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[109.15.145.210]) by smtp.googlemail.com with ESMTPSA id i14-20020adff30e000000b002368a6deaf8sm3316948wro.57.2022.11.18.03.04.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Nov 2022 03:04:43 -0800 (PST) From: Amjad Ouled-Ameur Date: Fri, 18 Nov 2022 12:04:27 +0100 Subject: [PATCH v7 1/4] dt-bindings: thermal: mediatek: add binding documentation for MT8365 SoC MIME-Version: 1.0 Message-Id: <20221018-up-i350-thermal-bringup-v7-1-ebf08ff2eddb@baylibre.com> References: <20221018-up-i350-thermal-bringup-v7-0-ebf08ff2eddb@baylibre.com> In-Reply-To: <20221018-up-i350-thermal-bringup-v7-0-ebf08ff2eddb@baylibre.com> To: "Rafael J. Wysocki" , Daniel Lezcano , Amit Kucheria , Rob Herring , Krzysztof Kozlowski , Zhang Rui Cc: AngeloGioacchino Del Regno , Fabien Parent , Matthias Brugger , Markus Schneider-Pargmann , linux-pm@vger.kernel.org, Rob Herring , Michael Kao , linux-kernel@vger.kernel.org, Hsin-Yi Wang , Amjad Ouled-Ameur , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org X-Mailer: b4 0.10.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1668769481; l=1269; i=aouledameur@baylibre.com; s=20220920; h=from:subject:message-id; bh=fY1CncUk6oCKZLxDY+iXmY9IFHJPxuBaTQTmU142aZo=; b=Oqt0uOOMB8WLDgzdVBOKBcnTWdGXbWz+ipYlESQz5dRiUdvgrn/7hHmra43XQrdY49ee/m/RuMPb tUHkhzfMA8azF4mWIrudIIRQqMDPrbMJ5OHNnqlI88SliBqaaPis X-Developer-Key: i=aouledameur@baylibre.com; a=ed25519; pk=HgYWawSL4qLGPx+RzJ+Cuu+V8Pi/KQnDDm1wjWPMOFE= X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1749831833581810762?= X-GMAIL-MSGID: =?utf-8?q?1749831833581810762?= From: Fabien Parent Add the binding documentation for the thermal support on MT8365 SoC. Signed-off-by: Fabien Parent Signed-off-by: Amjad Ouled-Ameur Reviewed-by: Matthias Brugger Reviewed-by: AngeloGioacchino Del Regno Acked-by: Rob Herring --- Documentation/devicetree/bindings/thermal/mediatek-thermal.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/thermal/mediatek-thermal.txt b/Documentation/devicetree/bindings/thermal/mediatek-thermal.txt index 5c7e7bdd029a..ba4ebffeade4 100644 --- a/Documentation/devicetree/bindings/thermal/mediatek-thermal.txt +++ b/Documentation/devicetree/bindings/thermal/mediatek-thermal.txt @@ -14,6 +14,7 @@ Required properties: - "mediatek,mt2712-thermal" : For MT2712 family of SoCs - "mediatek,mt7622-thermal" : For MT7622 SoC - "mediatek,mt8183-thermal" : For MT8183 family of SoCs + - "mediatek,mt8365-thermal" : For MT8365 family of SoCs - "mediatek,mt8516-thermal", "mediatek,mt2701-thermal : For MT8516 family of SoCs - reg: Address range of the thermal controller - interrupts: IRQ for the thermal controller From patchwork Fri Nov 18 11:04:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amjad Ouled-Ameur X-Patchwork-Id: 22266 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:f944:0:0:0:0:0 with SMTP id q4csp126896wrr; Fri, 18 Nov 2022 03:08:31 -0800 (PST) X-Google-Smtp-Source: AA0mqf5N8YuGyz55RPcuHWSIw3j08Zx3O/dWymfnnxlJEJzmlGYdvS0mHlU53gL3QYMYN00b/YQ8 X-Received: by 2002:a17:90b:234d:b0:212:c06c:47ba with SMTP id ms13-20020a17090b234d00b00212c06c47bamr13519433pjb.131.1668769710943; Fri, 18 Nov 2022 03:08:30 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1668769710; cv=none; d=google.com; s=arc-20160816; b=NagPI7Xz+CnQSLzFypWXOQz24ZbNrOxqhbpO1MKo8/zYxyxxZ8TC9oUnHoBiPS2gd+ dBPm9TL7OcT9If4OZgzHTmTYL3wwYkvoK8UAt+/o7W/SKKWSsUqrkGa68hnNksVshBam aDQzg2P8stymc6Fy3mkQy7a1qZ0MDBx+M3kkswzVd51K/WlD83TWEYqv9DKO1gWGR5MA fdcDRC+vrlcunXReapwMA0xAKGL9R/Gum5p9q7e2jAvPqCBoiC2hME9psnQRFKpU7+Xk IgKG07DmeHH64cl4SYbRhhmF8y6bfrl7pX7u0up/Mp+TryJDUnbs+U0zrz1tkAhFgNVc moFw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:subject:date:from :dkim-signature; bh=fyeoHLNYgE+7jRWrI7Gid0gjC7DyyjDTDuyVioxNv2s=; b=ENNVYSmCNryeUVBXjqe1OSKmSsVW/AdlxIGDe9u+FWAdXUs0BlJVh7sgGa1AkTR5Qg wTCP6l2rMTzyXujFkGXn/sKaaTssP2Oy+w9Wv15vaeHmXcJbhcO7rsgVFX+AxU4ibdXQ 5s0WEqYz5zichLBjX3ipPBi54oW43/9s830jXOrxxAKUQBqz8JFCysjhBjPgtrjIEDHZ hGKvkLPPPoJXfnTNDlObQ6Xcr3yDL98QdPnNFQIoCsf0scqyKHlNdeb/GbYgM5UHTfkD bbRiTkX9OGeYHXbfIGwwPQt0cRgLpMyVYekjyUlcK1zJt7w9+yjF+0i6M/DmgeA4brQW kumw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@baylibre-com.20210112.gappssmtp.com header.s=20210112 header.b=lnmpQeD2; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. 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[109.15.145.210]) by smtp.googlemail.com with ESMTPSA id i14-20020adff30e000000b002368a6deaf8sm3316948wro.57.2022.11.18.03.04.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Nov 2022 03:04:44 -0800 (PST) From: Amjad Ouled-Ameur Date: Fri, 18 Nov 2022 12:04:28 +0100 Subject: [PATCH v7 2/4] thermal: mediatek: control buffer enablement tweaks MIME-Version: 1.0 Message-Id: <20221018-up-i350-thermal-bringup-v7-2-ebf08ff2eddb@baylibre.com> References: <20221018-up-i350-thermal-bringup-v7-0-ebf08ff2eddb@baylibre.com> In-Reply-To: <20221018-up-i350-thermal-bringup-v7-0-ebf08ff2eddb@baylibre.com> To: "Rafael J. Wysocki" , Daniel Lezcano , Amit Kucheria , Rob Herring , Krzysztof Kozlowski , Zhang Rui Cc: AngeloGioacchino Del Regno , Fabien Parent , Matthias Brugger , Markus Schneider-Pargmann , linux-pm@vger.kernel.org, Rob Herring , Michael Kao , linux-kernel@vger.kernel.org, Hsin-Yi Wang , Amjad Ouled-Ameur , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org X-Mailer: b4 0.10.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1668769481; l=2549; i=aouledameur@baylibre.com; s=20220920; h=from:subject:message-id; bh=BUYgiWUyEmLmv5YqBlzSOjPnRULIXZAPNGFdkdhmkOQ=; b=Hv/1oPehOoXJm/XPVk7GdRrpDq0r896Pz2DLWRzc0Hg/KUFU6HAQy0YmZUyUyIRjhZhl4uRFoH0m e7doajURDSExpVZ7R7vTDgdxAvRfsQ+qgSKZRaBIbMZjJeA6LcBF X-Developer-Key: i=aouledameur@baylibre.com; a=ed25519; pk=HgYWawSL4qLGPx+RzJ+Cuu+V8Pi/KQnDDm1wjWPMOFE= X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1749831868424861786?= X-GMAIL-MSGID: =?utf-8?q?1749831868424861786?