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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dong Aisheng , Mark Rutland , fugang.duan@nxp.com, ping.bai@nxp.com, devicetree@vger.kernel.org, linus.walleij@linaro.org, stefan@agner.ch, Rob Herring , jacopo+renesas@jmondi.org, kernel@pengutronix.de, shawnguo@kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Some platforms may need more than one integer to represent a complete pinmux binding, so let's extend the pinmux property to allow to accept integer array instead of only a single integer. Cc: Rob Herring Cc: Mark Rutland Cc: devicetree@vger.kernel.org Cc: Linus Walleij Cc: Shawn Guo Signed-off-by: Jacopo Mondi Signed-off-by: Dong Aisheng Acked-by: Rob Herring --- ChangeLog: v4->v5: * doc improvement v4: * new patch --- .../devicetree/bindings/pinctrl/pinctrl-bindings.txt | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt index f01d154..30f1d9e 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt @@ -204,21 +204,22 @@ each single pin the number of required sub-nodes containing "pin" and maintain. For cases like this, the pin controller driver may use the pinmux helper -property, where the pin identifier is packed with mux configuration settings -in a single integer. +property, where the pin identifier is provided with mux configuration settings +in a pinmux group. A pinmux group consists of the pin identifier and mux +settings represented as a single integer or an array of integers. -The pinmux property accepts an array of integers, each of them describing +The pinmux property accepts an array of pinmux groups, each of them describing a single pin multiplexing configuration. pincontroller { state_0_node_a { - pinmux = , , ...; + pinmux = , , ...; }; }; Each individual pin controller driver bindings documentation shall specify -how those values (pin IDs and pin multiplexing configuration) are defined and -assembled together. +how pin IDs and pin multiplexing configuration are defined and assembled +together in a pinmux group. == Generic pin configuration node content == @@ -300,7 +301,7 @@ arguments are described below. - pinmux takes a list of pin IDs and mux settings as required argument. The specific bindings for the hardware defines: - How pin IDs and mux settings are defined and assembled together in a single - integer. + integer or an array of integers. - bias-pull-up, -down and -pin-default take as optional argument on hardware supporting it the pull strength in Ohm. bias-disable will disable the pull.