From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8AD2ECA0FFF for ; Sat, 30 Aug 2025 16:54:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=kwHNHld86Ahk+TRbfmt7h72W95FfFhoR7W7sL+uYmow=; b=MqwvADnAMvdEHwPW1Dv5LtzN8l yIV7giVMvY7OGL8VujAgkFwkAN9YRd7GNKCPKXhaqMEoqfz+sSQW7CmHAAGGKal5IgW2x9S8RyIM1 MP8TePBLGcP3t9WWldsCFahDtKbF9VQSBNA1LupYDobXWkOGmQcNT4rdnCesjA4hP5ijKs2yVkEnn pw3qSIuovhATujtmjjfNqcmrDJfVzeMe1OLBkFv1x/BH7ClX+NGV0SiK5SCSIDVvj1ZRKl1m/ADam tTX6pVSsoA0JK0mUaegdlX8bDw3O6Og3auRf0CCMOLBY4TaY3LJasR3zEEKWhS45wG+2Cndv/Gi2L lEfKgcSw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1usOqR-00000008An9-1WIS; Sat, 30 Aug 2025 16:54:27 +0000 Received: from mail-wr1-x433.google.com ([2a00:1450:4864:20::433]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1usOku-00000008A9G-1sC3 for linux-arm-kernel@lists.infradead.org; Sat, 30 Aug 2025 16:48:45 +0000 Received: by mail-wr1-x433.google.com with SMTP id ffacd0b85a97d-3ceed75169cso252502f8f.2 for ; Sat, 30 Aug 2025 09:48:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1756572523; x=1757177323; darn=lists.infradead.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=kwHNHld86Ahk+TRbfmt7h72W95FfFhoR7W7sL+uYmow=; b=EvdgYtKThGIUq/7e2Ahk7Bt4qv1uxspHT8GZe4skdDF0q/Z+/rnTdpAfTSUMpDsbEu BCyIuwz5mYP6WGcHVa1Wp10JJ+E/IQvgZfyBjq3YgHHLBdHWtVMXFHN5MHohJMRJ3HAv ekrrz0YAq6nbifTKOjN/Grn7Cc1Q4U8gj8s0juCWqRUC+rT6t6ksI9nrL93Hn03HMQs8 1WDnH7uwa+d9pZ0fxwnIQYbzEJtmI9soktarGwAc+uU00F7mhGvTnTk+iSHagpppfqnM jvZ5RgCp5JZXIclP3MTvxd/tZ9U90iJ5ucc4bEen5c1LkrpcQZ1Yj6rVgKrrbvFcILEu Crrw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756572523; x=1757177323; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=kwHNHld86Ahk+TRbfmt7h72W95FfFhoR7W7sL+uYmow=; b=bW5Ad1Imbab0asVCY4WmMjF4Llg1ojfg9aDsvZz1OLQiGPWmZPgtqTPuMvHaWN70tw iaoTpecZOytZqFza74tWAqFPmc2eOqTF6+rALgaGO/gefKDOUq/8guOc5ERE7OXigvnw 6lM0UEMZq5x2bfFxuzaKgyqeEsbeqpnNN/9FJ3uLgHmRc5bTeN/iY1Bx64sZKQ1emDf5 XKr3sq7CEL5zboxGtOjrjPYov4dzPeWZhS/HDCdkxMqsYXrXGDzgvz25TlBDLK07webo cHu7kIBa9eFSDuVnWYPOuA/uzY9kL+Fa78pXnTBFCBXjukGvdXCBlUjQgnKBsvfh08oG 7VsA== X-Forwarded-Encrypted: i=1; AJvYcCW+aMKShqzTM54CWlNtT5hdqSTIAzMtmgvTnTTZU0O3+8q1gJhzZD0qfCexBQ9oC8YtAlveqA7DVO9EOspv/Mut@lists.infradead.org X-Gm-Message-State: AOJu0YzH4lqAfMLqOxFv8KTzbBH10Zvj69kO8kBnYA68xagBRVDjGF0E 8bVqEUoLG3r6oHixwhsW9LvYVluk4KoYaKTAgXy/SmFryjK+kSP7tausX8f+ve1//GY= X-Gm-Gg: ASbGncsa4gxd2QDZQ5tfYm/UReaHro/TJbblAMzfUdR5vskflY1j7Nd1IDHxPimjoyW mTm7FrEsOiUAtlFB6xupdbt3UGQeC324/7o27qd0BqhTE/do1MxRalkOD+ksPLevl5r1tSrjUM8 7jzmAqNdGRzio1wE15RSoUmvjP7eTLnHXA82/06iJxRt8cncIRBOwRthobKIK4xliBG6ArMtcAE ShIcfX2TD0u9cCiEJvYn6kY4z5oWMddsY/bco2PjoIOabAHVSd2Tj5DrltuaM1GhpQ+iWPg72Ok Ex4U+xUQxTgtG7FZj6SDt/89xxuezw8L4VRPQ39jOYR4TIzpajuJcTh6TQRW/SGGfZVSeU8wrgx BvbQ7Z0ApOTTpUj7C313oAimlQlC/fWnNsltQhBA= X-Google-Smtp-Source: AGHT+IGUYbZV5y47P6lmjYscKjNdQ2Uw8ELxYIkx4OD71yfrs+H4TcNwkmZsQ6P3v/fHNbcN0w5aPQ== X-Received: by 2002:a5d:4490:0:b0:3d1:6e71:4915 with SMTP id ffacd0b85a97d-3d16e714b0dmr1046081f8f.4.1756572522774; Sat, 30 Aug 2025 09:48:42 -0700 (PDT) Received: from [127.0.1.1] ([178.197.219.123]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3cf274dde69sm7818129f8f.14.2025.08.30.09.48.