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From: Chukun Pan <amadeus@jmu.edu.cn>
To: robin.murphy@arm.com
Cc: linux.amoon@gmail.com, heiko@sntech.de, robh+dt@kernel.org,
	michael.riesch@wolfvision.net, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	Chukun Pan <amadeus@jmu.edu.cn>
Subject: Re: [PATCH-next v1] arm64: dts: rockchip: Enable NVM Express PCIe controller on rock3a
Date: Wed, 28 Sep 2022 18:05:20 +0800	[thread overview]
Message-ID: <20220928100520.3886-1-amadeus@jmu.edu.cn> (raw)
In-Reply-To: <e75cc292-ff7a-0daa-e2f9-fde376b5e26e@arm.com>

Hi,

On 27-09-22, 18:47, Robin Murphy wrote:

> (as a side note, is pcie2x1's vpcie3v3-supply as queued in -next 
> actually correct? AFAICS the other socket is effectively powered 
> straight from VCC3V3_SYS so shouldn't have needed VCC3V3_PCIE,
> but at least it's there now ready for this one)

Thanks for the correction, I didn't notice this before. You are right,
the supply of pcie2x1 comes from VCC3V3_SYS. But if we change supply
of pcie2x1 to VCC3V3_SYS, it will cause pcie30phy to fail to initialize
normally. The error is the same as the following:

> phy phy-fe8c0000.phy.4: rockchip_p3phy_rk3568_init: lock
> failed 0x6890000, check input refclk and power supply
> phy phy-fe8c0000.phy.4: phy init failed --> -110
> rockchip-dw-pcie: probe of 3c0800000.pcie failed with error -110

If both vpcie3v3-supply of pcie2x1 and pcie3x2 use VCC3V3_PCIE like
the vendor kernel, they can initialized normally.

Thanks,
Chukun

-- 
2.25.1


WARNING: multiple messages have this Message-ID (diff)
From: Chukun Pan <amadeus@jmu.edu.cn>
To: robin.murphy@arm.com
Cc: linux.amoon@gmail.com, heiko@sntech.de, robh+dt@kernel.org,
	michael.riesch@wolfvision.net, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	Chukun Pan <amadeus@jmu.edu.cn>
Subject: Re: [PATCH-next v1] arm64: dts: rockchip: Enable NVM Express PCIe controller on rock3a
Date: Wed, 28 Sep 2022 18:05:20 +0800	[thread overview]
Message-ID: <20220928100520.3886-1-amadeus@jmu.edu.cn> (raw)
In-Reply-To: <e75cc292-ff7a-0daa-e2f9-fde376b5e26e@arm.com>

Hi,

On 27-09-22, 18:47, Robin Murphy wrote:

> (as a side note, is pcie2x1's vpcie3v3-supply as queued in -next 
> actually correct? AFAICS the other socket is effectively powered 
> straight from VCC3V3_SYS so shouldn't have needed VCC3V3_PCIE,
> but at least it's there now ready for this one)

Thanks for the correction, I didn't notice this before. You are right,
the supply of pcie2x1 comes from VCC3V3_SYS. But if we change supply
of pcie2x1 to VCC3V3_SYS, it will cause pcie30phy to fail to initialize
normally. The error is the same as the following:

> phy phy-fe8c0000.phy.4: rockchip_p3phy_rk3568_init: lock
> failed 0x6890000, check input refclk and power supply
> phy phy-fe8c0000.phy.4: phy init failed --> -110
> rockchip-dw-pcie: probe of 3c0800000.pcie failed with error -110

If both vpcie3v3-supply of pcie2x1 and pcie3x2 use VCC3V3_PCIE like
the vendor kernel, they can initialized normally.

Thanks,
Chukun

-- 
2.25.1


_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip

WARNING: multiple messages have this Message-ID (diff)
From: Chukun Pan <amadeus@jmu.edu.cn>
To: robin.murphy@arm.com
Cc: linux.amoon@gmail.com, heiko@sntech.de, robh+dt@kernel.org,
	michael.riesch@wolfvision.net, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	Chukun Pan <amadeus@jmu.edu.cn>
Subject: Re: [PATCH-next v1] arm64: dts: rockchip: Enable NVM Express PCIe controller on rock3a
Date: Wed, 28 Sep 2022 18:05:20 +0800	[thread overview]
Message-ID: <20220928100520.3886-1-amadeus@jmu.edu.cn> (raw)
In-Reply-To: <e75cc292-ff7a-0daa-e2f9-fde376b5e26e@arm.com>

