[{"id":3679936,"web_url":"http://patchwork.ozlabs.org/comment/3679936/","msgid":"","list_archive_url":null,"date":"2026-04-21T14:10:01","subject":"Re: [PATCH v2 2/5] arm: dts: imx: Update watchdog nodes for dynamic\n base address lookup","submitter":{"id":69987,"url":"http://patchwork.ozlabs.org/api/people/69987/","name":"Stefan Roese","email":"stefan.roese@mailbox.org"},"content":"On 4/21/26 16:01, alice.guo@oss.nxp.com wrote:\n> From: Alice Guo \n> \n> Update watchdog device tree nodes to enable dynamic base address\n> retrieval for i.MX7ULP, i.MX8ULP, i.MX91, i.MX93, i.MX943, i.MX95 and\n> i.MX952. This allows the bootloader to obtain watchdog base addresses\n> from the device tree instead of using hardcoded values.\n> \n> - imx7ulp: Add wdog2 node\n> - imx8ulp: Mark wdog3 available\n> - imx91/imx93: Add wdog4 and wdog5 nodes\n> \t Mark wdog3/wdog4/wdog5 available\n> - imx943: Add wdog4 node and mark wdog3/wdog4 available\n> - imx95/imx952: Add wdog4 node and mark wdog3/wdog4 available\n> \n> Watchdog nodes are marked with \"bootph-all\" to ensure availability\n> during early boot stages when init_wdog() occurs.\n> \n> Signed-off-by: Alice Guo \n> ---\n> arch/arm/dts/imx7ulp.dtsi | 6 ++++++\n> arch/arm/dts/imx8ulp-u-boot.dtsi | 4 ++++\n> arch/arm/dts/imx91-u-boot.dtsi | 12 ++++++++++++\n> arch/arm/dts/imx93-u-boot.dtsi | 12 ++++++++++++\n> arch/arm/dts/imx93.dtsi | 18 ++++++++++++++++++\n> arch/arm/dts/imx943-u-boot.dtsi | 16 ++++++++++++++++\n> arch/arm/dts/imx95-u-boot.dtsi | 14 ++++++++++++++\n> arch/arm/dts/imx952-u-boot.dtsi | 14 ++++++++++++++\n> 8 files changed, 96 insertions(+)\n> \n> diff --git a/arch/arm/dts/imx7ulp.dtsi b/arch/arm/dts/imx7ulp.dtsi\n> index bcec98b9641..45a69f06e20 100644\n> --- a/arch/arm/dts/imx7ulp.dtsi\n> +++ b/arch/arm/dts/imx7ulp.dtsi\n> @@ -295,6 +295,12 @@\n> \t\t\tclock-names = \"divcore\", \"hsrun_divcore\";\n> \t\t};\n> \n> +\t\twdog2: watchdog@40430000 {\n> +\t\t\tcompatible = \"fsl,imx7ulp-wdt\";\n> +\t\t\treg = <0x40430000 0x10000>;\n> +\t\t\ttimeout-sec = <40>;\n> +\t\t};\n> +\n> \t\tpcc3: clock-controller@40b30000 {\n> \t\t\tcompatible = \"fsl,imx7ulp-pcc3\";\n> \t\t\treg = <0x40b30000 0x10000>;\n> diff --git a/arch/arm/dts/imx8ulp-u-boot.dtsi b/arch/arm/dts/imx8ulp-u-boot.dtsi\n> index 30baaeff8ef..54ecbcf1795 100644\n> --- a/arch/arm/dts/imx8ulp-u-boot.dtsi\n> +++ b/arch/arm/dts/imx8ulp-u-boot.dtsi\n> @@ -61,3 +61,7 @@\n> \t};\n> };\n> #endif\n> +\n> +&wdog3 {\n> +\tbootph-all;\n> +};\n> diff --git a/arch/arm/dts/imx91-u-boot.dtsi b/arch/arm/dts/imx91-u-boot.dtsi\n> index 5b639c965d6..149f7bc685a 100644\n> --- a/arch/arm/dts/imx91-u-boot.dtsi\n> +++ b/arch/arm/dts/imx91-u-boot.dtsi\n> @@ -90,3 +90,15 @@\n> \t\t};\n> \t};\n> };\n> +\n> +&wdog3 {\n> +\tbootph-all;\n> +};\n> +\n> +&wdog4 {\n> +\tbootph-all;\n> +};\n> +\n> +&wdog5 {\n> +\tbootph-all;\n> +};\n> diff --git a/arch/arm/dts/imx93-u-boot.dtsi b/arch/arm/dts/imx93-u-boot.dtsi\n> index dc86746ac90..a84cdf2bc45 100644\n> --- a/arch/arm/dts/imx93-u-boot.dtsi\n> +++ b/arch/arm/dts/imx93-u-boot.dtsi\n> @@ -96,3 +96,15 @@\n> \t\t\t 0x000001b2 0x800001b6>;\n> \t#thermal-sensor-cells = <1>;\n> };\n> +\n> +&wdog3 {\n> +\tbootph-all;\n> +};\n> +\n> +&wdog4 {\n> +\tbootph-all;\n> +};\n> +\n> +&wdog5 {\n> +\tbootph-all;\n> +};\n> diff --git a/arch/arm/dts/imx93.dtsi b/arch/arm/dts/imx93.dtsi\n> index d6964714ea0..511e9594e37 100644\n> --- a/arch/arm/dts/imx93.dtsi\n> +++ b/arch/arm/dts/imx93.dtsi\n> @@ -414,6 +414,24 @@\n> \t\t\t\ttimeout-sec = <40>;\n> \t\t\t};\n> \n> +\t\t\twdog4: watchdog@424a0000 {\n> +\t\t\t\tcompatible = \"fsl,imx93-wdt\";\n> +\t\t\t\treg = <0x424a0000 0x10000>;\n> +\t\t\t\tinterrupts = ;\n> +\t\t\t\tclocks = <&clk IMX93_CLK_WDOG4_GATE>;\n> +\t\t\t\ttimeout-sec = <40>;\n> +\t\t\t\tstatus = \"disabled\";\n> +\t\t\t};\n> +\n> +\t\t\twdog5: watchdog@424b0000 {\n> +\t\t\t\tcompatible = \"fsl,imx93-wdt\";\n> +\t\t\t\treg = <0x424b0000 0x10000>;\n> +\t\t\t\tinterrupts = ;\n> +\t\t\t\tclocks = <&clk IMX93_CLK_WDOG5_GATE>;\n> +\t\t\t\ttimeout-sec = <40>;\n> +\t\t\t\tstatus = \"disabled\";\n> +\t\t\t};\n> +\n> \t\t\ttpm3: pwm@424e0000 {\n> \t\t\t\tcompatible = \"fsl,imx7ulp-pwm\";\n> \t\t\t\treg = <0x424e0000 0x1000>;\n> diff --git a/arch/arm/dts/imx943-u-boot.dtsi b/arch/arm/dts/imx943-u-boot.dtsi\n> index 3457442a3b0..fca0f10c865 100644\n> --- a/arch/arm/dts/imx943-u-boot.dtsi\n> +++ b/arch/arm/dts/imx943-u-boot.dtsi\n> @@ -159,6 +159,18 @@\n> \t};\n> };\n> \n> +&aips4 {\n> +\tbootph-all;\n> +\n> +\twdog4: watchdog@49230000 {\n> +\t\tbootph-all;\n> +\n> +\t\tcompatible = \"fsl,imx94-wdt\", \"fsl,imx93-wdt\";\n> +\t\treg = <0x49230000 0x10000>;\n> +\t\tstatus = \"disabled\";\n> +\t};\n> +};\n> +\n> &clk_ext1 {\n> \tbootph-all;\n> };\n> @@ -460,3 +472,7 @@\n> &sram0 {\n> \tbootph-all;\n> };\n> +\n> +&wdog3 {\n> +\tbootph-all;\n> +};\n> diff --git a/arch/arm/dts/imx95-u-boot.dtsi b/arch/arm/dts/imx95-u-boot.dtsi\n> index 6dec159752b..2fdb7e331b6 100644\n> --- a/arch/arm/dts/imx95-u-boot.dtsi\n> +++ b/arch/arm/dts/imx95-u-boot.dtsi\n> @@ -138,6 +138,16 @@\n> \n> &aips2 {\n> \tbootph-all;\n> +\n> +\twdog4: watchdog@424a0000 {\n> +\t\tbootph-all;\n> +\n> +\t\tcompatible = \"fsl,imx93-wdt\";\n> +\t\treg = <0x424a0000 0x10000>;\n> +\t\tclocks = <&scmi_clk IMX95_CLK_BUSWAKEUP>;\n> +\t\ttimeout-sec = <40>;\n> +\t\tstatus = \"disabled\";\n\nI understand why \"bootph-all\" is in the u-boot special file. But the\nother main properties defining the watchdog device should be in the\ncommon dts(i) file, no?