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Thu, 12 May 2022 10:13:31 +0000 From: Andrejs Cainikovs To: andrejs.cainikovs@toradex.com CC: aford173@gmail.com, festevam@gmail.com, francesco.dolcini@toradex.com, frieder.schrempf@kontron.de, marex@denx.de, michael@amarulasolutions.com, peng.fan@nxp.com, ricardo@foundries.io, sbabic@denx.de, tharvey@gateworks.com, u-boot@lists.denx.de, uboot-imx@nxp.com, ye.li@nxp.com Subject: [PATCH] imx8m: fixup thermal trips Date: Thu, 12 May 2022 12:12:46 +0200 Message-ID: <20220512101245.15829-2-andrejs.cainikovs@toradex.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <3636bdbb-f1aa-7b35-5199-56cff4eb5c64@toradex.com> References: <3636bdbb-f1aa-7b35-5199-56cff4eb5c64@toradex.com> X-ClientProxiedBy: ZR0P278CA0190.CHEP278.PROD.OUTLOOK.COM (2603:10a6:910:44::17) To GVAP278MB0929.CHEP278.PROD.OUTLOOK.COM (2603:10a6:710:57::6) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: ca9e25cf-23aa-4c36-caac-08da340010ee X-MS-TrafficTypeDiagnostic: GVAP278MB0487:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0 X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; 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auth=pass smtp.auth=CDE13A77 smtp.mailfrom=andrejs.cainikovs@toradex.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: toradex.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=WINDOWS-1252 X-Mailman-Approved-At: Thu, 12 May 2022 13:51:11 +0200 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean Fixup thermal trips in Linux device tree according to SoC thermal grade. Signed-off-by: Andrejs Cainikovs --- arch/arm/mach-imx/imx8m/soc.c | 50 +++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index e93ecd2846..b451ece91f 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -1001,6 +1001,49 @@ static int disable_cpu_nodes(void *blob, u32 disable= d_cores) =09return 0; } =20 +int fixup_thermal_trips(void *blob, const char *name) +{ +=09int minc, maxc; +=09int node, trip; + +=09node =3D fdt_path_offset(blob, "/thermal-zones"); +=09if (node < 0) +=09=09return node; + +=09node =3D fdt_subnode_offset(blob, node, name); +=09if (node < 0) +=09=09return node; + +=09node =3D fdt_subnode_offset(blob, node, "trips"); +=09if (node < 0) +=09=09return node; + +=09get_cpu_temp_grade(&minc, &maxc); + +=09fdt_for_each_subnode(trip, blob, node) { +=09=09const char *type; +=09=09int temp, ret; + +=09=09type =3D fdt_getprop(blob, trip, "type", NULL); +=09=09if (!type) +=09=09=09continue; + +=09=09temp =3D 0; +=09=09if (!strcmp(type, "critical")) { +=09=09=09temp =3D 1000 * maxc; +=09=09} else if (!strcmp(type, "passive")) { +=09=09=09temp =3D 1000 * (maxc - 10); +=09=09} +=09=09if (temp) { +=09=09=09ret =3D fdt_setprop_u32(blob, trip, "temperature", temp); +=09=09=09if (ret) +=09=09=09=09return ret; +=09=09} +=09} + +=09return 0; +} + int ft_system_setup(void *blob, bd_t *bd) { #ifdef CONFIG_IMX8MQ @@ -1128,6 +1171,13 @@ usb_modify_speed: =09=09disable_cpu_nodes(blob, 2); #endif =20 +=09if (fixup_thermal_trips(blob, "cpu-thermal")) +=09=09printf("Failed to update cpu-thermal trip(s)"); +#ifdef CONFIG_IMX8MP +=09if (fixup_thermal_trips(blob, "soc-thermal")) +=09=09printf("Failed to update soc-thermal trip(s)"); +#endif + =09return ft_add_optee_node(blob, bd); } #endif --=20 2.34.1