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 5/8] ARM: dts: stm32: add adc support to stm32mp13 Date: Wed, 5 Oct 2022 18:14:21 +0200 [thread overview] Message-ID: <20221005161424.4537-6-olivier.moysan@foss.st.com> (raw) In-Reply-To: <20221005161424.4537-1-olivier.moysan@foss.st.com> Add ADC1 and ADC2 support to STM32MP13 SoC family. The STM32MP131 provides only ADC2, while other STM32MP13 SoCs provide both ADC1 and ADC2. Internal channels support limitations: - VREFINT internal channel requires calibration data from OTP memory. The nvmem properties used to access OTP are not defined for time being, as OTP support is not yet enabled. - VBAT internal channel is not defined by default in SoC DT, and has be defined in board DT when needed, instead. This avoids unwanted current consumption on battery, when ADC conversions are performed on any other channels. Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com> --- arch/arm/boot/dts/stm32mp131.dtsi | 43 +++++++++++++++++++++++++++++++ arch/arm/boot/dts/stm32mp133.dtsi | 31 ++++++++++++++++++++++ 2 files changed, 74 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp131.dtsi b/arch/arm/boot/dts/stm32mp131.dtsi index 3a921db23e9f..5e46234f60f2 100644 --- a/arch/arm/boot/dts/stm32mp131.dtsi +++ b/arch/arm/boot/dts/stm32mp131.dtsi @@ -153,6 +153,49 @@ dmamux1: dma-router@48002000 { dma-channels = <16>; }; + adc_2: adc@48004000 { + compatible = "st,stm32mp13-adc-core"; + reg = <0x48004000 0x400>; + interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&rcc ADC2>, <&rcc ADC2_K>; + clock-names = "bus", "adc"; + interrupt-controller; + #interrupt-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + + adc2: adc@0 { + compatible = "st,stm32mp13-adc"; + #io-channel-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x0>; + interrupt-parent = <&adc_2>; + interrupts = <0>; + dmas = <&dmamux1 10 0x400 0x80000001>; + dma-names = "rx"; + status = "disabled"; + + channel@13 { + reg = <13>; + label = "vrefint"; + }; + channel@14 { + reg = <14>; + label = "vddcore"; + }; + channel@16 { + reg = <16>; + label = "vddcpu"; + }; + channel@17 { + reg = <17>; + label = "vddq_ddr"; + }; + }; + }; + rcc: rcc@50000000 { compatible = "st,stm32mp13-rcc", "syscon"; reg = <0x50000000 0x1000>; diff --git a/arch/arm/boot/dts/stm32mp133.dtsi b/arch/arm/boot/dts/stm32mp133.dtsi index 531c263c9f46..6bc702fe43af 100644 --- a/arch/arm/boot/dts/stm32mp133.dtsi +++ b/arch/arm/boot/dts/stm32mp133.dtsi @@ -8,6 +8,37 @@ / { soc { + adc_1: adc@48003000 { + compatible = "st,stm32mp13-adc-core"; + reg = <0x48003000 0x400>; + interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&rcc ADC1>, <&rcc ADC1_K>; + clock-names = "bus", "adc"; + interrupt-controller; + #interrupt-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + + adc1: adc@0 { + compatible = "st,stm32mp13-adc"; + #io-channel-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x0>; + interrupt-parent = <&adc_1>; + interrupts = <0>; + dmas = <&dmamux1 9 0x400 0x80000001>; + dma-names = "rx"; + status = "disabled"; + + channel@18 { + reg = <18>; + label = "vrefint"; + }; + }; + }; + m_can1: can@4400e000 { compatible = "bosch,m_can"; reg = <0x4400e000 0x400>, <0x44011000 0x1400>; -- 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 5/8] ARM: dts: stm32: add adc support to stm32mp13 Date: Wed, 5 Oct 2022 18:14:21 +0200 [thread overview] Message-ID: <20221005161424.4537-6-olivier.moysan@foss.st.com> (raw) In-Reply-To: <20221005161424.4537-1-olivier.moysan@foss.st.com> Add ADC1 and ADC2 support to STM32MP13 SoC family. The STM32MP131 provides only ADC2, while other STM32MP13 SoCs provide both ADC1 and ADC2. Internal channels support limitations: - VREFINT internal channel requires calibration data from OTP memory. The nvmem properties used to access OTP are not defined for time being, as OTP support is not yet enabled. - VBAT internal channel is not defined by default in SoC DT, and has be defined in board DT when needed, instead. This avoids unwanted current consumption on battery, when ADC conversions are performed on any other channels. Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com> --- arch/arm/boot/dts/stm32mp131.dtsi | 43 +++++++++++++++++++++++++++++++ arch/arm/boot/dts/stm32mp133.dtsi | 31 ++++++++++++++++++++++ 2 files changed, 74 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp131.dtsi b/arch/arm/boot/dts/stm32mp131.dtsi index 3a921db23e9f..5e46234f60f2 100644 --- a/arch/arm/boot/dts/stm32mp131.dtsi +++ b/arch/arm/boot/dts/stm32mp131.dtsi @@ -153,6 +153,49 @@ dmamux1: dma-router@48002000 { dma-channels = <16>; }; + adc_2: adc@48004000 { + compatible = "st,stm32mp13-adc-core"; + reg = <0x48004000 0x400>; + interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&rcc ADC2>, <&rcc ADC2_K>; + clock-names = "bus", "adc"; + interrupt-controller; + #interrupt-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + + adc2: adc@0 { + compatible = "st,stm32mp13-adc"; + #io-channel-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x0>; + interrupt-parent = <&adc_2>; + interrupts = <0>; + dmas = <&dmamux1 10 0x400 0x80000001>; + dma-names = "rx"; + status = "disabled"; + + channel@13 { + reg = <13>; + label = "vrefint"; + }; + channel@14 { + reg = <14>; + label = "vddcore"; + }; + channel@16 { + reg = <16>; + label = "vddcpu"; + }; + channel@17 { + reg = <17>; + label = "vddq_ddr"; + }; + }; + }; + rcc: rcc@50000000 { compatible = "st,stm32mp13-rcc", "syscon"; reg = <0x50000000 0x1000>; diff --git a/arch/arm/boot/dts/stm32mp133.dtsi b/arch/arm/boot/dts/stm32mp133.dtsi index 531c263c9f46..6bc702fe43af 100644 --- a/arch/arm/boot/dts/stm32mp133.dtsi +++ b/arch/arm/boot/dts/stm32mp133.dtsi @@ -8,6 +8,37 @@ / { soc { + adc_1: adc@48003000 { + compatible = "st,stm32mp13-adc-core"; + reg = <0x48003000 0x400>; + interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&rcc ADC1>, <&rcc ADC1_K>; + clock-names = "bus", "adc"; + interrupt-controller; + #interrupt-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + + adc1: adc@0 { + compatible = "st,stm32mp13-adc"; + #io-channel-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x0>; + interrupt-parent = <&adc_1>; + interrupts = <0>; + dmas = <&dmamux1 9 0x400 0x80000001>; + dma-names = "rx"; + status = "disabled"; + + channel@18 { + reg = <18>; + label = "vrefint"; + }; + }; + }; + m_can1: can@4400e000 { compatible = "bosch,m_can"; reg = <0x4400e000 0x400>, <0x44011000 0x1400>; -- 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 16:16 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 ` Olivier Moysan [this message] 2022-10-05 16:14 ` [PATCH v3 5/8] ARM: dts: stm32: add adc support to stm32mp13 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 ` [PATCH v3 7/8] ARM: dts: stm32: add dummy vdd_adc regulator " Olivier Moysan 2022-10-05 16:14 ` 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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