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 30 Aug 2025 09:48:42 -0700 (PDT) From: Krzysztof Kozlowski Date: Sat, 30 Aug 2025 18:48:30 +0200 Subject: [PATCH v2 1/5] iio: adc: exynos_adc: Drop S3C2410 support MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250830-s3c-cleanup-adc-v2-1-4f8299343d32@linaro.org> References: <20250830-s3c-cleanup-adc-v2-0-4f8299343d32@linaro.org> In-Reply-To: <20250830-s3c-cleanup-adc-v2-0-4f8299343d32@linaro.org> To: Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko , Krzysztof Kozlowski , Alim Akhtar , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-iio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=4264; i=krzysztof.kozlowski@linaro.org; h=from:subject:message-id; bh=7uER2DvoLLE6z6epL6HrNFtjDW4TWlnYFUC2TNnSIPk=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBosytjN2yInA7p39V8n1XoJXYzoAUFvLq/xOHS6 dqUEsdByBGJAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCaLMrYwAKCRDBN2bmhouD 1x9QD/wP0Tzu8mof+pIAGOVInqw3xEGpRCv4RnJN0E5qMXRG9QqqJNdBW2jeKvNmvYaYzO6zJAY Ev7ZpFXpiRZNKoGRbe6yPsfoVCLfXL2htcCeFgoSPKj9r0dsVJ5vQcDYEJ61UrmOdbd5IeB8Iaa z2yx4V+eF/xCz/UUS1JKcwo5saIq8aqQlxNjufJK/RxTUi/z6kPnczOXA+jali0A3lXVphMABDf 9dN7bnsGgy4Tzl+3OME5+VoQRNpiRnOXcKpnOa8Ljpx7V5zgZTsGF4hpL2nLD/ACLBIbNxvSLAL 7Vx2vi0K83YcWGQ+sugWZ+VZ0uiCEbpNU31k2QuhDk+1U55VbN6RnjOSP6HrVu1Y5dTcvu2z4LV Asmjc+u/KHPBJTSbfmxzAv/USAuaZDK5sVodbVSlKABJasrieBwAmse0NRU5kQilaHgkL4cTA+J q/pxj0YOSEL1sR6EWpxwyg8dWsdsWoxW2C1R8dn66ur9rBN82aqcxuHA5TfuUpN59A/Ub5W8/Kx O8+joypsCNHDmOH+1jvCa4j8kYfae2PVTplVv12sZFYCVsmB0U0ouzZajd+ozTIaN+KA3+ZNBc4 8n9gIcZFRJBgjeoX3l0ghSLrEJji28t/r8xm1hANzB4Am+xtEioguys9BdSsk//SRbElZE5I6Ck 9lClcMh5sUUutag== X-Developer-Key: i=krzysztof.kozlowski@linaro.org; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250830_094844_497637_0C94D60C X-CRM114-Status: GOOD ( 14.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Samsung S3C24xx family of SoCs was removed from the Linux kernel in the commit 61b7f8920b17 ("ARM: s3c: remove all s3c24xx support"), in January 2023. There are no in-kernel users of its compatibles. Reviewed-by: Andy Shevchenko Signed-off-by: Krzysztof Kozlowski --- drivers/iio/adc/exynos_adc.c | 75 +------------------------------------------- 1 file changed, 1 insertion(+), 74 deletions(-) diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c index 4614cf848535944a41e0ab19f35c5ca0546000c0..17fd33c6bd6d0dcf41771331ecb328e58d820ed0 100644 --- a/drivers/iio/adc/exynos_adc.c +++ b/drivers/iio/adc/exynos_adc.c @@ -44,9 +44,6 @@ #define ADC_V1_MUX(x) ((x) + 0x1c) #define ADC_V1_CLRINTPNDNUP(x) ((x) + 0x20) -/* S3C2410 ADC registers definitions */ -#define ADC_S3C2410_MUX(x) ((x) + 0x18) - /* Future ADC_V2 registers definitions */ #define ADC_V2_CON1(x) ((x) + 0x00) #define ADC_V2_CON2(x) ((x) + 0x04) @@ -61,10 +58,8 @@ #define ADC_V1_CON_PRSCLV(x) (((x) & 