{"id":2225787,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2225787/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20260421-wdt-v1-2-0bd01ec6a7c4@nxp.com/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/1.1/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260421-wdt-v1-2-0bd01ec6a7c4@nxp.com>","date":"2026-04-21T14:01:28","name":"[v2,2/5] arm: dts: imx: Update watchdog nodes for dynamic base address lookup","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"4310e914754c6f95cc9f241706992b4fd21a2f02","submitter":{"id":80695,"url":"http://patchwork.ozlabs.org/api/1.1/people/80695/?format=json","name":"Alice Guo (OSS)","email":"alice.guo@oss.nxp.com"},"delegate":{"id":151988,"url":"http://patchwork.ozlabs.org/api/1.1/users/151988/?format=json","username":"festevam","first_name":"Fabio","last_name":"Estevam","email":"festevam@gmail.com"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20260421-wdt-v1-2-0bd01ec6a7c4@nxp.com/mbox/","series":[{"id":500836,"url":"http://patchwork.ozlabs.org/api/1.1/series/500836/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/list/?series=500836","date":"2026-04-21T14:01:26","name":"imx: Switch watchdog addressing from macros to devicetree","version":2,"mbox":"http://patchwork.ozlabs.org/series/500836/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2225787/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2225787/checks/","tags":{},"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=hS0NTvwS;\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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This allows the bootloader to obtain watchdog base addresses\nfrom 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\nWatchdog nodes are marked with \"bootph-all\" to ensure availability\nduring early boot stages when init_wdog() occurs.\n\nSigned-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(+)","diff":"diff --git a/arch/arm/dts/imx7ulp.dtsi b/arch/arm/dts/imx7ulp.dtsi\nindex 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>;\ndiff --git a/arch/arm/dts/imx8ulp-u-boot.dtsi b/arch/arm/dts/imx8ulp-u-boot.dtsi\nindex 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+};\ndiff --git a/arch/arm/dts/imx91-u-boot.dtsi b/arch/arm/dts/imx91-u-boot.dtsi\nindex 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+};\ndiff --git a/arch/arm/dts/imx93-u-boot.dtsi b/arch/arm/dts/imx93-u-boot.dtsi\nindex 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+};\ndiff --git a/arch/arm/dts/imx93.dtsi b/arch/arm/dts/imx93.dtsi\nindex 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>;\ndiff --git a/arch/arm/dts/imx943-u-boot.dtsi b/arch/arm/dts/imx943-u-boot.dtsi\nindex 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+};\ndiff --git a/arch/arm/dts/imx95-u-boot.dtsi b/arch/arm/dts/imx95-u-boot.dtsi\nindex 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+\t};\n };\n \n &aips3 {\n@@ -238,3 +248,7 @@\n &scmi_buf1 {\n \tbootph-all;\n };\n+\n+&wdog3 {\n+\tbootph-all;\n+};\ndiff --git a/arch/arm/dts/imx952-u-boot.dtsi b/arch/arm/dts/imx952-u-boot.dtsi\nindex 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","prefixes":["v2","2/5"]}