Re: omap_hsmmc: sdio: issue with generic wakeup IRQ handling

[Grygorii Strashko <grygorii.strashko@ti.com>]

On 02/25/2016 01:18 PM, Vishal Thanki wrote:

[...]

>>
>> Suspend or Runtime suspend?
>
> The it is the runtime suspend routine for omap_hsmmc.c
>
> 	mmc1_pins: pinmux_mmc1_pins {
> 		pinctrl-single,pins = <
> 			0x0fc 0x38	/* MMC0_DAT0 */
> 			0x0f8 0x38	/* MMC0_DAT1 */
> 			0x0f4 0x38	/* MMC0_DAT2 */
> 			0x0f0 0x38	/* MMC0_DAT3 */
> 			0x100 0x38	/* MMC0_CLK */
> 			0x104 0x38	/* MMC0_CMD */
> 			0x88  0x07	/* GPMC_CSN3 -> GPIO2_0 */
> 		>;
> 	};
>
> 	mmc1_sleep_pins: pinmux_mmc1_sleep_pins {
> 		pinctrl-single,pins = <
> 			0x0fc 0x3f	/* MMC0_DAT0 */
> 			0x0f8 0x3f	/* MMC0_DAT1 */
> 			0x0f4 0x3f	/* MMC0_DAT2 */
> 			0x0f0 0x3f	/* MMC0_DAT3 */
> 			0x100 0x3f	/* MMC0_CLK */
> 			0x104 0x3f	/* MMC0_CMD */
> 			0x88  0x17	/* GPMC_CSN3 -> GPIO2_0 PULL UP */
> 		>;
> 	};
>
> 	mmc1_cirq_pin: pinmux_cirq_pin {
> 		pinctrl-single,pins = <
> 			0x0f8 0x3f	/* MMC0_DAT1 as GPIO2_28 */
> 		>;
> 	};
>
> 	wlan0_pwrseq: pwrseq {
> 		compatible = "mmc-pwrseq-simple";
> 		reset-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;
> 		clocks = <&clk_32768_ck>;
> 		clock-names = "ext_clock";
> 	};
>
> &mmc1 {
> 	status = "okay";
> 	pinctrl-names = "default", "idle", "sleep";
> 	pinctrl-0 = <&mmc1_pins>;
> 	pinctrl-1 = <&mmc1_cirq_pin>;
> 	pinctrl-2 = <&mmc1_sleep_pins>;
> 	interrupts-extended = <&intc 64 &gpio2 28 0>;

^^ you can define IRQ type here

  &gpio2 28 IRQ_TYPE_LEVEL_LOW

> 	ti,non-removable;
> 	bus-width = <4>;
> 	vmmc-supply = <&ldo2_reg>;
> 	vmmc_aux-supply = <&vmmc>;
> 	keep-power-in-suspend;
> 	enable-sdio-wakeup;
> 	mmc-pwrseq = <&wlan0_pwrseq>;
> };
>
>
>>
>>>>
>>>
>>> Is there any other suggestion for mwifiex that I should try out? Or
>>> is there any way in omap_hsmmc to specify the wakeup interrupt
>>> type (IRQF_TRIGGER_LOW) while using generic wakeup IRQ
>>> mechanism. I could not find it, but I may be missing something.
>>
>> How your irqs defined in DT? Could you provide mmc+wifi nodes?
>
>
>
>>
>>

[..]

-- 
regards,
-grygorii