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Sun, 31 Mar 2019 19:17:20 +0000 Received: from mout.gmx.net ([212.227.15.15]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hAfwe-0005bo-Pf for linux-arm-kernel@lists.infradead.org; Sun, 31 Mar 2019 19:16:43 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1554059787; bh=slFTgdTS5niuK69PbeWMdLEuEgYvvSywveCWXAP4rUc=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=JcVDaqT29gUCZucGBUwLJ/0RTFcmEG3jwD9iLOMzHr4U8W/vg6ml0t6sB0gWKshWh u0MA7vnHwPuBpPoGogoZS8PqPEhzmja1WUV1YCQZec3IpHJwtNHNff9xFuUI4y6Er9 zJ7x0wfhOZ/mLs5EqXPLKoZRYdEe0ORuaSVouGlg= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from longitude ([109.90.232.48]) by mail.gmx.com (mrgmx003 [212.227.17.190]) with ESMTPSA (Nemesis) id 0LZhoi-1gWACM41Jk-00lXwq; Sun, 31 Mar 2019 21:16:27 +0200 From: =?utf-8?q?Jonathan_Neusch=C3=A4fer?= To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 3/3] ARM: dts: imx50: Add Kobo Aura DTS Date: Sun, 31 Mar 2019 21:16:02 +0200 Message-Id: <20190331191602.3921-4-j.neuschaefer@gmx.net> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190331191602.3921-1-j.neuschaefer@gmx.net> References: <20190331191602.3921-1-j.neuschaefer@gmx.net> MIME-Version: 1.0 X-Provags-ID: V03:K1:IB0ZlZS+bVe3DOTmNoXV+0fp32uxH0KeKfIRvIS7Nz1gVF+MpxO g+SvAIzyQMkQypy7tM5hPJ6Gqd8iZK7ODW7uC4DF6JDbQjaV1XvO+tayPnHCKK7y/K1lKtD 7mAjjjClWpr7JYqQCNXu69D3QXstSvjdp7+dPD5R04SZjbEBzej/kKUzwoDATVsuH+C+EtP ncetSxOl541xJfxePbIlg== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1; V03:K0:SF+Es+fXZA4=:qwRrPdvWS6j4oDxvFBm+Np QgEBM7bKUk4+tblDZJ/1rI4F6gAHqIidVKIbpCdDqNEA3YR3BOIWXIfuFS+ulNYi8SXsuTcU6 N7+K7XTdWx8oiZsJRE2rcqWKYfwQEBbBo6BBDaDjxTM8AmI56FUam7jtwAcmFIR5wUdKKyGoF /afdDFdad0zoBGebyddnIPWaN6fGUDQNC5Q6Vo8K2ktv3lTkJdGqe9VaWQ4WKhvf0xgwow06f Tr2p3q/joaiSvSxuscFwYAG0XNaZ+3HI/wQSCQWM4Prf7DHB2naVojoU5DK0zXCxk3nOONIJE Mbx0Iwdo1HAVGEEg1wAz8d/hCvmvK9Gyn95JUNq0w25z108JJsiTDU4GyZbbvqjHF3Mj5Tskg Z64McLqFZtMqbjfncSNYi+MH148PL3US1A2Tzj5DrOEL14pcWZqx53xF7QtzKNViEneXZB7vw Szbl5CJMN7qeSr+vagFH0CejYklVhCUSTvyIGdNhH8gNwmsCZ32imGU+mC6Zi0iEUBvh//tsN zqOl+WWQF+z+fnmAQ7acSyCKoMh8KJ9e9QT9waukw6hYZqw4xjWuucfbwQfNt+kN3y0L31GSm KikNMlVmaJsMa8oewX4gOsg+xRTRDkCBI9mQrOx6Cp9lsWtUSqgPZZ1uot1Kh3bs3QVmRANrT xbKlX4aFMbXk7tnerfQSLFPiQfB2BIRn0gh5EKZYAWln4BnJXsY+MLzjsmg4Y9+KceXc8uIC4 wRxzIdbUVIKMHT/+72ONDyrwDBgjrP7IatmJD1gG3CNh09c8mP8laDh8n+GVCx5AYadJfBHV3 mm+E7DOZWaimkkp2Bc4vbMLKCgNClSzm6qbpGKJ5JQenVsxW/w/JUjz7RMv/J5frd2TgLaDQZ 8z7i7YZJmyrOVtQKwdEGlTviTL/R9D/MyOaJEdw9BCmwPrsxwq1EOIARdb1J9NOpUZzHn8SmJ qig+Pe6A+yA== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190331_121641_163442_C2B0FDF9 X-CRM114-Status: GOOD ( 16.40 ) X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [212.227.15.15 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 (j.neuschaefer[at]gmx.net) -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Aisheng Dong , =?utf-8?b?Vm9rw6HEjSBNaWNoYWw=?= , Heiko Stuebner , devicetree@vger.kernel.org, Martin Blumenstingl , Shawn Guo , Sascha Hauer , =?utf-8?q?Jonathan_Neusch=C3=A4fer?