From: Olivier Moysan <olivier.moysan@foss.st.com> To: Alexandre Torgue <alexandre.torgue@foss.st.com>, Andy Shevchenko <andy.shevchenko@gmail.com>, Fabrice Gasnier <fabrice.gasnier@foss.st.com>, Jonathan Cameron <jic23@kernel.org>, Lars-Peter Clausen <lars@metafoo.de>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, <nuno.sa@analog.com>, Olivier Moysan <olivier.moysan@foss.st.com>, Paul Cercueil <paul@crapouillou.net>, Sebastian Andrzej Siewior <bigeasy@linutronix.de>, Wan Jiabing <wanjiabing@vivo.com>, Yannick Brosseau <yannick.brosseau@gmail.com> Cc: <linux-arm-kernel@lists.infradead.org>, <linux-iio@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-stm32@st-md-mailman.stormreply.com> Subject: [PATCH v3 7/8] ARM: dts: stm32: add dummy vdd_adc regulator on stm32mp135f-dk Date: Wed, 5 Oct 2022 18:14:23 +0200 [thread overview] Message-ID: <20221005161424.4537-8-olivier.moysan@foss.st.com> (raw) In-Reply-To: <20221005161424.4537-1-olivier.moysan@foss.st.com> Add a dummy fixed regulator vdd-adc for STM32 ADC, on STM32MP135F-DK board, while SCMI regulators are not available. This patch will have to be removed when SCMI regulator support is added to STM32MP13. This patch intends to allow ADC enabling on STM32MP13. With this patch the ADC can probe but it cannot return valid conversion data, as it's regulator is not actually enabled. Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com> --- arch/arm/boot/dts/stm32mp135f-dk.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp135f-dk.dts b/arch/arm/boot/dts/stm32mp135f-dk.dts index e6b8ffd332c7..95068231ed57 100644 --- a/arch/arm/boot/dts/stm32mp135f-dk.dts +++ b/arch/arm/boot/dts/stm32mp135f-dk.dts @@ -66,6 +66,14 @@ vdd_sd: vdd-sd { regulator-max-microvolt = <2900000>; regulator-always-on; }; + + vdd_adc: vdd-adc { + compatible = "regulator-fixed"; + regulator-name = "vdd_adc"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; }; &iwdg2 { -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Olivier Moysan <olivier.moysan@foss.st.com> To: Alexandre Torgue <alexandre.torgue@foss.st.com>, Andy Shevchenko <andy.shevchenko@gmail.com>, Fabrice Gasnier <fabrice.gasnier@foss.st.com>, Jonathan Cameron <jic23@kernel.org>, Lars-Peter Clausen <lars@metafoo.de>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, <nuno.sa@analog.com>, Olivier Moysan <olivier.moysan@foss.st.com>, Paul Cercueil <paul@crapouillou.net>, Sebastian Andrzej Siewior <bigeasy@linutronix.de>, Wan Jiabing <wanjiabing@vivo.com>, Yannick Brosseau <yannick.brosseau@gmail.com> Cc: <linux-arm-kernel@lists.infradead.org>, <linux-iio@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-stm32@st-md-mailman.stormreply.com> Subject: [PATCH v3 7/8] ARM: dts: stm32: add dummy vdd_adc regulator on stm32mp135f-dk Date: Wed, 5 Oct 2022 18:14:23 +0200 [thread overview] Message-ID: <20221005161424.4537-8-olivier.moysan@foss.st.com> (raw) In-Reply-To: <20221005161424.4537-1-olivier.moysan@foss.st.com> Add a dummy fixed regulator vdd-adc for STM32 ADC, on STM32MP135F-DK board, while SCMI regulators are not available. This patch will have to be removed when SCMI regulator support is added to STM32MP13. This patch intends to allow ADC enabling on STM32MP13. With this patch the ADC can probe but it cannot return valid conversion data, as it's regulator is not actually enabled. Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com> --- arch/arm/boot/dts/stm32mp135f-dk.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp135f-dk.dts b/arch/arm/boot/dts/stm32mp135f-dk.dts index e6b8ffd332c7..95068231ed57 100644 --- a/arch/arm/boot/dts/stm32mp135f-dk.dts +++ b/arch/arm/boot/dts/stm32mp135f-dk.dts @@ -66,6 +66,14 @@ vdd_sd: vdd-sd { regulator-max-microvolt = <2900000>; regulator-always-on; }; + + vdd_adc: vdd-adc { + compatible = "regulator-fixed"; + regulator-name = "vdd_adc"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; }; &iwdg2 { -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-10-05 16:17 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-10-05 16:14 [PATCH v3 0/8] iio: stm32-adc: add support of adc for stm32mp13 Olivier Moysan 2022-10-05 16:14 ` Olivier Moysan 2022-10-05 16:14 ` [PATCH v3 1/8] iio: adc: stm32-adc: fix channel sampling time init Olivier Moysan 2022-10-05 16:14 ` Olivier Moysan 2022-10-09 12:42 ` Jonathan Cameron 2022-10-09 12:42 ` Jonathan Cameron 2022-10-05 16:14 ` [PATCH v3 2/8] dt-bindings: iio: adc: stm32-adc: add stm32mp13 compatibles Olivier Moysan 2022-10-05 16:14 ` Olivier Moysan 2022-10-09 12:46 ` Jonathan Cameron 2022-10-09 12:46 ` Jonathan Cameron 2022-10-05 16:14 ` [PATCH v3 3/8] iio: adc: stm32-adc: add stm32mp13 support Olivier Moysan 2022-10-05 16:14 ` Olivier Moysan 2022-10-05 16:14 ` [PATCH v3 4/8] iio: adc: stm32: manage min sampling time on all internal channels Olivier Moysan 2022-10-05 16:14 ` Olivier Moysan 2022-10-05 16:14 ` [PATCH v3 5/8] ARM: dts: stm32: add adc support to stm32mp13 Olivier Moysan 2022-10-05 16:14 ` Olivier Moysan 2022-10-05 16:14 ` [PATCH v3 6/8] ARM: dts: stm32: add adc pins muxing on stm32mp135f-dk Olivier Moysan 2022-10-05 16:14 ` Olivier Moysan 2022-10-05 16:14 ` Olivier Moysan [this message] 2022-10-05 16:14 ` [PATCH v3 7/8] ARM: dts: stm32: add dummy vdd_adc regulator " Olivier Moysan 2022-10-05 16:14 ` [PATCH v3 8/8] ARM: dts: stm32: add adc support " Olivier Moysan 2022-10-05 16:14 ` Olivier Moysan
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