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[85.4.92.72]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45da15a562dsm32845129f8f.33.2026.05.17.16.41.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 17 May 2026 16:41:25 -0700 (PDT) From: Alexander Sverdlin To: linux-sunxi@lists.linux.dev Cc: Alexander Sverdlin , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Andre Przywara , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 3/5] arm64: dts: allwinner: a100: Add LRADC node Date: Mon, 18 May 2026 01:41:29 +0200 Message-ID: <20260517234134.2737320-4-alexander.sverdlin@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260517234134.2737320-1-alexander.sverdlin@gmail.com> References: <20260517234134.2737320-1-alexander.sverdlin@gmail.com> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MORS-Enabled: yes X-MORS-DOMAIN: patchwork.local X-MORS-HOSTING: hosting172546 X-MORS-USER: hosting172546 X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= A100/A133 SoCs feature a Low Rate ADC (LRADC) for Key application. Specs: - Power supply voltage: 1.8 V - Reference voltage: 1.35 V - Interrupt support - Support Hold Key and General Key - Support normal, continue and single work mode - 6-bits resolution, sample rate up to 2 kHz - Voltage input range between 0 and 1.35 V Signed-off-by: Alexander Sverdlin --- arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi index b3fb1e0ee796..2bba13c5d25c 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi @@ -466,6 +466,15 @@ ths: thermal-sensor@5070400 { #thermal-sensor-cells = <1>; }; + lradc: lradc@5070800 { + compatible = "allwinner,sun50i-r329-lradc"; + reg = <0x05070800 0x400>; + interrupts = ; + clocks = <&ccu CLK_BUS_LRADC>; + resets = <&ccu RST_BUS_LRADC>; + status = "disabled"; + }; + usb_otg: usb@5100000 { compatible = "allwinner,sun50i-a100-musb", "allwinner,sun8i-a33-musb";