From: Daniel Baluta <daniel.baluta@oss.nxp.com>
To: Jacky Bai <ping.bai@nxp.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Daniel Lezcano <daniel.lezcano@kernel.org>,
Zhang Rui <rui.zhang@intel.com>,
Lukasz Luba <lukasz.luba@arm.com>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Frank Li <Frank.Li@nxp.com>
Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
Alice Guo <alice.guo@nxp.com>
Subject: Re: [PATCH v5 2/4] thermal: qoriq: add i.MX93 tmu support
Date: Tue, 21 Apr 2026 12:17:53 +0300 [thread overview]
Message-ID: <2d1bbd53-1f03-4432-8681-939e0c638d37@oss.nxp.com> (raw)
In-Reply-To: <20260421-imx93_tmu-v5-2-05ea1969bb9f@nxp.com>
On 4/21/26 10:42, Jacky Bai wrote:
> 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>
> Reviewed-by: Frank Li <Frank.Li@nxp.com>
> Signed-off-by: Jacky Bai <ping.bai@nxp.com>
> ---
> - v5 changes:
> - drop the unnecessary GET_TEUMR0 helper macro
> - add drvdata for each of the platforms
>
> - v4 changes:
> - no
>
> - v3 changes:
> - use the drv data struct for match data and refine the code
> - update the copyright
>
> - v2 changes:
> - use the compatible match data to identify the i.MX93 TMU variant
> ---
> drivers/thermal/qoriq_thermal.c | 33 ++++++++++++++++++++++++++++++---
> 1 file changed, 30 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c
> index 01b58be0dcc64d14ca5e4bba654eed8f15e827fc..297a855311f3d6a8d527794abe17ac86c47bf152 100644
> --- 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)
> @@ -225,6 +232,8 @@ static int qoriq_tmu_calibration(struct device *dev,
>
> static void qoriq_tmu_init_device(struct qoriq_tmu_data *data)
> {
> + u32 teumr0_val;
No need for this here you can just use directly: data->drvdata->teumr0
> +
> /* Disable interrupt, using polling instead */
> regmap_write(data->regmap, REGS_TIER, TIER_DISABLE);
>
> @@ -234,7 +243,8 @@ 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);
> + teumr0_val = data->drvdata->teumr0;
> + regmap_write(data->regmap, REGS_V2_TEUMR(0), teumr0_val);
> }
next prev parent reply other threads:[~2026-04-21 9:14 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-21 7:42 [PATCH v5 0/4] Update the thermal support for imx93 Jacky Bai
2026-04-21 7:42 ` [PATCH v5 1/4] dt-bindings: thermal: qoriq: Add compatible string " Jacky Bai
2026-04-21 7:42 ` [PATCH v5 2/4] thermal: qoriq: add i.MX93 tmu support Jacky Bai
2026-04-21 9:17 ` Daniel Baluta [this message]
2026-04-21 9:59 ` Jacky Bai
2026-04-21 7:42 ` [PATCH v5 3/4] thermal: qoriq: workaround unexpected temperature readings from tmu Jacky Bai
2026-04-21 9:11 ` Frank Li
2026-04-21 9:56 ` Jacky Bai
2026-04-22 3:56 ` Frank Li
2026-04-21 7:42 ` [PATCH v5 4/4] arm64: dts: imx93: update the tmu compatible string Jacky Bai
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