0xFF) << 6) #define ADC_V1_CON_STANDBY (1u << 2) -/* Bit definitions for S3C2410 ADC */ +/* Bit definitions for S3C2410 / S3C6410 ADC */ #define ADC_S3C2410_CON_SELMUX(x) (((x) & 7) << 3) -#define ADC_S3C2410_DATX_MASK 0x3FF -#define ADC_S3C2416_CON_RES_SEL (1u << 3) /* touch screen always uses channel 0 */ #define ADC_S3C2410_MUX_TS 0 @@ -307,53 +302,6 @@ static const struct exynos_adc_data exynos_adc_s5pv210_data = { .start_conv = exynos_adc_v1_start_conv, }; -static void exynos_adc_s3c2416_start_conv(struct exynos_adc *info, - unsigned long addr) -{ - u32 con1; - - /* Enable 12 bit ADC resolution */ - con1 = readl(ADC_V1_CON(info->regs)); - con1 |= ADC_S3C2416_CON_RES_SEL; - writel(con1, ADC_V1_CON(info->regs)); - - /* Select channel for S3C2416 */ - writel(addr, ADC_S3C2410_MUX(info->regs)); - - con1 = readl(ADC_V1_CON(info->regs)); - writel(con1 | ADC_CON_EN_START, ADC_V1_CON(info->regs)); -} - -static struct exynos_adc_data const exynos_adc_s3c2416_data = { - .num_channels = MAX_ADC_V1_CHANNELS, - .mask = ADC_DATX_MASK, /* 12 bit ADC resolution */ - - .init_hw = exynos_adc_v1_init_hw, - .exit_hw = exynos_adc_v1_exit_hw, - .start_conv = exynos_adc_s3c2416_start_conv, -}; - -static void exynos_adc_s3c2443_start_conv(struct exynos_adc *info, - unsigned long addr) -{ - u32 con1; - - /* Select channel for S3C2433 */ - writel(addr, ADC_S3C2410_MUX(info->regs)); - - con1 = readl(ADC_V1_CON(info->regs)); - writel(con1 | ADC_CON_EN_START, ADC_V1_CON(info->regs)); -} - -static struct exynos_adc_data const exynos_adc_s3c2443_data = { - .num_channels = MAX_ADC_V1_CHANNELS, - .mask = ADC_S3C2410_DATX_MASK, /* 10 bit ADC resolution */ - - .init_hw = exynos_adc_v1_init_hw, - .exit_hw = exynos_adc_v1_exit_hw, - .start_conv = exynos_adc_s3c2443_start_conv, -}; - static void exynos_adc_s3c64xx_start_conv(struct exynos_adc *info, unsigned long addr) { @@ -365,15 +313,6 @@ static void exynos_adc_s3c64xx_start_conv(struct exynos_adc *info, writel(con1 | ADC_CON_EN_START, ADC_V1_CON(info->regs)); } -static struct exynos_adc_data const exynos_adc_s3c24xx_data = { - .num_channels = MAX_ADC_V1_CHANNELS, - .mask = ADC_S3C2410_DATX_MASK, /* 10 bit ADC resolution */ - - .init_hw = exynos_adc_v1_init_hw, - .exit_hw = exynos_adc_v1_exit_hw, - .start_conv = exynos_adc_s3c64xx_start_conv, -}; - static struct exynos_adc_data const exynos_adc_s3c64xx_data = { .num_channels = MAX_ADC_V1_CHANNELS, .mask = ADC_DATX_MASK, /* 12 bit ADC resolution */ @@ -486,18 +425,6 @@ static const struct exynos_adc_data exynos7_adc_data = { static const struct of_device_id exynos_adc_match[] = { { - .compatible = "samsung,s3c2410-adc", - .data = &exynos_adc_s3c24xx_data, - }, { - .compatible = "samsung,s3c2416-adc", - .data = &exynos_adc_s3c2416_data, - }, { - .compatible = "samsung,s3c2440-adc", - .data = &exynos_adc_s3c24xx_data, - }, { - .compatible = "samsung,s3c2443-adc", - .data = &exynos_adc_s3c2443_data, - }, { .compatible = "samsung,s3c6410-adc", .data = &exynos_adc_s3c64xx_data, }, { -- 2.48.1