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[2620:137:e000::1:20]) by mx.google.com with ESMTP id x191-20020a6386c8000000b004def30299f5si21437713pgd.149.2023.02.02.05.43.06; Thu, 02 Feb 2023 05:43:18 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b="D/nQ4GR3"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232453AbjBBNid (ORCPT + 99 others); Thu, 2 Feb 2023 08:38:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229714AbjBBNia (ORCPT ); Thu, 2 Feb 2023 08:38:30 -0500 Received: from mail-wm1-x334.google.com (mail-wm1-x334.google.com [IPv6:2a00:1450:4864:20::334]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6CA1188F02 for ; Thu, 2 Feb 2023 05:38:29 -0800 (PST) Received: by mail-wm1-x334.google.com with SMTP id m16-20020a05600c3b1000b003dc4050c94aso1406692wms.4 for ; Thu, 02 Feb 2023 05:38:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=KlnEmmK+mxpU2hlLI+Gvfd0nScZypGzNM1BgswRGTnA=; b=D/nQ4GR3dSQbLqg6I6//g3oBsSG/b41aAlnM5Yufajj05bmK/+DsKRO+n9oumxgDRI G2RhKUVYG8EWkwk6AquEpFY7mo7ENGkqqn9/58rzLIrcphE9KFK8LotJnFGF98o5eG/j BBta75jGyHpzijTzIe80l9wsn1ehQxvKs3ekgQPdjzOv9zk7Amqm1mrZX6G4RnG7IA+1 mYyLuKLlxJ0VYsKRZtajgxpjwnm1tu/6nrev06GFZlHlRiA1Ae6MCpgK3AlpewhOHCJx mGgvHPsLmEUYGm5niLk2stCIBSRLnZAuKNPmbCSLOAbis4w56YgkUD/GSiZJWEyr9rOo 8vmA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=KlnEmmK+mxpU2hlLI+Gvfd0nScZypGzNM1BgswRGTnA=; b=HEy/V+j4hBlplcTfaDnPL3kxWJ4jNivTzG1gNx1NH0WHmO4/c0TAmp6LbhOCLWRlnN 28TEpm3lZ+jUfbUj3RPRqD9OWdLEHMyfNK/AOJBfEzMEwpaS0jz3bwa93w1Hrc2Fpttk 6iG4j09cSLJ9A4oL/vhxNdkD4+Kig3K0bKCj8y8MeFCmGkWtmtqTsDdPBXQu8s3WMQZ0 k2uZizZ9027Ap32Wz+wjztJ7o8WnMLED0ELoIm6piSY44tiW1Iv7poqte2s3QNsvZfJY Yp1uaZeNGufnealZEIFp324lrNn20P0HjXSE/6LJtMCjpV2SFrxdKFoLunR9Ddk790MB aAxQ== X-Gm-Message-State: AO0yUKVvQjQSoQgXb2sBx3PpkpaQRkFaHiHTL3sApKegwAiZum9m405l QWKcZqz0IRgIoBogYrC3XKHMbA== X-Received: by 2002:a7b:cc83:0:b0:3de:25f2:3aee with SMTP id p3-20020a7bcc83000000b003de25f23aeemr5981561wma.31.1675345107899; Thu, 02 Feb 2023 05:38:27 -0800 (PST) Received: from hackbox.lan ([94.52.112.99]) by smtp.gmail.com with ESMTPSA id y10-20020a05600c364a00b003daf7721bb3sm4672657wmq.12.2023.02.02.05.38.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Feb 2023 05:38:27 -0800 (PST) From: Abel Vesa To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Lee Jones , Rob Herring , Krzysztof Kozlowski , "vkoul@kernel.org" , Kishon Vijay Abraham I Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, Linux Kernel Mailing List , linux-phy@lists.infradead.org Subject: [RFC v3 1/7] dt-bindings: mfd: qcom,spmi-pmic: Add pattern property for phy Date: Thu, 2 Feb 2023 15:38:10 +0200 Message-Id: <20230202133816.4026990-2-abel.vesa@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230202133816.4026990-1-abel.vesa@linaro.org> References: <20230202133816.4026990-1-abel.vesa@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1756726976484574983?