From patchwork Thu May 28 08:41:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fengping Yu X-Patchwork-Id: 11575307 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 AD9BF913 for ; Thu, 28 May 2020 08:42:21 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 71E2020B80 for ; Thu, 28 May 2020 08:42:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="X6GlurnD"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="Ovj6IY93" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 71E2020B80 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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=uLEipRa4B8srU6Fbwa1Xa6lX1lsQzWbNTM/6yzuAdbE=; b=X6GlurnDz9Yznm vgqOhzhk2POQ81fq/OYKIa6s+6w0glMDtSgzS6E2IGMNcDW633IR6sKhB+gOYrDSfQmQmve+88m4t AD9C2Q6KpMNvH9iETk54/Yl65cpfwy5gYpmxp4OKuPqF+u2uXheu6V0KEHDOZwDPwyJe82GsMXCBq egLWdFrpA+Y+UbdiMRludbAjTgkqSlw5/MyG1VDvoaLsMHAUQGIY2H70Vr4vjaeyrPUoqpesPb9Ly 1Dkng/TyTmDOLfbZrKuLfEljve2wjMCAxxaQGaXmJhdBiDqGVdIhgJYy2VCkvqp7dx3ytORNReIAx H7zhyRleqKS808G7miOw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jeE7D-0003It-8H; Thu, 28 May 2020 08:42:15 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jeE79-0003El-95; Thu, 28 May 2020 08:42:13 +0000 X-UUID: 6a08a57590ae439785ea4d8a40dc9c2a-20200528 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=oNstLS6/mgWfRRhO8NpB9m5XZk3fhAC/bhZ2MdifWIU=; b=Ovj6IY93Cf6zeP7+ESl0EQ7Ic4aU6JTTPzECC3N2iBArSw9r4iaU5CqAGBrUO+3PzUbEoc6KEU/u1XFXovpLnxTr7MhHVkBenWr9QcVLdnEk34NbjE2gGDeIRrZTv4tc4NjNzS5P0JnrcksI+iOh2yTav52cl6ZyYarupqZqw9o=; X-UUID: 6a08a57590ae439785ea4d8a40dc9c2a-20200528 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1134374279; Thu, 28 May 2020 00:42:16 -0800 Received: from MTKMBS02N1.mediatek.inc (172.21.101.77) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 28 May 2020 01:42:05 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 28 May 2020 16:42:04 +0800 Received: from localhost.localdomain (10.15.43.140) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 28 May 2020 16:42:03 +0800 From: Fengping Yu To: Yingjoe Chen , Dmitry Torokhov , Andy Shevchenko , Marco Felsch Subject: [PATCH v10 1/3] dt-bindings: Add keypad devicetree documentation Date: Thu, 28 May 2020 16:41:42 +0800 Message-ID: <20200528084143.36482-2-fengping.yu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200528084143.36482-1-fengping.yu@mediatek.com> References: <20200528084143.36482-1-fengping.yu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200528_014211_337635_95844034 X-CRM114-Status: GOOD ( 12.43 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -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 -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 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 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: "fengping.yu" , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: "fengping.yu" Add Mediatek matrix keypad dt-bindings doc as yaml schema. Signed-off-by: fengping.yu Reviewed-by: Marco Felsch --- .../devicetree/bindings/input/mtk-kpd.yaml | 95 +++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/mtk-kpd.yaml diff --git a/Documentation/devicetree/bindings/input/mtk-kpd.yaml b/Documentation/devicetree/bindings/input/mtk-kpd.yaml new file mode 100644 index 000000000000..586cd196dd00 --- /dev/null +++ b/Documentation/devicetree/bindings/input/mtk-kpd.yaml @@ -0,0 +1,95 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +version: 1 + +$id: http://devicetree.org/schemas/input/mtk-keypad.