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From: Matthias Kaehlcke <mka@chromium.org>
To: Amit Kucheria <amit.kucheria@linaro.org>
Cc: linux-kernel@vger.kernel.org, rnayak@codeaurora.org,
	linux-arm-msm@vger.kernel.org, bjorn.andersson@linaro.org,
	edubezval@gmail.com, smohanad@codeaurora.org,
	andy.gross@linaro.org, dianders@chromium.org,
	David Brown <david.brown@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Zhang Rui <rui.zhang@intel.com>,
	linux-soc@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org
Subject: Re: [PATCH v1 01/10] arm/arm64: dts: msm8974/msm8916: thermal: Split address space into two
Date: Thu, 9 Aug 2018 12:10:59 -0700
Message-ID: <20180809191059.GI160295@google.com> (raw)
In-Reply-To: <d01f560abed221b536b27bfaa42a530257642974.1533815718.git.amit.kucheria@linaro.org>

On Thu, Aug 09, 2018 at 06:02:33PM +0530, Amit Kucheria wrote:
> We've earlier added support to split the register address space into TM
> and SROT regions.
> 
> Split up the regmap address space into two for the remaining platforms that
> have a similar register layout and make corresponding changes to the
> get_temp_common() function used by these platforms.
> 
> Since tsens-common.c/init_common() currently only registers one address
> space, the order is important (TM before SROT).  This is OK since the code
> doesn't really use the SROT functionality yet.
> 
> Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
> ---
>  arch/arm/boot/dts/qcom-msm8974.dtsi   | 6 ++++--
>  arch/arm64/boot/dts/qcom/msm8916.dtsi | 6 ++++--
>  drivers/thermal/qcom/tsens-common.c   | 5 +++--
>  3 files changed, 11 insertions(+), 6 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
> index d9019a49b292..3c4b81c29798 100644
> --- a/arch/arm/boot/dts/qcom-msm8974.dtsi
> +++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
> @@ -427,11 +427,13 @@
>  			};
>  		};
>  
> -		tsens: thermal-sensor@fc4a8000 {
> +		tsens: thermal-sensor@fc4a9000 {
>  			compatible = "qcom,msm8974-tsens";
> -			reg = <0xfc4a8000 0x2000>;
> +			reg = <0xfc4a9000 0x1000>, /* TM */
> +			      <0xfc4a8000 0x1000>; /* SROT */
>  			nvmem-cells = <&tsens_calib>, <&tsens_backup>;
>  			nvmem-cell-names = "calib", "calib_backup";
> +			#qcom,sensors = <11>;

nit: adding the number of sensors isn't directly related and probably
should be in a separate patch. Not important enough to re-spin just
for this though ;-)

>  			#thermal-sensor-cells = <1>;
>  		};
>  
> diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
> index cc1040eacdf5..abf84df5a7bc 100644
> --- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
> @@ -774,11 +774,13 @@
>  			};
>  		};
>  
> -		tsens: thermal-sensor@4a8000 {
> +		tsens: thermal-sensor@4a9000 {
>  			compatible = "qcom,msm8916-tsens";
> -			reg = <0x4a8000 0x2000>;
> +			reg = <0x4a9000 0x1000>, /* TM */
> +			      <0x4a8000 0x1000>; /* SROT */
>  			nvmem-cells = <&tsens_caldata>, <&tsens_calsel>;
>  			nvmem-cell-names = "calib", "calib_sel";
> +			#qcom,sensors = <5>;

ditto

>  			#thermal-sensor-cells = <1>;
>  		};
>  
> diff --git a/drivers/thermal/qcom/tsens-common.c b/drivers/thermal/qcom/tsens-common.c
> index 6207d8d92351..478739543bbc 100644
> --- a/drivers/thermal/qcom/tsens-common.c
> +++ b/drivers/thermal/qcom/tsens-common.c
> @@ -21,7 +21,7 @@
>  #include <linux/regmap.h>
>  #include "tsens.h"
>  
> -#define S0_ST_ADDR		0x1030
> +#define STATUS_OFFSET		0x30
>  #define SN_ADDR_OFFSET		0x4
>  #define SN_ST_TEMP_MASK		0x3ff
>  #define CAL_DEGC_PT1		30
> @@ -107,8 +107,9 @@ int get_temp_common(struct tsens_device *tmdev, int id, int *temp)
>  	unsigned int status_reg;
>  	int last_temp = 0, ret;
>  
> -	status_reg = S0_ST_ADDR + s->hw_id * SN_ADDR_OFFSET;
> +	status_reg = tmdev->tm_offset + STATUS_OFFSET + s->hw_id * SN_ADDR_OFFSET;
>  	ret = regmap_read(tmdev->map, status_reg, &code);
> +
>  	if (ret)
>  		return ret;
>  	last_temp = code & SN_ST_TEMP_MASK;

Reviewed-by: Matthias Kaehlcke <mka@chromium.org>

  reply index

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-09 12:32 [PATCH v1 00/10] Another round of tsens cleanups Amit Kucheria
2018-08-09 12:32 ` [PATCH v1 01/10] arm/arm64: dts: msm8974/msm8916: thermal: Split address space into two Amit Kucheria
2018-08-09 19:10   ` Matthias Kaehlcke [this message]
2018-08-10  4:50     ` Amit Kucheria
2018-08-24 23:21   ` Eduardo Valentin
2018-08-24 23:27   ` Eduardo Valentin
2018-08-27 12:54     ` Amit Kucheria
2018-08-09 12:32 ` [PATCH v1 02/10] dt-bindings: thermal: Fix a typo in documentation Amit Kucheria
2018-08-09 19:16   ` Matthias Kaehlcke
2018-08-13 21:49   ` Rob Herring
2018-08-24 23:24   ` Eduardo Valentin
2018-08-31  8:14     ` Daniel Lezcano
2018-08-09 12:32 ` [PATCH v1 03/10] thermal: tsens: Add SPDX license identifiers Amit Kucheria
2018-08-09 19:19   ` Matthias Kaehlcke
2018-08-09 12:32 ` [PATCH v1 04/10] thermal: tsens: Get rid of dead code Amit Kucheria
2018-08-09 19:23   ` Matthias Kaehlcke
2018-08-09 12:32 ` [PATCH v1 05/10] thermal: tsens: Rename map field in order to add a second address map Amit Kucheria
2018-08-09 19:32   ` Matthias Kaehlcke
2018-08-09 12:32 ` [PATCH v1 06/10] thermal: tsens: Add the SROT " Amit Kucheria
2018-08-09 19:46   ` Matthias Kaehlcke
2018-08-09 12:32 ` [PATCH v1 07/10] thermal: tsens: Check if the IP is correctly enabled by firmware Amit Kucheria
2018-08-09 20:37   ` Matthias Kaehlcke
2018-08-24 23:30   ` Eduardo Valentin
2018-08-27 13:04     ` Amit Kucheria
2018-08-09 12:32 ` [PATCH v1 08/10] thermal: tsens: Get rid of 'id' field Amit Kucheria
2018-08-09 20:55   ` Matthias Kaehlcke
2018-08-09 12:32 ` [PATCH v1 09/10] arm64: dts: qcom: Add reg-names for all tsens nodes Amit Kucheria
2018-08-09 21:05   ` Matthias Kaehlcke
2018-08-09 12:32 ` [PATCH v1 10/10] MAINTAINERS: Add entry for Qualcomm TSENS thermal drivers Amit Kucheria
2018-08-09 21:08   ` Matthias Kaehlcke
2018-08-14  5:11   ` Rajendra Nayak

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