From patchwork Tue Nov 28 03:49:59 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 10078623 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8D1C960353 for ; Tue, 28 Nov 2017 03:52:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7480D290BE for ; Tue, 28 Nov 2017 03:52:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 68293290D3; Tue, 28 Nov 2017 03:52:02 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id AF656290BE for ; Tue, 28 Nov 2017 03:52:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=tq5dibZEtFbX9wLCKMhdfsFDKRayTQXlh6C1r0jVM9g=; b=mdzfL7QRcpEX6W QOJp9w8hVPjq2dyGSH9H+4tVPltkIHAeay85jwitOfh0bb07ZDuEs3baBLM5SUr/TOGcUX0e1BEAL cuUwS73QEKcHxX9udVuFUIq9L7qSUdT/CfcBEoKpZ02wbnp+WzgCitXHbjw6tIgMxZmyxHjPW9I9a hGmbF5GZthMJ+8/vmHBqaU10M3m796orkV+duUFNPUHl+nDxthURdT4htL25GcUznQtmR2a1ULpmo oUoV4Vbsc0SQzc05pT8tB02WyHxSTl6XvvhGqsvnEVvosQmplUZz6bAQABZAo7+YCd67893ecIRxV o6GhRwT4iJEWOqJLoa9A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1eJWwD-00053O-2U; Tue, 28 Nov 2017 03:52:01 +0000 Received: from [210.61.82.184] (helo=mailgw02.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1eJWuv-00040y-3P; Tue, 28 Nov 2017 03:50:45 +0000 X-UUID: e017a0f616b8454abde53a5af26948ec-20171128 Received: from mtkcas08.mediatek.inc [(172.21.101.126)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1553212234; Tue, 28 Nov 2017 11:50:07 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Tue, 28 Nov 2017 11:50:05 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Tue, 28 Nov 2017 11:50:05 +0800 From: To: , , , , , Subject: [PATCH 1/4] dt-bindings: pinctrl: add bindings for MediaTek MT7622 SoC Date: Tue, 28 Nov 2017 11:49:59 +0800 Message-ID: <6e88d5b34241b32206f95279117afad4bb3d8661.1511840374.git.sean.wang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171127_195041_432992_F9A36A8C X-CRM114-Status: GOOD ( 17.53 ) 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: linux-gpio@vger.kernel.org, Sean Wang , linux-kernel@vger.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 From: Sean Wang Add devicetree bindings for MediaTek MT7622 pinctrl driver. Signed-off-by: Sean Wang --- .../devicetree/bindings/pinctrl/pinctrl-mt7622.txt | 330 +++++++++++++++++++++ 1 file changed, 330 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt new file mode 100644 index 0000000..ce86d45 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt @@ -0,0 +1,330 @@ +== MediaTek MT7622 pinctrl controller == + +Required properties for the root node: + - compatible: Should be one of the following + "mediatek,mt7622-pinctrl" for MT7622 SoC + - reg: offset and length of the pinctrl space + + - gpio-controller: Marks the device node as a GPIO controller. + - #gpio-cells: Should be two. The first cell is the pin number and the + second is the GPIO flags. + +Please refer to pinctrl-bindings.txt in this directory for details of the +common