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek's Keypad Controller device tree bindings + +maintainer: + - Fengping Yu + +description: | + Mediatek's Keypad controller is used to interface a SoC with a matrix-type + keypad device. The keypad controller supports multiple row and column lines. + A key can be placed at each intersection of a unique row and a unique column. + The keypad controller can sense a key-press and key-release and report the + event using a interrupt to the cpu. + +properties: + compatible: + oneOf: + - const: "mediatek,mt6779-keypad" + - const: "mediatek,mt6873-keypad" + + clock-names: + description: Names of the clocks listed in clocks property in the same order + maxItems: 1 + + clocks: + description: Must contain one entry, for the module clock + refs: devicetree/bindings/clocks/clock-bindings.txt for details. + + interrupts: + description: A single interrupt specifier + maxItems: 1 + + linux,keymap: + description: The keymap for keys as described in the binding document + refs: devicetree/bindings/input/matrix-keymap.txt + minItems: 1 + maxItems: 16 + + pinctrl-0: + description: Specify pin control groups used for this controller + refs: devicetree/bindings/pinctrl/pinctrl-bindings.txt + + pinctrl-names: + description: Names for optional pin modes + maxItems: 1 + + reg: + description: The base address of the Keypad register bank + maxItems: 1 + + wakeup-source: + description: use any event on keypad as wakeup event + type: boolean + + keypad,num-columns: + description: Number of column lines connected to the keypad controller, + it is not equal to PCB columns number, instead you should add required value + for each IC + + keypad,num-rows: + description: Number of row lines connected to the keypad controller, it is + not equal to PCB rows number, instead you should add required value for each IC + + mediatek,debounce-us: + description: Debounce interval in microseconds + maximum: 256000 + +required: + - compatible + - reg + - interrupts + - linux,keymap + - pinctrl + - clocks + - clock-names + +examples: + - | + + keypad: kp@10010000 { + compatible = "mediatek,mt6779-keypad"; + reg = <0 0x10010000 0 0x1000>; + linux,keymap = < MATRIX_KEY(0x00, 0x00, KEY_VOLUMEDOWN) >; + interrupts = ; + clocks = <&clk26m>; + clock-names = "kpd"; + pinctrl-names = "default"; + pinctrl-0 = <&kpd_gpios_def_cfg>; + }; From patchwork Thu May 28 08:41:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fengping Yu X-Patchwork-Id: 11575311 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 7A4E1913 for ; Thu, 28 May 2020 08:42:51 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 58E28207D3 for ; Thu, 28 May 2020 08:42:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="TiTuBmxa"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="D6x1/26w" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 58E28207D3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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=o5jPIAlKWq39mFhrOlzS4KcxBIyVOhAdGVs6HUbEZQg=; b=TiTuBmxaLTgo8+ MFaYmXK9bsL8+NhvKdbQQ2OvbTNMO81Lt/QSsDh8+3CqASBQ/5Z2DObNivedijx5ZTAOSQiygxo6R Dhr7+31sv6VB4mSTGYVarGMHVKnaZ5bq9zw7V67XWaYuJpddJHvuWMbgK7zYMXtKpN6ziErGrGm5P SKetyH/XQGVSVh9hSlHnXqFvBpZwrHSorIAP2toORyrhJeltWxh97AWDotHxTwRUxAWgjTxH2Ytw2 AjjN8ruWU8I2sTiNKvBmlF+fx2wBmMrv0kUnzt3p4Ly6njvKusIDUU0kxgq1Mp1DQwnVAmusZgMkB DIeS5EH0X9zkAv8pLKhQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jeE7f-0003hF-3Z; Thu, 28 May 2020 08:42:43 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jeE7V-0003c1-Ta; Thu, 28 May 2020 08:42:36 +0000 X-UUID: 57b2b93b9da44c6da223ec5e62c57052-20200528 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=QyMcEI1UuOo9DFidqQS0qYVzw7bpBfbhTSCgcERUYtk=; b=D6x1/26w2Hzm2HOqp8JVKyEXyJemRfeMtitKPK8CwC2CGuABCjBx7Nd/Y05Ldu4fCKPL+t2dx+EEYA/9F34idDArLTpkuCQYEU9ho9sTugcDGm/8zrdDrB68W8AoMSNc5U9VkTHtBMzNiQz/sJTvfk6yGeMbezxr6rEO4hJ9ebM=; X-UUID: 57b2b93b9da44c6da223ec5e62c57052-20200528 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 540562995; Thu, 28 May 2020 00:42:33 -0800 Received: from MTKMBS02N2.mediatek.inc (172.21.101.101) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 