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[2620:137:e000::1:20]) by mx.google.com with ESMTP id z4-20020a170902ccc400b001960965fde4si1739177ple.271.2023.01.26.06.16.06; Thu, 26 Jan 2023 06:16:24 -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=tVjYD9WT; 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 S231929AbjAZOA0 (ORCPT + 99 others); Thu, 26 Jan 2023 09:00:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54054 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231491AbjAZN7k (ORCPT ); Thu, 26 Jan 2023 08:59:40 -0500 Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9514E6FD06 for ; Thu, 26 Jan 2023 05:59:18 -0800 (PST) Received: by mail-wr1-x430.google.com with SMTP id h16so1831546wrz.12 for ; Thu, 26 Jan 2023 05:59:18 -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=9yxu9ED25jI4YsnaXumV3Ax7b6QC/J0yJHopprA5xIo=; b=tVjYD9WT4Va5NNtVX6RP6snlZAIg/T/dWyfEhIobdh59a76Za3x00mWJlt5izQ59aL 4Us4qHv+WQfqOA/hSrtIZOtea6eBCPM+qE1xSXjwGW0dJqNZcS85er8RKJ5o9GphJATE Az/dfucI8PmLzih7dG41iGvFwrDDVKg/O7RY7gyStHd0VmHmE0bn9hMdhTot4PpvFBP+ Bkb6Cq8jwadM1USTHeI5tC8XzaZWGM+4NTwR7pXXB3+MT6CwJNK4jbjgx6exnXG/q5hR L6UIcsz8kchWk0InEm94v72DzMuMwSoB3vxekx1FvB1aBnd4hLryUQ1B86SRGGwabKmW VP7w== 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=9yxu9ED25jI4YsnaXumV3Ax7b6QC/J0yJHopprA5xIo=; b=ORXj5uUqms5oqN/nkPW5rnib44PtfQy7cxib539762gt3ohoehtKZHOPPnCF7iS5vo DLtzgJqm8vKuU63rZBpO8eRXv2IKKcPxznh/0yZMBg6uQuNolB3vIdOu0F4DWHYBmrTV B2+y/YhH+XYHh33k0j8Y7UAM9385Pe/MkzLgG56P531pBeT6Vg5eGDD43oqHe0IA04Xh SGmV87dglyViPLwmfw6lzL5hIhTXixGpZVw9M/oOqjHuwY6t5qNi4odQOSpwo+rXP6Gn MacDhN/1ahReVpORVpbYuFCCQ7w8bkvZ4srcqPsRduNHfAdw4nyvjvyMiBwX9vlTpE3e cI+g== X-Gm-Message-State: AFqh2kqu/41sieLfDaLnRwkeTsJLddyBpJUN21fCiMt5XmoHJuwpmQx8 mYzuf90iVjRw03Y0p48BeUAnDQ== X-Received: by 2002:a05:6000:3c9:b0:2bc:7f32:e6ae with SMTP id b9-20020a05600003c900b002bc7f32e6aemr30290460wrg.64.1674741555300; Thu, 26 Jan 2023 05:59:15 -0800 (PST) Received: from hackbox.lan ([94.52.112.99]) by smtp.gmail.com with ESMTPSA id l15-20020a5d6d8f000000b002bfb37497a8sm1594067wrs.31.2023.01.26.05.59.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Jan 2023 05:59:14 -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 v2 1/7] dt-bindings: phy: Add qcom,snps-eusb2-repeater schema file Date: Thu, 26 Jan 2023 15:59:03 +0200 Message-Id: <20230126135909.1624890-2-abel.vesa@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230126135909.1624890-1-abel.vesa@linaro.org> References: <20230126135909.1624890-1-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=unavailable 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?1756094879592609163?= X-GMAIL-MSGID: =?utf-8?q?1756094879592609163?= The SM8550 SoC uses Synopsis eUSB2 repeater found in PM8550b. 