From patchwork Wed May 5 16:39:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 12240677 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CC4A8C43460 for ; Wed, 5 May 2021 17:27:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9AF486105A for ; Wed, 5 May 2021 17:27:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236299AbhEER2A (ORCPT ); Wed, 5 May 2021 13:28:00 -0400 Received: from [115.28.160.31] ([115.28.160.31]:46720 "EHLO mailbox.box.xen0n.name" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S236039AbhEERCl (ORCPT ); Wed, 5 May 2021 13:02:41 -0400 Received: from ld50.lan (unknown [101.224.80.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by mailbox.box.xen0n.name (Postfix) with ESMTPSA id 7E68C6356E; Thu, 6 May 2021 00:39:34 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1620232774; bh=1NYByl+Dhxl/bduxmqzQmRfRtqhBLiKWA+v4zwzfzAk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AaPt4TX2MM218xtimbE5PzmLGKEIKhDIkd754rosAGFqsnz81QaU/Xhr/taT/CasU pBzGQPw0Pi/OlVSf/5A316zpUsy32aQPIuRpTEbPS6I9CsIJ3oZm/8piB+bJwjstY6 dF/d7M+gIT1+/KpWu5iiPOz9M8kxXraujj8n8dIo= From: WANG Xuerui To: linux-rtc@vger.kernel.org Cc: WANG Xuerui , linux-mips@vger.kernel.org, devicetree@vger.kernel.org, Huacai Chen , Tiezhu Yang Subject: [PATCH v2 1/6] rtc: ls2x: Add support for the Loongson-2K/LS7A RTC Date: Thu, 6 May 2021 00:39:00 +0800 Message-Id: <20210505163905.1199923-2-git@xen0n.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210505163905.1199923-1-git@xen0n.name> References: <20210505163905.1199923-1-git@xen0n.name> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org This RTC module is integrated into the Loongson-2K SoC and the LS7A bridge chip. This version is almost entirely rewritten to make use of current kernel API. Signed-off-by: Huacai Chen Signed-off-by: WANG Xuerui Tested-by: Tiezhu Yang Reported-by: kernel test robot Reported-by: kernel test robot --- drivers/rtc/Kconfig | 11 ++ drivers/rtc/Makefile | 1 + drivers/rtc/rtc-ls2x.c | 225 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 237 insertions(+) create mode 100644 drivers/rtc/rtc-ls2x.c diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index d8c13fded164..55beede68829 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -1304,6 +1304,17 @@ config RTC_DRV_NTXEC embedded controller found in certain e-book readers designed by the original design manufacturer Netronix. +config RTC_DRV_LS2X + tristate "Loongson LS2X RTC" + depends on MACH_LOONGSON64 || COMPILE_TEST + select REGMAP_MMIO + help + If you say yes here you get support for the RTC on the Loongson-2K + SoC and LS7A bridge, which first appeared on the Loongson-2H. + + This driver can also be built as a module. If so, the module + will be called rtc-ls2x. + comment "on-CPU RTC drivers" config RTC_DRV_ASM9260 diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 2dd0dd956b0e..6042ff1e73b7 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -81,6 +81,7 @@ obj-$(CONFIG_RTC_DRV_LOONGSON1) += rtc-ls1x.o obj-$(CONFIG_RTC_DRV_LP8788) += rtc-lp8788.o obj-$(CONFIG_RTC_DRV_LPC24XX) += rtc-lpc24xx.o obj-$(CONFIG_RTC_DRV_LPC32XX) += rtc-lpc32xx.o +obj-$(CONFIG_RTC_DRV_LS2X) += rtc-ls2x.o obj-$(CONFIG_RTC_DRV_M41T80) += rtc-m41t80.o obj-$(CONFIG_RTC_DRV_M41T93) += rtc-m41t93.o obj-$(CONFIG_RTC_DRV_M41T94) += rtc-m41t94.o diff --git a/drivers/rtc/rtc-ls2x.c b/drivers/rtc/rtc-ls2x.c new file mode 100644 index 000000000000..8eddb0316b3b --- /dev/null +++ b/drivers/rtc/rtc-ls2x.c @@ -0,0 +1,225 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Loongson-2K/7A RTC driver + * + * Based on the out-of-tree Loongson-2H RTC driver for Linux 2.6.32, by + * Shaozong Liu . + * + * Maintained out-of-tree by Huacai Chen . + * + * Rewritten for mainline by WANG Xuerui . + */ + +#include +#include +#include +#include +#include + +#define TOY_TRIM_REG 0x20 +#define TOY_WRITE0_REG 0x24 +#define TOY_WRITE1_REG 0x28 +#define TOY_READ0_REG 0x2c +#define TOY_READ1_REG 0x30 +#define TOY_MATCH0_REG 0x34 +#define TOY_MATCH1_REG 0x38 +#define TOY_MATCH2_REG 0x3c +#define RTC_CTRL_REG 0x40 +#define RTC_TRIM_REG 0x60 +#define RTC_WRITE0_REG 0x64 +#define RTC_READ0_REG 0x68 +#define RTC_MATCH0_REG 0x6c +#define RTC_MATCH1_REG 0x70 +#define RTC_MATCH2_REG 0x74 + +#define TOY_MON GENMASK(31, 26) +#define TOY_MON_SHIFT 26 +#define TOY_DAY GENMASK(25, 21) +#define TOY_DAY_SHIFT 21 +#define TOY_HOUR GENMASK(20, 16) +#define TOY_HOUR_SHIFT 16 +#define TOY_MIN GENMASK(15, 10) +#define TOY_MIN_SHIFT 10 +#define TOY_SEC GENMASK(9, 4) +#define TOY_SEC_SHIFT 4 +#define TOY_MSEC GENMASK(3, 0) +#define TOY_MSEC_SHIFT 0 + +struct ls2x_rtc_priv { + struct regmap *regmap; + spinlock_t lock; +}; + +static const struct regmap_config ls2x_rtc_regmap_config = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, +}; + +struct ls2x_rtc_regs { + u32 reg0; + u32 reg1; +}; + +static inline void ls2x_rtc_regs_to_time(struct ls2x_rtc_regs *regs, + struct rtc_time *tm) +{ + tm->tm_year = regs->reg1; + tm->tm_sec = (regs->reg0 & TOY_SEC) >> TOY_SEC_SHIFT; + tm->tm_min = (regs->reg0 & TOY_MIN) >> TOY_MIN_SHIFT; + tm->tm_hour = (regs->reg0 & TOY_HOUR) >> TOY_HOUR_SHIFT; + tm->tm_mday = (regs->reg0 & TOY_DAY) >> TOY_DAY_SHIFT; + tm->tm_mon = ((regs->reg0 & TOY_MON) >> TOY_MON_SHIFT) - 1; +} + +static inline void ls2x_rtc_time_to_regs(struct rtc_time *tm, + struct ls2x_rtc_regs *regs) +{ + regs->reg0 = (tm->tm_sec << TOY_SEC_SHIFT) & TOY_SEC; + regs->reg0 |= (tm->tm_min << TOY_MIN_SHIFT) & TOY_MIN; + regs->reg0 |= (tm->tm_hour << TOY_HOUR_SHIFT) & TOY_HOUR; + regs->reg0 |= (tm->tm_mday << TOY_DAY_SHIFT) & TOY_DAY; + regs->reg0 |= ((tm->tm_mon + 1) << TOY_MON_SHIFT) & TOY_MON; + regs->reg1 = tm->tm_year; +} + +static int ls2x_rtc_read_time(struct device *dev, struct rtc_time *tm) +{ + struct ls2x_rtc_priv *priv = dev_get_drvdata(dev); + struct ls2x_rtc_regs regs; + int ret; + + spin_lock_irq(&priv->lock); + + ret = regmap_read(priv->regmap, TOY_READ1_REG, ®s.reg1); + if (unlikely(ret)) { + dev_err(dev, "Failed to read time: %d\n", ret); + goto fail; + } + + ret = regmap_read(priv->regmap, TOY_READ0_REG, ®s.reg0); + if (unlikely(ret)) { + dev_err(dev, "Failed to read time: %d\n", ret); + goto fail; + } + + spin_unlock_irq(&priv->lock); + + ls2x_rtc_regs_to_time(®s, tm); + + return 0; + +fail: + spin_unlock_irq(&priv->lock); + return ret; +} + +static int ls2x_rtc_set_time(struct device *dev, struct rtc_time *tm) +{ + struct ls2x_rtc_priv *priv = dev_get_drvdata(dev); + struct ls2x_rtc_regs regs; + int ret; + + ls2x_rtc_time_to_regs(tm, ®s); + + spin_lock_irq(&priv->lock); + + ret = regmap_write(priv->regmap, TOY_WRITE0_REG, regs.reg0); + if (unlikely(ret)) { + dev_err(dev, "Failed to set time: %d\n", ret); + goto fail; + } + + ret = regmap_write(priv->regmap, TOY_WRITE1_REG, regs.reg1); + if (unlikely(ret)) { + dev_err(dev, "Failed to set time: %d\n", ret); + goto