Hi Sourav,
On 10/22/2012 09:29 AM, Sourav Poddar wrote:
> Currently, omap4 keypad mux settings are done in the board file.
> Populate the mux settings in the dts file for the keypad to
> work via dt.
Have you changed the driver to handle properly the dependency with the
pinctrl and thus return EPROBE_DEFER if this is not ready?
Seb Guiriec has just sent a patch to do that for the omap-i2c driver
([PATCH] i2c: omap: adopt pinctrl support).
> Cc: Felipe Balbi <balbi@xxxxxx>
> Tested on omap4430 sdp with 3.7-rc1.
>
> Signed-off-by: Sourav Poddar <sourav.poddar@xxxxxx>
> ---
> arch/arm/boot/dts/omap4-sdp.dts | 26 ++++++++++++++++++++++++++
> 1 files changed, 26 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/boot/dts/omap4-sdp.dts b/arch/arm/boot/dts/omap4-sdp.dts
> index 5b7e04f..5efb059 100644
> --- a/arch/arm/boot/dts/omap4-sdp.dts
> +++ b/arch/arm/boot/dts/omap4-sdp.dts
> @@ -194,6 +194,27 @@
> 0xbc 0x100 /* abe_mcbsp2_fsx.abe_mcbsp2_fsx INPUT | MODE0 */
> >;
> };
> +
> + keypad_pins: pinmux_keypad_pins {
> + pinctrl-single,pins = <
> + 0x24 0x4119 /* gpmc_a18.kpd_row6 OMAP_PULL_ENA | OMAP_PULL_UP | OMAP_WAKEUP_EN | OMAP_MUX_MODE1 | OMAP_INPUT_EN */
> + 0x26 0x4119 /* gpmc_a19.kpd_row6 OMAP_PULL_ENA | OMAP_PULL_UP | OMAP_WAKEUP_EN | OMAP_MUX_MODE1 | OMAP_INPUT_EN */
> + 0x2c 0x4001 /* gpmc_a22.kpd_col6 OMAP_WAKEUP_EN | OMAP_MUX_MODE1 */
> + 0x2e 0x4001 /* gpmc_a23.kpd_col7 OMAP_WAKEUP_EN | OMAP_MUX_MODE1 */
> + 0x13c 0x4001 /* kpd_col0.kpd_col0 OMAP_WAKEUP_EN | OMAP_MUX_MODE1 */
> + 0x13e 0x4001 /* kpd_col1.kpd_col1 OMAP_WAKEUP_EN | OMAP_MUX_MODE1 */
> + 0x140 0x4001 /* kpd_col2.kpd_col2 OMAP_WAKEUP_EN | OMAP_MUX_MODE1 */
> + 0x142 0x10F /* kpd_col3.kpd_col3 OMAP_WAKEUP_EN | OMAP_MUX_MODE1 */
Alway use lower case for hexa value.
> + 0x144 0x4001 /* kpd_col4.kpd_col4 OMAP_WAKEUP_EN | OMAP_MUX_MODE1 */
> + 0x146 0x4001 /* kpd_col5.kpd_col5 OMAP_WAKEUP_EN | OMAP_MUX_MODE1 */
> + 0x148 0xc119 /* kpd_row0.kpd_row0 OMAP_PULL_ENA | OMAP_PULL_UP | OMAP_WAKEUP_EN | OMAP_MUX_MODE1 | OMAP_INPUT_EN */
> + 0x14a 0x4119 /* kpd_row1.kpd_row1 OMAP_PULL_ENA | OMAP_PULL_UP | OMAP_WAKEUP_EN | OMAP_MUX_MODE1 | OMAP_INPUT_EN */
> + 0x14c 0x4119 /* kpd_row2.kpd_row2 OMAP_PULL_ENA | OMAP_PULL_UP | OMAP_WAKEUP_EN | OMAP_MUX_MODE1 | OMAP_INPUT_EN */
> + 0x14e 0x4119 /* kpd_row3.kpd_row3 OMAP_PULL_ENA | OMAP_PULL_UP | OMAP_WAKEUP_EN | OMAP_MUX_MODE1 | OMAP_INPUT_EN */
> + 0x150 0x4119 /* kpd_row4.kpd_row4 OMAP_PULL_ENA | OMAP_PULL_UP | OMAP_WAKEUP_EN | OMAP_MUX_MODE1 | OMAP_INPUT_EN */
> + 0x152 0x4119 /* kpd_row5.kpd_row5 OMAP_PULL_ENA | OMAP_PULL_UP | OMAP_WAKEUP_EN | OMAP_MUX_MODE1 | OMAP_INPUT_EN */
> + >;
> + };
> };
>
> &i2c1 {
> @@ -406,3 +427,8 @@
> &mcbsp3 {
> status = "disabled";
> };
> +
> +&keypad {
> + pinctrl-names = "default";
> + pinctrl-0 = <&keypad_pins>;
> +};
Otherwise that looks good.
Thanks,
Benoit
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