pinctrl bindings used by client devices, including the meaning of the +phrase "pin configuration node". + +MT7622 pin configuration nodes act as a container for an arbitrary number of +subnodes. Each of these subnodes represents some desired configuration for a +pin, a group, or a list of pins or groups. This configuration can include the +mux function to select on those pin(s)/group(s), and various pin configuration +parameters, such as pull-up, slew rate, etc. + +We support 2 types of configuration nodes. Those nodes can be either pinmux +nodes or pinconf nodes. Each configuration node can consist of multiple nodes +describing the pinmux and pinconf options. + +The name of each subnode is no matter as long as it is unique; all subnodes +should be enumerated and processed purely based on their content. + +== pinmux nodes content == + +The following generic properties as defined in pinctrl-bindings.txt are valid +to specify in a pinmux subnode: + +Required properties are: + - groups: An array of strings. Each string contains the name of a group. + Valid values for these names are listed below. + - function: A string containing the name of the function to mux to the + group. Valid values for function names are listed below. + +== pinconf nodes content == + +The following generic properties as defined in pinctrl-bindings.txt are valid +to specify in a pinconf subnode: + +Required properties are: + - pins: An array of strings. Each string contains the name of a pin. + Valid values for these names are listed below. + - groups: An array of strings. Each string contains the name of a group. + Valid values for these names are listed below. + +Optional properies are: + bias-disable, bias-pull, bias-pull-down, input-enable, + input-schmitt-enable, input-schmitt-disable, output-enable + output-low, output-high, drive-strength, slew-rate + + Valid arguments for 'slew-rate' are '0' and '1' to select between slow and + fast respectively. + Valid arguments for 'drive-strength', 4, 8, 12, or 16 in mA. + +The following specific properties as defined are valid to specify in a pinconf +subnode: + +Optional properties are: + - mediatek,tdsel: Valid arguments are from 0 to 15 + - mediatek,rdsel: Valid arguments are from 0 to 63 + +== Valid values for pins, function and groups on MT7622 == + +Valid values for pins are: +pins can be referenced via the pin names as the below table shown and the +related physical number is also put ahead of those names which helps cross +references to pins between groups to know whether pins assignment conflict +happens among devices try to acquire those available pins. + + Pin #: Valid values for pins + ----------------------------- + PIN 0: "GPIO_A" + PIN 1: "I2S1_IN" + PIN 2: "I2S1_OUT" + PIN 3: "I2S_BCLK" + PIN 4: "I2S_WS" + PIN 5: "I2S_MCLK" + PIN 6: "TXD0" + PIN 7: "RXD0" + PIN 8: "SPI_WP" + PIN 9: "SPI_HOLD" + PIN 10: "SPI_CLK" + PIN 11: "SPI_MOSI" + PIN 12: "SPI_MISO" + PIN 13: "SPI_CS" + PIN 14: "SPI_SDA" + PIN 15: "SPI_SCL" + PIN 16: "I2S2_IN" + PIN 17: "I2S3_IN" + PIN 18: "I2S4_IN" + PIN 19: "I2S2_OUT" + PIN 20: "I2S3_OUT" + PIN 21: "I2S4_OUT" + PIN 22: "GPIO_B" + PIN 23: "MDC" + PIN 24: "MDIO" + PIN 25: "G2_TXD0" + PIN 26: "G2_TXD1" + PIN 27: "G2_TXD2" + PIN 28: "G2_TXD3" + PIN 29: "G2_TXEN" + PIN 30: "G2_TXC" + PIN 31: "G2_RXD0" + PIN 32: "G2_RXD1" + PIN 33: "G2_RXD2" + PIN 34: "G2_RXD3" + PIN 35: "G2_RXDV" + PIN 36: "G2_RXC" + PIN 37: "NCEB" + PIN 38: "NWEB" + PIN 39: "NREB" + PIN 40: "NDL4" + PIN 41: "NDL5" + PIN 42: "NDL6" + PIN 43: "NDL7" + PIN 44: "NRB" + PIN 45: "NCLE" + PIN 46: "NALE" + PIN 47: "NDL0" + PIN 48: "NDL1" + PIN 49: "NDL2" + PIN 50: "NDL3" + PIN 51: "MDI_TP_P0" + PIN 52: "MDI_TN_P0" + PIN 53: "MDI_RP_P0" + PIN 54: "MDI_RN_P0" + PIN 55: "MDI_TP_P1" + PIN 56: "MDI_TN_P1" + PIN 57: "MDI_RP_P1" + PIN 58: "MDI_RN_P1" + PIN 59: "MDI_RP_P2" + PIN 60: "MDI_RN_P2" + PIN 61: "MDI_TP_P2" + PIN 62: "MDI_TN_P2" + PIN 63: "MDI_TP_P3" + PIN 64: "MDI_TN_P3" + PIN 65: "MDI_RP_P3" + PIN 66: "MDI_RN_P3" + PIN 67: "MDI_RP_P4" + PIN 68: "MDI_RN_P4" + PIN 69: "MDI_TP_P4" + PIN 70: "MDI_TN_P4" + PIN 71: "SPI2_CK" + PIN 72: "SPI2_DATA" + PIN 73: "SPIC1_CLK" + PIN 74: "SPIC1_MOSI" + PIN 75: "SPIC1_MISO" + PIN 76: "SPIC1_CS" + PIN 77: "GPIO_D" + PIN 78: "WATCHDOG" + PIN 79: "RTS3_N" + PIN 80: "CTS3_N" + PIN 81: "TXD3" + PIN 82: "RXD3" + PIN 83: "PERST0_N" + PIN 84: "PERST1_N" + PIN 85: "WLED_N" + PIN 86: "EPHY_LED0_N" + PIN 87: "AUXIN0" + PIN 88: "AUXIN1" + PIN 89: "AUXIN2" + PIN 90: "AUXIN3" + PIN 91: "TXD4" + PIN 92: "RXD4" + PIN 93: "RTS4_IN" + PIN 94: "CST4_IN" + PIN 95: "PWM1" + PIN 96: "PWM2" + PIN 97: "PWM3" + PIN 98: "PWM4" + PIN 99: "PWM5" + PIN 100: "PWM6" + PIN 101: "PWM7" + PIN 102: "GPIO_E" + +Valid values for function are: + "emmc", "eth", "i2c", "i2s", "ir", "led", "flash", "pcie", + "pwm", "sd", "spi", "tdm", "uart" + +Valid values for groups are: +additional data is put followingly with valid value allowing us to know which +applicable function and which relevant pins (in pin#) are able applied for that +group. + + Valid value function pins (in pin#) + ------------------------------------------------------------------------- + "emmc" "emmc" 40, 41, 42, 43, 44, 45, + 47, 48, 49, 50 + "esw" "eth" 59, 60, 61, 62, 63, 64, + 65, 66, 67, 68, 69, 70 + "mdc_mdio" "eth" 23, 24 + "gmac1" "eth" 59, 60, 61, 62, 63, 64, + 65, 66, 67, 68, 69, 70 + "gmac2" "eth" 25, 26, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36 + "i2c0" "i2c" 14, 15 + "i2c1_0" "i2c" 55, 56 + "i2c1_1" "i2c" 73, 74 + "i2c1_2" "i2c" 87, 88 + "i2c2_0" "i2c" 57, 58 + "i2c2_1" "i2c" 75, 76 + "i2c2_2" "i2c" 89, 90 + "i2s_in_bclk_ws_mclk" "i2s" 3, 4, 5 + "i2s1_in_data" "i2s" 1 + "i2s2_in_data" "i2s" 16 + "i2s3_in_data" "i2s" 17 + "i2s4_in_data" "i2s" 18 + "i2s_out_bclk_ws_mclk" "i2s" 