From patchwork Fri Dec 8 01:15:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Wang X-Patchwork-Id: 751803 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ebr/03kW" Received: from mail-oo1-xc33.google.com (mail-oo1-xc33.google.com [IPv6:2607:f8b0:4864:20::c33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5BC1D171F; Thu, 7 Dec 2023 17:15:17 -0800 (PST) Received: by mail-oo1-xc33.google.com with SMTP id 006d021491bc7-59052ab970eso610789eaf.1; Thu, 07 Dec 2023 17:15:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1701998116; x=1702602916; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=kMotijnh/qiarlNtyEfMGI6pNts/0ixAszGWpmQazv8=; b=ebr/03kWW+Oh42WDQ/OrWQJngM0B1CICqrE4Av5RiQkxpEWB1XZMV3StNY6N2tBgxq 6wM1iYNY7qOpYD9AdAJ/MjMWaoL+6jpwfBGaj52ogdMVn+q+9NJvXL12f3krYyMxigjy O6FVkWtCYoKSQ1Pb04zTAy5rTND75EPzV/y7hGJlpU/ldIaAOBt1LXf5MLKxsRf1nkIc s3MISkFaQkH+jjLdbrIou9+ZbniXCyQB91/7ZrhmGK+QQQdyRuOZqtdtHpDt95NTYP8f 4WmGkG7qIAcTGqGYXdrZqbs5XJV99R3wVYlp1zYes79j8aDb6nFkM5yGv/GX+vCCJVb3 mUvA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701998116; x=1702602916; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=kMotijnh/qiarlNtyEfMGI6pNts/0ixAszGWpmQazv8=; b=DMQD26oO6L+0wg+Y6tf5S7QJK7C3IDcZrfaHiN9MMDoPvkVQhg8POr8BAyrHTlJUV3 bzf88C2e9bsOkKWTGBnHxtXSqhX/VUKf3jGYGu6Ev7SFMlf4lYskSnWeVOfmzOtyCihM n/fnrwO8qb51zp89E68sr1PS0Cu/Yd/wZP4A68d5ZMWGD1fClh0ufh1JRuoh23Uhu+6E 2cfOO8duwMXcwXmOdUsBka6fq1SP7EXe4RJ1TC7FZUWJQckdxzv5bX7N35gZGdpKAbVr +scGQ6ImHDAGjkxzKTS9lS+FHlHydPmhPc0fYkfoqnzbUobmczKN1m7liip7Y9UX/dnl TiMA== X-Gm-Message-State: AOJu0Yz4ubpl0tTO8k/IAGEDy4GY5OnMj7P6PkcLKKx7a/xCw6bh9AVJ pwvz3bOIGJbyxw/tvvyIwN0= X-Google-Smtp-Source: AGHT+IGOOVBSFoaAoGYjPbsMs6QasYWQhIA4Z8UtwX3Se0kT2Qsz/Gd7BhSQaY8N6FQtPoCIb63Vnw== X-Received: by 2002:a05:6870:799:b0:1fb:788:e8ba with SMTP id en25-20020a056870079900b001fb0788e8bamr63989oab.53.1701998116381; Thu, 07 Dec 2023 17:15:16 -0800 (PST) Received: from localhost.localdomain ([122.8.183.87]) by smtp.gmail.com with ESMTPSA id ps5-20020a0568709e0500b001fb33181cfasm76280oab.55.2023.12.07.17.15.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Dec 2023 17:15:15 -0800 (PST) From: Chen Wang To: aou@eecs.berkeley.edu, chao.wei@sophgo.com, conor@kernel.org, krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com, palmer@dabbelt.com, paul.walmsley@sifive.com, richardcochran@gmail.com, robh+dt@kernel.org, sboyd@kernel.org, devicetree@vger.kernel.org, linux-clk@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, samuel.holland@sifive.com Cc: Chen Wang Subject: [PATCH v6 4/4] riscv: dts: add clock generator for Sophgo SG2042 SoC Date: Fri, 8 Dec 2023 09:15:08 +0800 Message-Id: <7017ba0ffc736103339af041ec014a8cf209bc11.1701997033.