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 DF32DC87FD1 for ; Tue, 5 Aug 2025 14:09:19 +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:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=aFw9hDkRofkm7QyOK3hepymjuKDsl2o49j22MxsXHKQ=; b=K0BplsPeJd1Hkxh6gj63aZaqjt jDwDf4L01hZYIXCOvpzp8BKP+86EEQji73Yqe01FFiI3Pr3M7rTjxhhWKXGSp25+4KfTZkOEix5vp o3YhhU1cSOS4JZP/U6TnzG96SAEee/UBHkTBXRBhZvSJP6RFHgqkouKlP6OVYWawjvtlrNOkVFRRE ZzoWx2ykRswI1NasX2rmVQQTWtH9u8aBUzMHC0kvHk2pTQX73PtTe1SnPjfmF1nzNySDcNnDF6V++ pe18GLGx90hp6aybzW4WKEpIJ0/ZaFFiaNoLI9BcJ7sLGcwrBlL64socBN3pd5AaQG9euceRtvYqi 24amki5Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ujILu-0000000Cx89-2UqO; Tue, 05 Aug 2025 14:09:18 +0000 Received: from bali.collaboradmins.com ([2a01:4f8:201:9162::2]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ujI8n-0000000Cu82-0RCe; Tue, 05 Aug 2025 13:55:46 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1754402143; bh=QrA/Xokh90+kDFECONsQQVqj9UU/nsY1j4IrUZFY+Jc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bFcv2bXOmlm4namydLVeJNdj47+UeD9LlOs3lgHc0qhTzQOMwPmQMlaHCZalXK/wQ FxwDLzMwRSNbWxRUlRi7HEZxo9VqA4xavs4SOYKvq9Oax91ikQ+yHrwHscHjy5HOtl a+m4ycA5XNKqDKvCpf30+D7nNPJnllUpS9MylFTAZryxCednJz3SsIB92NapsJttpn jdvtCa/YmnBDCKj5w/ysT9GckR6rjE4zZfs2JUVVAqXkj0zJX2j3OpRkdQlwMQ2JPt 3EYumniibZxa5pshiceqjAqNU3ppK/EpkThfirj4lylCsTDI94qzhtoyzKwMyn1aBg CnI8CJWrQR81g== Received: from laura.lan (unknown [IPv6:2001:b07:646b:e2:1976:d3fe:e682:e398]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: laura.nao) by bali.collaboradmins.com (Postfix) with ESMTPSA id B25A817E0DB9; Tue, 5 Aug 2025 15:55:42 +0200 (CEST) From: Laura Nao To: mturquette@baylibre.com, sboyd@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, p.zabel@pengutronix.de, richardcochran@gmail.com Cc: guangjie.song@mediatek.com, wenst@chromium.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, netdev@vger.kernel.org, kernel@collabora.com, Laura Nao , =?UTF-8?q?N=C3=ADcolas=20F=20=2E=20R=20=2E=20A=20=2E=20Prado?= Subject: [PATCH v4 04/27] clk: mediatek: clk-mtk: Introduce mtk_clk_get_hwv_regmap() Date: Tue, 5 Aug 2025 15:54:24 +0200 Message-Id: <20250805135447.149231-5-laura.nao@collabora.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250805135447.149231-1-laura.nao@collabora.com> References: <20250805135447.149231-1-laura.nao@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250805_065545_299053_B351DADA X-CRM114-Status: GOOD ( 11.85 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On MT8196, some clock controllers use a separate regmap for hardware voting via set/clear/status registers. Add mtk_clk_get_hwv_regmap() to retrieve this optional regmap, avoiding duplicated lookup code in  mtk_clk_register_muxes() and mtk_clk_register_gate(). Reviewed-by: Nícolas F. R. A. Prado Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Laura Nao --- drivers/clk/mediatek/clk-mtk.c | 16 ++++++++++++++++ drivers/clk/mediatek/clk-mtk.h | 1 + 2 files changed, 17 insertions(+) diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c index ba1d1c495bc2..19cd27941747 100644 --- a/drivers/clk/mediatek/clk-mtk.c +++ b/drivers/clk/mediatek/clk-mtk.c @@ -685,4 +685,20 @@ void mtk_clk_simple_remove(struct platform_device *pdev) } EXPORT_SYMBOL_GPL(mtk_clk_simple_remove); +struct regmap *mtk_clk_get_hwv_regmap(struct device_node *node) +{ + struct device_node *hwv_node; + struct regmap *regmap_hwv; + + hwv_node = of_parse_phandle(node, "mediatek,hardware-voter", 0); + if (!hwv_node) + return NULL; + + regmap_hwv = device_node_to_regmap(hwv_node); + of_node_put(hwv_node); + + return regmap_hwv; +} +EXPORT_SYMBOL_GPL(mtk_clk_get_hwv_regmap); + MODULE_LICENSE("GPL"); diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h index 136a4bc6dbe6..8ed2c9208b1f 100644 --- a/drivers/clk/mediatek/clk-mtk.h +++ b/drivers/clk/mediatek/clk-mtk.h @@ -247,5 +247,6 @@ int mtk_clk_pdev_probe(struct platform_device *pdev); void mtk_clk_pdev_remove(struct platform_device *pdev); int mtk_clk_simple_probe(struct platform_device *pdev); void mtk_clk_simple_remove(struct platform_device *pdev); +struct regmap *mtk_clk_get_hwv_regmap(struct device_node *node); #endif /* __DRV_CLK_MTK_H */ -- 2.39.5