= X-GMAIL-MSGID: =?utf-8?q?1756726976484574983?= The phy pattern property will be used for providing eUSB2 repeater functionality. This will be modelled as a Qualcomm PHY driver. Signed-off-by: Abel Vesa --- Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml b/Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml index adf88245c409..1e6fadec1301 100644 --- a/Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml +++ b/Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml @@ -135,6 +135,10 @@ patternProperties: type: object $ref: /schemas/pinctrl/qcom,pmic-gpio.yaml# + "phy@[0-9a-f]+$": + type: object + $ref: /schemas/phy/qcom,snps-eusb2-repeater.yaml# + "pon@[0-9a-f]+$": type: object $ref: /schemas/power/reset/qcom,pon.yaml# From patchwork Thu Feb 2 13:38:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 51929 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp243801wrn; Thu, 2 Feb 2023 05:43:31 -0800 (PST) X-Google-Smtp-Source: AK7set9+G5nwadnWeYM0EnPXA7k7mBB7uxzrd5OuXRBDXonIKwb6Dzd7dAP8yDndavm1FC/U9tPX X-Received: by 2002:a17:906:3fc9:b0:88c:5a80:a7bb with SMTP id k9-20020a1709063fc900b0088c5a80a7bbmr6150115ejj.6.1675345411216; Thu, 02 Feb 2023 05:43:31 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1675345411; cv=none; d=google.com; s=arc-20160816; b=cb+MZKFe1Fa5fu2Knd0wwqgRt87qE3QFX4ZPVN49o8HvGX19cu+tia4A//Z7WuVt8Q /AcmRYs8QZALo5R59b0WcJSO6LhiDExri/G/4jt1X3hgeDBiji0TD+H8sUXgNTfqMk1H inre+MUzKHwgG2gkfS3gHnEGQ1ZP1MpRLmXWG9LVDTCeszpnUrwORbjuioPI0BBNi1j+ 5ZDkY2cJfvaM6+j4XJ/xLU47y0RB/N6TrkHofaoT32c488whY84qM8w6pIJao/QfWCiZ 13hAG/IYPcH4WAaAHpoUr3Wj6IbKcOzzCgr7Py4TSSBKg0ixKylwBYs1TzTya5EE6RcA kDig== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=9yxu9ED25jI4YsnaXumV3Ax7b6QC/J0yJHopprA5xIo=; b=gwNd/zB9RLjRNb8cdSYAiqlJqoj0mqMRsepjqMU+rkwIHNUfuzVOWAAU3rO4JR+hl1 Z7H1ceESCK8YmHT1ax7vzyG+CCBbFN9yymaal64od7wAwz2GLaTkBJHesXg9EPa1kUAf 7cCJnpWhsXcIGXB+Spoid8A9FOyGAYfgm0NUSAoRVcROjbKMviMhYgnmc/sB9SyUuvlc zoOjQpUh1PfnSLxytEZoGNXZxyqSX71oAQcMZRPu6ArWnE9NPrzcZ/479vKRSFYkGm52 e8MBwUR8n+7zvkZ+TagibUlJ+jfrnveNgEWBLdybrvOJmuQyRrEhw2jNyEyPqkSvP+41 ybWw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=w2eUQMvL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from out1.vger.email (out1.vger.email. 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Add a dt-binding schema for the new driver. Signed-off-by: Abel Vesa --- .../phy/qcom,snps-eusb2-repeater.yaml | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml diff --git a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml new file mode 100644 index 000000000000..3b99038be74e --- /dev/null +++ b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/qcom,snps-eusb2-repeater.