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From: Neil Armstrong <narmstrong@baylibre.com>
To: Anand Moon <linux.amoon@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Kevin Hilman <khilman@baylibre.com>,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
	Jerome Brunet <jbrunet@baylibre.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-amlogic@lists.infradead.org
Subject: Re: [RFCv1 5/5] arm64/ARM: configs: Change CONFIG_PWM_MESON from m to y
Date: Mon, 7 Oct 2019 16:25:11 +0200	[thread overview]
Message-ID: <74ab98c7-0071-60e9-7613-56d15ad8c0ab@baylibre.com> (raw)
In-Reply-To: <20191007131649.1768-6-linux.amoon@gmail.com>

On 07/10/2019 15:16, Anand Moon wrote:
> Using microSD card we cannot get the mainline kernel to boot

What's the link with microSD card here ?

> using mainline u-boot it fails with below logs.
> Build PWM_MESSON as build-in solve the issue.
> 
> [    1.569240] meson-gx-mmc ffe05000.sd: Got CD GPIO
> [    1.599227] pwm-regulator regulator-vddcpu-a: Failed to get PWM: -517
> [    1.600605] pwm-regulator regulator-vddcpu-b: Failed to get PWM: -517
> [    1.607166] pwm-regulator regulator-vddcpu-a: Failed to get PWM: -517
> [    1.613273] pwm-regulator regulator-vddcpu-b: Failed to get PWM: -517
> [    1.619931] hctosys: unable to open rtc device (rtc0)
> 
> Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> Cc: Jerome Brunet <jbrunet@baylibre.com>
> Cc: Neil Armstrong <narmstrong@baylibre.com>
> Signed-off-by: Anand Moon <linux.amoon@gmail.com>
> ---
> Odroid N2 Schematics says "GPIOC_6 should not pulled low if GPIOC is not
> work as SDCARD"

Sorry, what's the link with the PWM build-in, and your case ?

This comment is linked to the comment in the datasheet:
""
If GPIOC is not work as SDIO port, please do not pull CARD_DET(GPIOC_6) low when system booting
up, to avoid romcode trying to boot from SD CARD.
""
Seems pretty explicit for me.

> Is their any other approch to help resolve this issue.
> 
> Boot log failed with cold boot:
> [0] https://pastebin.com/cEtWq2iX
> ---
>  arch/arm64/configs/defconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index c9a867ac32d4..72f6a7dca0d6 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -774,7 +774,7 @@ CONFIG_MPL3115=m
>  CONFIG_PWM=y
>  CONFIG_PWM_BCM2835=m
>  CONFIG_PWM_CROS_EC=m
> -CONFIG_PWM_MESON=m
> +CONFIG_PWM_MESON=y
>  CONFIG_PWM_RCAR=m
>  CONFIG_PWM_ROCKCHIP=y
>  CONFIG_PWM_SAMSUNG=y
> 

For these changes without the microSD fail description in the commit log :
Acked-by: Neil Armstrong <narmstrong@baylibre.com>

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  reply	other threads:[~2019-10-07 14:25 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-07 13:16 [RFCv1 0/5] Odroid N2 failes to boot using upstream kernel & u-boot Anand Moon
2019-10-07 13:16 ` [RFCv1 1/5] arm64: dts: meson: Add missing 5V_EN gpio signal for VCC5V regulator Anand Moon
2019-10-07 14:19   ` Neil Armstrong
2019-10-07 15:28     ` Anand Moon
2019-10-07 13:16 ` [RFCv1 2/5] arm64: dts: meson: Add missing pwm control gpio signal for pwm-regulator Anand Moon
2019-10-07 14:20   ` Neil Armstrong
2019-10-07 15:30     ` Anand Moon
2019-10-07 13:16 ` [RFCv1 3/5] arm64: dts: meson: Add missing regulator linked to VDDAO_3V3 regulator to FLASH_VDD Anand Moon
2019-10-07 14:20   ` Neil Armstrong
2019-10-07 15:53     ` Anand Moon
2019-10-07 13:16 ` [RFCv1 4/5] arm64: dts: meson: Add missing regulator linked to VCCV5 regulator to VDDIO_C/TF_IO Anand Moon
2019-10-07 14:21   ` Neil Armstrong
2019-10-07 15:54     ` Anand Moon
2019-10-07 13:16 ` [RFCv1 5/5] arm64/ARM: configs: Change CONFIG_PWM_MESON from m to y Anand Moon
2019-10-07 14:25   ` Neil Armstrong [this message]
2019-10-07 15:52     ` Anand Moon
2019-10-07 20:10   ` Martin Blumenstingl
2019-10-07 22:57     ` Kevin Hilman
2019-10-08 14:38       ` Anand Moon
2019-10-08 17:40         ` Martin Blumenstingl
2019-10-09  8:48           ` Anand Moon
2019-10-09 12:04             ` Jerome Brunet
2019-10-18 14:04               ` Anand Moon
2019-10-18 14:13                 ` Neil Armstrong
2019-10-18 15:21                   ` Anand Moon
2019-10-18 18:10                 ` Martin Blumenstingl
2019-10-21 14:11                   ` Anand Moon
2019-10-21 14:25                     ` Neil Armstrong
2019-10-21 15:41                       ` Anand Moon
2019-10-26 18:56                         ` Anand Moon
2019-10-24 20:20                     ` Martin Blumenstingl
2019-10-09 17:05             ` Martin Blumenstingl
2019-10-08  7:19     ` Anand Moon

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