL-2.0+
9 #include <asm/arch/hardware.h>
10 #include <asm/arch/at91_spi.h>
11 #include <asm/arch/gpio.h>
14 #define SBC_A9260_CS0_PIN AT91_PIN_PA3
15 #define SBC_A9260_CS1_PIN AT91_PIN_PC11
17 int spi_cs_is_valid(unsigned int bus
, unsigned int cs
)
19 return bus
== 0 && (cs
== 1 || cs
== 0);
22 void spi_cs_activate(struct spi_slave
*slave
)
25 at91_set_gpio_value(SBC_A9260_CS0_PIN
, 0);
26 else if(slave
->cs
== 1)
27 at91_set_gpio_value(SBC_A9260_CS1_PIN
, 0);
30 void spi_cs_deactivate(struct spi_slave
*slave
)
33 at91_set_gpio_value(SBC_A9260_CS0_PIN
, 1);
34 else if(slave
->cs
== 1)
35 at91_set_gpio_value(SBC_A9260_CS1_PIN
, 1);
40 /* everything done in board_init */