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Synopsis eUSB2 to USB 2.0 repeater + +maintainers: + - Abel Vesa + +properties: + compatible: + const: qcom,pm8550b-eusb2-repeater + + reg: + maxItems: 1 + + "#phy-cells": + const: 0 + + vdd18-supply: true + + vdd3-supply: true + +required: + - compatible + - reg + - "#phy-cells" + +additionalProperties: false + +examples: + - | + #include + pm8550b: pmic@7 { + compatible = "qcom,pm8550", "qcom,spmi-pmic"; + reg = <0x7 SPMI_USID>; + #address-cells = <1>; + #size-cells = <0>; + + pm8550b_eusb2_repeater: phy@fd00 { + compatible = "qcom,pm8550b-eusb2-repeater"; + reg = <0xfd00>; + #phy-cells = <0>; + }; + }; +... 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Add the phys and phy-names properties. Signed-off-by: Abel Vesa --- .../devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml index de72577e34a4..8efb09b2dc5c 100644 --- a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml +++ b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml @@ -33,6 +33,15 @@ properties: resets: maxItems: 1 + phys: + maxItems: 1 + description: + Phandle to eUSB2 to USB 2.0 repeater + + phy-names: + items: + - const: eusb2-repeater + vdd-supply: description: Phandle to 0.88V regulator supply to PHY digital circuit. 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This can be modelled SW-wise as a Phy. So add a new phy driver for it. Signed-off-by: Abel Vesa --- drivers/phy/qualcomm/Kconfig | 9 + drivers/phy/qualcomm/Makefile | 1 + .../phy/qualcomm/phy-qcom-eusb2-repeater.c | 278 ++++++++++++++++++ 3 files changed, 288 insertions(+) create mode 100644 drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c diff --git a/drivers/phy/qualcomm/Kconfig b/drivers/phy/qualcomm/Kconfig index 27b5a2a3637d..a70631b04522 100644 --- a/drivers/phy/qualcomm/Kconfig +++ b/drivers/phy/qualcomm/Kconfig @@ -79,6 +79,15 @@ config PHY_QCOM_SNPS_EUSB2 chipsets. The PHY is paired with a Synopsys DWC3 USB controller on Qualcomm SOCs. +config PHY_QCOM_EUSB2_REPEATER + tristate "Qualcomm SNPS eUSB2 Repeater Driver" + depends on OF && (ARCH_QCOM || COMPILE_TEST) + select GENERIC_PHY + help + Enable support for the USB high-speed SNPS eUSB2 repeater on Qualcomm + PMICs. The repeater is paired with a Synopsys eUSB2 Phy + on Qualcomm SOCs. + config PHY_QCOM_USB_HS tristate "Qualcomm USB HS PHY module" depends on USB_ULPI_BUS diff --git a/drivers/phy/qualcomm/Makefile b/drivers/phy/qualcomm/Makefile index 3ee118f4dfc7..7dcba9537b69 100644 --- a/drivers/phy/qualcomm/Makefile +++ b/drivers/phy/qualcomm/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_PHY_QCOM_QMP) += \ obj-$(CONFIG_PHY_QCOM_QUSB2) += phy-qcom-qusb2.o obj-$(CONFIG_PHY_QCOM_SNPS_EUSB2) += phy-qcom-snps-eusb2.o +obj-$(CONFIG_PHY_QCOM_EUSB2_REPEATER) += phy-qcom-eusb2-repeater.o obj-$(CONFIG_PHY_QCOM_USB_HS) += phy-qcom-usb-hs.o obj-$(CONFIG_PHY_QCOM_USB_HSIC) += phy-qcom-usb-hsic.o