From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 15 Jun 2026 09:47:32 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wZ22e-0063st-1F for lore@lore.pengutronix.de; Mon, 15 Jun 2026 09:47:32 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1wZ22d-0004iL-Lc for lore@pengutronix.de; Mon, 15 Jun 2026 09:47:32 +0200 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:Message-Id:Date: Content-Transfer-Encoding:Content-Type:In-Reply-To:Cc:To:Subject:From: Reply-To:MIME-Version:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:References:List-Owner; bh=qgGIQAV0WfNmr3bg3r/9N8IaVVxKmYOMtZHSVT7sdTs=; b=tzWD7eQGCJH/PbIi5Y0FpGFQD/ yk0ZfJh83X9g6S8pYuctKVCOLQ4bOo9/YCcfh9eGIslJRwZAVrdTgh9/Xi5qSK3Ic0QCpSX1YvOJQ 486WnFAq6LEuqacN8Tv8gWTzZaKErIXy/d5q7fXEOp3PpW0c5uCVlhtUmmpfjMvflvxqLOz90wzdK T9tHytYCaD95NEJBe2KjbpxImnD145iB58Cdo/94QMdv+cBDx9y33ygcs8Y2HFPQxkD9VLpnjlWtF lIWUFWvqBOsmJGJKynbCXtIrLOaOmhs4QXU+gfPOiNm+7GYR7q0vCKuDdfikN6s96o4A1pbvbisDX 9Z4PlGow==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wZ21Y-0000000DoJj-2hje; Mon, 15 Jun 2026 07:46:24 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wZ21W-0000000DoJO-1BCC for barebox@lists.infradead.org; Mon, 15 Jun 2026 07:46:24 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1wZ21U-0004RC-NQ; Mon, 15 Jun 2026 09:46:20 +0200 Received: from pty.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::c5]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wZ21U-002pIi-2B; Mon, 15 Jun 2026 09:46:20 +0200 Received: from sha by pty.whiteo.stw.pengutronix.de with local (Exim 4.98.2) (envelope-from ) id 1wZ21U-00000006G4m-2Squ; Mon, 15 Jun 2026 09:46:20 +0200 From: "Sascha Hauer" To: "Oleksij Rempel" Cc: barebox@lists.infradead.org, "Oleksij Rempel" In-Reply-To: <20260612055930.635833-3-o.rempel@pengutronix.de> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Mon, 15 Jun 2026 07:46:20 +0000 Message-Id: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260615_004622_928328_EBDA273E X-CRM114-Status: GOOD ( 22.20 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.1 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH v1 03/10] clk: add Microchip LAN966X / LAN969X generic clock controller driver X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On 2026-06-12 07:59, Oleksij Rempel wrote: > Port the Microchip LAN966X Generic Clock Controller (GCK) driver from > the Linux kernel. GCK generates and supplies clocks to peripherals on > the LAN966X and LAN969X switch SoCs (UART, SDHCI, QSPI, SGPIO, ...). >=20 > Ported from Linux drivers/clk/clk-lan966x.c at tag v7.1-rc7 > Barebox-specific deltas: > - probe() takes `struct device *` instead of `platform_device` > - no devm_* - explicit kfree on probe failure > - clk_parent_data carries both `.fw_name` (for Linux source-compat) and > `.name` (used by barebox at register time, since barebox's clk > framework does not resolve `fw_name` via clock-names). > - Linux's `.determine_rate` is implemented here as `.round_rate`. >=20 > Signed-off-by: Oleksij Rempel > --- > drivers/clk/Kconfig | 9 ++ > drivers/clk/Makefile | 1 + > drivers/clk/clk-lan966x.c | 325 ++++++++++++++++++++++++++++++++++++++ > 3 files changed, 335 insertions(+) > create mode 100644 drivers/clk/clk-lan966x.c >=20 > diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig > index d2a61329e125..fe7056f8971b 100644 > --- a/drivers/clk/Kconfig > +++ b/drivers/clk/Kconfig > @@ -84,4 +84,13 @@ config COMMON_CLK_GPIO > =20 > source "drivers/clk/sifive/Kconfig" > =20 > +config COMMON_CLK_LAN966X > + bool "Generic Clock Controller driver for LAN966X SoC" > + depends on OFDEVICE > + depends on COMMON_CLK > + help > + Microchip LAN966X and LAN969X SoC Generic Clock Controller (GCK). > + GCK generates and supplies clocks to various peripherals within the > + SoC. > + > endif > diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile > index 4fda2c1e0dd3..d7e06de04230 100644 > --- a/drivers/clk/Makefile > +++ b/drivers/clk/Makefile > @@ -33,3 +33,4 @@ obj-$(CONFIG_COMMON_CLK_SCMI) +=3D clk-scmi.o > obj-$(CONFIG_COMMON_CLK_GPIO) +=3D clk-gpio.o > obj-$(CONFIG_TI_SCI_CLK) +=3D ti-sci-clk.o > obj-$(CONFIG_ARCH_K3) +=3D k3/ > +obj-$(CONFIG_COMMON_CLK_LAN966X) +=3D clk-lan966x.o > diff --git a/drivers/clk/clk-lan966x.c b/drivers/clk/clk-lan966x.c > new file mode 100644 > index 000000000000..a2f43b2f8dce > --- /dev/null > +++ b/drivers/clk/clk-lan966x.c > @@ -0,0 +1,325 @@ > +// SPDX-License-Identifier: GPL-2.0-or-later > +/* > + * Microchip LAN966x SoC Clock driver. > + * > + * Copyright (C) 2021 Microchip Technology, Inc. and its subsidiaries > + * > + * Author: Kavyasree Kotagiri > + * > + * Ported from Linux drivers/clk/clk-lan966x.c. Structure and identifiers > + * are kept aligned with Linux so future fixes can be backported with > + * minimal context churn. We have a new // SPDX-Comment: Origin-URL: tag which you could use here and other code you are adding from Linux. Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |