From patchwork Thu May 6 01:04:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 1474710 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-rtc-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=xen0n.name header.i=@xen0n.name header.a=rsa-sha256 header.s=mail header.b=Tb9gtj/m; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4FbFjX6N1gz9sRf for ; Thu, 6 May 2021 11:04:48 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230130AbhEFBFp (ORCPT ); Wed, 5 May 2021 21:05:45 -0400 Received: from [115.28.160.31] ([115.28.160.31]:51060 "EHLO mailbox.box.xen0n.name" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S229708AbhEFBFo (ORCPT ); Wed, 5 May 2021 21:05:44 -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 2CF186356E; Thu, 6 May 2021 09:04:44 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1620263084; bh=OpMA6Q9u13HVQ34eeMpaYVEbyigwLCKeScMrsIaZwbk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Tb9gtj/moiBZyfHYPZ6485rrzaXR9NCb78mzwev+cXL6WwBQgCGxj/oFGdBlf6Exu THDPdZIiXD5+sjs036kCQXoS/EdxQjqgK50rz8A99iQO0bCS3gXrgmAlQEitSepjY5 DYCdietf1xJbVC9F0cd1ahrShJEIHWXuT3Uq85OU= 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 v3 1/6] rtc: ls2x: Add support for the Loongson-2K/LS7A RTC Date: Thu, 6 May 2021 09:04:30 +0800 Message-Id: <20210506010435.1333647-2-git@xen0n.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210506010435.1333647-1-git@xen0n.name> References: <20210506010435.1333647-1-git@xen0n.name> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rtc@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 --- 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..6508a87bdb31 --- /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 devm_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 Thu May 6 01:04:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 1474711 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-rtc-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=xen0n.name header.i=@xen0n.name header.a=rsa-sha256 header.s=mail header.b=toByllR8; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4FbFjY3wktz9sVv for ; Thu, 6 May 2021 11:04:49 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230134AbhEFBFp (ORCPT ); Wed, 5 May 2021 21:05:45 -0400 Received: from [115.28.160.31] ([115.28.160.31]:51064 "EHLO mailbox.box.xen0n.name" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S230102AbhEFBFp (ORCPT ); Wed, 5 May 2021 21:05:45 -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 0A9BD63570; Thu, 6 May 2021 09:04:45 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1620263085; bh=KyFmzNY9iME7gAnoVZLtCu1aHJKWM5wIRQgf7jjbe/k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=toByllR8FbZE23iby3g19Vy7ZJ4MjpDhEKqCCJzUL2MR0Jf3jhmfFG+fbKj3W61dZ 1syURJc48Pl9wXwC7RQ3+XOZgwBcHNmp9jV5xqyb3ipo/sMbUa1TYKIALtj5iY1AoZ gy7LC1o7mjuKGsB+MsQ5STWSx7VSFfuaDp3rqvAw= 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 v3 2/6] dt-bindings: rtc: Add bindings for LS2X RTC Date: Thu, 6 May 2021 09:04:31 +0800 Message-Id: <20210506010435.1333647-3-git@xen0n.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210506010435.1333647-1-git@xen0n.name> References: <20210506010435.1333647-1-git@xen0n.name> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rtc@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 Thu May 6 01:04:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 1474713 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-rtc-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=xen0n.name header.i=@xen0n.name header.a=rsa-sha256 header.s=mail header.b=YkWWtizo; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4FbFjZ51Bmz9sVv for ; Thu, 6 May 2021 11:04:50 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230144AbhEFBFq (ORCPT ); Wed, 5 May 2021 21:05:46 -0400 Received: from [115.28.160.31] ([115.28.160.31]:51070 "EHLO mailbox.box.xen0n.name" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S229687AbhEFBFp (ORCPT ); Wed, 5 May 2021 21:05:45 -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 DD37D600BB; Thu, 6 May 2021 09:04:45 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1620263086; bh=K0ehAmtye6+D5vkhbi8tBXlfgGVPJ3u4uj/lFn6bk2c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YkWWtizo6+qtJqdR2OFvbJdAXcCI3xq26MIU5SMhG1vhOznPuwG4S9k6yqP25TnyJ POZcdA0b+pJReuyGD8NAfZkIvloS9rkxxhGEC6gaI5Gw6DU57UGWyVkNVDB2sbKD2L aLHP725S0xvoDrRA4ly/XVpnlMQQj0aOOIxnKzU4= 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 v3 3/6] MIPS: Loongson64: DTS: Add RTC support to LS7A Date: Thu, 6 May 2021 09:04:32 +0800 Message-Id: <20210506010435.1333647-4-git@xen0n.