\n\nChecking mainline kernel I see, that \"bootph-all\" is used there as well.\nIt seems to be accepted. So why not move everything into the common\ndts/dtsi files instead?\n\nThanks,\nStefan\n\n> +\t};\n> };\n> \n> &aips3 {\n> @@ -238,3 +248,7 @@\n> &scmi_buf1 {\n> \tbootph-all;\n> };\n> +\n> +&wdog3 {\n> +\tbootph-all;\n> +};\n> diff --git a/arch/arm/dts/imx952-u-boot.dtsi b/arch/arm/dts/imx952-u-boot.dtsi\n> index e977014992e..082dab75a18 100644\n> --- a/arch/arm/dts/imx952-u-boot.dtsi\n> +++ b/arch/arm/dts/imx952-u-boot.dtsi\n> @@ -115,6 +115,16 @@\n> \n> &aips2 {\n> \tbootph-all;\n> +\n> +\twdog4: watchdog@420c0000 {\n> +\t\tbootph-all;\n> +\n> +\t\tcompatible = \"fsl,imx93-wdt\";\n> +\t\treg = <0x420c0000 0x10000>;\n> +\t\tclocks = <&scmi_clk IMX952_CLK_BUSWAKEUP>;\n> +\t\ttimeout-sec = <40>;\n> +\t\tstatus = \"disabled\";\n> +\t};\n> };\n> \n> &aips3 {\n> @@ -237,6 +247,10 @@\n> \tbootph-pre-ram;\n> };\n> \n> +&wdog3 {\n> +\tbootph-all;\n> +};\n> +\n> &scmi_iomuxc {\n> \tpinctrl-names = \"default\";\n> \tpinctrl-0 = <&pinctrl_hog>;\n>","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=mailbox.org header.i=@mailbox.org header.a=rsa-sha256\n header.s=mail20150812 header.b=IMANqzCC;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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charset=UTF-8; format=flowed","Content-Transfer-Encoding":"7bit","X-MBO-RS-META":"85fzpi1sqxzbgu41ddwpedy487cbjrep","X-MBO-RS-ID":"4124b0baed44d599a93","X-Mailman-Approved-At":"Tue, 21 Apr 2026 17:12:16 +0200","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"}},{"id":3680203,"web_url":"http://patchwork.ozlabs.org/comment/3680203/","msgid":"","list_archive_url":null,"date":"2026-04-22T01:58:10","subject":"Re: [PATCH v2 2/5] arm: dts: imx: Update watchdog nodes for dynamic\n base address lookup","submitter":{"id":6978,"url":"http://patchwork.ozlabs.org/api/people/6978/","name":"Fabio Estevam","email":"festevam@gmail.com"},"content":"On Tue, Apr 21, 2026 at 11:10 AM Stefan Roese wrote:\n\n> I understand why \"bootph-all\" is in the u-boot special file. But the\n> other main properties defining the watchdog device should be in the\n> common dts(i) file, no?\n>\n> Checking mainline kernel I see, that \"bootph-all\" is used there as well.\n> It seems to be accepted. So why not move everything into the common\n> dts/dtsi files instead?