From nobody Thu Oct 2 15:35:43 2025 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 64CF734166B; Mon, 15 Sep 2025 15:21:30 +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=1757949692; cv=none; b=ct/w1T4zqCdizyNwqQ3E9VH6DLJXKiyUERC+7GUofMWzb61/nQTnzMNRr81xmDsacmpSWrJi8p6R6yB67JKB95Aponqd1d0ceBqkVap2SJmXJsWBdEbCCzaCle7idubB5SViXeCjemhd+SJI3VVv8rQ7yEhzp4McsoBLsCLXxhM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757949692; c=relaxed/simple; bh=y/P+FPCXH4aX8jtnTkUBgDHbGcECOoCrXxvz0EPV99Y=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=Pp6MHII/iIfs7dVIy6PZtGsUZcT32QJZdvyBNRlO55TZNHU4Y9a0JKLjt9lx5gaoW68iCSVcBRyQ9RRO+QmmV+R7BLqnYPEI10I5Q0nXL/uX/W2DXarbpe3v2LzqZSj+rxAx2VJX0y453cQCQILj/pJlqBscQJtf1Wg86NWClhs= 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=loLrEGnR; 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="loLrEGnR" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1757949688; bh=y/P+FPCXH4aX8jtnTkUBgDHbGcECOoCrXxvz0EPV99Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=loLrEGnRhEoV2cwnYWZRNj39otzWxwhQ/b9731cRRA4H4iEYSMTWmAF3otPAv7y90 iShIRwEzz2yoMUHmWWr5nZhIi4Gqo5NSjJW81IPy1p9vhGFjd1KXZHK/jJELeYUCuu 5FpcPrUEPZVViM4BdzFRMh5RGWWg8/JWqV0yNttAT4Ws0SVqwmD+k/AzTMqYCaBixZ CVV6phNL0YzBP+FAtgAKTMhhjxAr5iwN/NKnUz1uyM/Qg8Z4lmefwgCRIUtenVmRJ+ 8g+4YZhjfQLOmTd6IVo/xdw6J8V0hWDvD4MmO+3hqpB5htc4zJYrBKjefKM6OX6Cg0 koOfCC3Ce0R4A== Received: from laura.lan (unknown [IPv6:2001:b07:646b:e2:1c8d:f5ba:823d:730b]) (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 C379C17E137B; Mon, 15 Sep 2025 17:21:27 +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 v6 04/27] clk: mediatek: clk-mtk: Introduce mtk_clk_get_hwv_regmap() Date: Mon, 15 Sep 2025 17:19:24 +0200 Message-Id: <20250915151947.277983-5-laura.nao@collabora.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250915151947.277983-1-laura.nao@collabora.com> References: <20250915151947.277983-1-laura.nao@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable On MT8196, some clock controllers use a separate regmap for hardware voting via set/clear/status registers. Add=E2=80=AFmtk_clk_get_hwv_regmap()= to retrieve this optional regmap, avoiding duplicated lookup code in=E2=80=AF mtk_clk_register_muxes() and=E2=80=AFmtk_clk_register_gate(). Reviewed-by: N=C3=ADcolas F. R. A. Prado Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Chen-Yu Tsai 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 *pde= v) } EXPORT_SYMBOL_GPL(mtk_clk_simple_remove); =20 +struct regmap *mtk_clk_get_hwv_regmap(struct device_node *node) +{ + struct device_node *hwv_node; + struct regmap *regmap_hwv; + + hwv_node =3D of_parse_phandle(node, "mediatek,hardware-voter", 0); + if (!hwv_node) + return NULL; + + regmap_hwv =3D 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 c17fe1c2d732..11962fac43ea 100644 --- a/drivers/clk/mediatek/clk-mtk.h +++ b/drivers/clk/mediatek/clk-mtk.h @@ -245,5 +245,6 @@ 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); =20 #endif /* __DRV_CLK_MTK_H */ --=20 2.39.5