fail; + } + + spin_unlock_irq(&priv->lock); + + return 0; + +fail: + spin_unlock_irq(&priv->lock); + return ret; +} + +static struct rtc_class_ops ls2x_rtc_ops = { + .read_time = ls2x_rtc_read_time, + .set_time = ls2x_rtc_set_time, +}; + +static int ls2x_rtc_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct rtc_device *rtc; + struct ls2x_rtc_priv *priv; + void __iomem *regs; + int ret; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (unlikely(!priv)) + return -ENOMEM; + + spin_lock_init(&priv->lock); + platform_set_drvdata(pdev, priv); + + regs = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(regs)) { + ret = PTR_ERR(regs); + dev_err(dev, "Failed to map rtc registers: %d\n", ret); + return ret; + } + + priv->regmap = devm_regmap_init_mmio(dev, regs, + &ls2x_rtc_regmap_config); + if (IS_ERR(priv->regmap)) { + ret = PTR_ERR(priv->regmap); + dev_err(dev, "Failed to init regmap: %d\n", ret); + return ret; + } + + rtc = devm_rtc_allocate_device(dev); + if (IS_ERR(rtc)) { + ret = PTR_ERR(rtc); + dev_err(dev, "Failed to allocate rtc device: %d\n", ret); + return ret; + } + + rtc->ops = &ls2x_rtc_ops; + + /* Due to hardware erratum, all years multiple of 4 are considered + * leap year, so only years 2000 through 2099 are usable. + * + * Previous out-of-tree versions of this driver wrote tm_year directly + * into the year register, so epoch 2000 must be used to preserve + * semantics on shipped systems. + */ + rtc->range_min = RTC_TIMESTAMP_BEGIN_2000; + rtc->range_max = RTC_TIMESTAMP_END_2099; + + return rtc_register_device(rtc); +} + +static const struct of_device_id ls2x_rtc_of_match[] = { + { .compatible = "loongson,ls2x-rtc" }, + { /* sentinel */ }, +}; +MODULE_DEVICE_TABLE(of, ls2x_rtc_of_match); + +static struct platform_driver ls2x_rtc_driver = { + .probe = ls2x_rtc_probe, + .driver = { + .name = "ls2x-rtc", + .of_match_table = of_match_ptr(ls2x_rtc_of_match), + }, +}; + +module_platform_driver(ls2x_rtc_driver); + +MODULE_DESCRIPTION("LS2X RTC driver"); +MODULE_AUTHOR("WANG Xuerui"); +MODULE_AUTHOR("Huacai Chen"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:ls2x-rtc"); From patchwork Wed May 5 16:39:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 12240557 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC6A3C433B4 for ; Wed, 5 May 2021 16:50:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C1ACA613BE for ; Wed, 5 May 2021 16:50:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235381AbhEEQvd (ORCPT ); Wed, 5 May 2021 12:51:33 -0400 Received: from [115.28.160.31] ([115.28.160.31]:46576 "EHLO mailbox.box.xen0n.name" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S236098AbhEEQrp (ORCPT ); Wed, 5 May 2021 12:47:45 -0400 Received: from ld50.lan (unknown [101.224.80.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by mailbox.box.xen0n.name (Postfix) with ESMTPSA id 2E50063570; Thu, 6 May 2021 00:39:42 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1620232782; bh=KyFmzNY9iME7gAnoVZLtCu1aHJKWM5wIRQgf7jjbe/k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Efqv1MbsVXO+1vqRjDtYNX25rJ8YLkP2T/AcvMbPCSoOgER5194M45eXfpIL7jGaL jPubZl0WdKBO8m+qE47RjgZemqc5ZBya/pNNM/ChMAexlmmVs0Nep73vqBCI8BbIya YwmEPFVaTiVXCeg4RLnbhClpTK0GHpmV0MN8VGyE= From: WANG Xuerui To: linux-rtc@vger.kernel.org Cc: WANG Xuerui , linux-mips@vger.kernel.org, devicetree@vger.kernel.org, Rob Herring , Rob Herring Subject: [PATCH v2 2/6] dt-bindings: rtc: Add bindings for LS2X RTC Date: Thu, 6 May 2021 00:39:01 +0800 Message-Id: <20210505163905.1199923-3-git@xen0n.