| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <1336461627-30315-2-git-send-email-eric@eukrea.com>
Date: Tue, 8 May 2012 09:20:17 +0200
From: Eric Bénard <eric@...rea.com>
To: Sascha Hauer <kernel@...gutronix.de>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Eric Bénard <eric@...rea.com>
Subject: [PATCH 02/12] ARM: imx: eukrea_mbimxsd25: add spi controler and spidev support
Signed-off-by: Eric Bénard <eric@...rea.com>
Cc: Sascha Hauer <kernel@...gutronix.de>
---
arch/arm/mach-imx/Kconfig | 1 +
arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c | 42 ++++++++++++++++++++++++
2 files changed, 43 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 7561eca..e102f8f 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -181,6 +181,7 @@ config MACH_EUKREA_MBIMXSD25_BASEBOARD
bool "Eukrea MBIMXSD development board"
select IMX_HAVE_PLATFORM_GPIO_KEYS
select IMX_HAVE_PLATFORM_IMX_SSI
+ select IMX_HAVE_PLATFORM_SPI_IMX
select LEDS_GPIO_REGISTER
help
This adds board specific devices that can be found on Eukrea's
diff --git a/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c b/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c
index 2cf603e..cafa109 100644
--- a/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c
+++ b/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c
@@ -23,6 +23,7 @@
#include <linux/leds.h>
#include <linux/platform_device.h>
#include <linux/input.h>
+#include <linux/spi/spi.h>
#include <video/platform_lcd.h>
#include <mach/hardware.h>
@@ -87,12 +88,22 @@ static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
/* CAN */
MX25_PAD_GPIO_D__CAN2_RX,
MX25_PAD_GPIO_C__CAN2_TX,
+ /* SPI1 */
+ MX25_PAD_CSPI1_MOSI__CSPI1_MOSI,
+ MX25_PAD_CSPI1_MISO__CSPI1_MISO,
+ MX25_PAD_CSPI1_SS0__GPIO_1_16,
+ MX25_PAD_CSPI1_SS1__GPIO_1_17,
+ MX25_PAD_CSPI1_SCLK__CSPI1_SCLK,
+ MX25_PAD_CSPI1_RDY__GPIO_2_22,
};
#define GPIO_LED1 83
#define GPIO_SWITCH1 82
#define GPIO_SD1CD 52
#define GPIO_LCDPWR 26
+#define GPIO_SPI1_SS0 IMX_GPIO_NR(1, 16)
+#define GPIO_SPI1_SS1 IMX_GPIO_NR(1, 17)
+#define GPIO_SPI1_IRQ IMX_GPIO_NR(2, 22)
static struct imx_fb_videomode eukrea_mximxsd_modes[] = {
{
@@ -228,6 +239,30 @@ static struct esdhc_platform_data sd1_pdata = {
.wp_type = ESDHC_WP_NONE,
};
+static struct spi_board_info eukrea_mbimxsd25_spi_board_info[] __initdata = {
+ {
+ .modalias = "spidev",
+ .max_speed_hz = 20000000,
+ .bus_num = 0,
+ .chip_select = 0,
+ .mode = SPI_MODE_0,
+ },
+ {
+ .modalias = "spidev",
+ .max_speed_hz = 20000000,
+ .bus_num = 0,
+ .chip_select = 1,
+ .mode = SPI_MODE_0,
+ },
+};
+
+static int eukrea_mbimxsd25_spi_cs[] = {GPIO_SPI1_SS0, GPIO_SPI1_SS1};
+
+static const struct spi_imx_master eukrea_mbimxsd25_spi0_data __initconst = {
+ .chipselect = eukrea_mbimxsd25_spi_cs,
+ .num_chipselect = ARRAY_SIZE(eukrea_mbimxsd25_spi_cs),
+};
+
/*
* system init for baseboard usage. Will be called by cpuimx25 init.
*
@@ -262,6 +297,13 @@ void __init eukrea_mbimxsd25_baseboard_init(void)
i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
+ gpio_request(GPIO_SPI1_IRQ, "SPI1_IRQ");
+ gpio_direction_input(GPIO_SPI1_IRQ);
+ gpio_free(GPIO_SPI1_IRQ);
+ imx25_add_spi_imx0(&eukrea_mbimxsd25_spi0_data);
+ spi_register_board_info(eukrea_mbimxsd25_spi_board_info,
+ ARRAY_SIZE(eukrea_mbimxsd25_spi_board_info));
+
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
gpio_led_register_device(-1, &eukrea_mbimxsd_led_info);
imx_add_gpio_keys(&eukrea_mbimxsd_button_data);
--
1.7.7.6
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists