thermal/drivers/qoriq: Add i.MX93 tmu support

For Thermal monitor unit(TMU) used on i.MX93, the HW revision info read
from the ID register is the same the one used on some of the QorIQ
platform, but the config has some slight differance. Add i.MX93 compatible
string and corresponding code for it.

Signed-off-by: Alice Guo <alice.guo@nxp.com>
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@kernel.org>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260430-imx93_tmu-v6-2-485459d7b54f@nxp.com

diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c
index 01b58be0dcc64d14ca5e4bba654eed8f15e827fc..e4b61d531e44f6927b74e79a81f1e63dda7f9aca 100644 (file)
--- a/drivers/thermal/qoriq_thermal.c
+++ b/drivers/thermal/qoriq_thermal.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 //
 // Copyright 2016 Freescale Semiconductor, Inc.
+// Copyright 2025 NXP
 
 #include <linux/clk.h>
 #include <linux/err.h>
@@ -24,6 +25,7 @@
 #define TMTMIR_DEFAULT 0x0000000f
 #define TIER_DISABLE   0x0
 #define TEUMR0_V2              0x51009c00
+#define TEUMR0_V21             0x55000c00
 #define TMSARA_V2              0xe
 #define TMU_VER1               0x1
 #define TMU_VER2               0x2
@@ -73,12 +75,17 @@ struct qoriq_sensor {
        int                             id;
 };
 
+struct tmu_drvdata {
+       u32 teumr0;
+};
+
 struct qoriq_tmu_data {
        int ver;
        u32 ttrcr[NUM_TTRCR_MAX];
        struct regmap *regmap;
        struct clk *clk;
        struct qoriq_sensor     sensor[SITES_MAX];
+       const struct tmu_drvdata *drvdata;
 };
 
 static struct qoriq_tmu_data *qoriq_sensor_to_data(struct qoriq_sensor *s)
@@ -234,7 +241,8 @@ static void qoriq_tmu_init_device(struct qoriq_tmu_data *data)
                regmap_write(data->regmap, REGS_TMTMIR, TMTMIR_DEFAULT);
        } else {
                regmap_write(data->regmap, REGS_V2_TMTMIR, TMTMIR_DEFAULT);
-               regmap_write(data->regmap, REGS_V2_TEUMR(0), TEUMR0_V2);
+               regmap_write(data->regmap, REGS_V2_TEUMR(0),
+                            data->drvdata->teumr0);
        }
 
        /* Disable monitoring */
@@ -319,6 +327,10 @@ static int qoriq_tmu_probe(struct platform_device *pdev)
 
        data->ver = (ver >> 8) & 0xff;
 
+       data->drvdata = of_device_get_match_data(&pdev->dev);
+       if (!data->drvdata)
+               return dev_err_probe(dev, -EINVAL, "Failed to get match data\n");
+
        qoriq_tmu_init_device(data);    /* TMU initialization */
 
        ret = qoriq_tmu_calibration(dev, data); /* TMU calibration */
@@ -376,9 +388,22 @@ static int qoriq_tmu_resume(struct device *dev)
 static DEFINE_SIMPLE_DEV_PM_OPS(qoriq_tmu_pm_ops,
                                qoriq_tmu_suspend, qoriq_tmu_resume);
 
+static const struct tmu_drvdata qoriq_tmu_data = {
+       .teumr0 = TEUMR0_V2,
+};
+
+static const struct tmu_drvdata imx8mq_tmu_data = {
+       .teumr0 = TEUMR0_V2,
+};
+
+static const struct tmu_drvdata imx93_data = {
+       .teumr0 = TEUMR0_V21,
+};
+
 static const struct of_device_id qoriq_tmu_match[] = {
-       { .compatible = "fsl,qoriq-tmu", },
-       { .compatible = "fsl,imx8mq-tmu", },
+       { .compatible = "fsl,qoriq-tmu", .data = &qoriq_tmu_data },
+       { .compatible = "fsl,imx8mq-tmu", .data = &imx8mq_tmu_data },
+       { .compatible = "fsl,imx93-tmu", .data = &imx93_data },
        {},
 };
 MODULE_DEVICE_TABLE(of, qoriq_tmu_match);