From patchwork Sat Aug 31 14:27:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 824730 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 137D812E78; Sat, 31 Aug 2024 14:28:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725114521; cv=none; b=uegH3YPiv3tvkHAIhfGeFZ2zwQevrWdFUDuWOtY21M81HasTaBS26uOorzqk4Kfrjb/hfIxRN2mi+Rd6IoYI+Y+2xp7jt9n0Pwng/6GegEPFmWwJWhe6pHDv5PSPiY2gl1rHdLfaa0C+PDXPab6SHN5bHRRUelzN0oXBegyg8es= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725114521; c=relaxed/simple; bh=TviTtX9NT+ETcDJh/06Cwq34ONGhMngoxoV0vXzTGHw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=IcpS6KbCE7XKyevulFJrIcZljpztW/5JL9yOCVW/pCOB5ec7FhWNZdQMsb/ZZl62qAq0zg/WyZHSjaRUgx/v4Y14eOqzY+jWxMrROMrmqULFh9S7/XtpT4ndgOmHadEZD9p5EM6vWKmpU1V6jii/Cq/LsxbspGRxQ/vKwaK4GSc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=s9jgTCdo; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="s9jgTCdo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2F027C4CEC0; Sat, 31 Aug 2024 14:28:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725114520; bh=TviTtX9NT+ETcDJh/06Cwq34ONGhMngoxoV0vXzTGHw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=s9jgTCdo25NIrJ3ioV53wKG5BG4jfb9QC/2d173WwcUIbdmVmIYZsh9tcNjU/ECN2 PEHwz34g+0mrO0difx/iCWZ+A8Hs5MmJgfgJnwtmg83DxLL+YBbOPqa87BU4v4ZwwI mvya4T6+zmg9BmiFyio/p0so8YQFioTVB+wQcqA2bFR2XJURE5fkWbu89koJWDPUT+ 3dtn9dF4Aor56HnPLDrPnsbbZfwbqB+mdS3NDfSFKVr9jSaoO9yJDxKGOnMKw5O/Af f0fTD4BgI6YAKVlIN8WwBVLFWwc5b7SNp4QJ+ZxBWQZQ23hRh6EqoOBZpeXFsFxLlo NqX59tG1VY6oA== From: Lorenzo Bianconi Date: Sat, 31 Aug 2024 16:27:47 +0200 Subject: [PATCH v3 2/5] dt-bindings: mfd: Add support for Airoha EN7581 GPIO System Controller Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240831-en7581-pinctrl-v3-2-98eebfb4da66@kernel.org> References: <20240831-en7581-pinctrl-v3-0-98eebfb4da66@kernel.org> In-Reply-To: <20240831-en7581-pinctrl-v3-0-98eebfb4da66@kernel.org> To: Lorenzo Bianconi , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno , Lee Jones , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= Cc: linux-mediatek@lists.infradead.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, upstream@airoha.com, benjamin.larsson@genexis.eu, ansuelsmth@gmail.com, linux-pwm@vger.kernel.org X-Mailer: b4 0.14.1 From: Christian Marangi Add support for Airoha EN7581 GPIO System Controller which provide a register map for controlling the GPIO, pinctrl and PWM of the SoC. Schema define cells for both gpio/interrupt controller and PWM. Moreover it provides a dedicated pinctrl node for pins and config definitions. Signed-off-by: Christian Marangi Co-developed-by: Lorenzo Bianconi Signed-off-by: Lorenzo Bianconi --- .../bindings/mfd/airoha,en7581-gpio-sysctl.yaml | 433 +++++++++++++++++++++ 1 file changed, 433 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/airoha,en7581-gpio-sysctl.yaml b/Documentation/devicetree/bindings/mfd/airoha,en7581-gpio-sysctl.yaml new file mode 100644 index 000000000000..a9080c7f50f9 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/airoha,en7581-gpio-sysctl.yaml @@ -0,0 +1,433 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/airoha,en7581-gpio-sysctl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Airoha EN7581 GPIO System Controller + +maintainers: + - Christian Marangi + - Lorenzo Bianconi + +description: + Airoha