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Wed, 27 Sep 2023 02:56:04 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778209927245597457 X-GMAIL-MSGID: 1778209927245597457 Adding CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS flag to modify the vbus_active parameter to active in case the ChipIdea USB IP role is device-only and there is no otgsc register. Signed-off-by: Tomer Maimon Acked-by: Peter Chen --- drivers/usb/chipidea/otg.c | 5 ++++- include/linux/usb/chipidea.h | 1 + 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c index f5490f2a5b6b..647e98f4e351 100644 --- a/drivers/usb/chipidea/otg.c +++ b/drivers/usb/chipidea/otg.c @@ -130,8 +130,11 @@ enum ci_role ci_otg_role(struct ci_hdrc *ci) void ci_handle_vbus_change(struct ci_hdrc *ci) { - if (!ci->is_otg) + if (!ci->is_otg) { + if (ci->platdata->flags & CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS) + usb_gadget_vbus_connect(&ci->gadget); return; + } if (hw_read_otgsc(ci, OTGSC_BSV) && !ci->vbus_active) usb_gadget_vbus_connect(&ci->gadget); diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h index 0b4f2d5faa08..5a7f96684ea2 100644 --- a/include/linux/usb/chipidea.h +++ b/include/linux/usb/chipidea.h @@ -64,6 +64,7 @@ struct ci_hdrc_platform_data { #define CI_HDRC_PMQOS BIT(15) #define CI_HDRC_PHY_VBUS_CONTROL BIT(16) #define CI_HDRC_HAS_PORTSC_PEC_MISSED BIT(17) +#define CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS BIT(18) enum usb_dr_mode dr_mode; #define CI_HDRC_CONTROLLER_RESET_EVENT 0 #define CI_HDRC_CONTROLLER_STOPPED_EVENT 1 From patchwork Wed Sep 27 09:55:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 145666 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:cae8:0:b0:403:3b70:6f57 with SMTP id r8csp3006141vqu; Wed, 27 Sep 2023 18:24:25 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEtd0wQLKdmivltAFekdRGvBWzUYZADgHyyyweCUU0RyJeIxyIFeaPRK8MlZc1gJbvsAgdE X-Received: by 2002:a17:90b:602:b0:277:1070:7490 with SMTP id gb2-20020a17090b060200b0027710707490mr3352146pjb.44.1695864264915; Wed, 27 Sep 2023 18:24:24 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1695864264; cv=pass; d=google.com; s=arc-20160816; b=Au5TjAdefOQxoY4/lpXIhLBIHsGrKQxpivEtIQFCr4QAh+5sx61XNdsnadTh8Cfr8U BAu/4b6u0AWFhvWZvjITSCYeyf+1xgbbu1MB1qqpSBgZM1/oOExKFdWzt5EKmze9MMPy JQZZJgLUc3X6KBjpBoqlBXJKIZO4j3gkm3MIjgJMNcNoMlgZLNeNBNZUy59RNzNoLn1z YnG2RdylvipWg9EP821MXxe2/gXMb+GrR3Ep8C4MmIYtXDiJMeWGD3JJoLN34OCo/CdF P+fp5SG8QkcK8S5yYj4pAIBz14WP7ZYavWbwoB8zFiaSUlQi6GQpwaW6eqFN1nwNb04+ esQQ== ARC-Message-Signature: i=2; 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=HhbXqOJR79u+/b1TOeqh2Q568aPZn+33VQAaeCzrrDc=; fh=S2Yd6ZWf4PE3UWmHWDKlbLbWMSMC5tewAeJBwAWxIdQ=; b=0CNmqNylD32Fe0IwR688MHMhfr8dWeJ3vhdPudJPoGXrM3i9txmbzRTTkAg/tYbBPq 5MZ1QKfCbARwMZU12duHjKPX5bj58BSTyr0ZvmbDDRiqyDXfjOxub5mhzrnzblU+x2AA efNuFz9D/G1gVXgy8x6JsObytkKkY4ATVBvBnO2Kh6/qSJYY/5JTCbkd87qI3B1AlG+h +/JzUXLMyyk19J+AW+uKAcTK/5S6fPPSpsFvN9ewOE+tH61QBfHELt3lWeao6irrNjVD fq6R6cYGKSkzZtxfddkyb3zmVq38OOe+lf+OFpiM7Aq1CZY9IOA1eA17lQ/+saFX+QUQ GEUQ== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@nuvoton.onmicrosoft.com header.s=selector2-nuvoton-onmicrosoft-com header.b=jpvxniJf; arc=pass (i=1 spf=pass spfdomain=nuvoton.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.37 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from snail.vger.email (snail.vger.email. 