From nobody Thu Dec 18 15:27:39 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 1D53B1849E4 for ; Mon, 15 Jul 2024 08:40:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721032803; cv=none; b=erXznI/6ZD1iTFioLBwJcs8exwruwujHi8qHj/R5X3Onqq8VOOEhCx27VIfxruIOG4j3+AV9qoDnvg/Cvr98cnWmbFQ7hC2G4XJPK+G7enfk9Qgnp0BXO/Av/7urnKFZ3FyeDE5CDjoo1BPvr3ztjWfNZuanZiBVnnPJMnyJb5U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721032803; c=relaxed/simple; bh=yucCIDomIMUeYvavvG6WOeiBbK/6iHEzd0B1YMaaHXw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Ft2iBkdCe7x6Qu5jC2c3sPQU1kbF/hbfD9ItNWtV0nmZO60KWtV+oTu20YFnBBFNbxnjHomxRecsmAOlDB2x4z/I73sLK0H8Ey6OtNt8kGefBiL+pEx1ysFgiINpM9JXedM0l/6sELrL9M+EQN9+vZ4MrDxEHhZxeBZnxnpYT/s= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dRyhrhGB; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dRyhrhGB" Received: by smtp.kernel.org (Postfix) with ESMTPS id B6DBDC4AF0F; Mon, 15 Jul 2024 08:40:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721032802; bh=yucCIDomIMUeYvavvG6WOeiBbK/6iHEzd0B1YMaaHXw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=dRyhrhGBVnO37w4YPOPJIMnaRQheKTLzUPStb26czHJek9WQm30PgWEAdFxkrd+DR UgnZhdvM3TBUN1Q6aHZ7nMUqf4F16v1d6HtR6phVv1lv+i8RdbpZt4bUqAzIkwE83A Hg7m6IPzOIGOwaHWwWXVNp6o+2d6DnyX67bSOlVqEyuLxMZ2MwOkTc/5shDj9bZ3Kj 43WCvChBJpa1+/wAAnJ2A8sHAJC9Pa2f0MJ4v7AyzmQLTXWFiKEGD+uA4cfeeJvlze JbMHQ8miP3mxidXWBzgggN3TCgWrFpmsgXHNXU5hYXRvPYUC+z7NCl74NtXuNUU7n4 44StMkbmVkAig== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id A71F3C3DA52; Mon, 15 Jul 2024 08:40:02 +0000 (UTC) From: Nikita Shubin via B4 Relay Date: Mon, 15 Jul 2024 11:38:06 +0300 Subject: [PATCH v11 02/38] ARM: ep93xx: add regmap aux_dev 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 Message-Id: <20240715-ep93xx-v11-2-4e924efda795@maquefel.me> References: <20240715-ep93xx-v11-0-4e924efda795@maquefel.me> In-Reply-To: <20240715-ep93xx-v11-0-4e924efda795@maquefel.me> To: Nikita Shubin , Linus Walleij , Sergey Shtylyov , Stephen Boyd , Thierry Reding Cc: Dmitry Torokhov , linux-kernel@vger.kernel.org X-Mailer: b4 0.13-dev-e3e53 X-Developer-Signature: v=1; a=ed25519-sha256; t=1721032799; l=1982; i=nikita.shubin@maquefel.me; s=20230718; h=from:subject:message-id; bh=qKYG1dvu9jbPQUSaZcYLmIk38kz0vsDfRewTf4KPvt0=; b=LfNFp94jxxV/2Z2wggHFMPynSfzV09a+9Pn/cRu4/72oXutIXD50q8Lp+hxrcY8BDfTObmmP4wsL I4fa8KJXBsK6AtW9eN/K/Ho1v0NOLsWVcupqFHIobRealB/O7V8r X-Developer-Key: i=nikita.shubin@maquefel.me; a=ed25519; pk=vqf5YIUJ7BJv3EJFaNNxWZgGuMgDH6rwufTLflwU9ac= X-Endpoint-Received: by B4 Relay for nikita.shubin@maquefel.me/20230718 with auth_id=65 X-Original-From: Nikita Shubin Reply-To: nikita.shubin@maquefel.me From: Nikita Shubin The following driver's should be instantiated by ep93xx syscon driver: - reboot - pinctrl - clock They all require access to DEVCFG register with a shared lock held, to avoid conflict writing to swlocked parts of DEVCFG. Provide common resources such as base, regmap and spinlock via auxiliary bus framework. Signed-off-by: Nikita Shubin Tested-by: Alexander Sverdlin Reviewed-by: Linus Walleij Reviewed-by: Stephen Boyd --- include/linux/soc/cirrus/ep93xx.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/include/linux/soc/cirrus/ep93xx.h b/include/linux/soc/cirrus/e= p93xx.h index 56fbe2dc59b1..a27447971302 100644 --- a/include/linux/soc/cirrus/ep93xx.h +++ b/include/linux/soc/cirrus/ep93xx.h @@ -3,6 +3,18 @@ #define _SOC_EP93XX_H =20 struct platform_device; +struct regmap; +struct spinlock_t; + +enum ep93xx_soc_model { + EP93XX_9301_SOC, + EP93XX_9307_SOC, + EP93XX_9312_SOC, +}; + +#include +#include +#include =20 #define EP93XX_CHIP_REV_D0 3 #define EP93XX_CHIP_REV_D1 4 @@ -10,6 +22,20 @@ struct platform_device; #define EP93XX_CHIP_REV_E1 6 #define EP93XX_CHIP_REV_E2 7 =20 +struct ep93xx_regmap_adev { + struct auxiliary_device adev; + struct regmap *map; + void __iomem *base; + spinlock_t *lock; + void (*write)(struct regmap *map, spinlock_t *lock, unsigned int reg, + unsigned int val); + void (*update_bits)(struct regmap *map, spinlock_t *lock, + unsigned int reg, unsigned int mask, unsigned int val); +}; + +#define to_ep93xx_regmap_adev(_adev) \ + container_of((_adev), struct ep93xx_regmap_adev, adev) + #ifdef CONFIG_ARCH_EP93XX int ep93xx_pwm_acquire_gpio(struct platform_device *pdev); void ep93xx_pwm_release_gpio(struct platform_device *pdev); --=20 2.43.2