From patchwork Wed Sep 23 07:58:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 11794255 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4EA9F16BC for ; Wed, 23 Sep 2020 08:06:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 337792388B for ; Wed, 23 Sep 2020 08:06:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=xen0n.name header.i=@xen0n.name header.b="RmeQtolp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726291AbgIWIGx (ORCPT ); Wed, 23 Sep 2020 04:06:53 -0400 Received: from [115.28.160.31] ([115.28.160.31]:55518 "EHLO mailbox.box.xen0n.name" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1726184AbgIWIGx (ORCPT ); Wed, 23 Sep 2020 04:06:53 -0400 X-Greylist: delayed 430 seconds by postgrey-1.27 at vger.kernel.org; Wed, 23 Sep 2020 04:06:50 EDT Received: from ld50.lan (unknown [101.224.80.228]) (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 166F46068B; Wed, 23 Sep 2020 15:59:44 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1600847984; bh=jtnIwpvANNfhcaXx9UIFG02Yo5jdY8B0EUKHdPMJ5K4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RmeQtolp+4oXmh+IKpVlHrBij2PIVPsS82fqm/1rfy7mvWM42mqOfEpv047vPAKuv eV5zWgs1lCw54ElHbwGrR4Gbk4kMxs9ZAiZSFKWHJrYgjCESKnzJM4Dk+P+xBHAR+C AV2p7Bbpyez2lOCpwD3mHqcvUnVNhxbpbhtNBlyg= From: WANG Xuerui To: linux-rtc@vger.kernel.org Cc: WANG Xuerui , linux-mips@vger.kernel.org, devicetree@vger.kernel.org, Huacai Chen Subject: [PATCH 1/4] rtc: ls2x: Add support for the Loongson-2K/LS7A RTC Date: Wed, 23 Sep 2020 15:58:42 +0800 Message-Id: <20200923075845.360974-2-git@xen0n.name> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200923075845.360974-1-git@xen0n.name> References: <20200923075845.360974-1-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 Reviewed-by: Jiaxun Yang Tested-by: Tiezhu Yang --- 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 48c536acd777..41b96633abf3 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -1301,6 +1301,17 @@ config RTC_DRV_CROS_EC This driver can also be built as a module. If so, the module will be called rtc-cros-ec. +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 880e08a409c3..ade72f6a2435 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -84,6 +84,7 @@ 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..e49cbaceccc2 --- /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 Sep 23 07:58:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 11794251 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 040D91668 for ; Wed, 23 Sep 2020 08:06:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D8C272376E for ; Wed, 23 Sep 2020 08:06:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=xen0n.name header.i=@xen0n.name header.b="iWhOkBAz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726358AbgIWIGw (ORCPT ); Wed, 23 Sep 2020 04:06:52 -0400 Received: from [115.28.160.31] ([115.28.160.31]:55530 "EHLO mailbox.box.xen0n.name" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1726228AbgIWIGw (ORCPT ); Wed, 23 Sep 2020 04:06:52 -0400 Received: from ld50.lan (unknown [101.224.80.228]) (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 52AD5607BE; Wed, 23 Sep 2020 15:59:50 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1600847990; bh=75X06Lpb9Z3b1YfZC/s/JM+hPVwtT2MFnEGIBVtQUgI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iWhOkBAzFVbwVV4BN3D+PuPTswRrFNcRU/I37eX/mWwNNygpcwmpOW4uadj1F6FRG g5BQ3S/m4CMmMPYrw0r+iMKSQu2P+kWASe7QiaFcVif97Lp/h697kF3I0tR+odnNFP Hb4GoLYOUWQaoRSEpqGwzW3xzt72UH9a5BZGn+kA= 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 2/4] dt-bindings: rtc: Add bindings for LS2X RTC Date: Wed, 23 Sep 2020 15:58:43 +0800 Message-Id: <20200923075845.360974-3-git@xen0n.name> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200923075845.360974-1-git@xen0n.name> References: <20200923075845.360974-1-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 Cc: Rob Herring Cc: devicetree@vger.kernel.org Acked-by: Rob Herring --- 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 c7d14de214c4..233666c47d97 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 Sep 23 07:58:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 11794253 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 26F6F618 for ; Wed, 23 Sep 2020 08:06:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0C38F23741 for ; Wed, 23 Sep 2020 08:06:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=xen0n.name header.i=@xen0n.name header.b="v/B7XnvP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726397AbgIWIGx (ORCPT ); Wed, 23 Sep 2020 04:06:53 -0400 Received: from [115.28.160.31] ([115.28.160.31]:55528 "EHLO mailbox.box.xen0n.name" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1726210AbgIWIGx (ORCPT ); Wed, 23 Sep 2020 04:06:53 -0400 Received: from ld50.lan (unknown [101.224.80.228]) (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 86967607BF; Wed, 23 Sep 2020 16:00:04 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1600848004; bh=Af9IUpSBMFBAscGUPBLDx5VDIMdmv1td8aG4IVedo3w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=v/B7XnvPH9WpdRQ/AWtpFsqx8pZMpH8XhKBgdTNer9SJ/AdRxssNaC12SxNTHcyDS cPQJZg/eu4wyyStC0whLeKgGUm6Z+Av6/+nq6CKAnG3mNoUM9KSOGTyhjBX3CGJV/8 WpF6qv9i8oaHSS+irXNr/QdLAmXpcdJdl3ttCisw= 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 3/4] MIPS: Loongson64: DTS: Add RTC support to LS7A Date: Wed, 23 Sep 2020 15:58:44 +0800 Message-Id: <20200923075845.360974-4-git@xen0n.name> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200923075845.360974-1-git@xen0n.name> References: <20200923075845.360974-1-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 Sep 23 07:58:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 11794249 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CABD7618 for ; Wed, 23 Sep 2020 08:06:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A5EF42376E for ; Wed, 23 Sep 2020 08:06:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=xen0n.name header.i=@xen0n.name header.b="jB8glkYp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726316AbgIWIGw (ORCPT ); Wed, 23 Sep 2020 04:06:52 -0400 Received: from [115.28.160.31] ([115.28.160.31]:55520 "EHLO mailbox.box.xen0n.name" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1726196AbgIWIGv (ORCPT ); Wed, 23 Sep 2020 04:06:51 -0400 Received: from ld50.lan (unknown [101.224.80.228]) (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 91D86607D4; Wed, 23 Sep 2020 16:00:08 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1600848008; bh=CMSSFUI7+7uXMRUsxhzFU79TN/n22FWBBRFjjbunpgM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jB8glkYpwoY4YTZKQh1GDNcgdC8A6X01Vv1jAnmR99TT33kmQDw1V043/A/7dbzm7 KgxM3lOhGfv1OJ07VetTHQUiQZUtOHD7JY9b9gs9nl42aX9l9upRICeBMSVGICqERw 3yz07x5/JE0FX3Ku/pkbzAJI0MGufpZ6enFKkL8Q= From: WANG Xuerui To: linux-rtc@vger.kernel.org Cc: WANG Xuerui , linux-mips@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 4/4] MIPS: Loongson: Enable LS2X RTC in loongson3_defconfig Date: Wed, 23 Sep 2020 15:58:45 +0800 Message-Id: <20200923075845.360974-5-git@xen0n.name> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200923075845.360974-1-git@xen0n.name> References: <20200923075845.360974-1-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 or LS7A 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 a5005c8cee8a..d15bb0e39f9d 100644 --- a/arch/mips/configs/loongson3_defconfig +++ b/arch/mips/configs/loongson3_defconfig @@ -322,6 +322,7 @@ 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