From: Jagan Teki <jagan@amarulasolutions.com>
To: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Chen-Yu Tsai <wens@csie.org>,
Michael Trimarchi <michael@amarulasolutions.com>,
linux-sunxi <linux-sunxi@googlegroups.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
devicetree <devicetree@vger.kernel.org>
Subject: Re: Allwinner A64: Issue on external rtc clock to wifi chip
Date: Mon, 14 May 2018 13:34:56 +0530 [thread overview]
Message-ID: <CAMty3ZDew=+zytKUx5+nX27CjCe0UfJpyYOy2s07NoJvbe57mQ@mail.gmail.com> (raw)
In-Reply-To: <20180514075727.uxggyhmbahvhestx@flea>
On Mon, May 14, 2018 at 1:27 PM, Maxime Ripard
<maxime.ripard@bootlin.com> 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/
WARNING: multiple messages have this Message-ID (diff)
From: Jagan Teki <jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>
To: Maxime Ripard <maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>
Cc: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>,
Michael Trimarchi
<michael-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>,
linux-sunxi <linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>,
linux-kernel
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-arm-kernel
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: Allwinner A64: Issue on external rtc clock to wifi chip
Date: Mon, 14 May 2018 13:34:56 +0530 [thread overview]
Message-ID: <CAMty3ZDew=+zytKUx5+nX27CjCe0UfJpyYOy2s07NoJvbe57mQ@mail.gmail.com> (raw)
In-Reply-To: <20180514075727.uxggyhmbahvhestx@flea>
On Mon, May 14, 2018 at 1:27 PM, Maxime Ripard
<maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org> 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/
WARNING: multiple messages have this Message-ID (diff)
From: jagan@amarulasolutions.com (Jagan Teki)
To: linux-arm-kernel@lists.infradead.org
Subject: Allwinner A64: Issue on external rtc clock to wifi chip
Date: Mon, 14 May 2018 13:34:56 +0530 [thread overview]
Message-ID: <CAMty3ZDew=+zytKUx5+nX27CjCe0UfJpyYOy2s07NoJvbe57mQ@mail.gmail.com> (raw)
In-Reply-To: <20180514075727.uxggyhmbahvhestx@flea>
On Mon, May 14, 2018 at 1:27 PM, Maxime Ripard
<maxime.ripard@bootlin.com> 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 at 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/
next prev parent reply other threads:[~2018-05-14 8:05 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-14 7:07 Allwinner A64: Issue on external rtc clock to wifi chip Jagan Teki
2018-05-14 7:07 ` Jagan Teki
2018-05-14 7:07 ` Jagan Teki
2018-05-14 7:57 ` Maxime Ripard
2018-05-14 7:57 ` Maxime Ripard
2018-05-14 7:57 ` Maxime Ripard
2018-05-14 8:04 ` Jagan Teki [this message]
2018-05-14 8:04 ` Jagan Teki
2018-05-14 8:04 ` Jagan Teki
2018-05-14 8:27 ` Maxime Ripard
2018-05-14 8:27 ` Maxime Ripard
2018-05-14 8:27 ` Maxime Ripard
2018-05-14 9:04 ` Jagan Teki
2018-05-14 9:04 ` Jagan Teki
2018-05-14 9:04 ` Jagan Teki
2018-05-14 9:06 ` Maxime Ripard
2018-05-14 9:06 ` Maxime Ripard
2018-05-14 9:06 ` Maxime Ripard
2018-05-14 9:42 ` Jagan Teki
2018-05-14 9:42 ` Jagan Teki
2018-05-14 9:42 ` Jagan Teki
2018-05-14 11:17 ` Maxime Ripard
2018-05-14 11:17 ` Maxime Ripard
2018-05-14 11:17 ` Maxime Ripard
2018-05-28 7:08 ` Michael Nazzareno Trimarchi
2018-05-28 7:08 ` Michael Nazzareno Trimarchi
2018-05-28 7:08 ` Michael Nazzareno Trimarchi
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