From nobody Sat Jun 13 04:53:58 2026 Received: from s106b.cyber-folks.pl (s106b.cyber-folks.pl [195.78.66.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 83687DDCD; Sun, 10 May 2026 13:02:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.78.66.88 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778418171; cv=none; b=p9XnIB+lj27gcbw027ZHJQHWg4FztVnKFy1G3QMAEjgE1ESpzwyeH2cEbwXftjHGqD05i1BtI+NjXJGDn7LaTitYNBTPJgu9G300UGxh1J7AiW4ttHaN10y5nrOLV0ayuAxTl0WGQrRJUvxIYKYlCS2f8ERwV1uPaT7MKz+ZRlA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778418171; c=relaxed/simple; bh=xdbmT5ZW7GBoQzuCduM7GoLy1ivg6Gv7iVshcr4SKOE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=BqxqDkpThDW/EaIUyrRtGD0ug1Q5ylI2h3l+a0QckhPzuKC8X9gf8a8G5nPaSdFFTb1LrDTAQQ7Ywj/8I+koJojc65dnBS0OkGIuUIHqM7IB30oCiYiN0UBalBd2xfi0WP7SYjXHkO8LqbfJKeSYdx5k/REIPQFrPKZDGgiWhWw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mmpsystems.pl; spf=pass smtp.mailfrom=mmpsystems.pl; dkim=pass (2048-bit key) header.d=mmpsystems.pl header.i=@mmpsystems.pl header.b=JXtnoFOT; arc=none smtp.client-ip=195.78.66.88 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mmpsystems.pl Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mmpsystems.pl Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mmpsystems.pl header.i=@mmpsystems.pl header.b="JXtnoFOT" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mmpsystems.pl; s=x; h=Cc:To:In-Reply-To:References:Message-Id: Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date:From:Sender: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=sQf9HV1kJe9QuSV63atEChSm9EINfgHOzkniR1z+XIk=; b=JXtnoFOTyvcCFbcT5mx3MDXD1j fi/m5EU3GBPzTFUFimzzNUeohg8xvNmoXOASWvb2MKR7KHo1XdiuEwYrnY+enjjKKX/juVRBxQMTh 8Mnf86+/og/CSuMp/8vKqCee39VBfK6BHuyeEyoG5b2qfHGlG0qyUffRWmlq6qinguG0Qusdcdywv DrDaPp1W1p3j+0iMFUfn1V+wp/Ni8+BH5MuIAdrJHUP2OJT5skvMS2stgJ8pyaXyV8SYsPfEAwiLN 5R9gR2+waAyuvpjfNgh20AyYZQbR6mD3l2KasZTt1Kgx2YaH5hfKPqOLxTl97cabM4A0ujsQZncMp Dw8nZCAA==; Received: from user-188-33-36-99.play-internet.pl ([188.33.36.99] helo=localhost) by s106.cyber-folks.pl with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wM3nS-0000000DQb8-2khN; Sun, 10 May 2026 15:02:14 +0200 From: Michal Piekos Date: Sun, 10 May 2026 14:57:22 +0200 Subject: [PATCH 1/3] dt-bindings: iio: adc: Add GPADC for Allwinner A523 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260510-sunxi-a523-gpadc-v1-1-4f6b0f4000fb@mmpsystems.pl> References: <20260510-sunxi-a523-gpadc-v1-0-4f6b0f4000fb@mmpsystems.pl> In-Reply-To: <20260510-sunxi-a523-gpadc-v1-0-4f6b0f4000fb@mmpsystems.pl> To: Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Maksim Kiselev Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Michal Piekos X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1778417853; l=1939; i=michal.piekos@mmpsystems.pl; s=20260301; h=from:subject:message-id; bh=xdbmT5ZW7GBoQzuCduM7GoLy1ivg6Gv7iVshcr4SKOE=; b=+fLEdNfcGSL6q7kzk+Ig5Sr2kuXJVWe3+SHYOmbUDS87rrnQ6fhMO9DC/AKCCxgCFF3Q10qPu X+6KaQkpiD+AIwZYYzl51hk38WXOrIVbGw13bG+w05h71LjATWN5uwv X-Developer-Key: i=michal.piekos@mmpsystems.pl; a=ed25519; pk=Aixyx03If7ZDamiKKN0lsa+0mtA+WjIuIf2ZQVYNBqg= X-Authenticated-Id: michal.piekos@mmpsystems.pl Add support for the GPADC for the Allwinner A523. It differs from the D1/T113s/R329/T507 by having two clocks. Signed-off-by: Michal Piekos --- .../iio/adc/allwinner,sun20i-d1-gpadc.yaml | 37 ++++++++++++++++++= +++- 1 file changed, 36 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/iio/adc/allwinner,sun20i-d1-= gpadc.yaml b/Documentation/devicetree/bindings/iio/adc/allwinner,sun20i-d1-= gpadc.yaml index da605a051b94..89da96cd705f 100644 --- a/Documentation/devicetree/bindings/iio/adc/allwinner,sun20i-d1-gpadc.y= aml +++ b/Documentation/devicetree/bindings/iio/adc/allwinner,sun20i-d1-gpadc.y= aml @@ -17,6 +17,7 @@ properties: - items: - enum: - allwinner,sun50i-h616-gpadc + - allwinner,sun55i-a523-gpadc - const: allwinner,sun20i-d1-gpadc =20 "#io-channel-cells": @@ -29,7 +30,12 @@ properties: const: 0 =20 clocks: - maxItems: 1 + minItems: 1 + maxItems: 2 + + clock-names: + minItems: 1 + maxItems: 2 =20 interrupts: maxItems: 1 @@ -40,6 +46,35 @@ properties: resets: maxItems: 1 =20 +allOf: + - if: + properties: + compatible: + items: + - const: allwinner,sun55i-a523-gpadc + - const: allwinner,sun20i-d1-gpadc + then: + properties: + clocks: + minItems: 2 + maxItems: 2 + items: + - description: Bus clock + - description: Module clock + clock-names: + minItems: 2 + maxItems: 2 + items: + - const: bus + - const: mod + required: + - clock-names + else: + properties: + clocks: + maxItems: 1 + clock-names: false + patternProperties: "^channel@[0-9a-f]+$": $ref: adc.yaml --=20 2.43.0 From nobody Sat Jun 13 04:53:58 2026 Received: from s106b.cyber-folks.pl (s106b.cyber-folks.pl [195.78.66.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A5085368282; 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Received: from user-188-33-36-99.play-internet.pl ([188.33.36.99] helo=localhost) by s106.cyber-folks.pl with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wM3nT-0000000DUl7-2bMM; Sun, 10 May 2026 15:02:15 +0200 From: Michal Piekos Date: Sun, 10 May 2026 14:57:23 +0200 Subject: [PATCH 2/3] iio: adc: sun20i-gpadc: add A523 gpadc support Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260510-sunxi-a523-gpadc-v1-2-4f6b0f4000fb@mmpsystems.pl> References: <20260510-sunxi-a523-gpadc-v1-0-4f6b0f4000fb@mmpsystems.pl> In-Reply-To: <20260510-sunxi-a523-gpadc-v1-0-4f6b0f4000fb@mmpsystems.pl> To: Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Maksim Kiselev Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Michal Piekos X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1778417853; l=1275; i=michal.piekos@mmpsystems.pl; s=20260301; h=from:subject:message-id; bh=8W/e7Tc7AKga7S1oho/nSvDoTgXmWjUgZtFOjdd9w5I=; b=a69kXrDPJ999nB3ARMTjh8GE016krvQqW2Av1dPHiwU8ZyZn+x+JZfw83Yjut8j6vI6mxUfzu JqghI7ZFH3pDpq7BxNAimCXUeflNWcs8+hh+x+B+41Z/OhzrSEHuSxm X-Developer-Key: i=michal.piekos@mmpsystems.pl; a=ed25519; pk=Aixyx03If7ZDamiKKN0lsa+0mtA+WjIuIf2ZQVYNBqg= X-Authenticated-Id: michal.piekos@mmpsystems.pl A523 differs from existing sun20i-gpadc-iio by having two clocks; bus clock and module clock. Change driver to enable all clocks. Signed-off-by: Michal Piekos --- drivers/iio/adc/sun20i-gpadc-iio.