EN7581 SoC GPIO system controller which provided a register map + for controlling the GPIO, pins and PWM of the SoC. + +properties: + compatible: + const: airoha,en7581-gpio-sysctl + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + gpio-controller: true + + '#gpio-cells': + const: 2 + + interrupt-controller: true + + '#interrupt-cells': + const: 2 + + "#pwm-cells": + const: 3 + + pinctrl: + type: object + + $ref: /schemas/pinctrl/pinctrl.yaml + + patternProperties: + '-pins$': + type: object + + patternProperties: + '^.*mux.*$': + type: object + + description: + pinmux configuration nodes. + + $ref: /schemas/pinctrl/pinmux-node.yaml + + properties: + function: + description: + A string containing the name of the function to mux to the group. + enum: [pon, tod_1pps, sipo, mdio, uart, i2c, jtag, pcm, spi, + pcm_spi, i2s, emmc, pnand, pcie_reset, pwm, phy1_led0, + phy2_led0, phy3_led0, phy4_led0, phy1_led1, phy2_led1, + phy3_led1, phy4_led1] + + groups: + description: + An array of strings. Each string contains the name of a group. + + required: + - function + - groups + + allOf: + - if: + properties: + function: + const: pon + then: + properties: + groups: + enum: [pon] + - if: + properties: + function: + const: tod_1pps + then: + properties: + groups: + enum: [pon_tod_1pps, gsw_tod_1pps] + - if: + properties: + function: + const: sipo + then: + properties: + groups: + enum: [sipo, sipo_rclk] + - if: + properties: + function: + const: mdio + then: + properties: + groups: + enum: [mdio] + - if: + properties: + function: + const: uart + then: + properties: + groups: + items: + enum: [uart2, uart2_cts_rts, hsuart, hsuart_cts_rts, uart4, + uart5] + maxItems: 2 + - if: + properties: + function: + const: i2c + then: + properties: + groups: + enum: [i2c1] + - if: + properties: + function: + const: jtag + then: + properties: + groups: + enum: [jtag_udi, jtag_dfd] + - if: + properties: + function: + const: pcm + then: + properties: + groups: + enum: [pcm1, pcm2] + - if: + properties: + function: + const: spi + then: + properties: + groups: + items: + enum: [spi_quad, spi_cs1] + maxItems: 2 + - if: + properties: + function: + const: pcm_spi + then: + properties: + groups: + items: + enum: [pcm_spi, pcm_spi_int, pcm_spi_rst, pcm_spi_cs1, + pcm_spi_cs2_p156, pcm_spi_cs2_p128, pcm_spi_cs3, + pcm_spi_cs4] + maxItems: 7 + - if: + properties: + function: + const: i2c + then: + properties: + groups: + enum: [i2s] + - if: + properties: + function: + const: emmc + then: + properties: + groups: + enum: [emmc] + - if: + properties: + function: + const: pnand + then: + properties: + groups: + enum: [pnand] + - if: + properties: + function: + const: pcie_reset + then: + properties: + groups: + enum: [pcie_reset0, pcie_reset1, pcie_reset2] + - if: + properties: + function: + const: pwm + then: + properties: + groups: + enum: [gpio0, gpio1, gpio2, gpio3, gpio4, gpio5, gpio6, + gpio7, gpio8, gpio9, gpio10, gpio11, gpio12, gpio13, + gpio14, gpio15, gpio16, gpio17, gpio18, gpio19, + gpio20, gpio21, gpio22, gpio23, gpio24, gpio25, + gpio26, gpio27, gpio28, gpio29, gpio30, gpio31, + gpio36, gpio37, gpio38, gpio39, gpio40, gpio41, + gpio42, gpio43, gpio44, gpio45, gpio46, gpio47] + - if: + properties: + function: + const: phy1_led0 + then: + properties: + groups: + enum: [gpio33, gpio34, gpio35, gpio42] + - if: + properties: + function: + const: phy2_led0 + then: + properties: + groups: + enum: [gpio33, gpio34, gpio35, gpio42] + - if: + properties: + function: + const: phy3_led0 + then: + properties: + groups: + enum: [gpio33, gpio34, gpio35, gpio42] + - if: + properties: + function: + const: phy4_led0 + then: + properties: + groups: + enum: [gpio33, gpio34, gpio35, gpio42] + - if: + properties: + function: + const: phy1_led1 + then: + properties: + groups: + enum: [gpio43, gpio44, gpio45, gpio46] + - if: + properties: + function: + const: phy2_led1 + then: + properties: + groups: + enum: [gpio43, gpio44, gpio45, gpio46] + - if: + properties: + function: + const: phy3_led1 + then: + properties: + groups: + enum: [gpio43, gpio44, gpio45, gpio46] + - if: + properties: + function: + const: phy4_led1 + then: + properties: + groups: + enum: [gpio43, gpio44, gpio45, gpio46] + + additionalProperties: false + + '^.*conf.*$': + type: object + + description: + pinconf configuration nodes. + + $ref: /schemas/pinctrl/pincfg-node.yaml + + properties: + pins: + description: + An array of strings. Each string contains the name of a pin. + items: + enum: [uart1_txd, uart1_rxd, i2c_scl, i2c_sda, spi_cs0, spi_clk, + spi_mosi, spi_miso, gpio0, gpio1, gpio2, gpio3, gpio4, + gpio5, gpio6, gpio7, gpio8, gpio9, gpio10, gpio11, gpio12, + gpio13, gpio14, gpio15, gpio16, gpio17, gpio18, gpio19, + gpio20, gpio21, gpio22, gpio23, gpio24, gpio25, gpio26, + gpio27, gpio28, gpio29, gpio30, gpio31, gpio32, gpio33, + gpio34, gpio35, gpio36, gpio37, gpio38, gpio39, gpio40, + gpio41, gpio42, gpio43, gpio44, gpio45, gpio46, + pcie_reset0, pcie_reset1, pcie_reset2] + minItems: 1 + maxItems: 58 + + bias-disable: true + + bias-pull-up: true + + bias-pull-down: true + + input-enable: true + + output-enable: true + + output-low: true + + output-high: true + + drive-open-drain: true + + drive-strength: + description: + Selects the drive strength for MIO pins, in mA. + enum: [2, 4, 6, 8] + + required: + - pins + + additionalProperties: false + + additionalProperties: false + + additionalProperties: false + +required: + - compatible + - reg + - interrupts + - gpio-controller + - "#gpio-cells" + - "#pwm-cells" + +additionalProperties: false + +examples: + - | + #include + + mfd@1fbf0200 { + compatible = "airoha,en7581-gpio-sysctl"; + reg = <0x1fbf0200 0xc0>; + + interrupt-parent = <&gic>; + interrupts = ; + + gpio-controller; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + #pwm-cells = <3>; + + pinctrl { + pcie1-rst-pins { + conf { + pins = "pcie_reset1"; + drive-open-drain = <1>; + }; + }; + + pwm-pins { + mux { + function = "pwm"; + groups = "gpio18"; + }; + }; + + spi-pins { + mux { + function = "spi"; + groups = "spi_quad", "spi_cs1"; + }; + }; + + uart2-pins { + mux { + function = "uart"; + groups = "uart2", "uart2_cts_rts"; + }; + }; + + uar5-pins { + mux { + function = "uart"; + groups = "uart5"; + }; + }; + + mmc-pins { + mux { + function = "emmc"; + groups = "emmc"; + }; + }; + + mdio-pins { + mux { + function = "mdio"; + groups = "mdio"; + }; + + conf { + pins = "gpio2"; + output-enable; + }; + }; + + gswp1-led0-pins { + mux { + function = "phy1_led0"; + groups = "gpio33"; + }; + }; + + gswp2-led1-pins { + mux { + function = "phy2_led1"; + groups = "gpio44"; + }; + }; + }; + }; + +...