From patchwork Sat Apr 15 11:13:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?J=2E_Neusch=C3=A4fer?= X-Patchwork-Id: 13212495 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EE85CC7619A for ; Sat, 15 Apr 2023 11:14:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230027AbjDOLO5 (ORCPT ); Sat, 15 Apr 2023 07:14:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33964 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229623AbjDOLO4 (ORCPT ); Sat, 15 Apr 2023 07:14:56 -0400 Received: from mout.gmx.net (mout.gmx.net [212.227.15.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 115483AAD; Sat, 15 Apr 2023 04:14:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=s31663417; t=1681557263; i=j.neuschaefer@gmx.net; bh=ouLPlj+JJ99qgDIlMPBR/EYcxhVRtACUcMPo8tbwbOQ=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date; b=uZXx8dQMxVULrYtSTRXPEzJijQbvPJRt/WbbEFmHD1PV6fQ3UZmEpVnpwhkRe+rXu LRauDwg2IcZ/xQgWnURE9d6OlpM7JTvwB+rwUlnpkWTqetFEEF2i8k8rqOTXTU0aua Nvq2Dcb+cTbWBWozgiWZk99detq8pSJ7NNvIl8pdvbLMiH/8IUsGNlksAj3q61gRcX CZrY5EOsw+lik9nqnCnI/ZumOTc1OvA5QoOxAI8H8DROaPeDftbWoGFm6M/dFf9J9q M7vg1meF/S+gvEXTUIVWLDK45L6XO5vf9d3SS0c3yUkRFwBYzoWeAilnEbwr5YK1Nf T7elsU8P8PqkA== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from probook ([95.223.44.193]) by mail.gmx.net (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MJmKh-1q3OOF3S81-00K6p4; Sat, 15 Apr 2023 13:14:22 +0200 From: =?utf-8?q?Jonathan_Neusch=C3=A4fer?= To: linux-clk@vger.kernel.org, openbmc@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, =?utf-8?q?Jonathan_Neusch=C3=A4fer?= , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Avi Fishman , Tomer Maimon , Tali Perry , Patrick Venture , Nancy Yuen , Benjamin Fair , Daniel Lezcano , Thomas Gleixner , Philipp Zabel , Wim Van Sebroeck , Guenter Roeck Subject: [PATCH v6 0/2] Nuvoton WPCM450 clock and reset driver Date: Sat, 15 Apr 2023 13:13:53 +0200 Message-Id: <20230415111355.696738-1-j.neuschaefer@gmx.net> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-Provags-ID: V03:K1:gExXOv/2O3gKNHbYkqgUMQ+ff5aeYbPJIikimhemjhH8coxNWKa EEXwdHe8j9t7sUlqDan9uKna2szlA7gkK0cpO1k9nKhaiuzKB/XAlOsQXGqUy7Kh5l42ODp t3UZ6Ae8vPSc95VMUGDSELK/yKC2DPGS7kjwhQy5IM79H91jL3T2kuLA2/57V68tAJrZF74 bB/OzytdSMR2HWATIO+HA== UI-OutboundReport: notjunk:1;M01:P0:abN0CqTbuGw=;vNQ4JrSDd3wHvjX8plDu8+6GDPW KKECW+/CCA3QPoMbP/JGQVSryqDm1EPgixyD9trdQ4csPDhEuDD0Mh5auy5GUhRI+mcZV5Ezf vr7MvWrsmJywfyoxRvji48Hz6AM6XDaUSbuOKhuuWxtpBtvPPRGr/7My0s3hTARY4u42LMpV5 1m9WAsyu2Er94lptU+X0tMvWy3o7v9sdrtZUHDiUAhTateq37AuWJlrEJAeQWzqRzIHzaSN5M d6wnwCRw5n+6hZpyOrEUEPzK8ADgsgbQjGGs67GdZTxnA2cCZ9PPuMDNOXhsWoKRy4S1nYtgN mOkbqm6DOztQr/QAZNnknEuKWghVpn1di/SMxKgnkZvscvdTxaZpzi6s2A9Bv+U79jLV1pf6O E+stgaZ+rzcorjiFlYrf8bQtBTlTOwD3vFk3UbxbFlTX3DaRd6Jz249VvcZIsx+7s+dEQOYY0 