= From: Markus Schneider-Pargmann Add logic in order to be able to turn on the control buffer on MT8365. This change now allows to have control buffer support for MTK_THERMAL_V1, and it allows to define the register offset, and mask used to enable it. Signed-off-by: Markus Schneider-Pargmann Signed-off-by: Fabien Parent Signed-off-by: Amjad Ouled-Ameur Reviewed-by: AngeloGioacchino Del Regno --- drivers/thermal/mtk_thermal.c | 25 ++++++++++++++++++------- 1 file changed, 18 insertions(+), 7 deletions(-) diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c index 8440692e3890..d8ddceb75372 100644 --- a/drivers/thermal/mtk_thermal.c +++ b/drivers/thermal/mtk_thermal.c @@ -271,6 +271,9 @@ struct mtk_thermal_data { bool need_switch_bank; struct thermal_bank_cfg bank_data[MAX_NUM_ZONES]; enum mtk_thermal_version version; + u32 apmixed_buffer_ctl_reg; + u32 apmixed_buffer_ctl_mask; + u32 apmixed_buffer_ctl_set; }; struct mtk_thermal { @@ -514,6 +517,9 @@ static const struct mtk_thermal_data mt7622_thermal_data = { .adcpnp = mt7622_adcpnp, .sensor_mux_values = mt7622_mux_values, .version = MTK_THERMAL_V2, + .apmixed_buffer_ctl_reg = APMIXED_SYS_TS_CON1, + .apmixed_buffer_ctl_mask = GENMASK(31, 6) | BIT(3), + .apmixed_buffer_ctl_set = BIT(0), }; /* @@ -963,14 +969,18 @@ static const struct of_device_id mtk_thermal_of_match[] = { }; MODULE_DEVICE_TABLE(of, mtk_thermal_of_match); -static void mtk_thermal_turn_on_buffer(void __iomem *apmixed_base) +static void mtk_thermal_turn_on_buffer(struct mtk_thermal *mt, + void __iomem *apmixed_base) { - int tmp; + u32 tmp; + + if (!mt->conf->apmixed_buffer_ctl_reg) + return; - tmp = readl(apmixed_base + APMIXED_SYS_TS_CON1); - tmp &= ~(0x37); - tmp |= 0x1; - writel(tmp, apmixed_base + APMIXED_SYS_TS_CON1); + tmp = readl(apmixed_base + mt->conf->apmixed_buffer_ctl_reg); + tmp &= mt->conf->apmixed_buffer_ctl_mask; + tmp |= mt->conf->apmixed_buffer_ctl_set; + writel(tmp, apmixed_base + mt->conf->apmixed_buffer_ctl_reg); udelay(200); } @@ -1070,8 +1080,9 @@ static int mtk_thermal_probe(struct platform_device *pdev) goto err_disable_clk_auxadc; } + mtk_thermal_turn_on_buffer(mt, apmixed_base); + if (mt->conf->version == MTK_THERMAL_V2) { - mtk_thermal_turn_on_buffer(apmixed_base); mtk_thermal_release_periodic_ts(mt, auxadc_base); } From patchwork Fri Nov 18 11:04:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amjad Ouled-Ameur X-Patchwork-Id: 22265 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:f944:0:0:0:0:0 with SMTP id q4csp126803wrr; Fri, 18 Nov 2022 03:08:19 -0800 (PST) X-Google-Smtp-Source: AA0mqf7uuKolbhtIB2MdAFYyDBrsY/pifJ8g+cM52SOjuKbUe3gvHWu/C9jWScy9twX1P7GzpSyp X-Received: by 2002:a05:6a00:2396:b0:56c:318a:f808 with SMTP id f22-20020a056a00239600b0056c318af808mr7448922pfc.11.1668769699357; Fri, 18 Nov 2022 03:08:19 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1668769699; cv=none; d=google.com; s=arc-20160816; b=cIBG3TOR15b6q7QNcKIgSdbmZEuSw9eetwazNUH/6vaRGvI+eModBdnRgImAC0EFE1 