On Mon, May 14, 2018 at 1:57 PM, Maxime Ripard
<maxime.ripard@xxxxxxxxxxx> wrote:
> On Mon, May 14, 2018 at 01:34:56PM +0530, Jagan Teki wrote:
>> On Mon, May 14, 2018 at 1:27 PM, Maxime Ripard
>> <maxime.ripard@xxxxxxxxxxx> wrote:
>> > Hi,
>> >
>> > On Mon, May 14, 2018 at 12:37:49PM +0530, Jagan Teki wrote:
>> >> Hi Maxime and All,
>> >>
>> >> We are trying to bring-up AP6330 Wifi chip for A64 board. We noticed
>> >> to have an external rtc clock has driven from wifi chip.
>> >>
>> >> So the devicetree is configured according to this as below.
>> >>
>> >> / {
>> >> wifi_pwrseq: wifi-pwrseq {
>> >> compatible = "mmc-pwrseq-simple";
>> >> clocks = <&rtc 1>;
>> >> clock-names = "ext_clock";
>> >> reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */
>> >> post-power-on-delay-ms = <400>;
>> >> };
>> >> };
>> >>
>> >> &rtc {
>> >> clock-output-names = "rtc-osc32k", "rtc-osc32k-out";
>> >> clocks = <&osc32k>;
>> >> #clock-cells = <1>;
>> >> };
>> >>
>> >> &mmc1 {
>> >> pinctrl-names = "default";
>> >> pinctrl-0 = <&mmc1_pins>;
>> >> vmmc-supply = <®_dcdc1>;
>> >> vqmmc-supply = <®_eldo1>;
>> >> mmc-pwrseq = <&wifi_pwrseq>;
>> >> bus-width = <4>;
>> >> non-removable;
>> >> status = "okay";
>> >>
>> >> brcmf: wifi@1 {
>> >> reg = <1>;
>> >> compatible = "brcm,bcm4329-fmac";
>> >> interrupt-parent = <&r_pio>;
>> >> interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* WL-WAKE-AP: PL3 */
>> >> interrupt-names = "host-wake";
>> >> };
>> >> };
>> >>
>> >> And observed rtc-osc32k-out clock is never enabled[1] and the value of
>> >> LOSC_OUT_GATING is 0x0 which eventually not enabling
>> >> LOSC_OUT_GATING_EN
>> >>
>> >> Pls. let us know if we miss anything here?
>> >>
>> >> [1] https://paste.ubuntu.com/p/X2By4q8kD2/
>> >
>> > Could you paste your config and the logs from a boot to?
>>
>> .config
>> https://paste.ubuntu.com/p/w9w2KB7RFc/
>>
>> dmesg
>> https://paste.ubuntu.com/p/mrZGk5bWRR/
>
> This is kind of weird. Have you tested with a 4.17 kernel? We have
> runtime_pm changes lined up in next, so that might be a regression
> there, even though we tested it with Quentin at some point.
This is 4.17-rc4 do you want to try it on 4.16 ?
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