28 May 2020 01:42:21 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 28 May 2020 16:42:20 +0800 Received: from localhost.localdomain (10.15.43.140) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 28 May 2020 16:42:20 +0800 From: Fengping Yu To: Yingjoe Chen , Dmitry Torokhov , Andy Shevchenko , Marco Felsch Subject: [PATCH v10 2/3] drivers: input: keyboard: Add mtk keypad driver Date: Thu, 28 May 2020 16:41:44 +0800 Message-ID: <20200528084143.36482-3-fengping.yu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200528084143.36482-1-fengping.yu@mediatek.com> References: <20200528084143.36482-1-fengping.yu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: A1F0C3D21172489519A34D7C22AD4BD77FCAE41F04C15D7720FC82FBEF3023202000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200528_014234_051638_4C121370 X-CRM114-Status: GOOD ( 16.02 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -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 -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 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 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: "fengping.yu" , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: "fengping.yu" This adds matrix keypad support for Mediatek SoCs. Signed-off-by: fengping.yu Reviewed-by: Marco Felsch --- drivers/input/keyboard/Kconfig | 11 ++ drivers/input/keyboard/Makefile | 1 + drivers/input/keyboard/mtk-kpd.c | 206 +++++++++++++++++++++++++++++++ 3 files changed, 218 insertions(+) create mode 100644 drivers/input/keyboard/mtk-kpd.c diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index 28de965a08d5..c55230c4c344 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -782,6 +782,17 @@ config KEYBOARD_BCM To compile this driver as a module, choose M here: the module will be called bcm-keypad. +config KEYBOARD_MTK_KPD + tristate "MediaTek Keypad Support" + depends on ARCH_MEDIATEK || COMPILE_TEST + select CONFIG_REGMAP_MMIO + select INPUT_MATRIXKMAP + help + Say Y here if you want to use the keypad on MediaTek SoCs. + If unsure, say N. + To compile this driver as a module, choose M here: the + module will be called mtk-kpd. + config KEYBOARD_MTK_PMIC tristate "MediaTek PMIC keys support" depends on MFD_MT6397 diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile index 1d689fdd5c00..6c9d852c377e 100644 --- a/drivers/input/keyboard/Makefile +++ b/drivers/input/keyboard/Makefile @@ -43,6 +43,7 @@ obj-$(CONFIG_KEYBOARD_MATRIX) += matrix_keypad.o obj-$(CONFIG_KEYBOARD_MAX7359) += max7359_keypad.o obj-$(CONFIG_KEYBOARD_MCS) += mcs_touchkey.o obj-$(CONFIG_KEYBOARD_MPR121) += mpr121_touchkey.o +obj-$(CONFIG_KEYBOARD_MTK_KPD) += mtk-kpd.o obj-$(CONFIG_KEYBOARD_MTK_PMIC) += mtk-pmic-keys.o obj-$(CONFIG_KEYBOARD_NEWTON) += newtonkbd.o obj-$(CONFIG_KEYBOARD_NOMADIK) += nomadik-ske-keypad.o diff --git a/drivers/input/keyboard/mtk-kpd.c b/drivers/input/keyboard/mtk-kpd.c new file mode 100644 index 000000000000..2900487c8f60 --- /dev/null +++ b/drivers/input/keyboard/mtk-kpd.c @@ -0,0 +1,206 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2019 MediaTek Inc. + * Author Terry Chang + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#define MTK_KPD_NAME "mtk-kpd" +#define MTK_KPD_MEM 0x0004 +#define MTK_KPD_DEBOUNCE 0x0018 +#define MTK_KPD_DEBOUNCE_MASK GENMASK(13, 0) +#define MTK_KPD_DEBOUNCE_MAX_US 256000 +#define MTK_KPD_NUM_MEMS 5 +#define MTK_KPD_NUM_BITS 136 /* 4*32+8 MEM5 only use 8 BITS */ + +struct mtk_keypad { + struct regmap *regmap; + struct input_dev *input_dev; + struct clk *clk; + void __iomem *base; + u32 n_rows; + u32 n_cols; + DECLARE_BITMAP(keymap_state, MTK_KPD_NUM_BITS); +}; + +static const struct regmap_config keypad_regmap_cfg = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = sizeof(u32), + .max_register = 