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Wed, 27 Sep 2023 02:55:36 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778242567415154829 X-GMAIL-MSGID: 1778242567415154829 Add a compatible string for Nuvoton BMC NPCM750 and Nuvoton BMC NPCM845. Signed-off-by: Tomer Maimon --- Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml index 1394557517b1..a9e173432002 100644 --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml @@ -16,6 +16,8 @@ properties: - enum: - chipidea,usb2 - lsi,zevio-usb + - nuvoton,npcm750-udc + - nuvoton,npcm845-udc - nvidia,tegra20-ehci - nvidia,tegra20-udc - nvidia,tegra30-ehci @@ -388,6 +390,8 @@ allOf: enum: - chipidea,usb2 - lsi,zevio-usb + - nuvoton,npcm750-udc + - nuvoton,npcm845-udc - nvidia,tegra20-udc - nvidia,tegra30-udc - nvidia,tegra114-udc From patchwork Wed Sep 27 09:55:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 145456 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:cae8:0:b0:403:3b70:6f57 with SMTP id r8csp2747607vqu; Wed, 27 Sep 2023 09:26:45 -0700 (PDT) X-Google-Smtp-Source: AGHT+IF4ON310tbKHjDYndVw3TEL8K6OJZ5XzOf6P9PL0XBo/G78CxabHq5Ql+Nzb01ZT/+17Kla X-Received: by 2002:a05:6e02:2166:b0:345:fbdc:bb78 with SMTP id s6-20020a056e02216600b00345fbdcbb78mr3052074ilv.29.1695832005196; Wed, 27 Sep 2023 09:26:45 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1695832005; cv=pass; d=google.com; s=arc-20160816; b=w6HFWKOWahFmcSPK3hauEP9X4MZndMkjhwRs80UacbjDL1fU6Zpw55/ui0GKddXz3m TQqe7pbU1Z7W5C+p41wnennAu+uu7IQ1Vg+pNwBcK3CXLV7/i2ZmNpiv5pmwwrEyEF5+ YuSbx8xWduOVAYYLJvidNQ0gYx3tAsSp7LsSnJdeqGqi+Zj6TUmUmwp0LtrIDqdHEd2s EWBQMGwAcMHhX/yZfl519MZcycqYx1W2aJvtWQuIYDnDxAfiNoG+gjKsrOaljGJ+Lihp Wl8m+qJBnBlnfPEj/lBsIJeX7qIFJIdsw1141hrlscZJO+MUeVycTXXa+vYdbZVebmOD qmow== ARC-Message-Signature: i=2; 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=fl1VxRhdRvz/y2QkA9nIu8cIMgWvkU4Lt6YJykCjsSw=; fh=S2Yd6ZWf4PE3UWmHWDKlbLbWMSMC5tewAeJBwAWxIdQ=; b=Me3KxWY6+ssiCjAlC9Er1HLV5jTCDMlpW5J5249YZqtK0tp9xw51PzZPkIevI/Uf0j z1WxOi2TarWeUnwLyQLkpWWyZ1wHSxENEciesBkTkEYsBlIVsU24kb4IPcsoB9kBY4b1 +I012H9qectuuxPoCfkD/JY6X7sfKY8al4fm6IJRhfMB1toUsnYtEOAHaxwvTt2tplkQ hgC+SQFzOe1dDnjGcxCyGaQo1InoBruIfF3wEJo+/m4GVlXCUuOAMMYM5kQENN0NfKbX +8nOtqZGbw77ImVLotqSpqrGZ6STJxzsLkrSPTidcfZoBzs+u3A5S2W70TbDW4ahFL3T VXow== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@nuvoton.onmicrosoft.com header.s=selector2-nuvoton-onmicrosoft-com header.b=fV0tOQ48; arc=pass (i=1 spf=pass spfdomain=nuvoton.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from howler.vger.email (howler.vger.email. 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Wed, 27 Sep 2023 02:56:04 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778208740795545929 X-GMAIL-MSGID: 1778208740795545929 Add Nuvoton NPCM BMC SoCs support to USB ChipIdea driver. NPCM SoC include ChipIdea IP block that used for USB device controller mode. Signed-off-by: Tomer Maimon Acked-by: Peter Chen --- drivers/usb/chipidea/Kconfig | 4 + drivers/usb/chipidea/Makefile | 1 + drivers/usb/chipidea/ci_hdrc_npcm.c | 117 ++++++++++++++++++++++++++++ 3 files changed, 122 insertions(+) create mode 100644 drivers/usb/chipidea/ci_hdrc_npcm.c diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig index c815824a0b2d..bab45bc62361 100644 --- a/drivers/usb/chipidea/Kconfig +++ b/drivers/usb/chipidea/Kconfig @@ -43,6 +43,10 @@ config USB_CHIPIDEA_MSM tristate "Enable MSM hsusb glue driver" if EXPERT default USB_CHIPIDEA +config USB_CHIPIDEA_NPCM + tristate "Enable NPCM hsusb glue driver" if EXPERT + default USB_CHIPIDEA + config USB_CHIPIDEA_IMX