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210506010435.1333647-1-git@xen0n.name> References: <20210506010435.1333647-1-git@xen0n.name> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rtc@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 Thu May 6 01:04:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 1474714 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-rtc-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=xen0n.name header.i=@xen0n.name header.a=rsa-sha256 header.s=mail header.b=ozd9OxGr; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4FbFjb0D3jz9sW4 for ; Thu, 6 May 2021 11:04:51 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230163AbhEFBFr (ORCPT ); Wed, 5 May 2021 21:05:47 -0400 Received: from [115.28.160.31] ([115.28.160.31]:51072 "EHLO mailbox.box.xen0n.name" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S230110AbhEFBFq (ORCPT ); Wed, 5 May 2021 21:05:46 -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 B53A563571; Thu, 6 May 2021 09:04:46 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1620263086; bh=9v8f97ChqoUTAZr7mZ3Hn4IYe/rARMySCQCNva+ssAo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ozd9OxGrsDyX4vzJzq5LFO00n4CRB5A9T+3EBGH/JghOQV3kaOz+Lp7tDgKMiVtQi 1jyM35aYvRUCG6SmPqEOvakDVc8h5Rv8LAb0DLnl1hIn1fEgXFwSF6bR+RPc3YEHnn TQBre9cBIEGITsBjgaSFQufHF8+Rn1rPNx8sg0co= From: WANG Xuerui To: linux-rtc@vger.kernel.org Cc: WANG Xuerui , linux-mips@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v3 4/6] MIPS: Loongson: Enable LS2X RTC in loongson3_defconfig Date: Thu, 6 May 2021 09:04:33 +0800 Message-Id: <20210506010435.1333647-5-git@xen0n.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210506010435.1333647-1-git@xen0n.name> References: <20210506010435.1333647-1-git@xen0n.name> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rtc@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 Thu May 6 01:04:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 1474716 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-rtc-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=xen0n.name header.i=@xen0n.name header.a=rsa-sha256 header.s=mail header.b=d7SSxdYW; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4FbFjd0cY7z9sV5 for ; Thu, 6 May 2021 11:04:53 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230173AbhEFBFt (ORCPT ); Wed, 5 May 2021 21:05:49 -0400 Received: from [115.28.160.31] ([115.28.160.31]:51074 "EHLO mailbox.box.xen0n.name" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S230116AbhEFBFs (ORCPT ); Wed, 5 May 2021 21:05:48 -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 85F5D63572; Thu, 6 May 2021 09:04:47 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1620263087; bh=qNMkh41741Clhd1cGymIjFugtw5DUUNvwDVm0UsONMQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=d7SSxdYWQEr9W0vZ1dAlFDLdwWunynk26FTku4S4zRzk/rmxDmKNuWqXLubWjXIrM bteSnBwSxl6pyp5QGTYB1PXBGHzGLxYJqNIY2LSfujU7hipefW55ejwSzOBoI9FWOt xD8h3iiKejYRHb2PvqNzQkxoOr0HsOCDQcIirQus= 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 v3 5/6] MIPS: Loongson64: DTS: Add RTC support to Loongson-2K Date: Thu, 6 May 2021 09:04:34 +0800 Message-Id: <20210506010435.1333647-6-git@xen0n.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210506010435.1333647-1-git@xen0n.name> References: <20210506010435.1333647-1-git@xen0n.name> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rtc@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 Thu May 6 01:04:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: WANG Xuerui X-Patchwork-Id: 1474715 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-rtc-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=xen0n.name header.i=@xen0n.name header.a=rsa-sha256 header.s=mail header.b=aiDsDnTW; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4FbFjc5QxSz9sW4 for ; Thu, 6 May 2021 11:04:52 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230188AbhEFBFt (ORCPT ); Wed, 5 May 2021 21:05:49 -0400 Received: from [115.28.160.31] ([115.28.160.31]:51078 "EHLO mailbox.box.xen0n.name" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S229687AbhEFBFs (ORCPT ); Wed, 5 May 2021 21:05:48 -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 708C76356E; Thu, 6 May 2021 09:04:48 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1620263088; bh=Lcq9mkPiHImH+I0BXf7yKYe8aKuXGEHCkOdhuMAr6s0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aiDsDnTWWTxxDqwoTwij0hvidY7XehoaLVaA1wqSIUaNXazFU/X5fQ34acbNyRQ/y pNg9kQ9L4jzb///fLWhQ3li4CvFlAobOvj339e0sBrVLc2yWUwoHiXw6PittmUdB15 uqiF3GFwG9oV86Wl3BTPkotEzdCCJQeQMTcElR+c= From: WANG Xuerui To: linux-rtc@vger.kernel.org Cc: WANG Xuerui , linux-mips@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v3 6/6] MIPS: Loongson: Enable LS2X RTC in loongson2k_defconfig Date: Thu, 6 May 2021 09:04:35 +0800 Message-Id: <20210506010435.1333647-7-git@xen0n.name> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210506010435.1333647-1-git@xen0n.name> References: <20210506010435.1333647-1-git@xen0n.name> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rtc@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