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210505163905.1199923-1-git@xen0n.name> References: <20210505163905.1199923-1-git@xen0n.name> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Document the binding for the LS2X RTC block found on the Loongson-2K SoC and the LS7A bridge, originally appearing on the Loongson-2H. Signed-off-by: WANG Xuerui Acked-by: Rob Herring Cc: Rob Herring Cc: devicetree@vger.kernel.org --- Documentation/devicetree/bindings/rtc/trivial-rtc.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/rtc/trivial-rtc.yaml b/Documentation/devicetree/bindings/rtc/trivial-rtc.yaml index 7548d8714871..568aa89989fe 100644 --- a/Documentation/devicetree/bindings/rtc/trivial-rtc.yaml +++ b/Documentation/devicetree/bindings/rtc/trivial-rtc.yaml @@ -42,6 +42,8 @@ properties: - isil,isl1218 # Intersil ISL12022 Real-time Clock - isil,isl12022 + # Loongson LS2X RTC + - loongson,ls2x-rtc # Real Time Clock Module with I2C-Bus - microcrystal,rv3028 # Real Time Clock Module with I2C-Bus From patchwork Wed May 5 16:39:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 12240589 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A0A85C433ED for ; Wed, 5 May 2021 16:55:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 80CB1613B4 for ; Wed, 5 May 2021 16:55:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236189AbhEEQz7 (ORCPT ); Wed, 5 May 2021 12:55:59 -0400 Received: from [115.28.160.31] ([115.28.160.31]:46608 "EHLO mailbox.box.xen0n.name" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S236435AbhEEQts (ORCPT ); Wed, 5 May 2021 12:49:48 -0400 Received: from ld50.lan (unknown [101.224.80.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by mailbox.box.xen0n.name (Postfix) with ESMTPSA id A671B63571; Thu, 6 May 2021 00:39:45 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1620232785; bh=K0ehAmtye6+D5vkhbi8tBXlfgGVPJ3u4uj/lFn6bk2c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SaXbK7+acQ4gFnJIkkNuwt62EpbSxSOZrOaQkb6aiLyPdlSL/6BYdtfRzWnuDhfxm ICIdTjJLpkkHe1vfSMiiLZrWkQMbhO9pbLtpdQGZvqqXF6Aj8sxm6bP+Rjtxa2kfbF +J86DtItOZ7221lxUFCFrxqiClKoZTlc5ai35/88= From: WANG Xuerui To: linux-rtc@vger.kernel.org Cc: WANG Xuerui , linux-mips@vger.kernel.org, devicetree@vger.kernel.org, Rob Herring Subject: [PATCH v2 3/6] MIPS: Loongson64: DTS: Add RTC support to LS7A Date: Thu, 6 May 2021 00:39:02 +0800 Message-Id: <20210505163905.1199923-4-git@xen0n.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210505163905.1199923-1-git@xen0n.name> References: <20210505163905.1199923-1-git@xen0n.name> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org The LS7A RTC module is now supported, enable it. Signed-off-by: WANG Xuerui Cc: Rob Herring Cc: devicetree@vger.kernel.org --- arch/mips/boot/dts/loongson/ls7a-pch.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi index f99a7a11fded..39808e97e6e1 100644 --- a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi +++ b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi @@ -19,6 +19,11 @@ pic: interrupt-controller@10000000 { #interrupt-cells = <2>; }; + rtc0: rtc@100d0100 { + compatible = "loongson,ls2x-rtc"; + reg = <0 0x100d0100 0 0x78>; + }; + ls7a_uart0: serial@10080000 { compatible = "ns16550a"; reg = <0 0x10080000 0 0x100>; From patchwork Wed May 5 16:39:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 