obj-$(CONFIG_PHY_QCOM_USB_HS_28NM) += phy-qcom-usb-hs-28nm.o diff --git a/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c b/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c new file mode 100644 index 000000000000..f7f822f2973f --- /dev/null +++ b/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c @@ -0,0 +1,278 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2023, Linaro Limited + */ + +#include +#include +#include +#include +#include +#include +#include + +/* eUSB2 status registers */ +#define EUSB2_RPTR_STATUS 0x08 +#define RPTR_OK BIT(7) + +/* eUSB2 control registers */ +#define EUSB2_EN_CTL1 0x46 +#define EUSB2_RPTR_EN BIT(7) + +#define PHY_HOST_MODE BIT(0) +#define EUSB2_FORCE_EN_5 0xE8 +#define F_CLK_19P2M_EN BIT(6) +#define F_CLK_19P2M_EN_SHIFT 6 + +#define EUSB2_FORCE_VAL_5 0xED +#define V_CLK_19P2M_EN BIT(6) +#define V_CLK_19P2M_EN_SHIFT 6 + +#define EUSB2_TUNE_IUSB2 0x51 +#define EUSB2_TUNE_SQUELCH_U 0x54 +#define EUSB2_TUNE_USB2_PREEM 0x57 + +#define QCOM_EUSB2_REPEATER_INIT_CFG(o, v) \ + { \ + .offset = o, \ + .val = v, \ + } + +enum repeater_mode { + REPEATER_HOST_MODE, + REPEATER_PERIPH_MODE, +}; + +struct eusb2_repeater_init_tbl { + unsigned int offset; + unsigned int val; +}; + +struct eusb2_repeater_cfg { + const struct eusb2_repeater_init_tbl *init_tbl; + int init_tbl_num; + /* regulators to be requested */ + const char * const *vreg_list; + int num_vregs; +}; + +struct eusb2_repeater { + struct device *dev; + struct regmap *regmap; + struct phy *phy; + struct regulator_bulk_data *vregs; + const struct eusb2_repeater_cfg *cfg; + u16 base; + enum phy_mode mode; +}; + +static const char * const pm8550b_vreg_l[] = { + "vdd18", "vdd3", +}; + +static const struct eusb2_repeater_init_tbl pm8550b_init_tbl[] = { + QCOM_EUSB2_REPEATER_INIT_CFG(EUSB2_TUNE_IUSB2, 0x8), + QCOM_EUSB2_REPEATER_INIT_CFG(EUSB2_TUNE_SQUELCH_U, 0x3), + QCOM_EUSB2_REPEATER_INIT_CFG(EUSB2_TUNE_USB2_PREEM, 0x5), +}; + +static const struct eusb2_repeater_cfg pm8550b_eusb2_cfg = { + .init_tbl = pm8550b_init_tbl, + .init_tbl_num = ARRAY_SIZE(pm8550b_init_tbl), + .vreg_list = pm8550b_vreg_l, + .num_vregs = ARRAY_SIZE(pm8550b_vreg_l), +}; + +static int eusb2_repeater_init_vregs(struct eusb2_repeater *rptr) +{ + int num = rptr->cfg->num_vregs; + struct device *dev = rptr->dev; + int i; + + rptr->vregs = devm_kcalloc(dev, num, sizeof(*rptr->vregs), GFP_KERNEL); + if (!rptr->vregs) + return -ENOMEM; + + for (i = 0; i < num; i++) + rptr->vregs[i].supply = rptr->cfg->vreg_list[i]; + + return devm_regulator_bulk_get(dev, num, rptr->vregs); +} + +static int eusb2_repeater_init(struct phy *phy) +{ + struct eusb2_repeater *rptr = phy_get_drvdata(phy); + const struct eusb2_repeater_init_tbl *init_tbl = rptr->cfg->init_tbl; + int num = rptr->cfg->init_tbl_num; + int ret = 0; + u32 val; + int i; + + ret = regulator_bulk_enable(rptr->cfg->num_vregs, rptr->vregs); + if (ret) + return ret; + + regmap_update_bits(rptr->regmap, rptr->base + EUSB2_EN_CTL1, + EUSB2_RPTR_EN, EUSB2_RPTR_EN); + + for (i = 0; i < num; i++) + regmap_update_bits(rptr->regmap, + rptr->base + init_tbl[i].offset, + init_tbl[i].val, init_tbl[i].val); + + ret = regmap_read_poll_timeout(rptr->regmap, + rptr->base + EUSB2_RPTR_STATUS, val, + val & RPTR_OK, 10, 5); + if (ret) + dev_err(rptr->dev, "initialization timed-out\n"); + + return ret; +} + +static int eusb2_repeater_set_mode(struct phy *phy, + enum phy_mode mode, int submode) +{ + struct eusb2_repeater *rptr = phy_get_drvdata(phy); + + switch (mode) { + case PHY_MODE_USB_HOST: + /* + * CM.Lx is prohibited when repeater is already into Lx state as + * per eUSB 1.2 Spec. Below implement software workaround until + * PHY and controller is fixing seen observation. + */ + regmap_update_bits(rptr->regmap, rptr->base + EUSB2_FORCE_EN_5, + F_CLK_19P2M_EN, F_CLK_19P2M_EN); + regmap_update_bits(rptr->regmap, rptr->base + EUSB2_FORCE_VAL_5, + V_CLK_19P2M_EN, V_CLK_19P2M_EN); + break; + case PHY_MODE_USB_DEVICE: + /* + * In device mode clear host mode related workaround as there + * is no repeater reset available, and enable/disable of + * repeater doesn't clear previous value due to shared + * regulators (say host <-> device mode switch). + */ + regmap_update_bits(rptr->regmap, rptr->base + EUSB2_FORCE_EN_5, + F_CLK_19P2M_EN, 0); + regmap_update_bits(rptr->regmap, rptr->base + EUSB2_FORCE_VAL_5, + V_CLK_19P2M_EN, 0); + break; + default: + return -EINVAL; + } + + return 0; +} + +static int eusb2_repeater_exit(struct phy *phy) +{ + struct eusb2_repeater *rptr = phy_get_drvdata(phy); + + return regulator_bulk_disable(rptr->cfg->num_vregs, rptr->vregs); +} + + +static const struct phy_ops eusb2_repeater_ops = { + .init = eusb2_repeater_init, + .exit = eusb2_repeater_exit, + .set_mode = eusb2_repeater_set_mode, + .owner = THIS_MODULE, +}; + +static int eusb2_repeater_probe(struct platform_device *pdev) +{ + struct eusb2_repeater *rptr; + struct device *dev = &pdev->dev; + struct phy_provider *phy_provider; + struct device_node *np; + u32 res; + int ret; + + np = of_node_get(dev->of_node); + + rptr = devm_kzalloc(dev, sizeof(*rptr), GFP_KERNEL); + if (!rptr) + goto err_node_put; + + rptr->dev = dev; + dev_set_drvdata(dev, rptr); + + rptr->cfg = of_device_get_match_data(dev); + if (!rptr->cfg) + goto err_node_put; + + rptr->regmap = dev_get_regmap(dev->parent, NULL); + if (!rptr->regmap) + goto err_node_put; + + ret = of_property_read_u32(np, "reg", &res); + if (ret < 0) + goto err_node_put; + + rptr->base = res; + + ret = eusb2_repeater_init_vregs(rptr); + if (ret < 0) { + dev_err(dev, "unable to get supplies\n"); + goto err_node_put; + } + + rptr->phy = devm_phy_create(dev, np, &eusb2_repeater_ops); + if (IS_ERR(rptr->phy)) { + ret = PTR_ERR(rptr->phy); + dev_err(dev, "failed to create PHY: %d\n", ret); + goto err_node_put; + } + + phy_set_drvdata(rptr->phy, rptr); + + of_node_put(np); + + phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); + if (IS_ERR(phy_provider)) + return PTR_ERR(phy_provider); + + dev_info(dev, "Registered Qcom-eUSB2 repeater\n"); + + return 0; + +err_node_put: + of_node_put(np); + return ret; +} + +static int eusb2_repeater_remove(struct platform_device *pdev) +{ + struct eusb2_repeater *rptr = platform_get_drvdata(pdev); + + if (!rptr) + return 0; + + eusb2_repeater_exit(rptr->phy); + return 0; +} + + +static const struct of_device_id eusb2_repeater_of_match_table[] = { + { + .compatible = "qcom,pm8550b-eusb2-repeater", + .data = &pm8550b_eusb2_cfg, + }, + { }, +}; +MODULE_DEVICE_TABLE(of, eusb2_repeater_of_match_table); + +static struct platform_driver eusb2_repeater_driver = { + .probe = eusb2_repeater_probe, + .remove = eusb2_repeater_remove, + .driver = { + .name = "qcom-eusb2-repeater", + .of_match_table = eusb2_repeater_of_match_table, + }, +}; + +module_platform_driver(eusb2_repeater_driver); + +MODULE_DESCRIPTION("Qualcomm PMIC eUSB2 Repeater driver"); +MODULE_LICENSE("GPL v2"); From patchwork Thu Feb 2 13:38:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 51933 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp244627wrn; Thu, 2 Feb 2023 05:45:25 -0800 (PST) X-Google-Smtp-Source: AK7set+niFOcUDf7O0ozZihIHcqbIAfN6wODujRPKHC1ktlHPIlJkgEOygkioeYa8GeJKv/fnmUi X-Received: by 2002:a05:6402:22a3:b0:4a2:662a:841a with SMTP id cx3-20020a05640222a300b004a2662a841amr5975758edb.29.1675345525346; Thu, 02 Feb 2023 05:45:25 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1675345525; cv=none; d=google.com; s=arc-20160816; b=e9tkUTwKNXH12GIs1sLBoXvsP6SI59mzfMaq3Mns1W4pP8N//ztS67ddHI7siVrKYR bYOvXQrqzNh++izY2aRAhK6MRojzwiFQQ9XhYS2jPD6Mx1oSwz3vM6h6cFvwf8lhpE9y UsxVXJoot933kj12XxRJ0hFDzhiNuEiLBGNY8CcEVPUD7MRdmQ74Jgzx/V0WQK1F4NZ4 qqdpP199R2Z84IK1h0iVQNiGYYDOvUVSd0gEWQUKgS9TX2cnBuz7xd5eYg6iXN3Ig0F9 2hqWHCRSVu0HQmm4SaxVNo9xWWXCQT7ZZWLXAaPrfHupgCA8UCfSgOTBdcIq5gEihz8o 1h8g== ARC-Message-Signature: i=1; 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The PHY needs to initialize and reset it. So add repeater support Co-developed-by: Abel Vesa Signed-off-by: Abel Vesa Signed-off-by: Neil Armstrong --- drivers/phy/qualcomm/phy-qcom-snps-eusb2.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/drivers/phy/qualcomm/phy-qcom-snps-eusb2.c b/drivers/phy/qualcomm/phy-qcom-snps-eusb2.c index 23ec162cc3bd..8d972d49732b 100644 --- a/drivers/phy/qualcomm/phy-qcom-snps-eusb2.c +++ b/drivers/phy/qualcomm/phy-qcom-snps-eusb2.c @@ -128,6 +128,8 @@ struct qcom_snps_eusb2_hsphy { struct regulator_bulk_data vregs[EUSB2_NUM_VREGS]; enum phy_mode mode; + + struct phy *repeater; }; static int