36, +}; + +static irqreturn_t kpd_irq_handler(int irq, void *dev_id) +{ + struct mtk_keypad *keypad = dev_id; + unsigned short *keycode = keypad->input_dev->keycode; + DECLARE_BITMAP(new_state, MTK_KPD_NUM_BITS); + DECLARE_BITMAP(change, MTK_KPD_NUM_BITS); + int bit_nr; + int pressed; + unsigned short code; + + regmap_raw_read(keypad->regmap, MTK_KPD_MEM, + new_state, MTK_KPD_NUM_MEMS); + + bitmap_xor(change, new_state, keypad->keymap_state, MTK_KPD_NUM_BITS); + + for_each_set_bit(bit_nr, change, MTK_KPD_NUM_BITS) { + /* 1: not pressed, 0: pressed */ + pressed = !test_bit(bit_nr, new_state); + dev_dbg(&keypad->input_dev->dev, "%s", + pressed ? "pressed" : "released"); + + /* 32bit register only use low 16bit as keypad mem register */ + code = keycode[bit_nr - 16 * (BITS_TO_U32(bit_nr) - 1)]; + + input_report_key(keypad->input_dev, code, pressed); + input_sync(keypad->input_dev); + + dev_dbg(&keypad->input_dev->dev, + "report Linux keycode = %d\n", code); + } + + bitmap_copy(keypad->keymap_state, new_state, MTK_KPD_NUM_BITS); + + return IRQ_HANDLED; +} + +static void kpd_clk_disable(void *data) +{ + clk_disable_unprepare(data); +} + +static int kpd_pdrv_probe(struct platform_device *pdev) +{ + struct mtk_keypad *keypad; + unsigned int irq; + u32 debounce; + bool wakeup; + int ret; + + keypad = devm_kzalloc(&pdev->dev, sizeof(*keypad), GFP_KERNEL); + if (!keypad) + return -ENOMEM; + + keypad->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(keypad->base)) + return PTR_ERR(keypad->base); + + keypad->regmap = devm_regmap_init_mmio(&pdev->dev, + keypad->base, + &keypad_regmap_cfg); + if (IS_ERR(keypad->regmap)) { + dev_err(&pdev->dev, + "regmap init failed:%ld\n", PTR_ERR(keypad->regmap)); + return PTR_ERR(keypad->regmap); + } + + bitmap_fill(keypad->keymap_state, MTK_KPD_NUM_BITS); + + keypad->input_dev = devm_input_allocate_device(&pdev->dev); + if (!keypad->input_dev) { + dev_err(&pdev->dev, "Failed to allocate input dev\n"); + return -ENOMEM; + } + + keypad->input_dev->name = MTK_KPD_NAME; + keypad->input_dev->id.bustype = BUS_HOST; + + ret = matrix_keypad_parse_properties(&pdev->dev, &keypad->n_rows, + &keypad->n_cols); + if (ret) { + dev_err(&pdev->dev, "Failed to parse keypad params\n"); + return ret; + } + + if (device_property_read_u32(&pdev->dev, "mediatek,debounce-us", + &debounce)) + debounce = 16000; + + if (debounce > MTK_KPD_DEBOUNCE_MAX_US) { + dev_err(&pdev->dev, "Debounce time exceeds the maximum allowed time %dus\n", + MTK_KPD_DEBOUNCE_MAX_US); + return -EINVAL; + } + + wakeup = device_property_read_bool(&pdev->dev, "wakeup-source"); + + dev_dbg(&pdev->dev, "n_row=%d n_col=%d debounce=%d\n", + keypad->n_rows, keypad->n_cols, debounce); + + ret = matrix_keypad_build_keymap(NULL, NULL, + keypad->n_rows, + keypad->n_cols, + NULL, + keypad->input_dev); + if (ret) { + dev_err(&pdev->dev, "Failed to build keymap\n"); + return ret; + } + + regmap_write(keypad->regmap, MTK_KPD_DEBOUNCE, + debounce * 32 / 1000 & MTK_KPD_DEBOUNCE_MASK); + + keypad->clk = devm_clk_get(&pdev->dev, "kpd"); + if (IS_ERR(keypad->clk)) + return keypad->clk; + + ret = clk_prepare_enable(keypad->clk); + if (ret) { + dev_err(&pdev->dev, "cannot prepare/enable keypad clock\n"); + return ret; + } + + ret = devm_add_action_or_reset(&pdev->dev, kpd_clk_disable, + keypad->clk); + if (ret) + return ret; + + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; + + ret = devm_request_threaded_irq(&pdev->dev, irq, + NULL, kpd_irq_handler, 0, + MTK_KPD_NAME, keypad); + if (ret) { + dev_err(&pdev->dev, "Failed to request IRQ#%d:%d\n", + irq, ret); + return ret; + } + + ret = input_register_device(keypad->input_dev); + if (ret) { + dev_err(&pdev->dev, "Failed to register device\n"); + return ret; + } + + return device_init_wakeup(&pdev->dev, wakeup); +} + +static const struct