12240555 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6B574C43616 for ; Wed, 5 May 2021 16:50:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4F4FF61424 for ; Wed, 5 May 2021 16:50:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235041AbhEEQvc (ORCPT ); Wed, 5 May 2021 12:51:32 -0400 Received: from [115.28.160.31] ([115.28.160.31]:46568 "EHLO mailbox.box.xen0n.name" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S236090AbhEEQrp (ORCPT ); Wed, 5 May 2021 12:47:45 -0400 Received: from ld50.lan (unknown [101.224.80.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by mailbox.box.xen0n.name (Postfix) with ESMTPSA id 35B1563572; Thu, 6 May 2021 00:39:47 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1620232787; bh=9v8f97ChqoUTAZr7mZ3Hn4IYe/rARMySCQCNva+ssAo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PzW6C9eX9qh+7AdKJh6ATnCXaiEseW1ZvLtXf6wgHYSqW2f7M+YIoisljHthsSW4Z yDgxN9dFWmDqEWpxDngbPYipt71750cRdHhN8fM+J59X/B0uNdk8xui9kOBYOtwKZa KG/XF0npUuS42la3MeqhWdubHrlLZt+m8TteKj5Q= From: WANG Xuerui To: linux-rtc@vger.kernel.org Cc: WANG Xuerui , linux-mips@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v2 4/6] MIPS: Loongson: Enable LS2X RTC in loongson3_defconfig Date: Thu, 6 May 2021 00:39:03 +0800 Message-Id: <20210505163905.1199923-5-git@xen0n.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210505163905.1199923-1-git@xen0n.name> References: <20210505163905.1199923-1-git@xen0n.name> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org This is now supported, enable for Loongson-3 systems. Other systems are unaffected. Signed-off-by: WANG Xuerui --- arch/mips/configs/loongson3_defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/mips/configs/loongson3_defconfig b/arch/mips/configs/loongson3_defconfig index a18609cf0e5e..b34ca534b9b6 100644 --- a/arch/mips/configs/loongson3_defconfig +++ b/arch/mips/configs/loongson3_defconfig @@ -325,6 +325,7 @@ CONFIG_USB_SERIAL_OPTION=m CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_CMOS=y CONFIG_RTC_DRV_GOLDFISH=y +CONFIG_RTC_DRV_LS2X=y CONFIG_DMADEVICES=y CONFIG_VIRTIO_PCI=y CONFIG_VIRTIO_BALLOON=m From patchwork Wed May 5 16:39:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 12240553 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 435DCC43603 for ; Wed, 5 May 2021 16:50:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2790761424 for ; Wed, 5 May 2021 16:50:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234882AbhEEQvc (ORCPT ); Wed, 5 May 2021 12:51:32 -0400 Received: from [115.28.160.31] ([115.28.160.31]:46570 "EHLO mailbox.box.xen0n.name" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S236091AbhEEQrl (ORCPT ); Wed, 5 May 2021 12:47:41 -0400 X-Greylist: delayed 426 seconds by postgrey-1.27 at vger.kernel.org; Wed, 05 May 2021 12:47:31 EDT Received: from ld50.lan (unknown [101.224.80.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by mailbox.box.xen0n.name (Postfix) with ESMTPSA id 18EEE63573; Thu, 6 May 2021 00:39:50 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1620232790; bh=qNMkh41741Clhd1cGymIjFugtw5DUUNvwDVm0UsONMQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cxGar7PRQWVVBN1Qq/veSroQqe/JctA5smZ77V5FU+apBGDTcVYmf+/ueuJtwzw0b Pe57ErHtn3jl1k3MIlWE0MHCNy5DXHf7895JuuSTrXNm6XUzMfHssNAb4G9/3Emd35 HGfxzrzxq3QwfeoS4Hd9RFmh77OUR9Ie1rmwrUaM= From: WANG Xuerui To: linux-rtc@vger.kernel.org Cc: WANG Xuerui , linux-mips@vger.kernel.org, devicetree@vger.kernel.org, Rob Herring Subject: [PATCH v2 5/6] MIPS: Loongson64: DTS: Add RTC support to Loongson-2K Date: Thu, 6 May 2021 00:39:04 +0800 Message-Id: <20210505163905.1199923-6-git@xen0n.