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 B3696CAC59E for ; Mon, 15 Sep 2025 15:21:45 +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=lrODbfuk3wTJKoiHHRnLVW+57KNQX+3wAOmW/vQujTc=; b=HQic2FMzs9VFiD/3/qdwyiXg7n G7d3RSrHju3soj150pSQlbBMIuBHmXAzwD1iM7D+5J+3RbSQq0QNFk6PQtLyMwaOYfkQ210rklzCi dMYB7S1riJTC4yaFqs7MugYvGqtWtRxOeNgZg5JuULqarEEjx40NeMAB5vfDUwNatvOiyzpP/d7Th YbvscGCanNio4QqpKPkAl7YkxYRm6J5bZT7l6gSEEURv4hATM81rH8fBJpPSlFFXFBuR8zv/Wa0E5 8kM+qVr2wGx/lXssTFS+v5VjJNJLfUckUpCUelPq52UoNZumdRCbq7jcJYs4aZL00mI8+WLS99fEb LMtv0loA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uyB1P-00000004snU-1ENK; Mon, 15 Sep 2025 15:21:39 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uyB1G-00000004scU-31Yt; Mon, 15 Sep 2025 15:21:31 +0000 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> 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-20250915_082130_917940_33752E5F X-CRM114-Status: GOOD ( 11.93 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=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 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 *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 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); #endif /* __DRV_CLK_MTK_H */ -- 2.39.5