\n\nI agree with Stefan.","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=pUUrHK4s;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de;\n envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org)","phobos.denx.de;\n dmarc=pass (p=none dis=none) header.from=gmail.com","phobos.denx.de;\n spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de","phobos.denx.de;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.b=\"pUUrHK4s\";\n\tdkim-atps=neutral","phobos.denx.de;\n dmarc=pass (p=none dis=none) header.from=gmail.com","phobos.denx.de;\n spf=pass smtp.mailfrom=festevam@gmail.com"],"Received":["from phobos.denx.de (phobos.denx.de\n [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g0k7B1XBVz1yGs\n\tfor ; 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Tue, 21 Apr 2026\n 18:58:21 -0700 (PDT)","MIME-Version":"1.0","References":"<20260421-wdt-v1-0-0bd01ec6a7c4@nxp.com>\n <20260421-wdt-v1-2-0bd01ec6a7c4@nxp.com>\n ","In-Reply-To":"","From":"Fabio Estevam ","Date":"Tue, 21 Apr 2026 22:58:10 -0300","X-Gm-Features":"AQROBzCTdPhRFkvaQJakcvus0RvZYmOYnIUIx2SoqMBTxLotnwcw8tRwnCq-gHQ","Message-ID":"\n ","Subject":"Re: [PATCH v2 2/5] arm: dts: imx: Update watchdog nodes for dynamic\n base address lookup","To":"Stefan Roese ","Cc":"alice.guo@oss.nxp.com, \"NXP i.MX U-Boot Team\" ,\n u-boot@lists.denx.de, Christoph Stoidner ,\n upstream@lists.phytec.de, Stefano Babic ,\n Tom Rini , Peng Fan ,\n Ye Li , Simon Glass ,\n Fedor Ross ,\n =?utf-8?q?S=C3=A9bastien_Szymanski?= ,\n\t=?utf-8?q?Jo=C3=A3o_Paulo_Gon=C3=A7alves?= ,\n Primoz Fiser ,\n Frieder Schrempf , =?utf-8?q?J=C3=A9r=C3=A9mie?=\n\t=?utf-8?q?_Dautheribes_=28Schneider_Electric=29?=\n , Jacky Bai ,\n Francesco Dolcini ,\n Mathieu Othacehe , Lukasz Majewski ,\n Ernest Van Hoecke ,\n Emanuele Ghidoli ,\n Max Krummenacher ,\n Wadim Egorov , Sumit Garg ,\n Tim Harvey , Anshul Dalal ,\n Franz Schnyder ,\n Sam Protsenko , Joseph Guo ,\n Ji Luo , Marek Vasut ,\n Alice Guo ","Content-Type":"text/plain; charset=\"UTF-8\"","Content-Transfer-Encoding":"quoted-printable","X-Mailman-Approved-At":"Wed, 22 Apr 2026 04:42:51 +0200","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"}},{"id":3680592,"web_url":"http://patchwork.ozlabs.org/comment/3680592/","msgid":"","list_archive_url":null,"date":"2026-04-22T03:48:59","subject":"=?utf-8?q?=E5=9B=9E=E5=A4=8D=3A_=5BPATCH_v2_2/5=5D_arm=3A_dts=3A_im?=\n\t=?utf-8?q?x=3A_Update_watchdog_nodes_for_dynamic_base_address_lookup?=","submitter":{"id":80695,"url":"http://patchwork.ozlabs.org/api/people/80695/","name":"Alice Guo (OSS)","email":"alice.guo@oss.nxp.com"},"content":"> -----邮件原件-----\n> 发件人: Stefan Roese \n> 发送时间: 2026年4月21日 22:10\n> 收件人: Alice Guo (OSS) ; dl-uboot-imx\n> ; u-boot@lists.denx.de; Christoph Stoidner\n> ; upstream@lists.phytec.de\n> 抄送: Stefano Babic ; Fabio Estevam\n> ; Tom Rini ; Peng Fan\n> ; Ye Li ; Simon Glass\n> ; Ross, Fedor ; Sébastien Szymanski\n> ; João Paulo Gonçalves\n> ; Primoz Fiser ;\n> Frieder Schrempf ; Jérémie Dautheribes\n> (Schneider Electric) ; Jacky Bai\n> ; Francesco Dolcini ;\n> Mathieu Othacehe ; Lukasz Majewski\n> ; Ernest Van Hoecke ;\n> Emanuele Ghidoli ; Max Krummenacher\n> ; Wadim Egorov ;\n> Sumit Garg ; tharvey@gateworks.com;\n> Anshul Dalal ; Franz Schnyder\n> ; Sam Protsenko\n> ; Joseph Guo ; Ji Luo\n> ; Marek Vasut ; Alice Guo\n> \n> 主题: Re: [PATCH v2 2/5] arm: dts: imx: Update watchdog nodes for dynamic\n> base address lookup\n> \n> On 4/21/26 16:01, alice.guo@oss.nxp.com wrote:\n> > From: Alice Guo \n> >\n> > Update watchdog device tree nodes to enable dynamic base address\n> > retrieval for i.MX7ULP, i.MX8ULP, i.MX91, i.MX93, i.MX943, i.MX95 and\n> > i.MX952. This allows the bootloader to obtain watchdog base addresses\n> > from the device tree instead of using hardcoded values.\n> >\n> > - imx7ulp: Add wdog2 node\n> > - imx8ulp: Mark wdog3 available\n> > - imx91/imx93: Add wdog4 and wdog5 nodes\n> > \t Mark wdog3/wdog4/wdog5 available\n> > - imx943: Add wdog4 node and mark wdog3/wdog4 available\n> > - imx95/imx952: Add wdog4 node and mark wdog3/wdog4 available\n> >\n> > Watchdog nodes are marked with \"bootph-all\" to ensure availability\n> > during early boot stages when init_wdog() occurs.\n> >\n> > Signed-off-by: Alice Guo \n> > ---\n> > arch/arm/dts/imx7ulp.dtsi | 6 ++++++\n> > arch/arm/dts/imx8ulp-u-boot.dtsi | 4 ++++\n> > arch/arm/dts/imx91-u-boot.dtsi | 12 ++++++++++++\n> > arch/arm/dts/imx93-u-boot.dtsi | 12 ++++++++++++\n> > arch/arm/dts/imx93.dtsi | 18 ++++++++++++++++++\n> > arch/arm/dts/imx943-u-boot.dtsi | 16 ++++++++++++++++\n> > arch/arm/dts/imx95-u-boot.dtsi | 14 ++++++++++++++\n> > arch/arm/dts/imx952-u-boot.dtsi | 14 ++++++++++++++\n> > 8 files changed, 96 insertions(+)\n> >\n> > diff --git a/arch/arm/dts/imx7ulp.dtsi b/arch/arm/dts/imx7ulp.dtsi\n> > index bcec98b9641..45a69f06e20 100644\n> > --- a/arch/arm/dts/imx7ulp.dtsi\n> > +++ b/arch/arm/dts/imx7ulp.dtsi\n> > @@ -295,6 +295,12 @@\n> > \t\t\tclock-names = \"divcore\", \"hsrun_divcore\";\n> > \t\t};\n> >\n> > +\t\twdog2: watchdog@40430000 {\n> > +\t\t\tcompatible = \"fsl,imx7ulp-wdt\";\n> > +\t\t\treg = <0x40430000 0x10000>;\n> > +\t\t\ttimeout-sec = <40>;\n> > +\t\t};\n> > +\n> > \t\tpcc3: clock-controller@40b30000 {\n> > \t\t\tcompatible = \"fsl,imx7ulp-pcc3\";\n> > \t\t\treg = <0x40b30000 0x10000>;\n> > diff --git a/arch/arm/dts/imx8ulp-u-boot.dtsi\n> > b/arch/arm/dts/imx8ulp-u-boot.dtsi\n> > index 