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 49a5dad486c2..3279ed0fd44f 100644 --- a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml +++ b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml @@ -36,6 +36,15 @@ properties: description: Phandle to reset to phy block. + 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 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 Jan 26 13:59:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 48685 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp291788wrn; Thu, 26 Jan 2023 06:14:51 -0800 (PST) X-Google-Smtp-Source: AK7set9GMNi1+qYgTdjn/Y0RVmkmBWLS/2JLna6jJX/AFt3Pz7JjgxjWsHEj9weTqWGBoL6fLxx9 X-Received: by 2002:aa7:981b:0:b0:590:9c4a:70d3 with SMTP id e27-20020aa7981b000000b005909c4a70d3mr2998173pfl.30.1674742490952; Thu, 26 Jan 2023 06:14:50 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1674742490; cv=none; d=google.com; s=arc-20160816; b=uBMhY+Qzlxb/T8GGsLcTNFEnFPMLsLmWEeojvzkZD/z12aT7EwPgaQ+ep/u7Um15tp Qrxjt36+gLwJQOXYOqXiJ/WcXkh47IPRKybwhJhYIUeT3cVtEkyktvr9tSx0fdh6AwSX 4rG2kN3zBXBs+5MWaTfx5V6B/zpwe3teM7ap93xYHXdlZpVTaH572YTAvJFBC21H0ymT srDuaA+vj+mlZEB/WleKxV052VKveQgL2Vkl5AtBpYOOj5loa9Ta7oCoUJacemoKcvJ9 ut2Gq9ezFl4rq33j/pD0CK7R6TpNSZh5E0SEGsAHC1dZtyjCBC+Y6r0LhxSSWfTcNJdY zdaw== 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=dYq4wMK5S1ToRqdSUp6ntH/ifz+iAM/Bt7zCv5RvtcM=; b=v3H0tde6mswge2ktMO9fozLq7REJ+4/lbwLTrwPoVhgoQ+dxiry97xasqto1rNV6RI Y6iT12Ts5j3h23BWp7Gy2utdN3nycm7Qa9UaQGrMo1UEM1BlVMA+v+W1UrXNRJuGVjnn WsLKTrzV58Kf0cq2L1dy8sJPSl8I5I//L6pBbJWGDtCpVT6kdloUuJZsXPLWiT0NwyuZ G0k6psEvm9B5fLaXH9tpuNJcIWwA6x3pqIyCtMojtNe3bNrgEdWe8gu1VEW46TY4Lndj kwKoUAQrVFCXNn/J/ZDcGOtTIBYZTDHw92q/xjd5NB5DJNTcHuBAuYjd1LVPd8W3Rhe8 Yq7w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=Fxn+ccgQ; 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. [2620:137:e000::1:20]) by mx.google.com with ESMTP id r1-20020aa79881000000b0058e13e0515bsi1303008pfl.149.2023.01.26.06.14.21; Thu, 26 Jan 2023 06:14:50 -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=Fxn+ccgQ; 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 S231690AbjAZOAT (ORCPT + 99 others); Thu, 26 Jan 2023 09:00:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231776AbjAZN7s (ORCPT ); Thu, 26 Jan 2023 08:59:48 -0500 Received: from mail-wr1-x435.google.com (mail-wr1-x435.google.com [IPv6:2a00:1450:4864:20::435]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A0E5256ED2 for ; Thu, 26 Jan 2023 05:59:25 -0800 (PST) Received: by mail-wr1-x435.google.com with SMTP id r2so1852040wrv.7 for ; Thu, 26 Jan 2023 05:59:25 -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=dYq4wMK5S1ToRqdSUp6ntH/ifz+iAM/Bt7zCv5RvtcM=; b=Fxn+ccgQ4O9LfR2B3l48Nq/sIWemubk7E1MLijX2Jv/m6uN37ZpbI9pffojoaHL6q+ Zp/nbnKLr2dbATJSVWFs0BY4TWthCJxXNfrAxX5JyECES2L1XzT+RUHm+zVRh4iyMu4m xc2EY749vIisBfuUBti0To82HKc6Iod4dVE8WbSD1zpc2iVhpkRu66LJq6InboWzcsOs MEfm9xbsAsj9ZLxeG4eER2bS1YYWiNjMZtaRujmZIDU3F8tBrXbOWsgd1dKQBuYTbNaJ Ql17vUKOTIcvodfVijLDVKs1rylcSBcfG9xwSNyKS4N3lXyS25Ut18ixlZinDqnkIwRV 8flg== 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=dYq4wMK5S1ToRqdSUp6ntH/ifz+iAM/Bt7zCv5RvtcM=; b=yWDHjsL/jNLQANu+k09N+/dhqxQGQYeDqHpRxTq6YZPGIJc2EMTHfLL8ft7NrhjMwS 