ifREVe4XR3lsvIY/OGsgYofegHIGuVj9Iv/7RGSLdPG57cjRiKZEdomwClwxKm6Nwr9S YoZow1u/yDAWweWg36ln8x4hIdcHjTbyz/Smm1CWPkIRrNpXvNXUbd+k9gmvbu1v0yLT ew2pFlF5JKlhWjy/R12GHEGO+4GwLklBSltQnZgjzexfnVmNK7621+BNzRN98BnuPqFj K3fS24+vm1LK2YrFxCgOwQc9svxm6fvR7NF21QDW1lt6TZeCTTfwMC6B9drM97qEWn3A zm+w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:subject:date:from :dkim-signature; bh=JEWwvjO7xGoxwjM+6BZt85KGa3T/LYZTSrJmbqTF3bU=; b=iePSLAYPsE5LhTt6DnXLnG62iwqm5fFI21vkhlOhI00un4fmnReG8lYIT89lh073GA 7KzanBGRx64JknBkzMcFWMQtm4TvpsP1Pdj/b/EWPbVRNQPwIRZwDTH+6csOdP6YzeRR to0h5JfXdvqQ3gMcWf14f+yB0h9XrQ4Yxra/YexdcRkaktstKELboTqCys3yzfNx2a5h KvrwBzpfw2dYw7TaI8TffAmdZc/djBAKJK06ujIOL8gEhXucEVbzHV4wwXTxNR++szfV kDwDT9jrKN0MRnCsFZMYQzgxoAPgQWhylc1s6pvy7gz7fhG2lPyT/F87DJ5Fi9LJf53D 9IQA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@baylibre-com.20210112.gappssmtp.com header.s=20210112 header.b=MxkqzHNX; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. 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[109.15.145.210]) by smtp.googlemail.com with ESMTPSA id i14-20020adff30e000000b002368a6deaf8sm3316948wro.57.2022.11.18.03.04.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Nov 2022 03:04:45 -0800 (PST) From: Amjad Ouled-Ameur Date: Fri, 18 Nov 2022 12:04:29 +0100 Subject: [PATCH v7 3/4] thermal: mediatek: add support for MT8365 SoC MIME-Version: 1.0 Message-Id: <20221018-up-i350-thermal-bringup-v7-3-ebf08ff2eddb@baylibre.com> References: <20221018-up-i350-thermal-bringup-v7-0-ebf08ff2eddb@baylibre.com> In-Reply-To: <20221018-up-i350-thermal-bringup-v7-0-ebf08ff2eddb@baylibre.com> To: "Rafael J. Wysocki" , Daniel Lezcano , Amit Kucheria , Rob Herring , Krzysztof Kozlowski , Zhang Rui Cc: AngeloGioacchino Del Regno , Fabien Parent , Matthias Brugger , Markus Schneider-Pargmann , linux-pm@vger.kernel.org, Rob Herring , Michael Kao , linux-kernel@vger.kernel.org, Hsin-Yi Wang , Amjad Ouled-Ameur , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org X-Mailer: b4 0.10.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1668769481; l=4121; i=aouledameur@baylibre.com; s=20220920; h=from:subject:message-id; bh=HsISGoJEL6++3d6wc/n5aLyLD13GWmaS4gC5p+H31oE=; b=qIXNFOnmEaHDRp+6JyJy65AdFiqJFAcK2ZdjoYntRPxQ7dWrOTTzB89mSHuqLWQ5c7SSUpqaXv8H e+EUMsKuAZwqt0yWVTZMi2He74hQr4qhfsD18P72k1kKjuYiphtj X-Developer-Key: i=aouledameur@baylibre.com; a=ed25519; pk=HgYWawSL4qLGPx+RzJ+Cuu+V8Pi/KQnDDm1wjWPMOFE= X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1749831856372104596?= X-GMAIL-MSGID: =?utf-8?q?1749831856372104596?