From patchwork Sat Oct 9 11:50:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair Francis X-Patchwork-Id: 12547555 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1B254C433EF for ; Sat, 9 Oct 2021 11:51:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F2D65610C7 for ; Sat, 9 Oct 2021 11:51:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244847AbhJILx3 (ORCPT ); Sat, 9 Oct 2021 07:53:29 -0400 Received: from new3-smtp.messagingengine.com ([66.111.4.229]:52913 "EHLO new3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233011AbhJILx1 (ORCPT ); Sat, 9 Oct 2021 07:53:27 -0400 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailnew.nyi.internal (Postfix) with ESMTP id 8A582580542; Sat, 9 Oct 2021 07:51:30 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute3.internal (MEProxy); Sat, 09 Oct 2021 07:51:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alistair23.me; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm2; bh=pyVtUnZYzGrcH 1g1RkGLXUcs/0mV92qZW3HWmcKlct4=; b=nJiyrrUScK4wNx2yrMAFN51b8Zyo9 /3mdbqh85TgyPGpTjR26zPJaxiByKnh2rvm2zmN0CfLEoiPq5D8vJ8m0xXE8+nip OpweVWfq+Uh51Gv4dFAV1PJ+SpF24MBzidw+r0WnRSj8x80hINn0uUWGOEccOa17 79j2LmTEOukVNmxrOgdT4nZijr+/0yjYXVbQ7/wbDXeUka5Ed/Ep/Hig2OiEswIp qN5AC+BjsT4gWiEhkiCuwTW/ZTQ69FbHkhL0L/PlBsueYw8jiEGP9rViklZhq9QN XJqZMixrMHKWVLUfavaWEsyObtrs7lBdIrQ4wK0KlRsmp93buSZIuDsjw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm1; bh=pyVtUnZYzGrcH1g1RkGLXUcs/0mV92qZW3HWmcKlct4=; b=N419SSHs S2ZnPyzlNm+sPhFSpOJ1KtZ8wSTkshh9CO7NhjTGYeL7843H9ka8H0WI931Oq/LG 8C0jStu9CVSmkaHqqruMmzoI5R0lVS+cI42XIBvNA1od4UomaXlzD8UaQPF0y6np 3zfXddzzLM4L/11Oy2jsA62rfN/uY9LECC349m7zvbGmRNDuEbvfDKx9AZmSQMbi r05pTLOpbhNpAZegNhkMcN6hwjoID1H+EbFeA7ulTAroc0nD/CrKsHHRiu3yklgY nZtOHC7VvnsXDqdPLS+bcj5ptQ+ZHvpCglSRcdCp1sRzT5YLRhYyiI01XawmsZNK 4mHBbib3ttebQQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddrvddtvddggeegucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgjfhgggfestdekre dtredttdenucfhrhhomheptehlihhsthgrihhrucfhrhgrnhgtihhsuceorghlihhsthgr ihhrsegrlhhishhtrghirhdvfedrmhgvqeenucggtffrrghtthgvrhhnpeehffejteette ekfffhvdeghfegvedvvdeujeehheefveefudefgeeitdehueejleenucffohhmrghinhep rhgvmhgrrhhkrggslhgvrdgtohhmnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrg hmpehmrghilhhfrhhomheprghlihhsthgrihhrsegrlhhishhtrghirhdvfedrmhgv X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Sat, 9 Oct 2021 07:51:25 -0400 (EDT) From: Alistair Francis To: lee.jones@linaro.org, robh+dt@kernel.org, lgirdwood@gmail.com, broonie@kernel.org, kernel@pengutronix.de Cc: shawnguo@kernel.org, s.hauer@pengutronix.de, linux-imx@nxp.com, amitk@kernel.org, rui.zhang@intel.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, alistair23@gmail.com, linux-hwmon@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, Alistair Francis Subject: [PATCH v12 05/10] thermal: sy7636a: Add thermal driver for sy7636a Date: Sat, 9 Oct 2021 21:50:27 +1000 Message-Id: <20211009115031.18392-9-alistair@alistair23.me> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211009115031.18392-1-alistair@alistair23.me> References: <20211009115031.18392-1-alistair@alistair23.me> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add