From patchwork Fri Jan 28 00:38:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Geis X-Patchwork-Id: 537771 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75044C433F5 for ; Fri, 28 Jan 2022 00:38:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241520AbiA1AiS (ORCPT ); Thu, 27 Jan 2022 19:38:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241477AbiA1AiS (ORCPT ); Thu, 27 Jan 2022 19:38:18 -0500 Received: from mail-qv1-xf30.google.com (mail-qv1-xf30.google.com [IPv6:2607:f8b0:4864:20::f30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B6FFDC06173B; Thu, 27 Jan 2022 16:38:17 -0800 (PST) Received: by mail-qv1-xf30.google.com with SMTP id h16so4389011qvk.10; Thu, 27 Jan 2022 16:38:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=vajErjDWK29FvNOeA4ceH5ORPugHRCo1to0RNKcwTFU=; b=n6hH5bE0tAhwSpDQfYcACSaoNCPingDZDvHbL/z2fUqpjUxXolUF5Lddf+Ulk3FcSk uIOaVxUSetYMbtgUL0PF//qrQ+foqdwWOi8MdsUTvIKtGuK4LDg66AIG3XcN3BccrqPR wrowKuCSNvx8hSimAVZKlwiPzMgCci4UK+n6C1uawK3mML4uwLcuZTRfrGUsdIX9gmO4 qYTZ4FBTwIR4gt+8pbcHeiXcBStn0TwITrVx5QgX2p18LC59OkW3pUTYzm8W/FKQZxZS C9tyb9vVM+CmJm7Ytw1WX7n3e4pFr9oaS27ge+VViaJ9nkHXcIR4ngAV7/6hELyoZD4I J/UA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=vajErjDWK29FvNOeA4ceH5ORPugHRCo1to0RNKcwTFU=; b=kl3WGC1z1fzzMhjrDGOopwubuqrMi4vIEg/1EoyPntcgtC2c/bjZLZYc30ahMbCNgd FSDXX7Yo0Mzx67teVz/zUNVXxVQCGBpGHtEjEfEsFxiGVr2AYWMM+lFN6WMDhVDOQyCF RK7e25JDq6SufCi6YoZhy+tHuALR7s+5pNIX7ORIXBjoymKMw/23PX5R32yDS64zJn0m MaStJTZxrqJGzlZt+JaY7G0/yvYLwnEAbx3tdbWMqJeWN92Urc4K6egGI5vcQYjlwJ2L 7Ite0ObpbJ1XsiG9uURHO4ja4C6REjJ1c6L582U6fVYG5SGse/K3Snn2r0Z1mTw4YUab oVnQ== X-Gm-Message-State: AOAM530eF8GK09ujtLqqUrDVjauBd/WF83P3PRsiCyBRG5Ryz1+kA9Fe i7iB8PpeGvbDjnTA6E2+AM4= X-Google-Smtp-Source: ABdhPJx6Ewcb3mNLM99tOI9RuDyK8k/N3O3ytSQsjCpu8y3yQASkoh7sG45wXL3ayDBANmW6nd8v9w== X-Received: by 2002:ad4:5968:: with SMTP id eq8mr5136360qvb.80.1643330295757; Thu, 27 Jan 2022 16:38:15 -0800 (PST) Received: from master-x64.sparksnet (c-98-233-193-225.hsd1.dc.comcast.net. [98.233.193.225]) by smtp.gmail.com with ESMTPSA id t1sm2142883qtc.48.2022.01.27.16.38.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Jan 2022 16:38:15 -0800 (PST) From: Peter Geis To: Rob Herring , Heiko Stuebner , Peter Geis Cc: Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/4] arm64: dts: rockchip: fix Quartz64-A ddr regulator voltage Date: Thu, 27 Jan 2022 19:38:05 -0500 Message-Id: <20220128003809.3291407-2-pgwipeout@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220128003809.3291407-1-pgwipeout@gmail.com> References: <20220128003809.3291407-1-pgwipeout@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The Quartz64 Model A uses a voltage divider to ensure ddr voltage is within specification from the default regulator configuration. Adjusting this voltage is detrimental, and currently causes the ddr voltage to be about 0.8v. Remove the min and max voltage setpoints for the ddr regulator. Fixes: b33a22a1e7c4 ("arm64: dts: rockchip: add basic dts for Pine64 Quartz64-A") Signed-off-by: Peter Geis --- arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts index 166399b7f13f..d9eb92d59099 100644 --- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts +++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts @@ -285,8 +285,6 @@ regulator-state-mem { vcc_ddr: DCDC_REG3 { regulator-always-on; regulator-boot-on; - regulator-min-microvolt = <1100000>; - regulator-max-microvolt = <1100000>; regulator-initial-mode = <0x2>; regulator-name = "vcc_ddr"; regulator-state-mem {