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/iio/adc/sun20i-gpadc-iio.c b/drivers/iio/adc/sun20i-gp= adc-iio.c index 861c14da75ad..dd4c7e6e3d76 100644 --- a/drivers/iio/adc/sun20i-gpadc-iio.c +++ b/drivers/iio/adc/sun20i-gpadc-iio.c @@ -180,7 +180,7 @@ static int sun20i_gpadc_probe(struct platform_device *p= dev) struct iio_dev *indio_dev; struct sun20i_gpadc_iio *info; struct reset_control *rst; - struct clk *clk; + struct clk_bulk_data *clks; int irq; int ret; =20 @@ -205,9 +205,9 @@ static int sun20i_gpadc_probe(struct platform_device *p= dev) if (IS_ERR(info->regs)) return PTR_ERR(info->regs); =20 - clk =3D devm_clk_get_enabled(dev, NULL); - if (IS_ERR(clk)) - return dev_err_probe(dev, PTR_ERR(clk), "failed to enable bus clock\n"); + ret =3D devm_clk_bulk_get_all_enabled(dev, &clks); + if (ret < 0) + return dev_err_probe(dev, ret, "failed to enable clocks\n"); =20 rst =3D devm_reset_control_get_exclusive(dev, NULL); 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b=C9XIALUvlilj4W7U65/tlvytPj zD2Yj7KDYFTN3QY1f1qts7DY5Bvivl6ysQqe/Yw+oI+KpeRm+6TLpmpTz1N//sVxHfNxU5UessXvl 1yr+ADzMVFh7HocxHBvoFNa2ill9uBV3S/hRNMyL2LSbd6XADhZETYa3/2AcKXLxrKVMadLOjSnQt 5NuVRqTj0OwPkRJ4NN+Cw/S7t5TJvj8ykAVXWiwxZEG0VLOLk+V5acshabLwYsxjtrK3rhE0TCjLh 9FBd9mvPo8QoqduVctVT6qkMvcwJ+jNXq3/5MWFYd7+Yuu1mC213jqrg6hMOPLW1gSxjMz30wa4mb xWtzGneA==; Received: from user-188-33-36-99.play-internet.pl ([188.33.36.99] helo=localhost) by s106.cyber-folks.pl with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wM3nU-0000000DUlu-2xGf; Sun, 10 May 2026 15:02:16 +0200 From: Michal Piekos Date: Sun, 10 May 2026 14:57:24 +0200 Subject: [PATCH 3/3] arm64: dts: allwinner: a523: add gpadc node Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260510-sunxi-a523-gpadc-v1-3-4f6b0f4000fb@mmpsystems.pl> References: <20260510-sunxi-a523-gpadc-v1-0-4f6b0f4000fb@mmpsystems.pl> In-Reply-To: <20260510-sunxi-a523-gpadc-v1-0-4f6b0f4000fb@mmpsystems.pl> To: Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Maksim Kiselev Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Michal Piekos X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1778417853; l=1354; i=michal.piekos@mmpsystems.pl; s=20260301; h=from:subject:message-id; bh=kk/Kv+yUGHkaembPD17CeakLfOFr5UBGS4OjitWw2zk=; b=MT0kpsD0qYGYaYgOEk7LMsEy7riZZdlLe4+LkTYoTeE3QvDJN9auhYeeOBDMOtmQvSkAKixrm AaySUpkb7Z6CE3Xr+rV/vThta038nbZ52KINeycdrHkVBQ6EioNYmDW X-Developer-Key: i=michal.piekos@mmpsystems.pl; a=ed25519; pk=Aixyx03If7ZDamiKKN0lsa+0mtA+WjIuIf2ZQVYNBqg= X-Authenticated-Id: michal.piekos@mmpsystems.pl Describe high speed timer block on Allwinner D1S-T113. Tested on Radxa Cubie A5E: - 2 connected channels are showing voltages in agreement with schematics. BOOT-SEL-ADC ~500mV BOM-ADC ~1800mV - 3rd channel exposed on 40pin header is showing correct voltages when connected to known voltage source. Signed-off-by: Michal Piekos --- arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/bo= ot/dts/allwinner/sun55i-a523.dtsi index 5afa8d92acbf..f6c5cae5b23a 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi @@ -340,6 +340,18 @@ ledc: led-controller@2008000 { status =3D "disabled"; }; =20 + gpadc: adc@2009000 { + compatible =3D "allwinner,sun55i-a523-gpadc", + "allwinner,sun20i-d1-gpadc"; + reg =3D <0x2009000 0x400>; + clocks =3D <&ccu CLK_BUS_GPADC0>, <&ccu CLK_GPADC0>; + clock-names =3D "bus", "mod"; + resets =3D <&ccu RST_BUS_GPADC0>; + interrupts =3D ; + status =3D "disabled"; + #io-channel-cells =3D <1>; + }; + wdt: watchdog@2050000 { compatible =3D "allwinner,sun55i-a523-wdt"; reg =3D <0x2050000 0x20>; --=20 2.43.0