thermal driver to enable kernel based polling and shutdown of device for temperatures out of spec Signed-off-by: Alistair Francis --- drivers/thermal/Kconfig | 6 ++ drivers/thermal/Makefile | 1 + drivers/thermal/sy7636a_thermal.c | 94 +++++++++++++++++++++++++++++++ 3 files changed, 101 insertions(+) create mode 100644 drivers/thermal/sy7636a_thermal.c diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index d7f44deab5b1..6ee0e7de1b37 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -450,6 +450,12 @@ depends on (ARCH_STI || ARCH_STM32) && OF source "drivers/thermal/st/Kconfig" endmenu +config SY7636A_THERMAL + tristate "SY7636A thermal management" + help + Enable the sy7636a thermal driver, which supports the + temperature sensor embedded in Silabs SY7636A IC. + source "drivers/thermal/tegra/Kconfig" config GENERIC_ADC_THERMAL diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile index 82fc3e616e54..2e1aca8a0a09 100644 --- a/drivers/thermal/Makefile +++ b/drivers/thermal/Makefile @@ -51,6 +51,7 @@ obj-$(CONFIG_DA9062_THERMAL) += da9062-thermal.o obj-y += intel/ obj-$(CONFIG_TI_SOC_THERMAL) += ti-soc-thermal/ obj-y += st/ +obj-$(CONFIG_SY7636A_THERMAL) += sy7636a_thermal.o obj-$(CONFIG_QCOM_TSENS) += qcom/ obj-y += tegra/ obj-$(CONFIG_HISI_THERMAL) += hisi_thermal.o diff --git a/drivers/thermal/sy7636a_thermal.c b/drivers/thermal/sy7636a_thermal.c new file mode 100644 index 000000000000..9e58305ca3ce --- /dev/null +++ b/drivers/thermal/sy7636a_thermal.c @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Functions to access SY3686A power management chip temperature + * + * Copyright (C) 2019 reMarkable AS - http://www.remarkable.com/ + * + * Authors: Lars Ivar Miljeteig + * Alistair Francis + */ + +#include +#include +#include + +#include + +static int sy7636a_get_temp(void *arg, int *res) +{ + unsigned int mode_ctr; + int ret, reg_val; + struct regmap *regmap = arg; + bool isVoltageActive; + + ret = regmap_read(regmap, + SY7636A_REG_OPERATION_MODE_CRL, &mode_ctr); + if (ret) + return ret; + + isVoltageActive = mode_ctr & SY7636A_OPERATION_MODE_CRL_ONOFF; + + /* If operation mode isn't set to control, then let's set it. */ + if (!isVoltageActive) { + ret = regmap_write(regmap, + SY7636A_REG_OPERATION_MODE_CRL, + mode_ctr | SY7636A_OPERATION_MODE_CRL_ONOFF); + if (ret) + return ret; + } + + ret = regmap_read(regmap, + SY7636A_REG_TERMISTOR_READOUT, ®_val); + if (ret) + return ret; + + /* Restore the operation mode if it wasn't set */ + if (!isVoltageActive) { + ret = regmap_write(regmap, + SY7636A_REG_OPERATION_MODE_CRL, + mode_ctr); + if (ret) + return ret; + } + + *res = reg_val * 1000; + + return ret; +} + +static const struct thermal_zone_of_device_ops ops = { + .get_temp = sy7636a_get_temp, +}; + +static int sy7636a_thermal_probe(struct platform_device *pdev) +{ + struct regmap *regmap = dev_get_regmap(pdev->dev.parent, NULL); + struct thermal_zone_device *thermal_zone_dev; + + thermal_zone_dev = devm_thermal_zone_of_sensor_register( + pdev->dev.parent, + 0, + regmap, + &ops); + + return PTR_ERR_OR_ZERO(thermal_zone_dev); +} + +static const struct