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Fri, 12 Apr 2024 19:03:25 +0000 From: Volodymyr Babchuk To: "linux-arm-msm@vger.kernel.org" CC: Stephan Gerhold , Volodymyr Babchuk , "stable@vger.kernel.org" , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bhupesh Sharma , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: [PATCH v3 1/2] arm64: dts: qcom: sa8155p-adp: fix SDHC2 CD pin configuration Thread-Topic: [PATCH v3 1/2] arm64: dts: qcom: sa8155p-adp: fix SDHC2 CD pin configuration Thread-Index: AQHajQwYOQ9To8w33EaflpLdE0ZqmQ== Date: Fri, 12 Apr 2024 19:03:25 +0000 Message-ID: <20240412190310.1647893-1-volodymyr_babchuk@epam.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.44.0 x-ms-publictraffictype: Email x-ms-traffictypediagnostic: GV1PR03MB10456:EE_|PAXPR03MB7934:EE_ x-ms-office365-filtering-correlation-id: c3e3711f-1c08-4dfa-24fb-08dc5b233b52 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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SoC's gpio4 is used for DWMAC TX. If sdhc driver probes after dwmac driver, it reconfigures gpio4 and this breaks Ethernet MAC. - pinctrl configuration mentions gpio96 as CD pin. It seems it was copied from some SM8150 example, because as mentioned above, correct CD pin is gpio4 on PMM8155AU_1. This patch fixes both mentioned issues by providing correct pin handle and pinctrl configuration. Fixes: 0deb2624e2d0 ("arm64: dts: qcom: sa8155p-adp: Add support for uSD card") Cc: stable@vger.kernel.org Signed-off-by: Volodymyr Babchuk Reviewed-by: Stephan Gerhold --- In v3: - Moved regulator changes to a separate patch - Renamed pinctrl node - Moved pinctrl node so it will appear in alphabetical order In v2: - Added "Fixes:" tag - CCed stable ML - Fixed pinctrl configuration - Extended voltage range for L13C voltage regulator --- arch/arm64/boot/dts/qcom/sa8155p-adp.dts | 30 ++++++++++-------------- 1 file changed, 13 insertions(+), 17 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sa8155p-adp.dts b/arch/arm64/boot/dts/qcom/sa8155p-adp.dts index 5e4287f8c8cd1..b2cf2c988336c 100644 --- a/arch/arm64/boot/dts/qcom/sa8155p-adp.dts +++ b/arch/arm64/boot/dts/qcom/sa8155p-adp.dts @@ -367,6 +367,16 @@ queue0 { }; }; +&pmm8155au_1_gpios { + pmm8155au_1_sdc2_cd: sdc2-cd-default-state { + pins = "gpio4"; + function = "normal"; + input-enable; + bias-pull-up; + power-source = <0>; + }; +}; + &qupv3_id_1 { status = "okay"; }; @@ -384,10 +394,10 @@ &remoteproc_cdsp { &sdhc_2 { status = "okay"; - cd-gpios = <&tlmm 4 GPIO_ACTIVE_LOW>; + cd-gpios = <&pmm8155au_1_gpios 4 GPIO_ACTIVE_LOW>; pinctrl-names = "default", "sleep"; - pinctrl-0 = <&sdc2_on>; - pinctrl-1 = <&sdc2_off>; + pinctrl-0 = <&sdc2_on &pmm8155au_1_sdc2_cd>; + pinctrl-1 = <&sdc2_off &pmm8155au_1_sdc2_cd>; vqmmc-supply = <&vreg_l13c_2p96>; /* IO line power */ vmmc-supply = <&vreg_l17a_2p96>; /* Card power line */ bus-width = <4>; @@ -505,13 +515,6 @@ data-pins { bias-pull-up; /* pull up */ drive-strength = <16>; /* 16 MA */ }; - - sd-cd-pins { - pins = "gpio96"; - function = "gpio"; - bias-pull-up; /* pull up */ - drive-strength = <2>; /* 2 MA */ - }; }; sdc2_off: sdc2-off-state { @@ -532,13 +535,6 @@ data-pins { bias-pull-up; /* pull up */ drive-strength = <2>; /* 2 MA */ }; - - sd-cd-pins { - pins = "gpio96"; - function = "gpio"; - bias-pull-up; /* pull up */ - drive-strength = <2>; /* 2 MA */ - }; }; usb2phy_ac_en1_default: usb2phy-ac-en1-default-state { From patchwork Fri Apr 12 19:03:26 2024 Content-Type: text/plain; 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Fri, 12 Apr 2024 19:03:26 +0000 From: Volodymyr Babchuk To: "linux-arm-msm@vger.kernel.org" CC: Stephan Gerhold , Volodymyr Babchuk , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: [PATCH v3 2/2] arm64: dts: qcom: sa8155p-adp: lower min volt for L13C regulator Thread-Topic: [PATCH v3 2/2] arm64: dts: qcom: sa8155p-adp: lower min volt for L13C regulator Thread-Index: AQHajQwZoNf3a+cEJ06mugQP75YLSA== Date: Fri, 12 Apr 2024 19:03:26 +0000 Message-ID: <20240412190310.1647893-2-volodymyr_babchuk@epam.com> References: <20240412190310.1647893-1-volodymyr_babchuk@epam.com> In-Reply-To: <20240412190310.1647893-1-volodymyr_babchuk@epam.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.44.0 x-ms-publictraffictype: Email x-ms-traffictypediagnostic: GV1PR03MB10456:EE_|PAXPR03MB7934:EE_ x-ms-office365-filtering-correlation-id: a9400d8b-7f82-4ef9-3c3e-08dc5b233bad x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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In order to support UHS modes, IO interface voltage needs to be set to 1.8V. This patch extends minimum voltage range of L13C regulator to allow this. Signed-off-by: Volodymyr Babchuk --- arch/arm64/boot/dts/qcom/sa8155p-adp.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/sa8155p-adp.dts b/arch/arm64/boot/dts/qcom/sa8155p-adp.dts index b2cf2c988336c..9e9c7f81096bb 100644 --- a/arch/arm64/boot/dts/qcom/sa8155p-adp.dts +++ b/arch/arm64/boot/dts/qcom/sa8155p-adp.dts @@ -283,7 +283,7 @@ vreg_l12c_1p808: ldo12 { vreg_l13c_2p96: ldo13 { regulator-name = "vreg_l13c_2p96"; - regulator-min-microvolt = <2504000>; + regulator-min-microvolt = <1800000>; regulator-max-microvolt = <2960000>; regulator-initial-mode = ; };