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[34.125.199.175]) by smtp.gmail.com with UTF8SMTPSA id mf8-20020a170902fc8800b001d9fc6cb5f2sm4818207plb.203.2024.02.19.12.23.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 19 Feb 2024 12:23:30 -0800 (PST) From: Stephen Boyd To: Lee Jones Cc: linux-kernel@vger.kernel.org, patches@lists.linux.dev, devicetree@vger.kernel.org, chrome-platform@lists.linux.dev, Douglas Anderson , Pin-yen Lin , Linus Walleij , Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Benson Leung , Guenter Roeck Subject: [PATCH 1/2] dt-bindings: cros-ec: Add properties for GPIO controller Date: Mon, 19 Feb 2024 12:23:23 -0800 Message-ID: <20240219202325.4095816-2-swboyd@chromium.org> X-Mailer: git-send-email 2.44.0.rc0.258.g7320e95886-goog In-Reply-To: <20240219202325.4095816-1-swboyd@chromium.org> References: <20240219202325.4095816-1-swboyd@chromium.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The ChromeOS embedded controller (EC) supports setting the state of GPIOs when the system is unlocked, and getting the state of GPIOs in all cases. The GPIOs are on the EC itself, so the EC acts similar to a GPIO expander. Add the #gpio-cells and gpio-controller properties to the cros-ec binding so that other devices described in DT can get the GPIOs on the EC. Cc: Linus Walleij Cc: Bartosz Golaszewski Cc: Rob Herring Cc: Krzysztof Kozlowski Cc: Conor Dooley Cc: Lee Jones Cc: Benson Leung Cc: Guenter Roeck Cc: Cc: Cc: Pin-yen Lin Signed-off-by: Stephen Boyd Reviewed-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/mfd/google,cros-ec.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml b/Do= cumentation/devicetree/bindings/mfd/google,cros-ec.yaml index e1ca4f297c6d..aac8819bd00b 100644 --- a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml +++ b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml @@ -93,6 +93,11 @@ properties: '#size-cells': const: 0 =20 + '#gpio-cells': + const: 2 + + gpio-controller: true + typec: $ref: /schemas/chrome/google,cros-ec-typec.yaml# =20 @@ -275,6 +280,8 @@ examples: interrupts =3D <99 0>; interrupt-parent =3D <&gpio7>; spi-max-frequency =3D <5000000>; + #gpio-cells =3D <2>; + gpio-controller; =20 proximity { compatible =3D "google,cros-ec-mkbp-proximity"; --=20 https://chromeos.dev