From patchwork Thu Jan 4 02:42:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wenhua Lin X-Patchwork-Id: 760574 Received: from SHSQR01.spreadtrum.com (mx1.unisoc.com [222.66.158.135]) (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 C56C64C7D for ; Thu, 4 Jan 2024 02:43:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=unisoc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=unisoc.com Received: from dlp.unisoc.com ([10.29.3.86]) by SHSQR01.spreadtrum.com with ESMTP id 4042h8JW001784; Thu, 4 Jan 2024 10:43:08 +0800 (+08) (envelope-from Wenhua.Lin@unisoc.com) Received: from SHDLP.spreadtrum.com (shmbx06.spreadtrum.com [10.0.1.11]) by dlp.unisoc.com (SkyGuard) with ESMTPS id 4T59h7758Yz2Qby50; Thu, 4 Jan 2024 10:36:23 +0800 (CST) Received: from xm9614pcu.spreadtrum.com (10.13.2.29) by shmbx06.spreadtrum.com (10.0.1.11) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Thu, 4 Jan 2024 10:43:06 +0800 From: Wenhua Lin To: Linus Walleij , Andy Shevchenko , Bartosz Golaszewski CC: Orson Zhai , Baolin Wang , Chunyan Zhang , , , wenhua lin , Wenhua Lin , Xiongpeng Wu Subject: [PATCH V3 1/4] gpio: eic-sprd: Keep the clock rtc_1k on Date: Thu, 4 Jan 2024 10:42:41 +0800 Message-ID: <20240104024244.12163-2-Wenhua.Lin@unisoc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240104024244.12163-1-Wenhua.Lin@unisoc.com> References: <20240104024244.12163-1-Wenhua.Lin@unisoc.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: SHCAS03.spreadtrum.com (10.0.1.207) To shmbx06.spreadtrum.com (10.0.1.11) X-MAIL: SHSQR01.spreadtrum.com 4042h8JW001784 The eic debounce does not have a clock of rtc_1k in the sleep state, but the eic debounce will be used to wake up the system, therefore the clock of rtc_1k needs to be kept open. Signed-off-by: Wenhua Lin --- drivers/gpio/gpio-eic-sprd.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpio/gpio-eic-sprd.c b/drivers/gpio/gpio-eic-sprd.c index be7f2fa5aa7b..bdcb3510a208 100644 --- a/drivers/gpio/gpio-eic-sprd.c +++ b/drivers/gpio/gpio-eic-sprd.c @@ -24,6 +24,7 @@ #define SPRD_EIC_DBNC_IC 0x24 #define SPRD_EIC_DBNC_TRIG 0x28 #define SPRD_EIC_DBNC_CTRL0 0x40 +#define SPRD_EIC_DBNC_FORCE_CLK 0x8000 #define SPRD_EIC_LATCH_INTEN 0x0 #define SPRD_EIC_LATCH_INTRAW 0x4 @@ -223,6 +224,7 @@ static int sprd_eic_set_debounce(struct gpio_chip *chip, unsigned int offset, u32 value = readl_relaxed(base + reg) & ~SPRD_EIC_DBNC_MASK; value |= (debounce / 1000) & SPRD_EIC_DBNC_MASK; + value |= SPRD_EIC_DBNC_FORCE_CLK; writel_relaxed(value, base + reg); return 0;