= , Johan Hovold , Rob Herring , NXP Linux Team , Pengutronix Kernel Team , Manivannan Sadhasivam , Thierry Reding , Fabio Estevam , Kevin Hilman , linux-kernel@vger.kernel.org, Jagan Teki Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org List-Id: linux-imx-kernel.lists.patchwork.ozlabs.org The Kobo Aura is an e-book reader released in 2013. With the devicetree in its current state, the kernel will boot and run for about ten seconds. To solve this, the embedded controller needs to be told that the system should stay powered on. This will be done in a later patchset. - The IOMUXC mode bits for the SD interfaces were taken from the vendor's U-Boot fork. - The bus width of the eMMC is 4 bits in the vendor kernel, but I achieved better performance with 8 bits. - The SDIO clock frequency for the WiFi chip is 25MHz in the vendor kernel, but the WiFi chip (BCM43362) supports 50MHz, which works reliably on this board and gives slightly better performance. - The I2C pins' IOMUXC settings come from the vendor's U-Boot fork. Signed-off-by: Jonathan Neuschäfer --- v2: - Squash patch 4 ("ARM: dts: imx50-kobo-aura: Enable USB support") - Sort pinctrl nodes alphabetically, as suggested by Shawn Guo - Sort labeled nodes alphabetically, as suggested by Shawn Guo - Make "status" the last property, as suggested by Shawn Guo - Use KEY_RESERVED and EV_SW, as suggested by Shawn Guo - Remove newlines between properties, as suggested by Shawn Guo v1: https://lore.kernel.org/lkml/20190319152421.16179-3-j.neuschaefer@gmx.net/ --- arch/arm/boot/dts/Makefile | 3 +- arch/arm/boot/dts/imx50-kobo-aura.dts | 258 ++++++++++++++++++++++++++ 2 files changed, 260 insertions(+), 1 deletion(-) create mode 100644 arch/arm/boot/dts/imx50-kobo-aura.dts -- 2.20.1 diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index f4f5aeaf3298..0c85156c552b 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -363,7 +363,8 @@ dtb-$(CONFIG_SOC_IMX35) += \ imx35-eukrea-mbimxsd35-baseboard.dtb \ imx35-pdk.dtb dtb-$(CONFIG_SOC_IMX50) += \ - imx50-evk.dtb + imx50-evk.dtb \ + imx50-kobo-aura.dtb dtb-$(CONFIG_SOC_IMX51) += \ imx51-apf51.dtb \ imx51-apf51dev.dtb \ diff --git a/arch/arm/boot/dts/imx50-kobo-aura.dts b/arch/arm/boot/dts/imx50-kobo-aura.dts new file mode 100644 index 000000000000..a0eaf869b913 --- /dev/null +++ b/arch/arm/boot/dts/imx50-kobo-aura.dts @@ -0,0 +1,258 @@ +// SPDX-License-Identifier: GPL-2.0+ +// Copyright 2019 Jonathan Neuschäfer +// +// The Kobo Aura e-book reader, model N514. The mainboard is marked as E606F0B. + +/dts-v1/; +#include "imx50.dtsi" +#include + +/ { + model = "Kobo Aura (N514)"; + compatible = "kobo,aura", "fsl,imx50"; + + chosen { + stdout-path = "serial1:115200n8"; + }; + + memory@70000000 { + device_type = "memory"; + reg = <0x70000000 0x10000000>; + }; + + gpio-leds { + compatible = "gpio-leds"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_leds>; + + on { + label = "kobo_aura:orange:on"; + gpios = <&gpio6 24 GPIO_ACTIVE_LOW>; + panic-indicator; + }; + }; + + gpio-keys { + compatible = "gpio-keys"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gpiokeys>; + + power { + label = "Power Button"; + gpios = <&gpio4 10 GPIO_ACTIVE_LOW>; + linux,code = ; + }; + + hallsensor { + label = "Hallsensor"; + gpios = <&gpio5 15 GPIO_ACTIVE_LOW>; + linux,code = ; + linux,input-type = ; + }; + + frontlight { + label = "Frontlight"; + gpios = <&gpio4 1 GPIO_ACTIVE_LOW>; + linux,code = ; + }; + }; + + sd2_pwrseq: pwrseq { + compatible = "mmc-pwrseq-simple"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sd2_reset>; + reset-gpios = <&gpio4 17 GPIO_ACTIVE_LOW>; + }; + + sd2_vmmc: gpio-regulator { + compatible = "regulator-gpio"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sd2_vmmc>; + regulator-name = "vmmc"; + states = <3300000 0>; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + enable-gpio = <&gpio4 12 GPIO_ACTIVE_LOW>; + startup-delay-us = <100000>; + }; +}; + +&esdhc1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sd1>; + max-frequency = <50000000>; + bus-width = <4>; + cd-gpios = <&gpio5 17 GPIO_ACTIVE_LOW>; + disable-wp; + status = "okay"; + + /* External µSD card */ +}; + +&esdhc2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sd2>; + bus-width = <4>; + max-frequency = <50000000>; + disable-wp; + mmc-pwrseq = <&sd2_pwrseq>; + vmmc-supply = <&sd2_vmmc>; + status = "okay"; + + /* CyberTan WC121 SDIO WiFi (BCM43362) */ +}; + +&esdhc3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sd3>; + bus-width = <8>; + non-removable; + max-frequency = <50000000>; + disable-wp; + status = "okay"; + + /* Internal eMMC */ +}; + +&i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c1>; + status = "okay"; + + /* TODO: ektf2132 touch controller at 0x15 */ +}; + +&i2c2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c2>; + status = "okay"; + + /* TODO: TPS65185 PMIC for E Ink at 0x68 */ +}; + +&i2c3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c3>; + status = "okay"; + + /* TODO: embedded controller at 0x43 */ +}; + +&iomuxc { + pinctrl_gpiokeys: gpiokeys { + fsl,pins = < + MX50_PAD_CSPI_MISO__GPIO4_10 0x0 + MX50_PAD_SD2_D7__GPIO5_15 0x0 + MX50_PAD_KEY_ROW0__GPIO4_1 0x0 + >; + }; + + pinctrl_i2c1: i2c1 { + fsl,pins = < + MX50_PAD_I2C1_SCL__I2C1_SCL 0x400001fd + MX50_PAD_I2C1_SDA__I2C1_SDA 0x400001fd + >; + }; + + pinctrl_i2c2: i2c2 { + fsl,pins = < + MX50_PAD_I2C2_SCL__I2C2_SCL 0x400001fd + MX50_PAD_I2C2_SDA__I2C2_SDA 0x400001fd + >; + }; + + pinctrl_i2c3: i2c3 { + fsl,pins = < + MX50_PAD_I2C3_SCL__I2C3_SCL 0x400001fd + MX50_PAD_I2C3_SDA__I2C3_SDA 0x400001fd + >; + }; + + pinctrl_leds: leds { + fsl,pins = < + MX50_PAD_PWM1__GPIO6_24 0x0 + >; + }; + + pinctrl_sd1: sd1 { + fsl,pins = < + MX50_PAD_SD1_CMD__ESDHC1_CMD 0x1e4 + MX50_PAD_SD1_CLK__ESDHC1_CLK 0xd4 + MX50_PAD_SD1_D0__ESDHC1_DAT0 0x1d4 + MX50_PAD_SD1_D1__ESDHC1_DAT1 0x1d4 + MX50_PAD_SD1_D2__ESDHC1_DAT2 0x1d4 + MX50_PAD_SD1_D3__ESDHC1_DAT3 0x1d4 + + MX50_PAD_SD2_CD__GPIO5_17 0x0 + >; + }; + + pinctrl_sd2: sd2 { + fsl,pins = < + MX50_PAD_SD2_CMD__ESDHC2_CMD 0x1e4 + MX50_PAD_SD2_CLK__ESDHC2_CLK 0xd4 + MX50_PAD_SD2_D0__ESDHC2_DAT0 0x1d4 + MX50_PAD_SD2_D1__ESDHC2_DAT1 0x1d4 + MX50_PAD_SD2_D2__ESDHC2_DAT2 0x1d4 + MX50_PAD_SD2_D3__ESDHC2_DAT3 0x1d4 + >; + }; + + pinctrl_sd2_reset: sd2-reset { + fsl,pins = < + MX50_PAD_ECSPI2_MOSI__GPIO4_17 0x0 + >; + }; + + pinctrl_sd2_vmmc: sd2-vmmc { + fsl,pins = < + MX50_PAD_ECSPI1_SCLK__GPIO4_12 0x0 + >; + }; + + pinctrl_sd3: sd3 { + fsl,pins = < + MX50_PAD_SD3_CMD__ESDHC3_CMD 0x1e4 + MX50_PAD_SD3_CLK__ESDHC3_CLK 0xd4 + MX50_PAD_SD3_D0__ESDHC3_DAT0 0x1d4 + MX50_PAD_SD3_D1__ESDHC3_DAT1 0x1d4 + MX50_PAD_SD3_D2__ESDHC3_DAT2 0x1d4 + MX50_PAD_SD3_D3__ESDHC3_DAT3 0x1d4 + MX50_PAD_SD3_D4__ESDHC3_DAT4 0x1d4 + MX50_PAD_SD3_D5__ESDHC3_DAT5 0x1d4 + MX50_PAD_SD3_D6__ESDHC3_DAT6 0x1d4 + MX50_PAD_SD3_D7__ESDHC3_DAT7 0x1d4 + >; + }; + + pinctrl_uart2: uart2 { + fsl,pins = < + MX50_PAD_UART2_TXD__UART2_TXD_MUX 0x1e4 + MX50_PAD_UART2_RXD__UART2_RXD_MUX 0x1e4 + >; + }; + + pinctrl_usbphy: usbphy { + fsl,pins = < + MX50_PAD_ECSPI2_SS0__GPIO4_19 0x0 + >; + }; +}; + +&uart2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart2>; + status = "okay"; +}; + +&usbotg { + phy_type = "utmi_wide"; + dr_mode = "peripheral"; + status = "okay"; +}; + +&usbphy0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usbphy>; + vbus-detect-gpio = <&gpio4 19 GPIO_ACTIVE_LOW>; +};