3, 4, 5 + "i2s1_out_data" "i2s" 2 + "i2s2_out_data" "i2s" 19 + "i2s3_out_data" "i2s" 20 + "i2s4_out_data" "i2s" 21 + "ir_0_tx" "ir" 16 + "ir_1_tx" "ir" 59 + "ir_2_tx" "ir" 99 + "ir_0_rx" "ir" 17 + "ir_1_rx" "ir" 60 + "ir_2_rx" "ir" 100 + "ephy0_led" "led" 86 + "ephy1_led" "led" 91 + "ephy2_led" "led" 92 + "ephy3_led" "led" 93 + "ephy4_led" "led" 94 + "wled" "led" 85 + "par_nand" "flash" 37, 38, 39, 40, 41, 42, + 43, 44, 45, 46, 47, 48, + 49, 50 + "snfi" "flash" 8, 9, 10, 11, 12, 13 + "spi_nor" "flash" 8, 9, 10, 11, 12, 13 + "pcie0_0_waken_clkreq" "pcie" 14, 15 + "pcie0_1_waken_clkreq" "pcie" 79, 80 + "pcie1_0_waken_clkreq" "pcie" 14, 15 + "pcie0_pad_perst" "pcie" 83 + "pcie1_pad_perst" "pcie" 84 + "pwm_ch1_0" "pwm" 51 + "pwm_ch1_1" "pwm" 73 + "pwm_ch1_2" "pwm" 95 + "pwm_ch2_0" "pwm" 52 + "pwm_ch2_1" "pwm" 74 + "pwm_ch2_2" "pwm" 96 + "pwm_ch3_0" "pwm" 53 + "pwm_ch3_1" "pwm" 75 + "pwm_ch3_2" "pwm" 97 + "pwm_ch4_0" "pwm" 54 + "pwm_ch4_1" "pwm" 67 + "pwm_ch4_2" "pwm" 76 + "pwm_ch4_3" "pwm" 98 + "pwm_ch5_0" "pwm" 68 + "pwm_ch5_1" "pwm" 77 + "pwm_ch5_2" "pwm" 99 + "pwm_ch6_0" "pwm" 69 + "pwm_ch6_1" "pwm" 78 + "pwm_ch6_2" "pwm" 81 + "pwm_ch6_3" "pwm" 100 + "pwm_ch7_0" "pwm" 70 + "pwm_ch7_1" "pwm" 82 + "pwm_ch7_2" "pwm" 101 + "sd_0" "sd" 16, 17, 18, 19, 20, 21 + "sd_1" "sd" 25, 26, 27, 28, 29, 30 + "spic0_0" "spi" 63, 64, 65, 66 + "spic0_1" "spi" 79, 80, 81, 82 + "spic1_0" "spi" 67, 68, 69, 70 + "spic1_1" "spi" 73, 74, 75, 76 + "tdm_0_out_mclk_bclk" "tdm" 8, 9, 10 + "tdm_0_in_mclk_bclk_ws" "tdm" 11, 12, 13 + "tdm_0_out_data" "tdm" 20 + "tdm_0_in_data" "tdm" 21 + "tdm_1_out_mclk_bclk" "tdm" 57, 58, 59 + "tdm_1_in_mclk_bclk_ws" "tdm" 60, 61, 62 + "tdm_1_out_data" "tdm" 55 + "tdm_1_in_data" "tdm" 56 + "uart0_0_tx_rx" "uart" 6, 7 + "uart1_0_tx_rx" "uart" 55, 56 + "uart1_0_rts_cts" "uart" 57, 58 + "uart1_1_tx_rx" "uart" 73, 74 + "uart1_1_rts_cts" "uart" 75, 76 + "uart2_0_tx_rx" "uart" 3, 4 + "uart2_0_rts_cts" "uart" 1, 2 + "uart2_1_tx_rx" "uart" 51, 52 + "uart2_1_rts_cts" "uart" 53, 54 + "uart2_2_tx_rx" "uart" 59, 60 + "uart2_2_rts_cts" "uart" 61, 62 + "uart2_3_tx_rx" "uart" 95, 96 + "uart3_0_tx_rx" "uart" 57, 58 + "uart3_1_tx_rx" "uart" 81, 82 + "uart3_1_rts_cts" "uart" 79, 80 + "uart4_0_tx_rx" "uart" 61, 62 + "uart4_1_tx_rx" "uart" 91, 92 + "uart4_1_rts_cts" "uart" 93, 94 + "uart4_2_tx_rx" "uart" 97, 98 + "uart4_2_rts_cts" "uart" 95, 96 + +Example: + + pio: pinctrl@10211000 { + compatible = "mediatek,mt7622-pinctrl"; + reg = <0 0x10211000 0 0x1000>; + gpio-controller; + #gpio-cells = <2>; + + pinctrl_eth_default: eth-default { + mux_mdio { + groups = "mdc_mdio"; + function = "eth"; + drive-strength = <12>; + }; + + mux_gmac2 { + groups = "gmac2"; + function = "eth"; + drive-strength = <12>; + }; + + mux_esw { + groups = "esw"; + function = "eth"; + drive-strength = <8>; + }; + + conf_mdio { + pins = "MDC"; + bias-pull-up; + }; + }; + };