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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-645363b62cesm1608228a12.13.2025.11.20.01.10.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 20 Nov 2025 01:10:50 -0800 (PST) Message-ID: <742601dc-32d8-41ff-8e2b-a960f6fe77ab@oss.qualcomm.com> Date: Thu, 20 Nov 2025 10:10:48 +0100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/4] ARM: dts: qcom: msm8960: expressatt: Add Light/Proximity Sensor To: guptarud@gmail.com, Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20251119-expressatt_nfc_accel_magn_light-v1-0-636f16f05cf4@gmail.com> <20251119-expressatt_nfc_accel_magn_light-v1-1-636f16f05cf4@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20251119-expressatt_nfc_accel_magn_light-v1-1-636f16f05cf4@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=J8WnLQnS c=1 sm=1 tr=0 ts=691edb1b cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=pGLkceISAAAA:8 a=jMnZrQita27iYXhThZwA:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-GUID: isZnJ_jmb1VX8h1f3oZy4cyG8Dg6q_DC X-Proofpoint-ORIG-GUID: isZnJ_jmb1VX8h1f3oZy4cyG8Dg6q_DC X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTIwMDA1NCBTYWx0ZWRfX02gD9Kq/ZTEu zCbApiBBSYT6RldY9l+amTDMaeoqHiu7/U+cPT2q6vpbwilixk0AL3Sn6UKuaRdEmBrqgkoZMD1 Lskdd96uE8BIyhBhmsGQp8YXoN7WgN+sqWpoEHC88V8QbTyUB3XcK4rfdqGumBzUMHrqgxeR0A3 MmM9HsoupC8t7GxmkR4QcBv9h08vqWpIlJdbpoPDqBEn5y32rVOxOIqtjzPQcJi1PF92UqP+usz YlNBcRF0RTkOZQGOkiPek0rbZeIRM1qBjvDccLGm5fn4oYkaNTXknXqFgu5GQOs+3+FehyngwIU kGDuYu3sj8G2dllU8ion2B06pZv2silWt3pV9X9O0n5UJGHk3OcLggx/9/DX9qSRLdfWCU+NtZ6 ExY4VK/nFzaWCmtAMBbbSa0O7AqFJw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-20_03,2025-11-18_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 suspectscore=0 impostorscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 spamscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511200054 On 11/20/25 8:14 AM, Rudraksha Gupta via B4 Relay wrote: > From: Rudraksha Gupta > > Currently the Proximity Sensor doesn't work, but light sensor does. > Left the proximity sensor as a TODO for later. > > Signed-off-by: Rudraksha Gupta > --- > .../dts/qcom/qcom-msm8960-samsung-expressatt.dts | 36 ++++++++++++++++++++++ > 1 file changed, 36 insertions(+) > > diff --git a/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts b/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts > index 5ee919dce75b..1e331a046e7b 100644 > --- a/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts > +++ b/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts > @@ -52,6 +52,31 @@ key-volume-down { > linux,code = ; > }; > }; > + > + i2c-gpio-sensors { > + compatible = "i2c-gpio"; Are you using gpio-i2c for any specific reason? Would GSBI2 not be connected to this pair? (I am not sure FWIW) > + sda-gpios = <&tlmm 12 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; > + scl-gpios = <&tlmm 13 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; > + i2c-gpio,delay-us = <5>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + light-sensor@39 { > + compatible = "amstaos,tmd2772"; > + reg = <0x39>; > + interrupt-parent = <&pm8921_gpio>; > + interrupts = <6 IRQ_TYPE_EDGE_FALLING>; > + vdd-supply = <&pm8921_l9>; > + vddio-supply = <&pm8921_lvs4>; > + > + // TODO: Proximity doesn't work C-style comments ( /* foo */ ) are preferred > + amstaos,proximity-diodes = <0>; Try comparing the values the upstream and downstream drivers write to the device, maybe you're missing something > + led-max-microamp = <100000>; > + > + pinctrl-names = "default"; > + pinctrl-0 = <&prox_sensor_int>; property-n property-names is the preferred order > + }; > + }; > }; > > &gsbi5 { > @@ -163,6 +188,15 @@ &pm8921 { > interrupts-extended = <&tlmm 104 IRQ_TYPE_LEVEL_LOW>; > }; > > +&pm8921_gpio { > + prox_sensor_int: prox-sensor-int-state { > + pins = "gpio6"; > + function = "normal"; > + input-enable; > + bias-disable; > + }; > +}; > + > &rpm { > regulators { > compatible = "qcom,rpm-pm8921-regulators"; > @@ -280,6 +314,7 @@ pm8921_l9: l9 { > regulator-min-microvolt = <2850000>; > regulator-max-microvolt = <2850000>; > bias-pull-down; > + regulator-always-on; > }; > > pm8921_l10: l10 { > @@ -377,6 +412,7 @@ pm8921_lvs3: lvs3 { > > pm8921_lvs4: lvs4 { > bias-pull-down; > + regulator-always-on; Does it stop working if you remove these regulator-always-on additions? Konrad