30baaeff8ef..54ecbcf1795 100644\n> > --- a/arch/arm/dts/imx8ulp-u-boot.dtsi\n> > +++ b/arch/arm/dts/imx8ulp-u-boot.dtsi\n> > @@ -61,3 +61,7 @@\n> > \t};\n> > };\n> > #endif\n> > +\n> > +&wdog3 {\n> > +\tbootph-all;\n> > +};\n> > diff --git a/arch/arm/dts/imx91-u-boot.dtsi\n> > b/arch/arm/dts/imx91-u-boot.dtsi index 5b639c965d6..149f7bc685a 100644\n> > --- a/arch/arm/dts/imx91-u-boot.dtsi\n> > +++ b/arch/arm/dts/imx91-u-boot.dtsi\n> > @@ -90,3 +90,15 @@\n> > \t\t};\n> > \t};\n> > };\n> > +\n> > +&wdog3 {\n> > +\tbootph-all;\n> > +};\n> > +\n> > +&wdog4 {\n> > +\tbootph-all;\n> > +};\n> > +\n> > +&wdog5 {\n> > +\tbootph-all;\n> > +};\n> > diff --git a/arch/arm/dts/imx93-u-boot.dtsi\n> > b/arch/arm/dts/imx93-u-boot.dtsi index dc86746ac90..a84cdf2bc45 100644\n> > --- a/arch/arm/dts/imx93-u-boot.dtsi\n> > +++ b/arch/arm/dts/imx93-u-boot.dtsi\n> > @@ -96,3 +96,15 @@\n> > \t\t\t 0x000001b2 0x800001b6>;\n> > \t#thermal-sensor-cells = <1>;\n> > };\n> > +\n> > +&wdog3 {\n> > +\tbootph-all;\n> > +};\n> > +\n> > +&wdog4 {\n> > +\tbootph-all;\n> > +};\n> > +\n> > +&wdog5 {\n> > +\tbootph-all;\n> > +};\n> > diff --git a/arch/arm/dts/imx93.dtsi b/arch/arm/dts/imx93.dtsi index\n> > d6964714ea0..511e9594e37 100644\n> > --- a/arch/arm/dts/imx93.dtsi\n> > +++ b/arch/arm/dts/imx93.dtsi\n> > @@ -414,6 +414,24 @@\n> > \t\t\t\ttimeout-sec = <40>;\n> > \t\t\t};\n> >\n> > +\t\t\twdog4: watchdog@424a0000 {\n> > +\t\t\t\tcompatible = \"fsl,imx93-wdt\";\n> > +\t\t\t\treg = <0x424a0000 0x10000>;\n> > +\t\t\t\tinterrupts = ;\n> > +\t\t\t\tclocks = <&clk IMX93_CLK_WDOG4_GATE>;\n> > +\t\t\t\ttimeout-sec = <40>;\n> > +\t\t\t\tstatus = \"disabled\";\n> > +\t\t\t};\n> > +\n> > +\t\t\twdog5: watchdog@424b0000 {\n> > +\t\t\t\tcompatible = \"fsl,imx93-wdt\";\n> > +\t\t\t\treg = <0x424b0000 0x10000>;\n> > +\t\t\t\tinterrupts = ;\n> > +\t\t\t\tclocks = <&clk IMX93_CLK_WDOG5_GATE>;\n> > +\t\t\t\ttimeout-sec = <40>;\n> > +\t\t\t\tstatus = \"disabled\";\n> > +\t\t\t};\n> > +\n> > \t\t\ttpm3: pwm@424e0000 {\n> > \t\t\t\tcompatible = \"fsl,imx7ulp-pwm\";\n> > \t\t\t\treg = <0x424e0000 0x1000>;\n> > diff --git a/arch/arm/dts/imx943-u-boot.dtsi\n> > b/arch/arm/dts/imx943-u-boot.dtsi index 3457442a3b0..fca0f10c865\n> > 100644\n> > --- a/arch/arm/dts/imx943-u-boot.dtsi\n> > +++ b/arch/arm/dts/imx943-u-boot.dtsi\n> > @@ -159,6 +159,18 @@\n> > \t};\n> > };\n> >\n> > +&aips4 {\n> > +\tbootph-all;\n> > +\n> > +\twdog4: watchdog@49230000 {\n> > +\t\tbootph-all;\n> > +\n> > +\t\tcompatible = \"fsl,imx94-wdt\", \"fsl,imx93-wdt\";\n> > +\t\treg = <0x49230000 0x10000>;\n> > +\t\tstatus = \"disabled\";\n> > +\t};\n> > +};\n> > +\n> > &clk_ext1 {\n> > \tbootph-all;\n> > };\n> > @@ -460,3 +472,7 @@\n> > &sram0 {\n> > \tbootph-all;\n> > };\n> > +\n> > +&wdog3 {\n> > +\tbootph-all;\n> > +};\n> > diff --git a/arch/arm/dts/imx95-u-boot.dtsi\n> > b/arch/arm/dts/imx95-u-boot.dtsi index 6dec159752b..2fdb7e331b6 100644\n> > --- a/arch/arm/dts/imx95-u-boot.dtsi\n> > +++ b/arch/arm/dts/imx95-u-boot.dtsi\n> > @@ -138,6 +138,16 @@\n> >\n> > &aips2 {\n> > \tbootph-all;\n> > +\n> > +\twdog4: watchdog@424a0000 {\n> > +\t\tbootph-all;\n> > +\n> > +\t\tcompatible = \"fsl,imx93-wdt\";\n> > +\t\treg = <0x424a0000 0x10000>;\n> > +\t\tclocks = <&scmi_clk IMX95_CLK_BUSWAKEUP>;\n> > +\t\ttimeout-sec = <40>;\n> > +\t\tstatus = \"disabled\";\n> \n> I understand why \"bootph-all\" is in the u-boot special file. But the other main\n> properties defining the watchdog device should be in the common dts(i) file, no?\n> \n> Checking mainline kernel I see, that \"bootph-all\" is used there as well.\n> It seems to be accepted. So why not move everything into the common dts/dtsi\n> files instead?\n> \n> Thanks,\n> Stefan\n> \n\nHi Stefan,\n\nFor platforms with CONFIG_OF_UPSTREAM enabled, the DTS/DTSI files come directly from the upstream kernel tree and should not be modified in U-Boot, so the watchdog node is added in the corresponding xxx-u-boot.dtsi.\n\nFor platforms without CONFIG_OF_UPSTREAM, the DTS/DTSI files are maintained locally in U-Boot, and the watchdog node is added directly to xxx.dtsi.\n\nThanks,\nAlice","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=NXP1.onmicrosoft.com header.i=@NXP1.onmicrosoft.com\n header.a=rsa-sha256 header.s=selector1-NXP1-onmicrosoft-com\n header.b=P5xkWPnZ;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","MIME-Version":"1.0","X-OriginatorOrg":"oss.nxp.com","X-MS-Exchange-CrossTenant-AuthAs":"Internal","X-MS-Exchange-CrossTenant-AuthSource":"PAXPR04MB9644.eurprd04.prod.outlook.com","X-MS-Exchange-CrossTenant-Network-Message-Id":"\n 8e9864ce-f5fb-4175-a1fb-08dea0221610","X-MS-Exchange-CrossTenant-originalarrivaltime":"22 Apr 2026 03:48:59.2647 (UTC)","X-MS-Exchange-CrossTenant-fromentityheader":"Hosted","X-MS-Exchange-CrossTenant-id":"686ea1d3-bc2b-4c6f-a92c-d99c5c301635","X-MS-Exchange-CrossTenant-mailboxtype":"HOSTED","X-MS-Exchange-CrossTenant-userprincipalname":"\n j73wuYhIEnT2li17BbrlBUkzJMd0xFmFYblnhK2pi2HpDHNpOcv09+9IhT6LzN1v+FTrxMrM1/QddBn22Xq/7Q==","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"GVXPR04MB11593","X-Mailman-Approved-At":"Wed, 22 Apr 2026 14:34:21 +0200","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"}},{"id":3680660,"web_url":"http://patchwork.ozlabs.org/comment/3680660/","msgid":"","list_archive_url":null,"date":"2026-04-22T13:46:57","subject":"Re: [PATCH v2 2/5] arm: dts: imx: Update watchdog nodes for dynamic\n base address lookup","submitter":{"id":6978,"url":"http://patchwork.ozlabs.org/api/people/6978/","name":"Fabio Estevam","email":"festevam@gmail.com"},"content":"Hi Alice,\n\nOn Wed, Apr 22, 2026 at 12:49 AM Alice Guo (OSS) wrote:\n\n[Please trim your replies]\n\n> Hi Stefan,\n>\n> For platforms with CONFIG_OF_UPSTREAM enabled, the DTS/DTSI files come directly from the upstream kernel tree and should not be modified in U-Boot, so the watchdog node is added in the corresponding xxx-u-boot.dtsi.\n\nPlease send the watchdog changes to the upstream kernel, so that\nu-boot.dtsi does not grow unnecessarily.\n\nThen mention the upstream lore URL in the U-Boot patch.\n\nWe can accept the u-boot.dtsi changes temporarily, but please make it\nclear in the U-Boot patch that an effort is being made to get the\nu-boot.dtsi change to the upstream kernel.\n\n> For platforms without CONFIG_OF_UPSTREAM, the DTS/DTSI files are maintained locally in U-Boot, and the watchdog node is added directly to xxx.dtsi.\n\nPlease help convert the NXP platforms to CONFIG_OF_UPSTREAM.","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=JNzjcXUR;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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Wed, 22 Apr 2026\n 06:47:08 -0700 (PDT)","MIME-Version":"1.0","References":"<20260421-wdt-v1-0-0bd01ec6a7c4@nxp.com>\n <20260421-wdt-v1-2-0bd01ec6a7c4@nxp.com>\n \n ","In-Reply-To":"\n ","From":"Fabio Estevam ","Date":"Wed, 22 Apr 2026 10:46:57 -0300","X-Gm-Features":"AQROBzCbYdRYKRT_FgQtL883Rgg01qLl_uoEOt8KcM6hnXQDUi1vpOCW3C2ZenU","Message-ID":"\n ","Subject":"Re: [PATCH v2 2/5] arm: dts: imx: Update watchdog nodes for dynamic\n base address lookup","To":"\"Alice Guo (OSS)\" ","Cc":"Stefan Roese , dl-uboot-imx ,\n \"u-boot@lists.denx.de\" ,\n Christoph Stoidner ,\n \"upstream@lists.phytec.de\" ,\n Stefano Babic , Tom Rini ,\n Peng Fan , Ye Li ,\n Simon Glass , \"Ross, Fedor\" ,\n\t=?utf-8?q?S=C3=A9bastien_Szymanski?= ,\n\t=?utf-8?q?Jo=C3=A3o_Paulo_Gon=C3=A7alves?= ,\n Primoz Fiser ,\n Frieder Schrempf , =?utf-8?q?J=C3=A9r=C3=A9mie?=\n\t=?utf-8?q?_Dautheribes_=28Schneider_Electric=29?=\n , Jacky Bai ,\n Francesco Dolcini ,\n Mathieu Othacehe , Lukasz Majewski ,\n Ernest Van Hoecke ,\n Emanuele Ghidoli ,\n Max Krummenacher ,\n Wadim Egorov , Sumit Garg ,\n \"tharvey@gateworks.com\" ,\n Anshul Dalal , Franz Schnyder ,\n Sam Protsenko , Joseph Guo ,\n Ji Luo , Marek Vasut ,\n Alice Guo ","Content-Type":"text/plain; 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