From: claudiu beznea <claudiu.beznea@tuxon.dev>
To: Biju Das <biju.das.jz@bp.renesas.com>,
Ulf Hansson <ulf.hansson@linaro.org>
Cc: "vkoul@kernel.org" <vkoul@kernel.org>,
"kishon@kernel.org" <kishon@kernel.org>,
"robh@kernel.org" <robh@kernel.org>,
"krzk+dt@kernel.org" <krzk+dt@kernel.org>,
"conor+dt@kernel.org" <conor+dt@kernel.org>,
"p.zabel@pengutronix.de" <p.zabel@pengutronix.de>,
"geert+renesas@glider.be" <geert+renesas@glider.be>,
"magnus.damm@gmail.com" <magnus.damm@gmail.com>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"mturquette@baylibre.com" <mturquette@baylibre.com>,
"sboyd@kernel.org" <sboyd@kernel.org>,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
"linux-phy@lists.infradead.org" <linux-phy@lists.infradead.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-renesas-soc@vger.kernel.org"
<linux-renesas-soc@vger.kernel.org>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-clk@vger.kernel.org" <linux-clk@vger.kernel.org>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Subject: Re: [PATCH 00/16] Add initial USB support for the Renesas RZ/G3S SoC
Date: Tue, 3 Sep 2024 14:00:11 +0300 [thread overview]
Message-ID: <f7c57e76-b890-491f-880d-62d060b7b31e@tuxon.dev> (raw)
In-Reply-To: <TYCPR01MB11332EF1A8D064C491D8F261286932@TYCPR01MB11332.jpnprd01.prod.outlook.com>
On 03.09.2024 13:31, Biju Das wrote:
>>> During boot clr USB PWR READY signal in TF-A.
>>> STR case, suspend set USB PWR READY signal in TF-A.
>>> STR case, resume clr USB PWR READY signal in TF-A.
>> As I said previously, it can be done in different ways. My point was to let Linux set what it needs
>> for all it's devices to work. I think the way to go forward is a maintainer decision.
>
> I agree, there can be n number of solution for a problem.
>
> Since you modelled system state signal (USB PWRRDY) as reset control signal, it is reset/DT maintainer's decision
> to say the final word whether this signal fits in reset system framework or not?
I was thinking:
1/ Geert would be the best to say if he considers it OK to handle this
in Linux
2/ if OK, then we should get approval from Ulf and Philipp on the power
domain or reset approaches
Thank you,
Claudiu Beznea
>
> Cheers,
> biju
WARNING: multiple messages have this Message-ID (diff)
From: claudiu beznea <claudiu.beznea@tuxon.dev>
To: Biju Das <biju.das.jz@bp.renesas.com>,
Ulf Hansson <ulf.hansson@linaro.org>
Cc: "vkoul@kernel.org" <vkoul@kernel.org>,
"kishon@kernel.org" <kishon@kernel.org>,
"robh@kernel.org" <robh@kernel.org>,
"krzk+dt@kernel.org" <krzk+dt@kernel.org>,
"conor+dt@kernel.org" <conor+dt@kernel.org>,
"p.zabel@pengutronix.de" <p.zabel@pengutronix.de>,
"geert+renesas@glider.be" <geert+renesas@glider.be>,
"magnus.damm@gmail.com" <magnus.damm@gmail.com>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"mturquette@baylibre.com" <mturquette@baylibre.com>,
"sboyd@kernel.org" <sboyd@kernel.org>,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
"linux-phy@lists.infradead.org" <linux-phy@lists.infradead.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-renesas-soc@vger.kernel.org"
<linux-renesas-soc@vger.kernel.org>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-clk@vger.kernel.org" <linux-clk@vger.kernel.org>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Subject: Re: [PATCH 00/16] Add initial USB support for the Renesas RZ/G3S SoC
Date: Tue, 3 Sep 2024 14:00:11 +0300 [thread overview]
Message-ID: <f7c57e76-b890-491f-880d-62d060b7b31e@tuxon.dev> (raw)
In-Reply-To: <TYCPR01MB11332EF1A8D064C491D8F261286932@TYCPR01MB11332.jpnprd01.prod.outlook.com>
On 03.09.2024 13:31, Biju Das wrote:
>>> During boot clr USB PWR READY signal in TF-A.
>>> STR case, suspend set USB PWR READY signal in TF-A.
