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[86.58.6.171]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45e3a91504fsm20727255e9.13.2025.09.11.11.46.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Sep 2025 11:46:04 -0700 (PDT) From: Jernej =?UTF-8?B?xaBrcmFiZWM=?= To: Stephen Boyd , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Chen-Yu Tsai Cc: Andre Przywara , linux-sunxi@lists.linux.dev, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 6/7] arm64: dts: allwinner: a523: Add MCU PRCM CCU node Date: Thu, 11 Sep 2025 20:46:03 +0200 Message-ID: <2380002.ElGaqSPkdT@jernej-laptop> In-Reply-To: <20250911174710.3149589-7-wens@kernel.org> References: <20250911174710.3149589-1-wens@kernel.org> <20250911174710.3149589-7-wens@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Dne =C4=8Detrtek, 11. september 2025 ob 19:47:09 Srednjeevropski poletni = =C4=8Das je Chen-Yu Tsai napisal(a): > From: Chen-Yu Tsai >=20 > Add a device node for the third supported clock controller found in the > A523 / T527 SoCs. This controller has clocks and resets for the RISC-V > MCU, and others peripherals possibly meant to operate in low power mode > driven by the MCU, such as audio interfaces, an audio DSP, and the NPU. >=20 > Reviewed-by: Andre Przywara > Signed-off-by: Chen-Yu Tsai Reviewed-by: Jernej Skrabec Best regards, Jernej > --- > Changes since v1: > - Enlarged MCU PRCM register range to 0x200 > - Moved "r-ahb" clock to the end of the list and added "r-apb0" clock > --- > .../arm64/boot/dts/allwinner/sun55i-a523.dtsi | 27 +++++++++++++++++++ > 1 file changed, 27 insertions(+) >=20 > diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/= boot/dts/allwinner/sun55i-a523.dtsi > index 79bd9ce08c7c..f93376372aba 100644 > --- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi > +++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi > @@ -4,8 +4,10 @@ > #include > #include > #include > +#include > #include > #include > +#include > #include > #include > #include > @@ -825,6 +827,31 @@ rtc: rtc@7090000 { > clock-names =3D "bus", "hosc", "ahb"; > #clock-cells =3D <1>; > }; > + > + mcu_ccu: clock-controller@7102000 { > + compatible =3D "allwinner,sun55i-a523-mcu-ccu"; > + reg =3D <0x7102000 0x200>; > + clocks =3D <&osc24M>, > + <&rtc CLK_OSC32K>, > + <&rtc CLK_IOSC>, > + <&ccu CLK_PLL_AUDIO0_4X>, > + <&ccu CLK_PLL_PERIPH0_300M>, > + <&ccu CLK_DSP>, > + <&ccu CLK_MBUS>, > + <&r_ccu CLK_R_AHB>, > + <&r_ccu CLK_R_APB0>; > + clock-names =3D "hosc", > + "losc", > + "iosc", > + "pll-audio0-4x", > + "pll-periph0-300m", > + "dsp", > + "mbus", > + "r-ahb", > + "r-apb0"; > + #clock-cells =3D <1>; > + #reset-cells =3D <1>; > + }; > }; > =20 > thermal-zones { >=20