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[62.107.28.193]) by smtp.googlemail.com with ESMTPSA id t203sm160066wmg.43.2020.09.23.08.40.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Sep 2020 08:40:33 -0700 (PDT) From: Bruno Thomsen To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: [PATCH v3 1/2] dt-bindings: fsl: add kamstrup flex concentrator to schema Date: Wed, 23 Sep 2020 17:40:23 +0200 Message-Id: <20200923154024.11417-1-bruno.thomsen@gmail.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200923_114037_427478_6D2B9C9A X-CRM114-Status: GOOD ( 11.96 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:444 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [bruno.thomsen[at]gmail.com] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rob Herring , Shawn Guo , Bruno Thomsen , bth@kamstrup.com, NXP Linux Team , Pengutronix Kernel Team , Fabio Estevam Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add Kamstrup OMNIA Flex Concentrator compatibles to the schema so we can make use of them for the validation. Signed-off-by: Bruno Thomsen Acked-by: Rob Herring --- No changes since version 2. Changes since version 1: - Patch prefix renamed to "dt-bindings: fsl:" - Added acked-by from Rob Herring. - Fixed typo in commit message. Documentation/devicetree/bindings/arm/fsl.yaml | 2 ++ 1 file changed, 2 insertions(+) base-commit: 805c6d3c19210c90c109107d189744e960eae025 diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml index 6da9d734cdb7..8e9be78f3d68 100644 --- a/Documentation/devicetree/bindings/arm/fsl.yaml +++ b/Documentation/devicetree/bindings/arm/fsl.yaml @@ -304,6 +304,8 @@ properties: - enum: - fsl,imx7d-sdb # i.MX7 SabreSD Board - fsl,imx7d-sdb-reva # i.MX7 SabreSD Rev-A Board + - kam,imx7d-flex-concentrator # Kamstrup OMNIA Flex Concentrator + - kam,imx7d-flex-concentrator-mfg # Kamstrup OMNIA Flex Concentrator in manufacturing mode - novtech,imx7d-meerkat96 # i.MX7 Meerkat96 Board - technexion,imx7d-pico-dwarf # TechNexion i.MX7D Pico-Dwarf - technexion,imx7d-pico-hobbit # TechNexion i.MX7D Pico-Hobbit From patchwork Wed Sep 23 15:40:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bruno Thomsen X-Patchwork-Id: 11795161 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9E26F92C for ; 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[62.107.28.193]) by smtp.googlemail.com with ESMTPSA id t203sm160066wmg.43.2020.09.23.08.40.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Sep 2020 08:40:40 -0700 (PDT) From: Bruno Thomsen To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: [PATCH v3 2/2] ARM: dts: imx7: add support for kamstrup flex concentrator Date: Wed, 23 Sep 2020 17:40:24 +0200 Message-Id: <20200923154024.11417-2-bruno.thomsen@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200923154024.11417-1-bruno.thomsen@gmail.com> References: <20200923154024.11417-1-bruno.thomsen@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200923_114042_316339_AECBB3CC X-CRM114-Status: GOOD ( 21.90 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:441 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [bruno.thomsen[at]gmail.com] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Shawn Guo , Bruno Thomsen , bth@kamstrup.com, NXP Linux Team , Pengutronix Kernel Team , Fabio Estevam Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This adds support for the OMNIA Flex Concentrator product from Kamstrup A/S. It's providing radio mesh communication