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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E35DC4338F for ; Mon, 16 Aug 2021 03:20:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 21262617E6 for ; Mon, 16 Aug 2021 03:20:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233247AbhHPDVI (ORCPT ); Sun, 15 Aug 2021 23:21:08 -0400 Received: from lucky1.263xmail.com ([211.157.147.131]:47138 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230262AbhHPDUv (ORCPT ); Sun, 15 Aug 2021 23:20:51 -0400 Received: from localhost (unknown [192.168.167.70]) by lucky1.263xmail.com (Postfix) with ESMTP id B41D9C25EB; Mon, 16 Aug 2021 11:20:09 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-SKE-CHECKED: 1 X-ANTISPAM-LEVEL: 2 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P4989T139770959193856S1629084004780123_; Mon, 16 Aug 2021 11:20:08 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: X-RL-SENDER: jay.xu@rock-chips.com X-SENDER: xjq@rock-chips.com X-LOGIN-NAME: jay.xu@rock-chips.com X-FST-TO: lgirdwood@gmail.com X-RCPT-COUNT: 9 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Jianqun Xu To: lgirdwood@gmail.com, broonie@kernel.org, ulf.hansson@linaro.org, lee.jones@linaro.org, zhangchangzhong@huawei.com, heiko@sntech.de Cc: linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Jianqun Xu Subject: [PATCH 4/4] soc: rockchip: io-domain: do more thing about regulator notify Date: Mon, 16 Aug 2021 11:20:03 +0800 Message-Id: <20210816032003.1162779-5-jay.xu@rock-chips.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210816032003.1162779-1-jay.xu@rock-chips.com> References: <20210816032003.1162779-1-jay.xu@rock-chips.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Do a fix to rockchip io-domain, follow this orders: * system running state -> io-domain vsel to 3.3V -> regulator_enable -> vsel change according to regulator voltage * system running state -> io-domain vsel to 3.3V -> regulator_disable Found on some Rockchip SoCs, the regulator enable or disable without care about the io-domain maybe caused soc damaged. Signed-off-by: Jianqun Xu --- drivers/soc/rockchip/io-domain.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/soc/rockchip/io-domain.c b/drivers/soc/rockchip/io-domain.c index cf8182fc3642..af5fb11ad9a3 100644 --- a/drivers/soc/rockchip/io-domain.c +++ b/drivers/soc/rockchip/io-domain.c @@ -123,6 +123,12 @@ static int rockchip_iodomain_notify(struct notifier_block *nb, } else if (event & (REGULATOR_EVENT_VOLTAGE_CHANGE | REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE)) { uV = (unsigned long)data; + } else if (event & REGULATOR_EVENT_PRE_ENABLE) { + uV = MAX_VOLTAGE_3_3; + } else if (event & REGULATOR_EVENT_PRE_DISABLE) { + uV = MAX_VOLTAGE_3_3; + } else if (event & REGULATOR_EVENT_ENABLE) { + uV = (unsigned long)data; } else { return NOTIFY_OK; } -- 2.25.1 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 X-Spam-Level: X-Spam-Status: No, score=-17.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F14F4C43214 for ; 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Mon, 16 Aug 2021 11:20:08 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: X-RL-SENDER: jay.xu@rock-chips.com X-SENDER: xjq@rock-chips.com X-LOGIN-NAME: jay.xu@rock-chips.com X-FST-TO: lgirdwood@gmail.com X-RCPT-COUNT: 9 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Jianqun Xu To: lgirdwood@gmail.com, broonie@kernel.org, ulf.hansson@linaro.org, lee.jones@linaro.org, zhangchangzhong@huawei.com, heiko@sntech.de Cc: linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Jianqun Xu Subject: [PATCH 4/4] soc: rockchip: io-domain: do more thing about regulator notify Date: Mon, 16 Aug 2021 11:20:03 +0800 Message-Id: <20210816032003.1162779-5-jay.xu@rock-chips.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210816032003.1162779-1-jay.xu@rock-chips.com> References: <20210816032003.1162779-1-jay.xu@rock-chips.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210815_202013_328788_5ED75BD3 X-CRM114-Status: GOOD ( 10.21 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Do a fix to rockchip io-domain, follow this orders: * system running state -> io-domain vsel to 3.3V -> regulator_enable -> vsel change according to regulator voltage * system running state -> io-domain vsel to 3.3V -> regulator_disable Found on some Rockchip SoCs, the regulator enable or disable without care about the io-domain maybe caused soc damaged. Signed-off-by: Jianqun Xu --- drivers/soc/rockchip/io-domain.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/soc/rockchip/io-domain.c b/drivers/soc/rockchip/io-domain.c index cf8182fc3642..af5fb11ad9a3 100644 --- a/drivers/soc/rockchip/io-domain.c +++ b/drivers/soc/rockchip/io-domain.c @@ -123,6 +123,12 @@ static int rockchip_iodomain_notify(struct notifier_block *nb, } else if (event & (REGULATOR_EVENT_VOLTAGE_CHANGE | REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE)) { uV = (unsigned long)data; + } else if (event & REGULATOR_EVENT_PRE_ENABLE) { + uV = MAX_VOLTAGE_3_3; + } else if (event & REGULATOR_EVENT_PRE_DISABLE) { + uV = MAX_VOLTAGE_3_3; + } else if (event & REGULATOR_EVENT_ENABLE) { + uV = (unsigned long)data; } else { return NOTIFY_OK; } -- 2.25.1 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip