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Thu, 5 Jan 2023 10:18:44 +0000 From: "Alice Guo (OSS)" To: rafael@kernel.org, daniel.lezcano@linaro.org, amitk@kernel.org, rui.zhang@intel.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-imx@nxp.com Subject: [PATCH v1 2/4] thermal: qoriq: add i.MX93 TMU support Date: Thu, 5 Jan 2023 18:17:46 +0800 Message-Id: <20230105101748.6714-3-alice.guo@oss.nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230105101748.6714-1-alice.guo@oss.nxp.com> References: <20230105101748.6714-1-alice.guo@oss.nxp.com> X-ClientProxiedBy: SI2P153CA0009.APCP153.PROD.OUTLOOK.COM (2603:1096:4:140::18) To AM6PR04MB6053.eurprd04.prod.outlook.com (2603:10a6:20b:b9::10) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM6PR04MB6053:EE_|DBBPR04MB7625:EE_ X-MS-Office365-Filtering-Correlation-Id: 661adaa4-0a16-482a-425d-08daef063990 X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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When TRITSR[V] = 1 and TRITSR[TP5] = 1, need to add 0.5K to TRITSR[TEMP]. IPBRR0s of lx2160ardb, lx2162aqds and i.MX93 have the same value 0x01900201 so that use the compatible to determine whether the current TMU belongs to i.MX93 or not. Signed-off-by: Alice Guo Reviewed-by: Jacky Bai Reviewed-by: Ye Li Acked-by: Jason Liu --- drivers/thermal/qoriq_thermal.c | 56 ++++++++++++++++++++++++++++++--- 1 file changed, 52 insertions(+), 4 deletions(-) diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c index d111e218f362..18030bd68687 100644 --- a/drivers/thermal/qoriq_thermal.c +++ b/drivers/thermal/qoriq_thermal.c @@ -24,9 +24,11 @@ #define TMTMIR_DEFAULT 0x0000000f #define TIER_DISABLE 0x0 #define TEUMR0_V2 0x51009c00 +#define TEUMR0_V21 0x55010c00 #define TMSARA_V2 0xe #define TMU_VER1 0x1 #define TMU_VER2 0x2 +#define TMU_VER93 0x3 #define REGS_TMR 0x000 /* Mode Register */ #define TMR_DISABLE 0x0 @@ -52,6 +54,7 @@ * Site Register */ #define TRITSR_V BIT(31) +#define TRITSR_TP5 BIT(9) #define REGS_V2_TMSAR(n) (0x304 + 16 * (n)) /* TMU monitoring * site adjustment register */ @@ -114,10 +117,16 @@ static int tmu_get_temp(struct thermal_zone_device *tz, int *temp) 10 * USEC_PER_MSEC)) return -ENODATA; - if (qdata->ver == TMU_VER1) + if (qdata->ver == TMU_VER1) { *temp = (val & GENMASK(7, 0)) * MILLIDEGREE_PER_DEGREE; - else + } else if (qdata->ver == TMU_VER93) { + if (val & TRITSR_TP5) + *temp = milli_kelvin_to_millicelsius((val & GENMASK(8, 0)) * MILLIDEGREE_PER_DEGREE + 500); + else + *temp = kelvin_to_millicelsius(val & GENMASK(8, 0)); + } else { *temp = kelvin_to_millicelsius(val & GENMASK(8, 0)); + } return 0; } @@ -207,6 +216,33 @@ static int qoriq_tmu_calibration(struct device *dev, return 0; } +static int imx93_tmu_calibration(struct device *dev, + struct qoriq_tmu_data *data) +{ + const u32 *calibration = NULL; + u32 cal_pt = 0; + u32 val = 0; + unsigned int len = 0; + unsigned int i = 0; + + calibration = of_get_property(dev->of_node, "fsl,tmu-calibration", &len); + if (calibration == NULL || len / 8 > 16 || len % 8) { + dev_err(dev, "invalid tmu calibration\n"); + return -ENODEV; + } + + for (i = 0; i < len; i += 0x8, calibration += 2) { + cal_pt = i / 8; + regmap_write(data->regmap, REGS_TTCFGR, cal_pt); + val = of_read_number(calibration, 1); + regmap_write(data->regmap, REGS_TSCFGR, val); + val = of_read_number(calibration + 1, 1); + regmap_write(data->regmap, REGS_TTRnCR(cal_pt), val); + } + + return 0; +} + static void qoriq_tmu_init_device(struct qoriq_tmu_data *data) { int i; @@ -218,6 +254,11 @@ static void qoriq_tmu_init_device(struct qoriq_tmu_data *data) if (data->ver == TMU_VER1) { regmap_write(data->regmap, REGS_TMTMIR, TMTMIR_DEFAULT); + } else if (data->ver == TMU_VER93) { + regmap_write(data->regmap, REGS_V2_TMTMIR, TMTMIR_DEFAULT); + regmap_write(data->regmap, REGS_V2_TEUMR(0), TEUMR0_V21); + for (i = 0; i < SITES_MAX; i++) + regmap_write(data->regmap, REGS_V2_TMSAR(i), TMSARA_V2); } else { regmap_write(data->regmap, REGS_V2_TMTMIR, TMTMIR_DEFAULT); regmap_write(data->regmap, REGS_V2_TEUMR(0), TEUMR0_V2); @@ -231,7 +272,7 @@ static void qoriq_tmu_init_device(struct qoriq_tmu_data *data) static const struct regmap_range qoriq_yes_ranges[] = { regmap_reg_range(REGS_TMR, REGS_TSCFGR), - regmap_reg_range(REGS_TTRnCR(0), REGS_TTRnCR(3)), + regmap_reg_range(REGS_TTRnCR(0), REGS_TTRnCR(15)), regmap_reg_range(REGS_V2_TEUMR(0), REGS_V2_TEUMR(2)), regmap_reg_range(REGS_V2_TMSAR(0), REGS_V2_TMSAR(15)), regmap_reg_range(REGS_IPBRR(0), REGS_IPBRR(1)), @@ -319,9 +360,15 @@ static int qoriq_tmu_probe(struct platform_device *pdev) } data->ver = (ver >> 8) & 0xff; + if (of_find_compatible_node(NULL, NULL, "fsl,imx93-tmu")) + data->ver = TMU_VER93; + qoriq_tmu_init_device(data); /* TMU initialization */ - ret = qoriq_tmu_calibration(dev, data); /* TMU calibration */ + if (data->ver == TMU_VER93) + ret = imx93_tmu_calibration(dev, data); + else + ret = qoriq_tmu_calibration(dev, data); /* TMU calibration */ if (ret < 0) return ret; @@ -369,6 +416,7 @@ static SIMPLE_DEV_PM_OPS(qoriq_tmu_pm_ops, static const struct of_device_id qoriq_tmu_match[] = { { .compatible = "fsl,qoriq-tmu", }, { .compatible = "fsl,imx8mq-tmu", }, + { .compatible = "fsl,imx93-tmu", }, {}, }; MODULE_DEVICE_TABLE(of, qoriq_tmu_match); From patchwork Thu Jan 5 10:17:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Alice Guo \(OSS\)" X-Patchwork-Id: 639497 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C22B3C54E76 for ; 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Signed-off-by: Alice Guo Reviewed-by: Jacky Bai Reviewed-by: Ye Li Signed-off-by: Dong Aisheng --- arch/arm64/boot/dts/freescale/imx93.dtsi | 48 ++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi index 6808321ed809..60306f3c5e7f 100644 --- a/arch/arm64/boot/dts/freescale/imx93.dtsi +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi @@ -8,6 +8,7 @@ #include #include #include +#include #include "imx93-pinfunc.h" @@ -116,6 +117,38 @@ interrupt-parent = <&gic>; }; + thermal-zones { + cpu-thermal { + polling-delay-passive = <250>; + polling-delay = <2000>; + + thermal-sensors = <&tmu 0>; + + trips { + cpu_alert: cpu-alert { + temperature = <80000>; + hysteresis = <2000>; + type = "passive"; + }; + + cpu_crit: cpu-crit { + temperature = <90000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&cpu_alert>; + cooling-device = + <&A55_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&A55_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; + }; + soc@0 { compatible = "simple-bus"; #address-cells = <1>; @@ -280,6 +313,21 @@ compatible = "fsl,imx93-anatop", "syscon"; reg = <0x44480000 0x10000>; }; + + tmu: tmu@44482000 { + compatible = "fsl,imx93-tmu"; + reg = <0x44482000 0x1000>; + clocks = <&clk IMX93_CLK_TMC_GATE>; + little-endian; + fsl,tmu-calibration = <0x0000000e 0x800000da + 0x00000029 0x800000e9 + 0x00000056 0x80000102 + 0x000000a2 0x8000012a + 0x00000116 0x80000166 + 0x00000195 0x800001a7 + 0x000001b2 0x800001b6>; + #thermal-sensor-cells = <1>; + }; }; aips2: bus@42000000 {