From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 40EFECF6495 for ; Sat, 28 Sep 2024 12:14:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=5HDRGQV1bZ2oV3BSdOOp5xXEcOhmY9cmsqq2vV+97EQ=; b=ua+P1t1kH57ktc7D/P6JPJLniL X2dYt9D8B28IhYaHW7bASNEcBZPaYke5Jx4kcNQGKpZhuAeD4C1iK8rq6daJg9sJTHk0rCmnAx/+o hVeCeXzsz+uHVBTUabU+3mxo+Ml7aIRnUFve64XZFQRMg+KTkua5DRaQRpG2zhyEDkh4Pyp4iDrc8 60DB9rO4RGUGjoqzxuSs/XNXh6Yk0xD9OjIoRFp7i2UjiUuMFvrWgi1pS4mSZR0EbHDU5d0FZkAXU 69hsWJ9bn+hahTtoLb0bCV2zVpllh91tTXj4ZQmkgIh8iB8k89MhZg5oEPjmsc4VHukVY0iDTt9C+ u40GiKUw==; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240928_051324_694700_4CAB3A93 X-CRM114-Status: GOOD ( 17.33 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 27/09/2024 11:35, Markus Schneider-Pargmann wrote: >>> >>> It's not obvious for me. Maybe you can elaborate a bit. >>> >>> The hardware has a different set of wakeup sources depending on the >>> power mode it is in and I would like to describe these different sets of >>> wakeup sources in the devicetree as for me this is a hardware property, >>> not a driver thing. >> >> I stated the argument to which you did not respond: it will not matter >> for the device whether this is wakeup-source = S2R or wakeup-source = >> TI-Partial-IO or whatever. >> >> Each device is or is not wakeup source. >> >> And just because your device has some registers or some configuration >> does not mean this property is suitable for DT. > > I came up with a different (better) way to model this in the devicetree. > This group of units that are powered in Partial-IO are all powered by > just one regulator that is always on. I can simply describe this in the > devicetree by defining the regulator and consumer relationship: > > Defining the regulator as described in the board schematic: > > vddshv_canuart: regulator-7 { > /* TPS22965DSGT */ > compatible = "regulator-fixed"; > regulator-name = "vddshv_canuart"; > regulator-min-microvolt = <3300000>; > regulator-max-microvolt = <3300000>; > vin-supply = <&vcc_3v3_main>; > regulator-always-on; > regulator-boot-on; > }; > > Adding vio-supply to mcan and uarts, note, this binding does not exist > yet: > > &mcu_mcan0 { > vio-supply = <&vddshv_canuart>; > }; > > &mcu_mcan1 { > vio-supply = <&vddshv_canuart>; > }; > > &mcu_uart0 { > vio-supply = <&vddshv_canuart>; > }; > > &wkup_uart0 { > vio-supply = <&vddshv_canuart>; > }; > I am happy that problem is solved, but it really, really puzzles me how above fits wakeup-mode-problem at all. This is so different that I doubt you came up with proper hardware description. Best regards, Krzysztof