infrastructure for smart electricity meters. Kamstrup OMNIA is a modular and scalable smart grid platform. Signed-off-by: Bruno Thomsen --- Changes since version 2: - Found root cause of Ethernet PHY auto detect issue and created a mdio patch series that resolves the issue. https://lore.kernel.org/netdev/20200730195749.4922-1-bruno.thomsen@gmail.com/ - Ethernet PHY reset is using new MDIO bus reset. - Ethernet PHY interrupt added. - Removed SION from a few GPIOs used for Ethernet PHY. Changes since version 1: - Sorted labeling nodes. - Sorted pinctrl entries. - Removed deprecated fec phy reset properties. - Added mdio phy reset properties. - Disabled phy type auto detection and added note to commit message. - Fixed two comment typos. arch/arm/boot/dts/Makefile | 2 + .../boot/dts/imx7d-flex-concentrator-mfg.dts | 25 ++ arch/arm/boot/dts/imx7d-flex-concentrator.dts | 319 ++++++++++++++++++ 3 files changed, 346 insertions(+) create mode 100644 arch/arm/boot/dts/imx7d-flex-concentrator-mfg.dts create mode 100644 arch/arm/boot/dts/imx7d-flex-concentrator.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 4572db3fa5ae..15be5a2fe831 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -634,6 +634,8 @@ dtb-$(CONFIG_SOC_IMX7D) += \ imx7d-colibri-emmc-aster.dtb \ imx7d-colibri-emmc-eval-v3.dtb \ imx7d-colibri-eval-v3.dtb \ + imx7d-flex-concentrator.dtb \ + imx7d-flex-concentrator-mfg.dtb \ imx7d-mba7.dtb \ imx7d-meerkat96.dtb \ imx7d-nitrogen7.dtb \ diff --git a/arch/arm/boot/dts/imx7d-flex-concentrator-mfg.dts b/arch/arm/boot/dts/imx7d-flex-concentrator-mfg.dts new file mode 100644 index 000000000000..789f0837058f --- /dev/null +++ b/arch/arm/boot/dts/imx7d-flex-concentrator-mfg.dts @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree Source for Kamstrup OMNIA Flex Concentrator in + * manufacturing/debugging mode. + * + * Copyright (C) 2020 Kamstrup A/S + * Author: Bruno Thomsen + */ + +/dts-v1/; + +#include "imx7d-flex-concentrator.dts" + +/ { + model = "Kamstrup OMNIA Flex Concentrator - Manufacturing"; + compatible = "kam,imx7d-flex-concentrator-mfg", "kam,imx7d-flex-concentrator", "fsl,imx7d"; + + chosen { + stdout-path = &uart4; + }; +}; + +&uart4 { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/imx7d-flex-concentrator.dts b/arch/arm/boot/dts/imx7d-flex-concentrator.dts new file mode 100644 index 000000000000..9f73c79253cb --- /dev/null +++ b/arch/arm/boot/dts/imx7d-flex-concentrator.dts @@ -0,0 +1,319 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree Source for Kamstrup OMNIA Flex Concentrator. + * + * Copyright (C) 2020 Kamstrup A/S + * Author: Bruno Thomsen + */ + +/dts-v1/; + +#include "imx7d-tqma7.dtsi" + +/* Some I2C devices on TQMa7 SoM are not mounted */ +/delete-node/ &m24c64; +/delete-node/ &ds1339; + +/ { + model = "Kamstrup OMNIA Flex Concentrator"; + compatible = "kam,imx7d-flex-concentrator", "fsl,imx7d"; + + memory@80000000 { + device_type = "memory"; + /* 1024 MB - TQMa7D board configuration */ + reg = <0x80000000 0x40000000>; + }; + + reg_usb_otg2_vbus: regulator-usb-otg2-vbus { + compatible = "regulator-fixed"; + regulator-name = "VBUS_USBOTG2"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio1 7 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + reg_vref_1v8: regulator-vref-1v8 { + compatible = "regulator-fixed"; + regulator-name = "VCC1V8_REF"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + vin-supply = <&sw2_reg>; + }; + + /* + * Human Machine Interface consists