>>> STR case, resume clr USB PWR READY signal in TF-A.
>> As I said previously, it can be done in different ways. My point was to let Linux set what it needs
>> for all it's devices to work. I think the way to go forward is a maintainer decision.
>
> I agree, there can be n number of solution for a problem.
>
> Since you modelled system state signal (USB PWRRDY) as reset control signal, it is reset/DT maintainer's decision
> to say the final word whether this signal fits in reset system framework or not?
I was thinking:
1/ Geert would be the best to say if he considers it OK to handle this
in Linux
2/ if OK, then we should get approval from Ulf and Philipp on the power
domain or reset approaches
Thank you,
Claudiu Beznea
>
> Cheers,
> biju
--
linux-phy mailing list
linux-phy@lists.infradead.org
https://lists.infradead.org/mailman/listinfo/linux-phy
next prev parent reply other threads:[~2024-09-03 11:00 UTC|newest]
Thread overview: 196+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-22 15:27 [PATCH 00/16] Add initial USB support for the Renesas RZ/G3S SoC Claudiu
2024-08-22 15:27 ` Claudiu
2024-08-22 15:27 ` [PATCH 01/16] clk: renesas: r9a08g045: Add clocks, resets and power domains for USB Claudiu
2024-08-22 15:27 ` Claudiu
2024-08-29 12:35 ` Geert Uytterhoeven
2024-08-29 12:35 ` Geert Uytterhoeven
2024-08-22 15:27 ` [PATCH 02/16] dt-bindings: soc: renesas: renesas,rzg2l-sysc: Add #reset-cells for RZ/G3S Claudiu
2024-08-22 15:27 ` Claudiu
2024-08-22 16:42 ` Conor Dooley
2024-08-22 16:42 ` Conor Dooley
2024-08-22 16:44 ` Conor Dooley
2024-08-22 16:44 ` Conor Dooley
2024-08-23 7:59 ` claudiu beznea
2024-08-23 7:59 ` claudiu beznea
2024-08-23 7:54 ` claudiu beznea
2024-08-23 7:54 ` claudiu beznea
2024-08-23 16:18 ` Conor Dooley
2024-08-23 16:18 ` Conor Dooley
2024-08-23 16:26 ` claudiu beznea
2024-08-23 16:26 ` claudiu beznea
2024-08-23 16:33 ` Conor Dooley
2024-08-23 16:33 ` Conor Dooley
2024-08-26 10:15 ` claudiu beznea
2024-08-26 10:15 ` claudiu beznea
2024-08-26 17:09 ` Conor Dooley
2024-08-26 17:09 ` Conor Dooley
2024-10-08 13:24 ` Geert Uytterhoeven
2024-10-08 13:24 ` Geert Uytterhoeven
2024-08-22 15:27 ` [PATCH 03/16] dt-bindings: reset: renesas,r9a08g045-sysc: Add reset IDs for RZ/G3S SYSC reset Claudiu
2024-08-22 15:27 ` Claudiu
2024-08-22 16:45 ` Conor Dooley
2024-08-22 16:45 ` Conor Dooley
2024-10-08 13:25 ` Geert Uytterhoeven
2024-10-08 13:25 ` Geert Uytterhoeven
2024-08-22 15:27 ` [PATCH 04/16] soc: renesas: Add SYSC driver for Renesas RZ/G3S Claudiu
2024-08-22 15:27 ` Claudiu
2024-09-24 11:32 ` Geert Uytterhoeven
2024-09-24 11:32 ` Geert Uytterhoeven
2024-09-25 7:50 ` claudiu beznea
2024-09-25 7:50 ` claudiu beznea
2024-10-08 13:54 ` Geert Uytterhoeven
2024-10-08 13:54 ` Geert Uytterhoeven
2024-08-22 15:27 ` [PATCH 05/16] soc: renesas: sysc: Move RZ/G3S SoC detection on SYSC driver Claudiu
