Sricharan wrote:
> Use the mux framework to initialise the serial pads.
>
> Signed-off-by: sricharan <r.sricharan@xxxxxx>
> ---
> arch/arm/mach-omap2/board-omap4panda.c | 72
+++++++++++++++++++++++++++++++-
> 1 files changed, 71 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-omap4panda.c
> b/arch/arm/mach-omap2/board-omap4panda.c
> index b43e3ff..9688ea9 100644
> --- a/arch/arm/mach-omap2/board-omap4panda.c
> +++ b/arch/arm/mach-omap2/board-omap4panda.c
> @@ -370,13 +370,83 @@ static int __init omap4_panda_i2c_init(void)
> omap_register_i2c_bus(4, 400, NULL, 0);
> return 0;
> }
> -
> #ifdef CONFIG_OMAP_MUX
> static struct omap_board_mux board_mux[] __initdata = {
> { .reg_offset = OMAP_MUX_TERMINATOR },
> };
> +
> +static struct omap_device_pad serial2_pads[] __initdata = {
> + { .name = "uart2_cts.uart2_cts",
> + .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0,
> + .flags = OMAP_DEVICE_PAD_REMUX_IDLE,
> + .idle = OMAP_MUX_MODE7,
> + },
> + { .name = "uart2_rts.uart2_rts",
> + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0,
> + },
> + { .name = "uart2_rx.uart2_rx",
> + .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0,
> + },
> + { .name = "uart2_tx.uart2_tx",
> + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0,
> + },
> +};
> +
> +static struct omap_device_pad serial3_pads[] __initdata = {
> + { .name = "uart3_cts_rctx.uart3_cts_rctx",
> + .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0,
> + },
> + { .name = "uart3_rts_sd.uart3_rts_sd",
> + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0,
> + },
> + { .name = "uart3_rx_irrx.uart3_rx_irrx",
> + .enable = OMAP_PIN_INPUT | OMAP_MUX_MODE0,
> + },
> + { .name = "uart3_tx_irtx.uart3_tx_irtx",
> + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0,
> + },
> +};
> +
> +static struct omap_device_pad serial4_pads[] __initdata = {
> + { .name = "uart4_rx.uart4_rx",
> + .enable = OMAP_PIN_INPUT | OMAP_MUX_MODE0,
> + },
> + { .name = "uart4_tx.uart4_tx",
> + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0,
> + },
> +};
> +
> +static struct omap_board_data serial2_data = {
> + .id = 1,
> + .pads = serial2_pads,
> + .pads_cnt = ARRAY_SIZE(serial2_pads),
> +};
> +
> +static struct omap_board_data serial3_data = {
> + .id = 2,
> + .pads = serial3_pads,
> + .pads_cnt = ARRAY_SIZE(serial3_pads),
> +};
> +
> +static struct omap_board_data serial4_data = {
> + .id = 3,
> + .pads = serial4_pads,
> + .pads_cnt = ARRAY_SIZE(serial4_pads),
> +};
> +
> +static inline void board_serial_init(void)
> +{
> + omap_serial_init_port(&serial2_data);
> + omap_serial_init_port(&serial3_data);
> + omap_serial_init_port(&serial4_data);
> +}
> #else
> #define board_mux NULL
> +
> +static inline void board_serial_init(void)
> +{
> + omap_serial_init();
> +}
> #endif
>
> static void __init omap4_panda_init(void)
You are changing the behavior with this patch.
Original code configured all 4 UARTs, while it
appears that your patch changes this to skip UART1.
This is not explained in the changelog. Is this
a deliberate change? Why would you want to do this?
- Anand
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