= From: Fabien Parent MT8365 is similar to the other SoCs supported by the driver. It has only one bank and 3 actual sensors that can be multiplexed. There is another one sensor that does not have usable data. Signed-off-by: Fabien Parent Signed-off-by: Amjad Ouled-Ameur Reviewed-by: AngeloGioacchino Del Regno --- drivers/thermal/mtk_thermal.c | 68 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c index d8ddceb75372..3a5df1440822 100644 --- a/drivers/thermal/mtk_thermal.c +++ b/drivers/thermal/mtk_thermal.c @@ -31,6 +31,7 @@ #define AUXADC_CON2_V 0x010 #define AUXADC_DATA(channel) (0x14 + (channel) * 4) +#define APMIXED_SYS_TS_CON0 0x600 #define APMIXED_SYS_TS_CON1 0x604 /* Thermal Controller Registers */ @@ -245,6 +246,17 @@ enum mtk_thermal_version { /* The calibration coefficient of sensor */ #define MT8183_CALIBRATION 153 +/* MT8365 */ +#define MT8365_TEMP_AUXADC_CHANNEL 11 +#define MT8365_CALIBRATION 164 +#define MT8365_NUM_CONTROLLER 1 +#define MT8365_NUM_BANKS 1 +#define MT8365_NUM_SENSORS 3 +#define MT8365_NUM_SENSORS_PER_ZONE 3 +#define MT8365_TS1 0 +#define MT8365_TS2 1 +#define MT8365_TS3 2 + struct mtk_thermal; struct thermal_bank_cfg { @@ -389,6 +401,24 @@ static const int mt7622_mux_values[MT7622_NUM_SENSORS] = { 0, }; static const int mt7622_vts_index[MT7622_NUM_SENSORS] = { VTS1 }; static const int mt7622_tc_offset[MT7622_NUM_CONTROLLER] = { 0x0, }; +/* MT8365 thermal sensor data */ +static const int mt8365_bank_data[MT8365_NUM_SENSORS] = { + MT8365_TS1, MT8365_TS2, MT8365_TS3 +}; + +static const int mt8365_msr[MT8365_NUM_SENSORS_PER_ZONE] = { + TEMP_MSR0, TEMP_MSR1, TEMP_MSR2 +}; + +static const int mt8365_adcpnp[MT8365_NUM_SENSORS_PER_ZONE] = { + TEMP_ADCPNP0, TEMP_ADCPNP1, TEMP_ADCPNP2 +}; + +static const int mt8365_mux_values[MT8365_NUM_SENSORS] = { 0, 1, 2 }; +static const int mt8365_tc_offset[MT8365_NUM_CONTROLLER] = { 0 }; + +static const int mt8365_vts_index[MT8365_NUM_SENSORS] = { VTS1, VTS2, VTS3 }; + /* * The MT8173 thermal controller has four banks. Each bank can read up to * four temperature sensors simultaneously. The MT8173 has a total of 5 @@ -463,6 +493,40 @@ static const struct mtk_thermal_data mt2701_thermal_data = { .version = MTK_THERMAL_V1, }; +/* + * The MT8365 thermal controller has one bank, which can read up to + * four temperature sensors simultaneously. The MT8365 has a total of 3 + * temperature sensors. + * + * The thermal core only gets the maximum temperature of this one bank, + * so the bank concept wouldn't be necessary here. However, the SVS (Smart + * Voltage Scaling) unit makes its decisions based on the same bank + * data. + */ +static const struct mtk_thermal_data mt8365_thermal_data = { + .auxadc_channel = MT8365_TEMP_AUXADC_CHANNEL, + .num_banks = MT8365_NUM_BANKS, + .num_sensors = MT8365_NUM_SENSORS, + .vts_index = mt8365_vts_index, + .cali_val = MT8365_CALIBRATION, + .num_controller = MT8365_NUM_CONTROLLER, + .controller_offset = mt8365_tc_offset, + .need_switch_bank = false, + .bank_data = { + { + .num_sensors = MT8365_NUM_SENSORS, + .sensors = mt8365_bank_data + }, + }, + .msr = mt8365_msr, + .adcpnp = mt8365_adcpnp, + .sensor_mux_values = mt8365_mux_values, + .version = MTK_THERMAL_V1, + .apmixed_buffer_ctl_reg = APMIXED_SYS_TS_CON0, + .apmixed_buffer_ctl_mask = (u32) ~GENMASK(29, 28), + .apmixed_buffer_ctl_set = 0, +}; + /* * The MT2712 