2OcKe/tJoQFcTUFnBtFYNYnkCZKvJKKROaw2cfBCNDrF0+YLNlTnUwxTAIf63qcVsubZ /XOmjaIsI0HB7p+hU//dMb05PczgnUHiMQ9iZl3YKjuAu/Cy6EGN9eAYj2B2OiJaJsd4 BzQ8zlbAGKpL71LKmH/jzJmQbruTS6r0ph8KLBHlcyVVRGSSfNBrJLX/5zLFgwNZlUJk T4UzlZ1Y3Fdq9nejgFHbKywryI+M3msx4QAzJ42BIOq9IieoHcD6sEcZ0cveHTey32f5 rhcg== X-Gm-Message-State: AO0yUKWkdg12cf4rInlRf6EkmzwxCAu/mQaeIuQQlHyrOe0nBtrX99uy 5cjGiltpSSbvLGo+zoD0WkJ43+ThiCJjQkyq X-Received: by 2002:a5d:4b8a:0:b0:2bf:af4a:281f with SMTP id b10-20020a5d4b8a000000b002bfaf4a281fmr8825214wrt.18.1674741559070; Thu, 26 Jan 2023 05:59:19 -0800 (PST) Received: from hackbox.lan ([94.52.112.99]) by smtp.gmail.com with ESMTPSA id l15-20020a5d6d8f000000b002bfb37497a8sm1594067wrs.31.2023.01.26.05.59.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Jan 2023 05:59:18 -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 v2 4/7] phy: qcom: Add QCOM SNPS eUSB2 repeater driver Date: Thu, 26 Jan 2023 15:59:06 +0200 Message-Id: <20230126135909.1624890-5-abel.vesa@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230126135909.1624890-1-abel.vesa@linaro.org> References: <20230126135909.1624890-1-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?1756094782364122618?= X-GMAIL-MSGID: =?utf-8?q?1756094782364122618?= PM8550B contains a eUSB2 repeater used for making the eUSB2 from SM8550 USB 2.0 compliant. 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 Jan 26 13:59:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 48688 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp292374wrn; Thu, 26 Jan 2023 06:15:46 -0800 (PST) X-Google-Smtp-Source: AMrXdXtG47G2vaZwDPYE/nDJT3H7oFGDOsvHyuUlIjkkKSyRjeIHaQl4YTClRoBYc6SEyRMX/d+Z X-Received: by 2002:a05:6a20:671a:b0:b8:5916:c720 with SMTP id q26-20020a056a20671a00b000b85916c720mr38350313pzh.45.1674742546485; Thu, 26 Jan 2023 06:15:46 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1674742546; cv=none; d=google.com; s=arc-20160816; b=UgU2mai82dHrMKHbEYRp1Jyd2CMef/WG3IvQww10rnCe6cq59aLgO8Jq4gICTlGPZD nJ2A3raTTzd6xE7gj1XvjT9kjejamw1ubQ5nL9t9SL63YeDxVOEAywWROhUTmmdjtrFj bBUHCTnguZVKQrCItvr4DX5VQODCDE6nR8lwAdBHPAcQfPopsmFwYxnAottg8cxlaBuq w+f0i0CaWGQDcYCZ+ImTnXmWuau10Zc/wZWk0NWwtCfLSl4KNh8QnqjxBwRQQGrG0Mpf htQkcdyYl8qdGxWQHEnE5fBJRJnEbUvFQaYNcBxdJFL7FCrjri6VaPAQqbxGY9V4JEad MEXA== 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 | 17 ++++++++++++++++- 1 file changed, 16 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..dd53880d5b0e 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 +237,11 @@ 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 +349,8 @@ 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 +395,12 @@ 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 Jan 26 13:59:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 48689 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp292632wrn; Thu, 26 Jan 2023 06:16:13 -0800 (PST) X-Google-Smtp-Source: AK7set83IFuIXszb3msxhD9fH9lGg6ylnVJyEZ7QALVk/di3TxGtItVfK54LcCsfyb6ASDKY9PHi X-Received: by 