qcom_snps_eusb2_hsphy_set_mode(struct phy *p, enum phy_mode mode, int submode) @@ -136,7 +138,7 @@ static int qcom_snps_eusb2_hsphy_set_mode(struct phy *p, enum phy_mode mode, int phy->mode = mode; - return 0; + return phy_set_mode_ext(phy->repeater, mode, submode); } static void qcom_snps_eusb2_hsphy_write_mask(void __iomem *base, u32 offset, @@ -235,6 +237,12 @@ static int qcom_snps_eusb2_hsphy_init(struct phy *p) if (ret) return ret; + ret = phy_init(phy->repeater); + if (ret) { + dev_err(&p->dev, "repeater init failed. %d\n", ret); + goto disable_vreg; + } + ret = clk_prepare_enable(phy->ref_clk); if (ret) { dev_err(&p->dev, "failed to enable ref clock, %d\n", ret); @@ -342,6 +350,8 @@ static int qcom_snps_eusb2_hsphy_exit(struct phy *p) regulator_bulk_disable(ARRAY_SIZE(phy->vregs), phy->vregs); + phy_exit(phy->repeater); + return 0; } @@ -386,6 +396,12 @@ static int qcom_snps_eusb2_hsphy_probe(struct platform_device *pdev) if (ret) return dev_err_probe(dev, ret, "failed to get regulator supplies\n"); + + phy->repeater = devm_phy_get(dev, "eusb2-repeater"); + if (IS_ERR(phy->repeater)) + return dev_err_probe(dev, PTR_ERR(phy->repeater), + "failed to get repeater\n"); + generic_phy = devm_phy_create(dev, NULL, &qcom_snps_eusb2_hsphy_ops); if (IS_ERR(generic_phy)) { dev_err(dev, "failed to create phy %d\n", ret); From patchwork Thu Feb 2 13:38:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 51932 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp244512wrn; Thu, 2 Feb 2023 05:45:13 -0800 (PST) X-Google-Smtp-Source: AK7set9QMjPN69kMZeMPxifJ+9tbo5xxm0NHtp1QrtWXFAWEPI7cu82HXUDwoPLv0QEUbPKiLf/1 X-Received: by 2002:a17:907:2c44:b0:88a:a26d:1a81 with SMTP id hf4-20020a1709072c4400b0088aa26d1a81mr6150917ejc.75.1675345513045; Thu, 02 Feb 2023 05:45:13 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1675345513; cv=none; d=google.com; s=arc-20160816; b=RYeEe35m6FdmBFm/fQkrdZ0XWpiUshRpoRdJvMUPZlV1UH6ol4vlK2oyzA83EzaLiE AxyaUHGydBrWUtwFvTLxddzMZ0S1TJSKU3K24LoZWD/HEBP+VKvc8V41YRendY+Ya9Wu bPJNa2r7+k+RTT+jm79cdj5riM8Qo9fhL0Jl7jkLNf8xGvLj0gP/Qqqfg5nYVlsuhi0P uO/wUSS8FPa763yg3MRYlrEQVaerGaFNw5cjMRROAUn786f9l2+80DokIvD8BC9nwXP2 xZnYR02H4mdnJQPd3DcaDYeKiA6iYD8UEHnJZenQnC9aO0ROy3AYUxLz8vEWWob1Ovn2 dLbw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=RF2YyGY2PogpnFtO0lOlawE2OSglZRNn+XgKRaj3V+o=; b=S2eletXuow+XoWbOqr/joD51Ar2JTME5dQ38tmd6Bo4O3QYwPEbkfVUt+qyYPFYzC3 JeAX5ytDw1RNpRy2c6tkriYdNTfpw1qt/jtT9RGG6vN4ZwodliNNat38BNFo5qyBWHTI 3ovPFZsXBH8fuMKjShO6QuVGDHzpVPQhk48kzMNZAgz+cZvBcP2yabqYSs6Oq2g4ROs3 tqYE7EwlKKEuv3JiEDaRNrV1DcjAkoQ3fk0XsIdzvClMZauZ7slG7kV7nTvcipNzD3Gj 3Q3s/sR//DdRDbmRfnKjlDtMvyKAfMf2xYPCAKtfs4NJbueEvG/+6BDs/aKaPKSWH3LJ 32cg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b="B493GU/H"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from out1.vger.email (out1.vger.email. 