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210505163905.1199923-1-git@xen0n.name> References: <20210505163905.1199923-1-git@xen0n.name> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org The Loongson-2K RTC module is now supported, enable it. The MMIO address is unclear from the Loongson 2K1000 user manual, I took it from Loongson's out-of-tree fork of Linux 4.19. Signed-off-by: WANG Xuerui Cc: Rob Herring Cc: devicetree@vger.kernel.org --- arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi index 569e814def83..0f00080f77b9 100644 --- a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi +++ b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi @@ -52,6 +52,11 @@ package0: bus@10000000 { 0 0x40000000 0 0x40000000 0 0x40000000 0xfe 0x00000000 0xfe 0x00000000 0 0x40000000>; + rtc0: rtc@1fe07800 { + compatible = "loongson,ls2x-rtc"; + reg = <0 0x1fe07800 0 0x78>; + }; + liointc0: interrupt-controller@1fe11400 { compatible = "loongson,liointc-2.0"; reg = <0 0x1fe11400 0 0x40>, From patchwork Wed May 5 16:39:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 12240561 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 81D0CC433B4 for ; Wed, 5 May 2021 16:50:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 55CA961463 for ; Wed, 5 May 2021 16:50:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234854AbhEEQvg (ORCPT ); Wed, 5 May 2021 12:51:36 -0400 Received: from [115.28.160.31] ([115.28.160.31]:46572 "EHLO mailbox.box.xen0n.name" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S236096AbhEEQrt (ORCPT ); Wed, 5 May 2021 12:47:49 -0400 Received: from ld50.lan (unknown [101.224.80.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by mailbox.box.xen0n.name (Postfix) with ESMTPSA id E194163574; Thu, 6 May 2021 00:39:51 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1620232792; bh=Lcq9mkPiHImH+I0BXf7yKYe8aKuXGEHCkOdhuMAr6s0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rG/csFDiYt1syAaZV1xJxYZYtJaHtpK7WS94ADQGLdaUXFZDZZADu4gUQpOJvJ9Pt B+wNArmcgiDqcCjUgRGAzYNl505eqcPylPxzNpEZvj0cdaIJtkrvZx3qTvSfMRy+7V PND93va90IXr4neME9CqTJvsGhJ1mQnZz7+lWzZw= From: WANG Xuerui To: linux-rtc@vger.kernel.org Cc: WANG Xuerui , linux-mips@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v2 6/6] MIPS: Loongson: Enable LS2X RTC in loongson2k_defconfig Date: Thu, 6 May 2021 00:39:05 +0800 Message-Id: <20210505163905.1199923-7-git@xen0n.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210505163905.1199923-1-git@xen0n.name> References: <20210505163905.1199923-1-git@xen0n.name> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org This is now supported, enable for Loongson-2K systems. Other systems are unaffected. Signed-off-by: WANG Xuerui --- arch/mips/configs/loongson2k_defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/mips/configs/loongson2k_defconfig b/arch/mips/configs/loongson2k_defconfig index e948ca487e2d..e15f34857956 100644 --- a/arch/mips/configs/loongson2k_defconfig +++ b/arch/mips/configs/loongson2k_defconfig @@ -280,6 +280,7 @@ CONFIG_USB_SERIAL=m CONFIG_USB_SERIAL_OPTION=m CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_CMOS=y +CONFIG_RTC_DRV_LS2X=y CONFIG_DMADEVICES=y # CONFIG_CPU_HWMON is not set CONFIG_PM_DEVFREQ=y