thermal controller has one bank, which can read up to * four temperature sensors simultaneously. The MT2712 has a total of 4 @@ -964,6 +1028,10 @@ static const struct of_device_id mtk_thermal_of_match[] = { { .compatible = "mediatek,mt8183-thermal", .data = (void *)&mt8183_thermal_data, + }, + { + .compatible = "mediatek,mt8365-thermal", + .data = (void *)&mt8365_thermal_data, }, { }, }; From patchwork Fri Nov 18 11:04:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amjad Ouled-Ameur X-Patchwork-Id: 22267 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:f944:0:0:0:0:0 with SMTP id q4csp126904wrr; Fri, 18 Nov 2022 03:08:33 -0800 (PST) X-Google-Smtp-Source: AA0mqf69aes48PCBQ6L5+3LCQFfhHSIkO0RNyFUR03u5jqqg7pD/L0RC26An/eI4RlRiDuMW8hiW X-Received: by 2002:a17:903:12d3:b0:186:a394:aef7 with SMTP id io19-20020a17090312d300b00186a394aef7mr7203298plb.79.1668769712824; Fri, 18 Nov 2022 03:08:32 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1668769712; cv=none; d=google.com; s=arc-20160816; b=YBJ0uBRJSHNhXBKf0j1Pc8FWdooNCXzGNLqz5nwg5OjWiPlIQP20CC1Px8TSbvAVd0 x9JESKSA+EUc6V9Fl+NQB8EAqArTYcrdxCwnM9ZbkgOmtibB+vLaxu39/bU8l1vHY9su Y0HuxLBKPP4xFCfij30Yc+cZ/dBatkWDPj0H1Ol8tFGwe0/fo4qUQ1mESZLFf++ZMFoU k8IDuZJNs1sGEvrlL54FfsienCtGaL5nq2WqBAbNrr7nX3deoQjNMUusQgecTN17qJoG qIJUA7+0rz59Gpc8mAAK3WtTYWj2aa09BXI6aWRwevvrQgUgylEmuKxVLnXLFmjfMzD+ yZZA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:subject:date:from :dkim-signature; bh=BXRPB3JgawBUJiVUofK6OmJyzttuKnkImFf/wIqxXmQ=; b=HIX4erPG6ruzspOc9GIA5na5/sc/EE7XZkwEPLFCadIsAMjk7ohj0JULAJIP+D6Qov aVBO7Q/BZpZ9iEWiJLDPENGinfbV7WzZczgjflvMHT9FLl71WgyzxCraA/eTaEVgIqbh 9G9h1O+tK72l/zNhLg9AgIe+OsBOK2ehiLy7fQ5OkVY0rVjs/pa73Z4XUunTDQ9vuIhl J/RDc5bLfKtARaZ2axDppglDxOq+MudqTbPsAw0UGEw6PxMF9aAegDlO5OopoT8SjuaK cVva6jaI0jaP50dV/6o4MkgTWNhzSu3tGoOr1CSUgQ3Csq6DwULGTDp2i95V2yBHWwPV A/6w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@baylibre-com.20210112.gappssmtp.com header.s=20210112 header.b=KXz1x7PV; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. 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[109.15.145.210]) by smtp.googlemail.com with ESMTPSA id i14-20020adff30e000000b002368a6deaf8sm3316948wro.57.2022.11.18.03.04.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Nov 2022 03:04:46 -0800 (PST) From: Amjad Ouled-Ameur Date: Fri, 18 Nov 2022 12:04:30 +0100 Subject: [PATCH v7 4/4] thermal: mediatek: add another get_temp ops for thermal sensors MIME-Version: 1.0 Message-Id: <20221018-up-i350-thermal-bringup-v7-4-ebf08ff2eddb@baylibre.com> References: <20221018-up-i350-thermal-bringup-v7-0-ebf08ff2eddb@baylibre.com> In-Reply-To: <20221018-up-i350-thermal-bringup-v7-0-ebf08ff2eddb@baylibre.com> To: "Rafael J. Wysocki" , Daniel Lezcano , Amit Kucheria , Rob Herring , Krzysztof Kozlowski , Zhang Rui Cc: AngeloGioacchino Del Regno , Fabien Parent , Matthias Brugger , Markus Schneider-Pargmann , linux-pm@vger.kernel.org, Rob Herring , Michael Kao , linux-kernel@vger.kernel.org, Hsin-Yi Wang , Amjad Ouled-Ameur , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org X-Mailer: b4 0.10.