Hi,

On 27-09-22, 18:47, Robin Murphy wrote:

> (as a side note, is pcie2x1's vpcie3v3-supply as queued in -next 
> actually correct? AFAICS the other socket is effectively powered 
> straight from VCC3V3_SYS so shouldn't have needed VCC3V3_PCIE,
> but at least it's there now ready for this one)

Thanks for the correction, I didn't notice this before. You are right,
the supply of pcie2x1 comes from VCC3V3_SYS. But if we change supply
of pcie2x1 to VCC3V3_SYS, it will cause pcie30phy to fail to initialize
normally. The error is the same as the following:

> phy phy-fe8c0000.phy.4: rockchip_p3phy_rk3568_init: lock
> failed 0x6890000, check input refclk and power supply
> phy phy-fe8c0000.phy.4: phy init failed --> -110
> rockchip-dw-pcie: probe of 3c0800000.pcie failed with error -110

If both vpcie3v3-supply of pcie2x1 and pcie3x2 use VCC3V3_PCIE like
the vendor kernel, they can initialized normally.

Thanks,
Chukun

-- 
2.25.1


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2022-09-28 10:06 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-26  6:14 [PATCH-next v1] arm64: dts: rockchip: Enable NVM Express PCIe controller on rock3a Anand Moon
2022-09-26  6:14 ` Anand Moon
2022-09-26  6:14 ` Anand Moon
2022-09-26 18:00 ` Chukun Pan
2022-09-26 18:00   ` Chukun Pan
2022-09-26 18:00   ` Chukun Pan
2022-09-26 18:01   ` [PATCH 1/3] arm64: dts: rockchip: Add regulator suffix to rock-3a Chukun Pan
2022-09-26 18:01     ` Chukun Pan
2022-09-26 18:01     ` Chukun Pan
2022-09-27  5:42     ` Michael Riesch
2022-09-27  5:42       ` Michael Riesch
2022-09-27  5:42       ` Michael Riesch
2022-09-26 18:01   ` [PATCH 2/3] arm64: dts: rockchip: Rename pinctrl label of pcie2x1 on rock-3a Chukun Pan
2022-09-26 18:01     ` Chukun Pan
2022-09-26 18:01     ` Chukun Pan
2022-10-05  7:48     ` Heiko Stübner
2022-10-05  7:48       ` Heiko Stübner
2022-10-05  7:48       ` Heiko Stübner
2022-09-26 18:01   ` [PATCH 3/3] arm64: dts: rockchip: Add PCIe v3 nodes to rock-3a Chukun Pan
2022-09-26 18:01     ` Chukun Pan
2022-09-26 18:01     ` Chukun Pan
2022-09-27 13:46   ` [PATCH-next v1] arm64: dts: rockchip: Enable NVM Express PCIe controller on rock3a Anand Moon
2022-09-27 13:46     ` Anand Moon
2022-09-27 13:46     ` Anand Moon
2022-09-27 17:47     ` Robin Murphy
2022-09-27 17:47       ` Robin Murphy
2022-09-27 17:47       ` Robin Murphy
2022-09-28 10:05       ` Chukun Pan [this message]
2022-09-28 10:05         ` Chukun Pan
2022-09-28 10:05         ` Chukun Pan
2022-09-28 10:37         ` Robin Murphy
2022-09-28 10:37           ` Robin Murphy
2022-09-28 10:37           ` Robin Murphy
2022-09-27 18:15     ` Chukun Pan
2022-09-27 18:15       ` Chukun Pan
2022-09-27 18:15       ` Chukun Pan
2022-09-27 18:15       ` [PATCH 3/3] arm64: dts: rockchip: Add PCIe v3 nodes to rock-3a Chukun Pan
2022-09-27 18:15         ` Chukun Pan
2022-09-27 18:15         ` Chukun Pan
2022-09-28 11:04       ` [PATCH-next v1] arm64: dts: rockchip: Enable NVM Express PCIe controller on rock3a Anand Moon
2022-09-28 11:04         ` Anand Moon
2022-09-28 11:04         ` Anand Moon
2022-09-30 15:25         ` [PATCH 0/1] " Chukun Pan
2022-09-30 15:25           ` Chukun Pan
2022-09-30 15:25           ` Chukun Pan
2022-10-02 15:46           ` Anand Moon
2022-10-02 15:46             ` Anand Moon
2022-10-02 15:46             ` Anand Moon

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