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Signed-off-by: Chen Wang --- drivers/reset/Kconfig | 1 + drivers/reset/reset-simple.c | 2 ++ drivers/reset/sophgo/Kconfig | 10 ++++++++++ 3 files changed, 13 insertions(+) create mode 100644 drivers/reset/sophgo/Kconfig diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index ccd59ddd7610..09ba59cc4bc5 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -318,6 +318,7 @@ config RESET_ZYNQ help This enables the reset controller driver for Xilinx Zynq SoCs. +source "drivers/reset/sophgo/Kconfig" source "drivers/reset/starfive/Kconfig" source "drivers/reset/sti/Kconfig" source "drivers/reset/hisilicon/Kconfig" diff --git a/drivers/reset/reset-simple.c b/drivers/reset/reset-simple.c index 818cabcc9fb7..276067839830 100644 --- a/drivers/reset/reset-simple.c +++ b/drivers/reset/reset-simple.c @@ -151,6 +151,8 @@ static const struct of_device_id reset_simple_dt_ids[] = { { .compatible = "snps,dw-high-reset" }, { .compatible = "snps,dw-low-reset", .data = &reset_simple_active_low }, + { .compatible = "sophgo,sg2042-reset", + .data = &reset_simple_active_low }, { /* sentinel */ }, }; diff --git a/drivers/reset/sophgo/Kconfig b/drivers/reset/sophgo/Kconfig new file mode 100644 index 000000000000..9ad96e49e1dd --- /dev/null +++ b/drivers/reset/sophgo/Kconfig @@ -0,0 +1,10 @@ +# SPDX-License-Identifier: GPL-2.0-only + +config RESET_SOPHGO_SG2042 + bool "Sophgo SG2042 Reset Driver" + depends on ARCH_SOPHGO || COMPILE_TEST + select RESET_SIMPLE + default ARCH_SOPHGO + help + This enables the reset controller driver for the Sophgo SG2042 SoC. + From patchwork Thu Jan 25 06:11:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Wang X-Patchwork-Id: 766168 Received: from mail-oa1-f50.google.com (mail-oa1-f50.google.com [209.85.160.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5F88010A09; Thu, 25 Jan 2024 06:12:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.50 ARC-Seal: i=1; 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Wed, 24 Jan 2024 22:12:05 -0800 (PST) Received: from localhost.localdomain ([122.8.183.87]) by smtp.gmail.com with ESMTPSA id w4-20020a056870a2c400b0021453296524sm2006054oak.41.2024.01.24.22.12.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Jan 2024 22:12:04 -0800 (PST) From: Chen Wang To: aou@eecs.berkeley.edu, chao.wei@sophgo.com, conor@kernel.org, krzysztof.kozlowski+dt@linaro.org, palmer@dabbelt.com, paul.walmsley@sifive.com, p.zabel@pengutronix.de, robh+dt@kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, haijiao.liu@sophgo.com, xiaoguang.xing@sophgo.com, guoren@kernel.org, jszhang@kernel.org, inochiama@outlook.com Cc: Chen Wang Subject: [PATCH v2 4/4] riscv: dts: add resets property for uart node Date: Thu, 25 Jan 2024 14:11:58 +0800 Message-Id: <685eeea20960d96ac2c37eb8990e1f7112ee4178.1706161530.git.unicorn_wang@outlook.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Chen Wang Add resets property for uart0 for completeness, although it is deasserted by default. Signed-off-by: Chen Wang --- arch/riscv/boot/dts/sophgo/sg2042.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/boot/dts/sophgo/sg2042.dtsi b/arch/riscv/boot/dts/sophgo/sg2042.dtsi index f59081d4f0ee..03266f216021 100644 --- a/arch/riscv/boot/dts/sophgo/sg2042.dtsi +++ b/arch/riscv/boot/dts/sophgo/sg2042.dtsi @@ -327,6 +327,7 @@ uart0: serial@7040000000 { clock-frequency = <500000000>; reg-shift = <2>; reg-io-width = <4>; + resets = <&rstgen RST_UART0>; status = "disabled"; }; };