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1668769481; l=5806; i=aouledameur@baylibre.com; s=20220920; h=from:subject:message-id; bh=5USa4lcv1habf94U1XG70OWqS+dbiiwFE4XST76LPQw=; b=q86fGiC3Ko/ELXbxUMsvp4Vbrh6THMSWdimMwXIsJH+k/u3tdJb48xYGQChhrRRufTNbxy5XmkZE kcwXutTNAvno1UuMFE6rPBUgiToMXKGm3WKQ5GYFs0QFwK6+uWJg X-Developer-Key: i=aouledameur@baylibre.com; a=ed25519; pk=HgYWawSL4qLGPx+RzJ+Cuu+V8Pi/KQnDDm1wjWPMOFE= X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1749831870533570787?= X-GMAIL-MSGID: =?utf-8?q?1749831870533570787?= Provide thermal zone to read thermal sensor in the SoC. We can read all the thermal sensors value in the SoC by the node /sys/class/thermal/ In mtk_thermal_bank_temperature, return -EAGAIN instead of -EACCESS on the first read of sensor that often are bogus values. This can avoid following warning on boot: thermal thermal_zone6: failed to read out thermal zone (-13) Signed-off-by: Michael Kao Signed-off-by: Hsin-Yi Wang Signed-off-by: Amjad Ouled-Ameur Reviewed-by: AngeloGioacchino Del Regno --- drivers/thermal/mtk_thermal.c | 99 ++++++++++++++++++++++++++++++++----------- 1 file changed, 74 insertions(+), 25 deletions(-) diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c index 3a5df1440822..b1f4d19edd4f 100644 --- a/drivers/thermal/mtk_thermal.c +++ b/drivers/thermal/mtk_thermal.c @@ -259,6 +259,11 @@ enum mtk_thermal_version { struct mtk_thermal; +struct mtk_thermal_zone { + struct mtk_thermal *mt; + int id; +}; + struct thermal_bank_cfg { unsigned int num_sensors; const int *sensors; @@ -307,6 +312,8 @@ struct mtk_thermal { const struct mtk_thermal_data *conf; struct mtk_thermal_bank banks[MAX_NUM_ZONES]; + + int (*raw_to_mcelsius)(struct mtk_thermal *mt, int sensno, s32 raw); }; /* MT8183 thermal sensor data */ @@ -709,6 +716,29 @@ static void mtk_thermal_put_bank(struct mtk_thermal_bank *bank) mutex_unlock(&mt->lock); } +static int _get_sensor_temp(struct mtk_thermal *mt, int id) +{ + u32 raw; + int temp; + + const struct mtk_thermal_data *conf = mt->conf; + + raw = readl(mt->thermal_base + conf->msr[id]); + + temp = mt->raw_to_mcelsius(mt, id, raw); + + /* + * The first read of a sensor often contains very high bogus + * temperature value. Filter these out so that the system does + * not immediately shut down. + */ + + if (temp > 200000) + return -EAGAIN; + else + return temp; +} + /** * mtk_thermal_bank_temperature - get the temperature of a bank * @bank: The bank @@ -721,26 +751,9 @@ static int mtk_thermal_bank_temperature(struct mtk_thermal_bank *bank) struct mtk_thermal *mt = bank->mt; const struct mtk_thermal_data *conf = mt->conf; int i, temp = INT_MIN, max = INT_MIN; - u32 raw; for (i = 0; i < conf->bank_data[bank->id].num_sensors; i++) { - raw = readl(mt->thermal_base + conf->msr[i]); - - if (mt->conf->version == MTK_THERMAL_V1) { - temp = raw_to_mcelsius_v1( - mt, conf->bank_data[bank->id].sensors[i], raw); - } else { - temp = raw_to_mcelsius_v2( - mt, conf->bank_data[bank->id].sensors[i], raw); - } - - /* - * The first read of a sensor often contains very high bogus - * temperature value. Filter these out so that the system does - * not immediately shut down. - */ - if (temp > 200000) - temp = 0; + temp = _get_sensor_temp(mt, i); if (temp > max) max = temp; @@ -749,9 +762,10 @@ static int mtk_thermal_bank_temperature(struct mtk_thermal_bank *bank) return max; } -static int mtk_read_temp(struct thermal_zone_device *tz, int *temperature) +static int mtk_read_temp(struct thermal_zone_device *tzdev, int *temperature) { - struct mtk_thermal *mt = tz->devdata; + struct mtk_thermal_zone *tz = tzdev->devdata; + struct mtk_thermal *mt = tz->mt; int i; int tempmax = INT_MIN; @@ -770,10 +784,28 @@ static int mtk_read_temp(struct thermal_zone_device *tz, int *temperature) return 0; } +static int mtk_read_sensor_temp(struct thermal_zone_device *tzdev, int *temperature) +{ + struct mtk_thermal_zone *tz = tzdev->devdata; + struct mtk_thermal *mt = tz->mt; + int id = tz->id - 1; + + if (id < 0) + return -EACCES; + + *temperature = _get_sensor_temp(mt, id); + + return 0; +} + static const struct thermal_zone_device_ops mtk_thermal_ops = { .get_temp = mtk_read_temp, }; +static const struct thermal_zone_device_ops mtk_thermal_sensor_ops = { + .get_temp = mtk_read_sensor_temp, +}; + static void mtk_thermal_init_bank(struct mtk_thermal *mt, int num, u32 apmixed_phys_base, u32 auxadc_phys_base, int ctrl_id) @@ -1072,6 +1104,7 @@ static int mtk_thermal_probe(struct platform_device *pdev) u64 auxadc_phys_base, apmixed_phys_base; struct thermal_zone_device *tzdev; void __iomem *apmixed_base, *auxadc_base; + struct mtk_thermal_zone *tz; mt = devm_kzalloc(&pdev->dev, sizeof(*mt), GFP_KERNEL); if (!mt) @@ -1150,6 +1183,9 @@ static int mtk_thermal_probe(struct platform_device *pdev) mtk_thermal_turn_on_buffer(mt, apmixed_base); + mt->raw_to_mcelsius = (mt->conf->version == MTK_THERMAL_V1) ? + raw_to_mcelsius_v1 : raw_to_mcelsius_v2; + if (mt->conf->version == MTK_THERMAL_V2) { mtk_thermal_release_periodic_ts(mt, auxadc_base); } @@ -1161,11 +1197,24 @@ static int mtk_thermal_probe(struct platform_device *pdev) platform_set_drvdata(pdev, mt); - tzdev = devm_thermal_of_zone_register(&pdev->dev, 0, mt, - &mtk_thermal_ops); - if (IS_ERR(tzdev)) { - ret = PTR_ERR(tzdev); - goto err_disable_clk_peri_therm; + for (i = 0; i < mt->conf->num_sensors + 1; i++) { + tz = devm_kmalloc(&pdev->dev, sizeof(*tz), GFP_KERNEL); + if (!tz) + return -ENOMEM; + + tz->mt = mt; + tz->id = i; + + tzdev = devm_thermal_of_zone_register(&pdev->dev, i, tz, (i == 0) ? + &mtk_thermal_ops : + &mtk_thermal_sensor_ops); + + if (IS_ERR(tzdev)) { + ret = PTR_ERR(tzdev); + if (ret == -ENODEV) + continue; + goto err_disable_clk_peri_therm; + } } ret = devm_thermal_add_hwmon_sysfs(tzdev);