diff options
| author | Stefan Agner <stefan.agner@toradex.com> | 2014-07-11 14:32:35 +0200 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2014-07-11 14:46:27 +0200 |
| commit | ce65db1a5727dbf6d0dafa44e77fe51980d1653f (patch) | |
| tree | f6e34c3381ebec71c6448041bbd6e6afd6d9e950 | |
| parent | b860b39f928ecc91985b6b8d4bc380f9eed978f9 (diff) | |
colibri_vf: enable CAN support
This enables CAN support for Colibri VFxx if CONFIG_CAN_FLEXCAN is
seleced. There is also an example how to make use of the transceiver
switch to enable the transceiver on demand (e.g. using a GPIO).
| -rw-r--r-- | arch/arm/mach-mvf/board-colibri_vf.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/arch/arm/mach-mvf/board-colibri_vf.c b/arch/arm/mach-mvf/board-colibri_vf.c index 83d0fe269513..8e5a84119dbc 100644 --- a/arch/arm/mach-mvf/board-colibri_vf.c +++ b/arch/arm/mach-mvf/board-colibri_vf.c @@ -82,12 +82,15 @@ static iomux_v3_cfg_t mvf600_pads[] = { /* set PTB20 as GPIO for sdhc card detecting */ MVF600_PAD42_PTB20__SDHC1_SW_CD, - /* I2C0: I2C_SDA/SCL on SODIMM pin 194/196 (e.g. RTC on carrier board) + /* + * I2C0: I2C_SDA/SCL on SODIMM pin 194/196 (e.g. RTC on carrier board) */ +#ifndef CONFIG_CAN_FLEXCAN /* primary pinmux */ MVF600_PAD36_PTB14__I2C0_SCL, MVF600_PAD37_PTB15__I2C0_SDA, +#endif -#if 0 /* optional secondary pinmux */ +#ifdef CONFIG_CAN_FLEXCAN /* optional secondary pinmux */ /* CAN0 */ MVF600_PAD36_PTB14__CAN0_RX, /* conflicts with MVF600_PAD36_PTB14__I2C0_SCL */ @@ -700,7 +703,18 @@ static void mvf_power_off(void) mvf_cpu_lp_set(STOP_MODE); } -/*! +#ifdef CONFIG_CAN_FLEXCAN +static void can0_enable_switch(int enable) +{ + printk("Enable CAN0 transceiver\n"); +} + +static struct flexcan_platform_data can0_pdata __initdata = { + .transceiver_switch = &can0_enable_switch, +}; +#endif + +/* * Board specific initialization. */ static void __init mvf_board_init(void) @@ -748,6 +762,11 @@ static void __init mvf_board_init(void) mvf_add_mxc_pwm(3); mvf_add_pwm_leds(&tegra_leds_pwm_data); +#ifdef CONFIG_CAN_FLEXCAN + mvf_add_flexcan0(&can0_pdata); + mvf_add_flexcan1(NULL); +#endif + imx_asrc_data.asrc_core_clk = clk_get(NULL, "asrc_clk"); imx_asrc_data.asrc_audio_clk = clk_get(NULL, "asrc_serial_clk"); mvf_add_asrc(&imx_asrc_data); |