Z1B6PbZHYC5auIEc3fqc+QOBuSStS9NEAXqvAIgULVBakabcd0G5TyO/L87dtMOxy8i4DgTQ6 JyJ/4SDHx4GhGzDg2/g3JmP7zcuv5a2Jp2TL3w9zr2yYRpYo/H0ZIfxafP0gsBolFrnCGN+fT GqlTGLbTrpL3NcvLuNzbIK/dwbs9WAmf8sU7Q7AKs4Ly/sj2QGzuvTkeL+N/COZLglFG0UADS TVIXW9JFTDedRCMpGRWGbQshdyPvD1iCcJSI+c+GEDcGQ93UzOYf/isdt4qKZknWiyc4Wh8lN +GTi0JnFWbcNfdKTrvOg2qnVORZwjz5laaA9APTMO4ZJKlgSxYCmlw09yFEtGm4ykl2he3v2V mwhnoMES9P85/8dMSJzG75w2XZmTNevAPdqLh3cqyhQxDqUbf9xi9ut4ZwBodJla/fkNH+fA6 LeE2U5ckpfF7DCts/jxVWsO0Q/ZXo/4yvPwL7cuT7prk7Mpy51vlHGsxRzGFTT0agTiFiv77C DZHhOxAwrr++bG2F2Z6Emv4yHnk= Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org This series adds support for the clock and reset controller in the Nuvoton WPCM450 SoC. This means that the clock rates for peripherals will be calculated automatically based on the clock tree as it was preconfigured by the bootloader. The 24 MHz dummy clock, that is currently in the devicetree, is no longer needed. Somewhat unfortunately, this also means that there is a breaking change once the devicetree starts relying on the clock driver, but I find it acceptable in this case, because WPCM450 is still at a somewhat early stage. v6: - Dropped all patches except the clock binding and the clock driver, because they have mostly been merged - Minor correction to how RESET_SIMPLE is selected v5: - Dropped patch 2 (watchdog: npcm: Enable clock if provided), which was since merged upstream - Added patch 2 (clocksource: timer-npcm7xx: Enable timer 1 clock before use) again, because I wasn't able to find it in linux-next - Switched the driver to using struct clk_parent_data - Rebased on 6.1-rc3 v4: - Leave WDT clock running during after restart handler - Fix reset controller initialization - Dropped patch 2/7 (clocksource: timer-npcm7xx: Enable timer 1 clock before use), as it was applied by Daniel Lezcano v3: - https://lore.kernel.org/lkml/20220508194333.2170161-1-j.neuschaefer@gmx.net/ - Changed "refclk" string to "ref" - Fixed some dead code in the driver - Added clk_prepare_enable call to the watchdog restart handler - Added a few review tags v2: - https://lore.kernel.org/lkml/20220429172030.398011-1-j.neuschaefer@gmx.net/ - various small improvements v1: - https://lore.kernel.org/lkml/20220422183012.444674-1-j.neuschaefer@gmx.net/ Jonathan Neuschäfer (2): dt-bindings: clock: Add Nuvoton WPCM450 clock/reset controller clk: wpcm450: Add Nuvoton WPCM450 clock/reset controller driver .../bindings/clock/nuvoton,wpcm450-clk.yaml | 66 +++ drivers/clk/Makefile | 1 + drivers/clk/clk-wpcm450.c | 375 ++++++++++++++++++ drivers/reset/Kconfig | 2 +- .../dt-bindings/clock/nuvoton,wpcm450-clk.h | 67 ++++ 5 files changed, 510 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/clock/nuvoton,wpcm450-clk.yaml create mode 100644 drivers/clk/clk-wpcm450.c create mode 100644 include/dt-bindings/clock/nuvoton,wpcm450-clk.h --- 2.39.2