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AJvYcCX6fu3sqW+xamjLle2axPDOFQiSLs8ugPnwXvcQUPJQvbEo0zlVLdyEJynD+qDThYevfFJ0KAiPkChpARjZmYRekg+2iKeezM+JE7c1+MuaktN+2/CSSmdsdMPhHZUe93G6VPuk6waGN5fJ+Rfavc56KxfO3Rw2Nt15fNWpcPAQdB9o2WyWDGzfDYvWQQ+1YA== X-Gm-Message-State: AOJu0YxkekCWGy0MmPMBlPVTwdBvcBB6eQZpfC8272v3Vpp06TpModtN qGUASEZZthWgyra5zBybEmTEfDSwlxj/02A2wk/2BEVEJKLDi8Vm X-Google-Smtp-Source: AGHT+IFS0a47nUcBqWZ9vtSyVhp8Oe/RZWg90rK/M0uSVhtTsX1IdrDwvP5Gkc7P27IP0MODpm4z5A== X-Received: by 2002:a05:600c:4690:b0:426:6ed5:d682 with SMTP id 5b1f17b1804b1-428e6b09048mr103744315e9.12.1722978407615; Tue, 06 Aug 2024 14:06:47 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:2595:4364:d152:dff3]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42904f92a2dsm1384025e9.2.2024.08.06.14.06.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Aug 2024 14:06:46 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Wim Van Sebroeck , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , Geert Uytterhoeven , Magnus Damm , Wolfram Sang , linux-watchdog@vger.kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH v4 0/2] Add Watchdog Timer driver for Renesas RZ/V2H(P) SoC Date: Tue, 6 Aug 2024 22:06:21 +0100 Message-Id: <20240806210623.183842-1-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-watchdog@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar Hi All, This patch series aims to add WDT support to Renesas RZ/V2H(P) SoC. v3->v4 - Simplified calculation of max_hw_heartbeat_ms - Turn on the clocks first before reset operation in start & restart callbacks - Added checks in restart callback before turning ON clocks/resets - Dropped udelay after every ping operation - Added comments v2->v3 - Fixed dependency, ARCH_R9A09G011->ARCH_R9A09G057 - Added dependency for PM - Added delay after de-assert operation as clks are halted temporarily after de-assert operation - Clearing WDTSR register v1->v2 - Included RB tag for binding patch - Fixed review comments from Claudiu - Stopped using PM runtime calls in restart handler - Dropped rstc deassert from probe Cheers, Prabhakar Lad Prabhakar (2): dt-bindings: watchdog: renesas,wdt: Document RZ/V2H(P) SoC watchdog: Add Watchdog Timer driver for RZ/V2H(P) .../bindings/watchdog/renesas,wdt.yaml | 17 +- drivers/watchdog/Kconfig | 9 + drivers/watchdog/Makefile | 1 + drivers/watchdog/rzv2h_wdt.c | 272 ++++++++++++++++++ 4 files changed, 298 insertions(+), 1 deletion(-) create mode 100644 drivers/watchdog/rzv2h_wdt.c