2002:a17:90b:1b4a:b0:22b:f93b:b5ae with SMTP id nv10-20020a17090b1b4a00b0022bf93bb5aemr8818660pjb.46.1674742572835; Thu, 26 Jan 2023 06:16:12 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1674742572; cv=none; d=google.com; s=arc-20160816; b=F0K885S4PXfYvMCBf7HC5DrjI/4b1z1GCL0bZxJAlSFu7nq3yeAYqzRcmM4f8hHSNE 08kbRSN2jj5fCHf5SF+bvfFldc7OT62zrvTtxM1TuieqHFM/huuUOL2Ewuk2iU98QNSK HDg5+2Fuc/S/NhYK8RBnWJqFhkyjRMqI/Zlx2j/BELUJM7iWg8dkVtnNIDplKBu8J/G4 9MUobKFvYTcLghx3MNa8r64zIJuwPdXh1U+7XeD6IZy+0Ee7G1Ua4WCS1Bw3s+V1s4l3 psFK8hzIAw2lvcSH//kQjB+m0nV32w1z0LEtWfoxlCRGGl00L0UCUvcSUvo+YdLn4bxG /nYg== 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=OA/8KKnUGnxTT5vfRDiCMOcq0ihRx40OUQMNNw88Z6XtfVP2K7JwfBoQPiP4zRu+7a nYo+2281YqlZYtY9XMWmi8/9kaeeM3BMhSO9cyFX64rzIOOyISrRXS+xZMW1ZEk9T4Vl D/fBYy9VEV5MwxbOZje630NT3DBEmeqSmRu982Gws+cN/zIANzbV/kQyUqhyQnmBi3fI XQpshCPs4m3w6IhGfWgvT9NenEhC6LidVKkxXP7GBsF3v+c9wkX4KDBz9VYe5KFMIuMk n3n8CLkvkgYjZZFkGHG1jWvQ7828E3ZR1KAl5oyjA0FvKVmqVva9rAXP2rJmWQ9rgWTG WiAw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=uiBLnAVw; 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 Jan 26 13:59:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 48686 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp291998wrn; Thu, 26 Jan 2023 06:15:13 -0800 (PST) X-Google-Smtp-Source: AK7set+T2DqMzPY4dH6rEdKbZFOEacu1mX+ijc6PS/WH1uueP9YvLaG4Yrs5omlsYq+nXAvZJWJv X-Received: by 2002:a17:90a:e7c2:b0:22c:1b3:b72b with SMTP id kb2-20020a17090ae7c200b0022c01b3b72bmr7533360pjb.14.1674742512730; Thu, 26 Jan 2023 06:15:12 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1674742512; cv=none; d=google.com; s=arc-20160816; b=ChCEg5FPKr6iccJn9BanOh6UOIw3ez9by24d2kgv3x6IXyQjSLuCQhviWAuq04M6/9 wO4b2U33p6qhBBNGPOwxtoc2WIAjDuVIVOE+GJlZlfSdglEO8WG6LYbcSJTUCo4WDfmP DZM52/FL+zngWXHZwYPFO7XSGCojuEMi0KIO2uylk5Yt6S87zyv6TkSdqXL8KmtxWAtq F6hY7bbpGrijpknSK2Vf1HaLYvTEY0dA0f7N4SVr/Ioe3dRpKx4EoJIfh8+czAuz/oFj leQ3uYtXgNjh91drW3XFvpQYEVpnz1yfotWL0NOYTP3omq1I5KA/yUDGbiWV9LRAn5ht 9UhA== 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=D8JLqJWePTj56J9GBoMOuJUgVePsSS0WQ6fKq9gZxJI=; b=UwlYFnnHxaE2AG1SBuVLjUVswL5Z2Ymy+0OQrCW+1I7ShwgMcVrKU0IXFzepRONBtl FYVoXUoZHVMW7btbmLh3ukyDywWiyMreypBsOxLGCfrS9G/+ThZQMHWIjCHroVuTNW2R 4tzIT5qdMY8u3RnlexF2aEyDc8HFWGutB6ZVlC/i2GvrYBYOyyV9izRjClxt71oE1KPd cKOUc9KEK7vsAXJqqEWKelxS0ecOU63MLEO6UcOEr9AcWMatioeiJM+IPLNCOttwLod+ qBgsIdq3/WyT+PYBZcYAKeppeIwQwXWYAOzLtXu7eCoFbDKZtfaDNJ0E9Kh6liRaolaj A/mg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=lZ8+rnpT; 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 cea1f12ce294..bdfed6da1b00 100644 --- a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts +++ b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts @@ -407,6 +407,11 @@ 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"; }; @@ -467,6 +472,9 @@ &usb_1_hsphy { vdd-supply = <&vreg_l1e_0p88>; vdda12-supply = <&vreg_l3e_1p2>; + phys = <&pm8550b_eusb2_repeater>; + phy-names = "eusb2-repeater"; + status = "okay"; };