CAN module on AM3517 requires programming of IO expander as part of init sequence. Added transceiver_switch callback to handle this.
Signed-off-by: Sriramakrishnan <[email protected]> Reviewed-by: Vaibhav Hiremath <[email protected]> Signed-off-by: Abhilash K V <[email protected]> --- arch/arm/mach-omap2/board-am3517evm.c | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c index 2e4aad2..782d72d 100644 --- a/arch/arm/mach-omap2/board-am3517evm.c +++ b/arch/arm/mach-omap2/board-am3517evm.c @@ -734,6 +734,23 @@ static struct omap_board_mux board_mux[] __initdata = { }; #endif +/* + * HECC information + */ + +#define CAN_STB 214 +static void hecc_phy_control(int on) +{ + int r; + + r = gpio_request(CAN_STB, "can_stb"); + if (r) { + printk(KERN_ERR "failed to get can_stb \n"); + return; + } + + gpio_direction_output(CAN_STB, (on==1)?0:1); +} static struct resource am3517_hecc_resources[] = { { @@ -762,6 +779,7 @@ static struct ti_hecc_platform_data am3517_evm_hecc_pdata = { .mbx_offset = AM35XX_HECC_MBOX_OFFSET, .int_line = AM35XX_HECC_INT_LINE, .version = AM35XX_HECC_VERSION, + .transceiver_switch = hecc_phy_control, }; static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata) -- 1.6.2.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
