From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 19AB827933F; Tue, 5 Aug 2025 13:55:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754402146; cv=none; b=R2QvjdPLmPX9KXISFFICbEcc9scLqgYQrJySprlgql6u9OJVxbTr4RbJ37AsdVwmCyx3eu0yIbCGMdeJ/9s8swCrm9ZReKB4z4v9LhgEagBT4SPO8/Ep/w7YjChy/zGbdoT22I9T1gVYqfqg1GPghw98CZp+r+d31XfFAT/yl8Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754402146; c=relaxed/simple; bh=QrA/Xokh90+kDFECONsQQVqj9UU/nsY1j4IrUZFY+Jc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=aJoZrrjHBLkd9lADFFLjZb8SqO/Ew0zhuL3m1R+u4kG1xwYzaL5UOy9AH0AaxVztPqXJq31k44ug1HmX4YGQ8XSZ4gkqxnWTMjYqPkSaExDDrgGuwltOFDyTCM9rAStb94fsgU/A53TmY+MCSczrewExYEptqzW1J110//1DpLk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=bFcv2bXO; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="bFcv2bXO" 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> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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