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Thu, 23 May 2024 00:54:24 -0700 (PDT) Received: from blmsp.fritz.box ([2001:4091:a246:821e:6f3b:6b50:4762:8343]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3502baad074sm36501833f8f.70.2024.05.23.00.54.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 May 2024 00:54:23 -0700 (PDT) From: Markus Schneider-Pargmann To: Chandrasekar Ramakrishnan , Marc Kleine-Budde , Vincent Mailhol , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nishanth Menon , Vignesh Raghavendra , Tero Kristo Cc: Vibhore Vardhan , Kevin Hilman , Dhruva Gole , =?utf-8?q?Martin_Hundeb=C3=B8ll?= , Simon Horman , linux-can@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Markus Schneider-Pargmann Subject: [PATCH 1/7] dt-bindings: can: m_can: Add wakeup-source property Date: Thu, 23 May 2024 09:53:41 +0200 Message-ID: <20240523075347.1282395-2-msp@baylibre.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240523075347.1282395-1-msp@baylibre.com> References: <20240523075347.1282395-1-msp@baylibre.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 m_can can be a wakeup source on some devices. Especially on some of the am62* SoCs pins, connected to m_can in the mcu, can be used to wakeup the SoC. This property defines on which devices m_can can be used for wakeup. Signed-off-by: Markus Schneider-Pargmann --- Documentation/devicetree/bindings/net/can/bosch,m_can.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml index f9ffb963d6b1..33f1688ca208 100644 --- a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml +++ b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml @@ -118,6 +118,10 @@ properties: phys: maxItems: 1 + wakeup-source: + $ref: /schemas/types.yaml#/definitions/flag + description: This device is capable to wakeup the SoC. + required: - compatible - reg From patchwork Thu May 23 07:53:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Schneider-Pargmann X-Patchwork-Id: 1938214 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Thu, 23 May 2024 00:54:24 -0700 (PDT) From: Markus Schneider-Pargmann To: Chandrasekar Ramakrishnan , Marc Kleine-Budde , Vincent Mailhol , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nishanth Menon , Vignesh Raghavendra , Tero Kristo Cc: Vibhore Vardhan , Kevin Hilman , Dhruva Gole , =?utf-8?q?Martin_Hundeb=C3=B8ll?= , Simon Horman , linux-can@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Markus Schneider-Pargmann Subject: [PATCH 2/7] dt-bindings: can: m_can: Add wakeup pinctrl state Date: Thu, 23 May 2024 09:53:42 +0200 Message-ID: <20240523075347.1282395-3-msp@baylibre.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240523075347.1282395-1-msp@baylibre.com> References: <20240523075347.1282395-1-msp@baylibre.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Pins associated with m_can can be the source of a wakeup in deep sleep states. To be able to wakeup these pins have to be configured in a special way. To support this configuration add the default and wakeup pinctrl states. Signed-off-by: Markus Schneider-Pargmann --- .../devicetree/bindings/net/can/bosch,m_can.yaml | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml index 33f1688ca208..7c6fa7367c37 100644 --- a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml +++ b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml @@ -106,6 +106,22 @@ properties: maximum: 32 minItems: 1 + pinctrl-0: + description: Default pinctrl state + + pinctrl-1: + description: Wakeup pinctrl state + + pinctrl-names: + description: + When present should contain at least "default" describing the default pin + states. The second state called "wakeup" describes the pins in their + wakeup configuration required to exit sleep states. + minItems: 1 + items: + - const: default + - const: wakeup + power-domains: description: Power domain provider node and an args specifier containing