2024-08-22 15:27 ` Claudiu
2024-10-08 13:23 ` Geert Uytterhoeven
2024-10-08 13:23 ` Geert Uytterhoeven
2024-10-09 8:26 ` claudiu beznea
2024-10-09 8:26 ` claudiu beznea
2024-08-22 15:27 ` [PATCH 06/16] dt-bindings: reset: renesas,rzg2l-usbphy-ctrl: Document RZ/G3S SoC Claudiu
2024-08-22 15:27 ` Claudiu
2024-08-22 16:45 ` Conor Dooley
2024-08-22 16:45 ` Conor Dooley
2024-10-08 14:46 ` Geert Uytterhoeven
2024-10-08 14:46 ` Geert Uytterhoeven
2024-08-22 15:27 ` [PATCH 07/16] reset: rzg2l-usbphy-ctrl: Get reset control array Claudiu
2024-08-22 15:27 ` Claudiu
2024-08-23 7:25 ` Biju Das
2024-08-23 7:25 ` Biju Das
2024-08-23 8:05 ` claudiu beznea
2024-08-23 8:05 ` claudiu beznea
2024-08-23 8:17 ` Biju Das
2024-08-23 8:17 ` Biju Das
2024-10-08 14:46 ` Geert Uytterhoeven
2024-10-08 14:46 ` Geert Uytterhoeven
2024-08-22 15:27 ` [PATCH 08/16] reset: rzg2l-usbphy-ctrl: Add support for RZ/G3S Claudiu
2024-08-22 15:27 ` Claudiu
2024-08-22 16:59 ` Biju Das
2024-08-22 16:59 ` Biju Das
2024-08-23 8:40 ` claudiu beznea
2024-08-23 8:40 ` claudiu beznea
2024-08-23 8:46 ` Biju Das
2024-08-23 8:46 ` Biju Das
2024-10-08 14:47 ` Geert Uytterhoeven
2024-10-08 14:47 ` Geert Uytterhoeven
2024-08-22 15:27 ` [PATCH 09/16] dt-bindings: usb: renesas,usbhs: Document RZ/G3S SoC Claudiu
2024-08-22 15:27 ` Claudiu
2024-08-22 16:46 ` Conor Dooley
2024-08-22 16:46 ` Conor Dooley
2024-10-08 14:51 ` Geert Uytterhoeven
2024-10-08 14:51 ` Geert Uytterhoeven
2024-10-09 8:28 ` claudiu beznea
2024-10-09 8:28 ` claudiu beznea
2024-08-22 15:27 ` [PATCH 10/16] phy: renesas: rcar-gen3-usb2: Add support to initialize the bus Claudiu
2024-08-22 15:27 ` Claudiu
2024-08-23 7:35 ` Biju Das
2024-08-23 7:35 ` Biju Das
2024-08-23 8:57 ` claudiu beznea
2024-08-23 8:57 ` claudiu beznea
2024-08-23 9:01 ` Biju Das
2024-08-23 9:01 ` Biju Das
2024-08-30 8:02 ` Vinod Koul
2024-08-30 8:02 ` Vinod Koul
2024-08-30 8:06 ` Biju Das
2024-08-30 8:06 ` Biju Das
2024-10-08 14:57 ` Geert Uytterhoeven
2024-10-08 14:57 ` Geert Uytterhoeven
2024-10-09 8:31 ` claudiu beznea
2024-10-09 8:31 ` claudiu beznea
2024-08-22 15:27 ` [PATCH 11/16] dt-bindings: phy: renesas,usb2-phy: Document RZ/G3S phy bindings Claudiu
2024-08-22 15:27 ` Claudiu
2024-08-22 16:46 ` Conor Dooley
2024-08-22 16:46 ` Conor Dooley
2024-10-08 14:58 ` Geert Uytterhoeven
2024-10-08 14:58 ` Geert Uytterhoeven
2024-08-22 15:27 ` [PATCH 12/16] phy: renesas: rcar-gen3-usb2: Add support for the RZ/G3S SoC Claudiu
2024-08-22 15:27 ` Claudiu
2024-10-08 14:59 ` Geert Uytterhoeven
2024-10-08 14:59 ` Geert Uytterhoeven
2024-08-22 15:27 ` [PATCH 13/16] arm64: dts: renesas: Add #reset-cells to system controller node Claudiu
2024-08-22 15:27 ` Claudiu
2024-10-08 14:59 ` Geert Uytterhoeven
2024-10-08 14:59 ` Geert Uytterhoeven
2024-08-22 15:27 ` [PATCH 14/16] arm64: dts: renesas: r9a08g045: Add USB support Claudiu
2024-08-22 15:27 ` Claudiu
2024-10-08 15:00 ` Geert Uytterhoeven
2024-10-08 15:00 ` Geert Uytterhoeven
2024-08-22 15:28 ` [PATCH 15/16] arm64: dts: renesas: rzg3s-smarc: Enable " Claudiu
2024-08-22 15:28 ` Claudiu
2024-10-08 15:16 ` Geert Uytterhoeven
2024-10-08 15:16 ` Geert Uytterhoeven
2024-10-09 8:42 ` claudiu beznea
2024-10-09 8:42 ` claudiu beznea
2024-08-22 15:28 ` [PATCH 16/16] arm64: defconfig: Enable RZ/G3S SYSC reset driver Claudiu
2024-08-22 15:28 ` Claudiu
2024-10-08 15:17 ` Geert Uytterhoeven
2024-10-08 15:17 ` Geert Uytterhoeven
2024-08-29 15:26 ` [PATCH 00/16] Add initial USB support for the Renesas RZ/G3S SoC Ulf Hansson
2024-08-29 15:26 ` Ulf Hansson
2024-08-30 8:22 ` claudiu beznea
2024-08-30 8:22 ` claudiu beznea
2024-08-30 10:14 ` Ulf Hansson
2024-08-30 10:14 ` Ulf Hansson
2024-08-30 11:32 ` claudiu beznea
2024-08-30 11:32 ` claudiu beznea
2024-08-31 10:32 ` Ulf Hansson
2024-08-31 10:32 ` Ulf Hansson
2024-09-03 10:35 ` Ulf Hansson
2024-09-03 10:35 ` Ulf Hansson
2024-09-03 10:58 ` claudiu beznea
2024-09-03 10:58 ` claudiu beznea
2024-09-03 11:50 ` Ulf Hansson
2024-09-03 11:50 ` Ulf Hansson
2024-08-31 5:13 ` Biju Das
2024-08-31 5:13 ` Biju Das
2024-09-02 7:54 ` Biju Das
2024-09-02 7:54 ` Biju Das
2024-09-02 8:47 ` claudiu beznea
2024-09-02 8:47 ` claudiu beznea
2024-09-02 8:53 ` Biju Das
2024-09-02 8:53 ` Biju Das
2024-09-02 9:14 ` claudiu beznea
2024-09-02 9:14 ` claudiu beznea
2024-09-02 9:18 ` Biju Das
2024-09-02 9:18 ` Biju Das
2024-09-02 10:40 ` claudiu beznea
2024-09-02 10:40 ` claudiu beznea
2024-09-02 10:47 ` Biju Das
2024-09-02 10:47 ` Biju Das
2024-09-03 7:18 ` Biju Das
2024-09-03 7:18 ` Biju Das
2024-09-03 10:25 ` claudiu beznea
2024-09-03 10:25 ` claudiu beznea
2024-09-03 10:31 ` Biju Das
2024-09-03 10:31 ` Biju Das
2024-09-03 11:00 ` claudiu beznea [this message]
2024-09-03 11:00 ` claudiu beznea
2024-09-03 11:07 ` Biju Das
2024-09-03 11:07 ` Biju Das
2024-09-03 12:00 ` Biju Das
2024-09-03 12:00 ` Biju Das
2024-09-03 12:25 ` claudiu beznea
2024-09-03 12:25 ` claudiu beznea
2024-09-03 12:37 ` Biju Das
2024-09-03 12:37 ` Biju Das
2024-09-03 12:57 ` claudiu beznea
2024-09-03 12:57 ` claudiu beznea
2024-09-03 13:09 ` Biju Das
2024-09-03 13:09 ` Biju Das
2024-09-03 14:46 ` claudiu beznea
2024-09-03 14:46 ` claudiu beznea
2024-09-03 15:30 ` Biju Das
2024-09-03 15:30 ` Biju Das
2024-09-03 13:45 ` Biju Das
2024-09-03 13:45 ` Biju Das
2024-09-03 14:48 ` claudiu beznea
2024-09-03 14:48 ` claudiu beznea
2024-11-07 10:00 ` Claudiu Beznea
2024-11-07 10:00 ` Claudiu Beznea
2024-11-07 16:22 ` Philipp Zabel
2024-11-07 16:22 ` Philipp Zabel
2024-09-03 10:19 ` claudiu beznea
2024-09-03 10:19 ` claudiu beznea
2024-09-02 8:28 ` claudiu beznea
2024-09-02 8:28 ` claudiu beznea
2024-08-30 8:10 ` (subset) " Vinod Koul
2024-08-30 8:10 ` Vinod Koul
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