platform_device_id sy7636a_thermal_id_table[] = { + { "sy7636a-thermal", }, + { } +}; +MODULE_DEVICE_TABLE(platform, sy7636a_thermal_id_table); + +static struct platform_driver sy7636a_thermal_driver = { + .driver = { + .name = "sy7636a-thermal", + }, + .probe = sy7636a_thermal_probe, + .id_table = sy7636a_thermal_id_table, +}; +module_platform_driver(sy7636a_thermal_driver); + +MODULE_AUTHOR("Lars Ivar Miljeteig "); +MODULE_DESCRIPTION("SY7636A thermal driver"); +MODULE_LICENSE("GPL v2"); From patchwork Sat Oct 9 11:57:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair Francis X-Patchwork-Id: 12547611 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CBCF8C433EF for ; Sat, 9 Oct 2021 11:57:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AE2F960F94 for ; Sat, 9 Oct 2021 11:57:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244869AbhJIL7l (ORCPT ); Sat, 9 Oct 2021 07:59:41 -0400 Received: from new3-smtp.messagingengine.com ([66.111.4.229]:40625 "EHLO new3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244876AbhJIL7k (ORCPT ); Sat, 9 Oct 2021 07:59:40 -0400 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailnew.nyi.internal (Postfix) with ESMTP id 5D135580A0F; Sat, 9 Oct 2021 07:57:43 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute4.internal (MEProxy); Sat, 09 Oct 2021 07:57:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alistair23.me; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; s=fm2; bh=ReThg5ZGo1o5jqJWFdVfwe8Jjp jq33hX/M+b6dnDGuI=; b=sLu8nNcMGanwtLsII36vPFgM7F1DQUUc3hir2+g0kI 8pvqGepmuBp4DQZgq5CZCfZH8N1DugVcO23eeGtMc2yOn2y9QCZFEIz96aJM55CB WNEmXkOV9woHWGhxEyImfWTa4Z1dCponu+zbx9GCxA1SLYsgoEscrTXI6c5b43Bj MohTtixF3IALd/Z96srurcWGaU5AcrkLWIcgUk0SIVkbvs/fg2KujcFsWlEsyaZQ A6Xz9H5H/DO+miuL2LjDu/J32hFGcu2i092FSwEAmqMbXBp7HnDb4lYxnjbhs/D7 frcmhqkHSBg5BC57B+bDHKMrNWGop1mLCp/eAsyhER2Q== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :message-id:mime-version:subject:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=ReThg5ZGo1o5jqJWF dVfwe8Jjpjq33hX/M+b6dnDGuI=; b=QN8Ys11dYxzubZmJ4Mx4gQG5+owDcHO+v pTSIsdRMeCP554ZY42w1zv3RDDkakSGKkihQkjscGGIahzXCGYyZ42z541tG+6K4 rRyF3mrMEVPIPEtOf36sk2KYkHjsyhUvAPy2M8AkR6byobnfuwilqE6AzgoMfjFl awv8QqQ/7UHTlUogYcrlFWoZdjZC5Zh0WQ4MuLFelkUtugJDd8SYtmraNyczLNVx tDW3fwCGbAyRa754W3XxUDxNNwjcr1FOJ6Q92B8gfUa6/ck4tMWILGlK4HzZ3ATw uhICvhKBwRGbXKWi+wRustcFbyX1ZAN9EEtPHoQU+YYypDHHiJG7Q== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddrvddtvddggeehucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgggfestdekredtre dttdenucfhrhhomheptehlihhsthgrihhrucfhrhgrnhgtihhsuceorghlihhsthgrihhr segrlhhishhtrghirhdvfedrmhgvqeenucggtffrrghtthgvrhhnpeejleeihfdvtefgtd ethfdtgefftdeiffefjeeiffefveeuleejheejvefhffeukeenucevlhhushhtvghrufhi iigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpegrlhhishhtrghirhesrghlihhsth grihhrvdefrdhmvg X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Sat, 9 Oct 2021 07:57:36 -0400 (EDT) From: Alistair Francis To: lee.jones@linaro.org, robh+dt@kernel.org, lgirdwood@gmail.com, broonie@kernel.org, kernel@pengutronix.de Cc: shawnguo@kernel.org, s.hauer@pengutronix.de, linux-imx@nxp.com, amitk@kernel.org, rui.zhang@intel.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, alistair23@gmail.com, linux-hwmon@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, Alistair Francis Subject: [PATCH v12 10/10] ARM: dts: imx7d: remarkable2: Enable lcdif Date: Sat, 9 Oct 2021 21:57:32 +1000 Message-Id: <20211009115732.19102-1-alistair@alistair23.me> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Connect the dispaly on the reMarkable2. Signed-off-by: Alistair Francis --- arch/arm/boot/dts/imx7d-remarkable2.dts | 74 +++++++++++++++++++++++++ 1 file changed, 74 insertions(+) diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts index 1b49c26816cd..5f32c216c3fd 100644 --- a/arch/arm/boot/dts/imx7d-remarkable2.dts +++ b/arch/arm/boot/dts/imx7d-remarkable2.dts @@ -47,6 +47,16 @@ reg_digitizer: regulator-digitizer { startup-delay-us = <100000>; /* 100 ms */ }; + reg_sdoe: regulator-sdoe { + compatible = "regulator-fixed"; + regulator-name = "SDOE"; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&pinctrl_sdoe_reg>; + pinctrl-1 = <&pinctrl_sdoe_reg>; + gpio = <&gpio3 27 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + wifi_pwrseq: wifi_pwrseq { compatible = "mmc-pwrseq-simple"; pinctrl-names = "default"; @@ -55,6 +65,16 @@ wifi_pwrseq: wifi_pwrseq { clocks = <&clks IMX7D_CLKO2_ROOT_DIV>; clock-names = "ext_clock"; }; + + panel { + compatible = "eink,vb3300-kca"; + + port { + panel_in: endpoint { + remote-endpoint = <&display_out>; + }; + }; + }; }; &clks { @@ -114,6 +134,20 @@ reg_epdpmic: vcom { }; }; +&lcdif { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_lcdif>; + lcd-supply = <®_epdpmic>; + lcd2-supply = <®_sdoe>; + status = "okay"; + + port { + display_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; +}; + &snvs_pwrkey { status = "okay"; }; @@ -228,6 +262,46 @@ MX7D_PAD_I2C4_SCL__I2C4_SCL 0x4000007f >; }; + pinctrl_lcdif: lcdifgrp { + fsl,pins = < + MX7D_PAD_LCD_DATA00__LCD_DATA0 0x79 + MX7D_PAD_LCD_DATA01__LCD_DATA1 0x79 + MX7D_PAD_LCD_DATA02__LCD_DATA2 0x79 + MX7D_PAD_LCD_DATA03__LCD_DATA3 0x79 + MX7D_PAD_LCD_DATA04__LCD_DATA4 0x79 + MX7D_PAD_LCD_DATA05__LCD_DATA5 0x79 + MX7D_PAD_LCD_DATA06__LCD_DATA6 0x79 + MX7D_PAD_LCD_DATA07__LCD_DATA7 0x79 + MX7D_PAD_LCD_DATA08__LCD_DATA8 0x79 + MX7D_PAD_LCD_DATA09__LCD_DATA9 0x79 + MX7D_PAD_LCD_DATA10__LCD_DATA10 0x79 + MX7D_PAD_LCD_DATA11__LCD_DATA11 0x79 + MX7D_PAD_LCD_DATA12__LCD_DATA12 0x79 + MX7D_PAD_LCD_DATA13__LCD_DATA13 0x79 + MX7D_PAD_LCD_DATA14__LCD_DATA14 0x79 + MX7D_PAD_LCD_DATA15__LCD_DATA15 0x79 + + MX7D_PAD_LCD_DATA17__LCD_DATA17 0x79 + MX7D_PAD_LCD_DATA18__LCD_DATA18 0x79 + MX7D_PAD_LCD_DATA19__LCD_DATA19 0x79 + MX7D_PAD_LCD_DATA20__LCD_DATA20 0x79 + MX7D_PAD_LCD_DATA21__LCD_DATA21 0x79 + + MX7D_PAD_LCD_DATA23__LCD_DATA23 0x79 + MX7D_PAD_LCD_CLK__LCD_CLK 0x79 + MX7D_PAD_LCD_ENABLE__LCD_ENABLE 0x79 + MX7D_PAD_LCD_VSYNC__LCD_VSYNC 0x79 + MX7D_PAD_LCD_HSYNC__LCD_HSYNC 0x79 + MX7D_PAD_LCD_RESET__LCD_RESET 0x79 + >; + }; + + pinctrl_sdoe_reg: sdoereggrp { + fsl,pins = < + MX7D_PAD_LCD_DATA22__GPIO3_IO27 0x74 + >; + }; + pinctrl_uart1: uart1grp { fsl,pins = < MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX 0x79