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 clock generator node to device tree for SG2042, and enable clock for uart. Signed-off-by: Chen Wang --- .../boot/dts/sophgo/sg2042-milkv-pioneer.dts | 4 + arch/riscv/boot/dts/sophgo/sg2042.dtsi | 79 +++++++++++++++++++ 2 files changed, 83 insertions(+) diff --git a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts index 49b4b9c2c101..0b3b3b2b0c64 100644 --- a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts +++ b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts @@ -14,6 +14,10 @@ chosen { }; }; +&cgi { + clock-frequency = <25000000>; +}; + &uart0 { status = "okay"; }; diff --git a/arch/riscv/boot/dts/sophgo/sg2042.dtsi b/arch/riscv/boot/dts/sophgo/sg2042.dtsi index 93256540d078..f08c41dda216 100644 --- a/arch/riscv/boot/dts/sophgo/sg2042.dtsi +++ b/arch/riscv/boot/dts/sophgo/sg2042.dtsi @@ -5,6 +5,7 @@ /dts-v1/; #include +#include #include "sg2042-cpus.dtsi" @@ -18,6 +19,12 @@ aliases { serial0 = &uart0; }; + cgi: oscillator { + compatible = "fixed-clock"; + clock-output-names = "cgi"; + #clock-cells = <0>; + }; + soc: soc { compatible = "simple-bus"; #address-cells = <2>; @@ -311,12 +318,84 @@ intc: interrupt-controller@7090000000 { riscv,ndev = <224>; }; + sys_ctrl: system-controller@7030010000 { + compatible = "sophgo,sg2042-sysctrl"; + reg = <0x70 0x30010000 0x0 0x1000>; + }; + + clkgen: clock-controller@7030012000 { + compatible = "sophgo,sg2042-clkgen"; + reg = <0x70 0x30012000 0x0 0x1000>; + sophgo,system-ctrl = <&sys_ctrl>; + #clock-cells = <1>; + clocks = <&cgi>; + assigned-clocks = \ + <&clkgen DIV_CLK_FPLL_RP_CPU_NORMAL_1>, + <&clkgen DIV_CLK_FPLL_50M_A53>, + <&clkgen DIV_CLK_FPLL_TOP_RP_CMN_DIV2>, + <&clkgen DIV_CLK_FPLL_UART_500M>, + <&clkgen DIV_CLK_FPLL_AHB_LPC>, + <&clkgen DIV_CLK_FPLL_EFUSE>, + <&clkgen DIV_CLK_FPLL_TX_ETH0>, + <&clkgen DIV_CLK_FPLL_PTP_REF_I_ETH0>, + <&clkgen DIV_CLK_FPLL_REF_ETH0>, + <&clkgen DIV_CLK_FPLL_EMMC>, + <&clkgen DIV_CLK_FPLL_SD>, + <&clkgen DIV_CLK_FPLL_TOP_AXI0>, + <&clkgen DIV_CLK_FPLL_TOP_AXI_HSPERI>, + <&clkgen DIV_CLK_FPLL_AXI_DDR_1>, + <&clkgen DIV_CLK_FPLL_DIV_TIMER1>, + <&clkgen DIV_CLK_FPLL_DIV_TIMER2>, + <&clkgen DIV_CLK_FPLL_DIV_TIMER3>, + <&clkgen DIV_CLK_FPLL_DIV_TIMER4>, + <&clkgen DIV_CLK_FPLL_DIV_TIMER5>, + <&clkgen DIV_CLK_FPLL_DIV_TIMER6>, + <&clkgen DIV_CLK_FPLL_DIV_TIMER7>, + <&clkgen DIV_CLK_FPLL_DIV_TIMER8>, + <&clkgen DIV_CLK_FPLL_100K_EMMC>, + <&clkgen DIV_CLK_FPLL_100K_SD>, + <&clkgen DIV_CLK_FPLL_GPIO_DB>, + <&clkgen DIV_CLK_MPLL_RP_CPU_NORMAL_0>, + <&clkgen DIV_CLK_MPLL_AXI_DDR_0>; + assigned-clock-rates = \ + <2000000000>, + <50000000>, + <1000000000>, + <500000000>, + <200000000>, + <25000000>, + <125000000>, + <50000000>, + <25000000>, + <100000000>, + <100000000>, + <100000000>, + <250000000>, + <1000000000>, + <50000000>, + <50000000>, + <50000000>, + <50000000>, + <50000000>, + <50000000>, + <50000000>, + <50000000>, + <100000>, + <100000>, + <100000>, + <2000000000>, + <1000000000>; + }; + uart0: serial@7040000000 { compatible = "snps,dw-apb-uart"; reg = <0x00000070 0x40000000 0x00000000 0x00001000>; interrupt-parent = <&intc>; interrupts = <112 IRQ_TYPE_LEVEL_HIGH>; clock-frequency = <500000000>; + clocks = <&clkgen GATE_CLK_UART_500M>, + <&clkgen GATE_CLK_APB_UART>; + clock-names = "baudclk", "apb_pclk"; reg-shift = <2>; reg-io-width = <4>; status = "disabled";