of_device_id kpd_of_match[] = { + { .compatible = "mediatek,mt6779-keypad" }, + { .compatible = "mediatek,mt6873-keypad" }, + { /* sentinel */ } +}; + +static struct platform_driver kpd_pdrv = { + .probe = kpd_pdrv_probe, + .driver = { + .name = MTK_KPD_NAME, + .of_match_table = kpd_of_match, + }, +}; +module_platform_driver(kpd_pdrv); + +MODULE_AUTHOR("Mediatek Corporation"); +MODULE_DESCRIPTION("MTK Keypad (KPD) Driver"); +MODULE_LICENSE("GPL"); From patchwork Thu May 28 08:41:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fengping Yu X-Patchwork-Id: 11575319 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 A54B190 for ; Thu, 28 May 2020 08:52:56 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 82F4C2088E for ; Thu, 28 May 2020 08:52:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="h/R9z/VV"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="O49okf06" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 82F4C2088E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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=Qsawhi5WAmavyIzyImd95fBGFUJKjMAe6rW6Diuctmc=; b=h/R9z/VVC1qrxb VEBKNUwA3pIAnLmrxvnQQRuzz7awwe/F3R41jWGqx5KczV/JwdwX2oAaoOPdf+PDdHv8rxksFW78S /eOsO9ZruddbIPjYqWZ6pToRgZaODgYhCxB6JYn90mjPXvqjwHFUbSDbyiawnbpYJm/Zqa0Rmukge nZtXnQQcJ7zHqEF9cBsNQEZCoBi5W7mRSF+Amqsn74b8Tv2ZJSMtm6sc7guMM9hIb88NZP6Cta7eN z+bvqvRXnHbHa+sk0PzcIvP1cRfhzBZ2Ieu/pYOuNAK4Gdk8fClQWnNO5tkJ1rzIsNwMwywsQZJzY 7deflmMXNNfDtAKRKQ+A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jeEHP-0003d0-4r; Thu, 28 May 2020 08:52:47 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jeEHK-0003bn-Uu; Thu, 28 May 2020 08:52:44 +0000 X-UUID: b4e5d9ca4df4423ebbf22d4186aeb25d-20200528 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=nnpcRKVMg+Ds8Jsd86q+Mu9psGr5IX3/2sTy8A93vwo=; b=O49okf06bWBTRcM4sd9L90ienSiYCGaBQwslMCaCg6BZtROOyYmzLZHvddpz1fm9oKGEOdV+i+OfCbO95syaQJ6rltDdqaxovS6R37kZzNO2b4NCXjwVbtyTLY0yAFbt0LyMmANLpXtxrL/4l/SazqDSMiee6ybTNptS2LVHn4M=; X-UUID: b4e5d9ca4df4423ebbf22d4186aeb25d-20200528 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1030644523; Thu, 28 May 2020 00:52:49 -0800 Received: from MTKMBS02N1.mediatek.inc (172.21.101.77) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 28 May 2020 01:42:36 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 28 May 2020 16:42:36 +0800 Received: from localhost.localdomain (10.15.43.140) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 28 May 2020 16:42:35 +0800 From: Fengping Yu To: Yingjoe Chen , Dmitry Torokhov , Andy Shevchenko , Marco Felsch Subject: [PATCH v10 3/3] configs: defconfig: Add CONFIG_KEYBOARD_MTK_KPD=m Date: Thu, 28 May 2020 16:41:46 +0800 Message-ID: <20200528084143.36482-4-fengping.yu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200528084143.36482-1-fengping.yu@mediatek.com> References: <20200528084143.36482-1-fengping.yu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200528_015243_001861_5E78A314 X-CRM114-Status: UNSURE ( 6.80 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -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 -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 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 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: "fengping.yu" , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: "fengping.yu" Add Mediatek matrix keypad support in defconfig. Signed-off-by: fengping.yu Reviewed-by: Marco Felsch --- arch/arm64/configs/defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 24e534d85045..112ced090b21 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -349,6 +349,7 @@ CONFIG_KEYBOARD_GPIO=y CONFIG_KEYBOARD_SNVS_PWRKEY=m CONFIG_KEYBOARD_IMX_SC_KEY=m CONFIG_KEYBOARD_CROS_EC=y +CONFIG_KEYBOARD_MTK_KPD=m CONFIG_INPUT_TOUCHSCREEN=y CONFIG_TOUCHSCREEN_ATMEL_MXT=m CONFIG_INPUT_MISC=y