From patchwork Tue Dec 5 00:24:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Wang X-Patchwork-Id: 13479227 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="l6yVqPCj" Received: from mail-oa1-x31.google.com (mail-oa1-x31.google.com [IPv6:2001:4860:4864:20::31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 705B6FF; Mon, 4 Dec 2023 16:24:13 -0800 (PST) Received: by mail-oa1-x31.google.com with SMTP id 586e51a60fabf-1fafe41bfb0so2103944fac.0; Mon, 04 Dec 2023 16:24:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1701735852; x=1702340652; 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=x7obvGCBMmltBjy5XbnnE2I2O+AT6oEkcBU325Ni1XM=; b=l6yVqPCjVm4mh3oZXKGnMhm1rQZW50wYHoC2ljJri5slHbCcg8Bhyzxf+9jnvL3osd bDWQcjlE8kATOdn/eJWCmoi5s79umc2nTH8569S/cWUha5mHRqfG+Xgy96uK7B7fHMZQ fUNNvk8fQsjaEPiiXoDFU0iUqHSH9aLMb5I0JfmK0gadYmbaivfTJriSRIkVP3kIB9bh k+S3Qy8bdA7xwSP3q4/ajsZB1HdNaW5918ReL6m8ZA1pkgl6urYrY4Cgxj2r/CnXax2n O+AGjCKVJF+hD/5+sUZnNoHBug3Vg2bjTEocz5n/a9P8KoJgP12A+ZPS1J8XR7p67s6k JSMw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701735852; x=1702340652; 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=x7obvGCBMmltBjy5XbnnE2I2O+AT6oEkcBU325Ni1XM=; b=PZ8kBGNhGw5kB5wvRvnWqQ7ECvRT53oEMLc7B1P1up6BdxQqjiUfKk6rFANecneQjc gVARcu3a53XoJJnFJuaB+2+ltEmntgf43Vv7it9Qrwo7s+SkZiKIWx5+Hpywsgl3UxBR dnMw0G703B01263PGuvEkl4IntTDx5MnhVSOHkA+3MGpcoDuDud1Ztc7BHKi3l1flt+R aoWa7LvDH70r2VHsBb49DYZxeOOrVEDDjyvApx3GWnCF0an0XaGnhCmLH53cVh3rfd3J uPkokjb2eZgLdS7x4r8VxZQVgGYobLTmeJbBvat3lAAVshH3+yf1TcCcXoHEMeawRQzx Ro1w== X-Gm-Message-State: AOJu0YxeQ6y1Zq8h/H+XH1l1FwhaqVQPkcuPp4mL3XHfxEoFCgfnHNFU Yg0VivQ6OnVzz+iVNSx7xrE= X-Google-Smtp-Source: AGHT+IGD706YDruc38UmeXeVfUdYx0iJfeoLc76Wz6RAueGGVRmm2G+cyR69igaLKhQnCz8+a2foUg== X-Received: by 2002:a05:6870:9692:b0:1fb:75a:77b3 with SMTP id o18-20020a056870969200b001fb075a77b3mr5070235oaq.100.1701735852665; Mon, 04 Dec 2023 16:24:12 -0800 (PST) Received: from localhost.localdomain ([122.8.183.87]) by smtp.gmail.com with ESMTPSA id gh17-20020a0568703b1100b001fb36f71f3csm1172481oab.31.2023.12.04.16.24.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Dec 2023 16:24:12 -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 v4 4/4] riscv: dts: add clock generator for Sophgo SG2042 SoC Date: Tue, 5 Dec 2023 08:24:05 +0800 Message-Id: <8ca06f77efaee132c2145a4a09fa18f4ee17ce88.1701734442.git.unicorn_wang@outlook.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-clk@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..ecc7758073af 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>; + 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";