of 4 dual red/green LEDs. + * hmi-a-green is controlled directly by the switch-mode power supply. + * hmi-a-red is not used. + */ + gpio-leds { + compatible = "gpio-leds"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_leds>; + + hmi-b-red { + label = "hmi-b:red:provisioning"; + gpios = <&gpio3 6 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + + hmi-b-green { + label = "hmi-b:green:operation"; + gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + + hmi-c-red { + label = "hmi-c:red:mesh-error"; + gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + + hmi-c-green { + label = "hmi-c:green:mesh-activity"; + gpios = <&gpio2 30 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + + hmi-d-red { + label = "hmi-d:red:wan-down"; + gpios = <&gpio2 31 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + + hmi-d-green { + label = "hmi-d:green:ipsec-up"; + gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + }; + + /* + * Errata e10574 board restart workaround. + */ + gpio-restart { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_restart>; + compatible = "gpio-restart"; + gpios = <&gpio7 12 GPIO_ACTIVE_LOW>; + priority = <200>; + }; +}; + +/* + * Analog signals + * ADC1_IN0: SMPS - 5V output monitor (voltage divider: 1/0.2806) + */ +&adc1 { + vref-supply = <®_vref_1v8>; + status = "okay"; +}; + +&ecspi2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ecspi2>; + num-chipselects = <1>; + cs-gpios = <&gpio4 23 GPIO_ACTIVE_LOW>; + status = "okay"; + + pcf2127: rtc@0 { + compatible = "nxp,pcf2127"; + reg = <0>; + spi-max-frequency = <2000000>; + }; +}; + +&ecspi4 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ecspi4>; + num-chipselects = <1>; + cs-gpios = <&gpio3 3 GPIO_ACTIVE_LOW>; + status = "okay"; + + /* + * ST chip maximum SPI clock frequency is 33 MHz. + * + * TCG specification - Section 6.4.1 Clocking: + * TPM shall support a SPI clock frequency range of 10-24 MHz. + */ + st33htph: tpm-tis@0 { + compatible = "st,st33htpm-spi", "tcg,tpm_tis-spi"; + reg = <0>; + spi-max-frequency = <24000000>; + }; +}; + +&fec1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_enet1>; + phy-mode = "rmii"; + phy-handle = <ðphy>; + status = "okay"; + + /* + * MDIO bus reset is used to generate PHY device reset before + * Ethernet PHY type ID auto-detection. Otherwise this communication + * fails as device does not answer when recommended reset circuit + * is used. + */ + mdio { + #address-cells = <1>; + #size-cells = <0>; + + reset-delay-us = <100000>; + reset-post-delay-us = <500000>; + reset-gpios = <&gpio7 15 GPIO_ACTIVE_LOW>; + + /* Microchip/Micrel KSZ8081RNB */ + ethphy: ethernet-phy@1 { + compatible = "ethernet-phy-ieee802.3-c22"; + interrupt-parent = <&gpio1>; + interrupts = <9 IRQ_TYPE_LEVEL_LOW>; + reg = <1>; + }; + }; +}; + +/* + * Detection signals for internal USB modules. + * Used for robust USB plug and play handling such as USB downstream port + * power-cycle and USB hub reset in case of misbehaving or crashed modules. + * + * SMPS - AC input monitor based on zero crossing. + * Used for last gasp notification. + */ +&gpio3 { + gpio-line-names = "", "", "", "", "", "", "", "", + "", "", "", "", "smps-ac-monitor", "", "usb-hub-reset", "", + "", "", "", "", "", "", "", "", + "", "module-b-detection", "", "module-a-detection", "", "", "", ""; +}; + +/* + * Tamper IRQ trigger timestamp reading. + * Used for sealed cover opened/closed notification. + */ +&gpio5 { + gpio-line-names = "", "", "", "", "", "", "", "", + "", "", "", "", "rtc-tamper-irq", "", "", "", + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", ""; +}; + +&iomuxc { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_misc>; + + pinctrl_ecspi2: ecspi2grp { + fsl,pins = < + MX7D_PAD_ECSPI2_MISO__ECSPI2_MISO 0x7c /* X2-15 */ + MX7D_PAD_ECSPI2_MOSI__ECSPI2_MOSI 0x74 /* X2-18 */ + MX7D_PAD_ECSPI2_SCLK__ECSPI2_SCLK 0x74 /* X2-13 */ + MX7D_PAD_ECSPI2_SS0__GPIO4_IO23 0x74 /* X2-20 */ + /* RTC - Tamper IRQ */ + MX7D_PAD_SD2_CLK__GPIO5_IO12 0x3c /* X1-92 */ + >; + }; + + pinctrl_ecspi4: ecspi4grp { + fsl,pins = < + MX7D_PAD_LCD_CLK__ECSPI4_MISO 0x7c /* X2-72 */ + MX7D_PAD_LCD_ENABLE__ECSPI4_MOSI 0x74 /* X2-68 */ + MX7D_PAD_LCD_HSYNC__ECSPI4_SCLK 0x74 /* X2-76 */ + MX7D_PAD_LCD_VSYNC__GPIO3_IO3 0x74 /* X2-78 */ + >; + }; + + pinctrl_enet1: enet1grp { + fsl,pins = < + MX7D_PAD_GPIO1_IO10__ENET1_MDIO 0x03 /* X2-48 */ + MX7D_PAD_GPIO1_IO11__ENET1_MDC 0x03 /* X2-46 */ + MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 0x71 /* X2-53 */ + MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 0x71 /* X2-55 */ + MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL 0x71 /* X2-61 */ + MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 0x79 /* X2-56 */ + MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 0x79 /* X2-58 */ + MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL 0x79 /* X2-64 */ + MX7D_PAD_ENET1_RGMII_RXC__ENET1_RX_ER 0x73 /* X2-52 */ + /* PHY reset: SRE_FAST, DSE_X1 */ + MX7D_PAD_ENET1_COL__GPIO7_IO15 0x00 /* X1-96 */ + /* Clock from PHY to MAC: 100kPU */ + MX7D_PAD_GPIO1_IO12__CCM_ENET_REF_CLK1 0x70 /* X3-4 */ + /* PHY interrupt: 100kPU, HYS */ + MX7D_PAD_GPIO1_IO09__GPIO1_IO9 0x78 /* X1-80 */ + >; + }; + + pinctrl_leds: ledsgrp { + fsl,pins = < + MX7D_PAD_LCD_DATA01__GPIO3_IO6 0x14 /* X2-82 */ + MX7D_PAD_EPDC_BDR0__GPIO2_IO28 0x14 /* X1-82 */ + MX7D_PAD_EPDC_BDR1__GPIO2_IO29 0x14 /* X1-84 */ + MX7D_PAD_EPDC_PWR_COM__GPIO2_IO30 0x14 /* X1-86 */ + MX7D_PAD_EPDC_PWR_STAT__GPIO2_IO31 0x14 /* X1-88 */ + MX7D_PAD_UART2_TX_DATA__GPIO4_IO3 0x14 /* X1-90 */ + >; + }; + + pinctrl_misc: miscgrp { + fsl,pins = < + /* Module A detection (low = present) */ + MX7D_PAD_LCD_DATA22__GPIO3_IO27 0x7c /* X2-105 */ + /* Module B detection (low = present) */ + MX7D_PAD_LCD_DATA20__GPIO3_IO25 0x7c /* X2-103 */ + /* SMPS - AC input monitor (high = failure) */ + MX7D_PAD_LCD_DATA07__GPIO3_IO12 0x7c /* X2-88 */ + /* USB - Hub reset */ + MX7D_PAD_LCD_DATA09__GPIO3_IO14 0x74 /* X2-92 */ + >; + }; + + pinctrl_restart: restartgrp { + fsl,pins = < + MX7D_PAD_ENET1_TX_CLK__GPIO7_IO12 0x74 /* X1-94 */ + >; + }; + + pinctrl_uart4: uart4grp { + fsl,pins = < + MX7D_PAD_SAI2_TX_SYNC__UART4_DCE_RX 0x7e /* X3-14 */ + MX7D_PAD_SAI2_TX_BCLK__UART4_DCE_TX 0x76 /* X3-16 */ + >; + }; +}; + +&iomuxc_lpsr { + pinctrl_usbotg2: usbotg2grp { + fsl,pins = < + MX7D_PAD_LPSR_GPIO1_IO06__USB_OTG2_OC 0x5c /* X3-11 */ + MX7D_PAD_LPSR_GPIO1_IO07__GPIO1_IO7 0x59 /* X3-9 */ + >; + }; + +}; + +&uart4 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart4>; + assigned-clocks = <&clks IMX7D_UART4_ROOT_SRC>; + assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>; +}; + +&usbotg2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usbotg2>; + vbus-supply = <®_usb_otg2_vbus>; + srp-disable; + hnp-disable; + adp-disable; + dr_mode = "host"; + status = "okay"; +}; + +/* + * External watchdog feature provided by pcf2127. + */ +&wdog1 { + status = "disabled"; +};