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Signed-off-by: Neil Armstrong Signed-off-by: Abel Vesa --- arch/arm64/boot/dts/qcom/pm8550b.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/pm8550b.dtsi b/arch/arm64/boot/dts/qcom/pm8550b.dtsi index 16bcfb64d735..72609f31c890 100644 --- a/arch/arm64/boot/dts/qcom/pm8550b.dtsi +++ b/arch/arm64/boot/dts/qcom/pm8550b.dtsi @@ -55,5 +55,11 @@ pm8550b_gpios: gpio@8800 { interrupt-controller; #interrupt-cells = <2>; }; + + pm8550b_eusb2_repeater: phy@fd00 { + compatible = "qcom,pm8550b-eusb2-repeater"; + reg = <0xfd00>; + #phy-cells = <0>; + }; }; }; From patchwork Thu Feb 2 13:38:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 51934 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp244848wrn; Thu, 2 Feb 2023 05:45:54 -0800 (PST) X-Google-Smtp-Source: AK7set9S24eJdH9SeHjELjj72T8bK/OqECZc1Q3sjuI/F5tZtGqiTio/Aa7eRAplaWfSjnhrpxlF X-Received: by 2002:a17:907:1c27:b0:84c:e9c4:5751 with SMTP id nc39-20020a1709071c2700b0084ce9c45751mr7375493ejc.74.1675345554390; Thu, 02 Feb 2023 05:45:54 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1675345554; cv=none; d=google.com; s=arc-20160816; b=rONfEovCuQtEy0y67K06I1xry++SrwQYLJyaWQeM++KPj2761txWMaFAuBlZVfeDWI 9nSvKI6446xMA4fc2mC3groAb1L975I+H9HCwhU/9at2HELlnQjt5J5Khg1nphY2agH4 GFRKF+8qrHQxq50r9fv3vfGgzkZmW6PUvJ+KrG9UxEziH0DkNVWO+xY2DiRuZtmrgGuX qK5aZS8QeSMvf3Fdu25huIRsAiA5BrmZgz4oHHOH1hNjF/RoFx4gDUBK25h0QkAIbWjM D76RWLFB4TuXSnWeTUwyd4D71Pf1nxA1tRV1ZMPH8rCDsne99g9/qzrZbdVgGyYMiDU8 MU7w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=7KwClGhcR7TdVaebtx7GjNjFtUcNjguDWac1KgeKIdY=; b=RcBkhGobKbaweg4XFG31AI72T4idAyR1sO05DJiHGjECC7esFW0ZG6B66Itj/Myi6d AM/jtVh8R7lrzOJv5oKoYazAotgDbYMPbH3+OBuEzXoVzew+1NqvO8QJ5G2a5y3iMGnu Skc34GARqqymN2SxMIMvqih1JDj4BpUhvFNNmJZzcc0i/G2s9hcvilmu8VGiGyLTRKVQ eKvddhr4r1wPGh2C9ooMHC++egEPHexNaMTSGVknTquRDBk3eYp5x9FpzBK0UKAicrbx NesqDkbbX5AihGbbBtgvVHKgKdMsHkV0sTh3PlpX2Evtw3nmQ3Ui/TKzWLwgK6c4/4vf sMyw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=sirCRHdU; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from out1.vger.email (out1.vger.email. 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Signed-off-by: Abel Vesa --- arch/arm64/boot/dts/qcom/sm8550-mtp.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts index 03862132fe41..9aaddafa0088 100644 --- a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts +++ b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts @@ -456,6 +456,11 @@ sdc2_card_det_n: sdc2-card-det-state { }; }; +&pm8550b_eusb2_repeater { + vdd18-supply = <&vreg_l15b_1p8>; + vdd3-supply = <&vreg_l5b_3p1>; +}; + &qupv3_id_0 { status = "okay"; }; @@ -562,6 +567,9 @@ &usb_1_hsphy { vdd-supply = <&vreg_l1e_0p88>; vdda12-supply = <&vreg_l3e_1p2>; + phys = <&pm8550b_eusb2_repeater>; + phy-names = "eusb2-repeater"; + status = "okay"; };