tristate "Enable i.MX USB glue driver" if EXPERT depends on OF diff --git a/drivers/usb/chipidea/Makefile b/drivers/usb/chipidea/Makefile index 71afeab97e83..718cb24603dd 100644 --- a/drivers/usb/chipidea/Makefile +++ b/drivers/usb/chipidea/Makefile @@ -13,6 +13,7 @@ ci_hdrc-$(CONFIG_USB_OTG_FSM) += otg_fsm.o obj-$(CONFIG_USB_CHIPIDEA_GENERIC) += ci_hdrc_usb2.o obj-$(CONFIG_USB_CHIPIDEA_MSM) += ci_hdrc_msm.o +obj-$(CONFIG_USB_CHIPIDEA_NPCM) += ci_hdrc_npcm.o obj-$(CONFIG_USB_CHIPIDEA_PCI) += ci_hdrc_pci.o obj-$(CONFIG_USB_CHIPIDEA_IMX) += usbmisc_imx.o ci_hdrc_imx.o obj-$(CONFIG_USB_CHIPIDEA_TEGRA) += ci_hdrc_tegra.o diff --git a/drivers/usb/chipidea/ci_hdrc_npcm.c b/drivers/usb/chipidea/ci_hdrc_npcm.c new file mode 100644 index 000000000000..4169855e7940 --- /dev/null +++ b/drivers/usb/chipidea/ci_hdrc_npcm.c @@ -0,0 +1,117 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2023 Nuvoton Technology corporation. + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "ci.h" + +struct npcm_udc_data { + struct platform_device *ci; + struct clk *core_clk; + struct ci_hdrc_platform_data pdata; +}; + +static int npcm_udc_notify_event(struct ci_hdrc *ci, unsigned event) +{ + struct device *dev = ci->dev->parent; + + switch (event) { + case CI_HDRC_CONTROLLER_RESET_EVENT: + /* clear all mode bits */ + hw_write(ci, OP_USBMODE, 0xffffffff, 0x0); + break; + default: + dev_dbg(dev, "unknown ci_hdrc event\n"); + break; + } + + return 0; +} + +static int npcm_udc_probe(struct platform_device *pdev) +{ + int ret; + struct npcm_udc_data *ci; + struct platform_device *plat_ci; + struct device *dev = &pdev->dev; + + ci = devm_kzalloc(&pdev->dev, sizeof(*ci), GFP_KERNEL); + if (!ci) + return -ENOMEM; + platform_set_drvdata(pdev, ci); + + ci->core_clk = devm_clk_get_optional(dev, NULL); + if (IS_ERR(ci->core_clk)) + return PTR_ERR(ci->core_clk); + + ret = clk_prepare_enable(ci->core_clk); + if (ret) { + dev_err(dev, "failed to enable the clock: %d\n", ret); + return ret; + } + + ci->pdata.name = dev_name(dev); + ci->pdata.capoffset = DEF_CAPOFFSET; + ci->pdata.flags = CI_HDRC_REQUIRES_ALIGNED_DMA | + CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS; + ci->pdata.phy_mode = USBPHY_INTERFACE_MODE_UTMI; + ci->pdata.notify_event = npcm_udc_notify_event; + + plat_ci = ci_hdrc_add_device(dev, pdev->resource, pdev->num_resources, + &ci->pdata); + if (IS_ERR(plat_ci)) { + ret = PTR_ERR(plat_ci); + dev_err(dev, "failed to register HDRC NPCM device: %d\n", ret); + goto clk_err; + } + + pm_runtime_no_callbacks(dev); + pm_runtime_enable(dev); + + return 0; + +clk_err: + clk_disable_unprepare(ci->core_clk); + return ret; +} + +static int npcm_udc_remove(struct platform_device *pdev) +{ + struct npcm_udc_data *ci = platform_get_drvdata(pdev); + + pm_runtime_disable(&pdev->dev); + ci_hdrc_remove_device(ci->ci); + clk_disable_unprepare(ci->core_clk); + + return 0; +} + +static const struct of_device_id npcm_udc_dt_match[] = { + { .compatible = "nuvoton,npcm750-udc", }, + { .compatible = "nuvoton,npcm845-udc", }, + { } +}; +MODULE_DEVICE_TABLE(of, npcm_udc_dt_match); + +static struct platform_driver npcm_udc_driver = { + .probe = npcm_udc_probe, + .remove = npcm_udc_remove, + .driver = { + .name = "npcm_udc", + .of_match_table = npcm_udc_dt_match, + }, +}; + +module_platform_driver(npcm_udc_driver); + +MODULE_DESCRIPTION("NPCM USB device controller driver"); +MODULE_AUTHOR("Tomer Maimon "); +MODULE_ALIAS("platform:npcm-udc"); +MODULE_LICENSE("GPL v2");