From nobody Sun Dec 14 19:19:41 2025 Received: from smtp.gentoo.org (woodpecker.gentoo.org [140.211.166.183]) (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 B23DD13EFF3; Sat, 19 Apr 2025 03:33:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=140.211.166.183 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745033585; cv=none; b=WEqq8grOKDi3imB4zpU4Vwq3z7gEFOCNVl2njwn5JfMqYT4z16juEDiolJta6NnA7nRk+mLIM1OWeKDDSpzM6nSmssIa+yevx1JU0LI591iTOWTJ+BuBP+STOo24TQWWzZQDTWVgqjqIlCZtu12213jAjVpmB/DJSdRsQjs9Ugs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745033585; c=relaxed/simple; bh=qG33W8pZh9cohXq8CNvMyPhQr05ENy2yUo6n0wyKswk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=mtKF/3Vlt1fvM53hg+cOjKQKPBaZ6U2ImQkwcnKyzHd7hUtn6lSOyTU4RmhCSfifOMZILC5dWiteek4X14hN1mbHxkgeeA72Sr9lN7En20UVfXow11p1UwCG+WuqeNy64LTwsrsxP+ZviRghZ2s1ENcluFm3+2r6KQ0eCZ9UozE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org; spf=pass smtp.mailfrom=gentoo.org; arc=none smtp.client-ip=140.211.166.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gentoo.org Received: from [127.0.0.1] (unknown [116.232.27.72]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dlan) by smtp.gentoo.org (Postfix) with ESMTPSA id 18798342FFE; Sat, 19 Apr 2025 03:32:56 +0000 (UTC) From: Yixun Lan Date: Sat, 19 Apr 2025 11:32:31 +0800 Subject: [PATCH 2/2] riscv: dts: spacemit: Acquire clocks for UART Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250419-05-dts-clock-v1-2-1cce5d59aba2@gentoo.org> References: <20250419-05-dts-clock-v1-0-1cce5d59aba2@gentoo.org> In-Reply-To: <20250419-05-dts-clock-v1-0-1cce5d59aba2@gentoo.org> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: Alex Elder , Haylen Chu , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Yixun Lan X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=4275; i=dlan@gentoo.org; h=from:subject:message-id; bh=qG33W8pZh9cohXq8CNvMyPhQr05ENy2yUo6n0wyKswk=; b=owEBzQIy/ZANAwAKATGq6kdZTbvtAcsmYgBoAxla/CuSzJaQd3efb8dgbHtSmb3zQpqQCiCBL CBemk1p3raJApMEAAEKAH0WIQS1urjJwxtxFWcCI9wxqupHWU277QUCaAMZWl8UgAAAAAAuAChp c3N1ZXItZnByQG5vdGF0aW9ucy5vcGVucGdwLmZpZnRoaG9yc2VtYW4ubmV0QjVCQUI4QzlDMzF CNzExNTY3MDIyM0RDMzFBQUVBNDc1OTREQkJFRAAKCRAxqupHWU277Y8uD/0aDEL9y1ipWFny2s Q/8scp0VWSTj7mU1DwAhO65jJ3yS9eYJChvJasDXDZukcMrHXxCMXTo5NEL+x0dTAd67TehU9Cb KogxfclpbSgkCHrQe0MTxrByjFd9DUHXU5i4a67KmT4exYcl1D4BbJKXS/1KU1n/68GYgZ4YApr cZkMd6T0gkY/jdrUF2VWCilp0iabpPhFMLcHjTzALtsfjJMb/24ZVwdyDUO2c5nWx3qDeaxVbf7 0J7uWfTCamGpWePfnjQfl163ZjzLIcpfzsyGCQ+ctoAOdEwnHiLNyQXhyMqdbZAOZ5WBgL6kpq3 zo88xoGGNvjj1Th9ECoHAcBGs/Uz1Cqy3ngtarlaBL+d4jI/sJb71r8PdWp6EFzwmWLZ+leM1s6 vNL+U/jH0kFkwkmq+xjj0Ve6vjRAO+LDIYGz0V5J4D2sDmiu3ykgaTO2U5n7+3Y04PFCGbPw0fE MCX686u7nxNoJUFr29tY5zRsTN5TmjhGCa+kQGw8SOavaF8JrIQYaHDvNu6bwFyDm06YZmVOrT1 qVVhWDniWCAD1qZ1Hmof1kknBWbF1bGJ5qGsu5mrFtgbftllfTMGc0lFsUk6AAUgaTt1VTckHT8 Mlog5Mqv6LGA71hkoOBziQvFKNxrXO/I4MbKZCvULP6+ECXSogvynude9N9/yISgzBhA== X-Developer-Key: i=dlan@gentoo.org; a=openpgp; fpr=50B03A1A5CBCD33576EF8CD7920C0DBCAABEFD55 The K1 SoC features two clocks for UART controller, Acquire them explicitly in the driver. Signed-off-by: Yixun Lan Reviewed-by: Alex Elder --- arch/riscv/boot/dts/spacemit/k1.dtsi | 36 +++++++++++++++++++++++++++-----= ---- 1 file changed, 27 insertions(+), 9 deletions(-) diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spa= cemit/k1.dtsi index 153fd1160182b42fe1a2f7f042c9c1da90f63b0c..415e1c3e1c78db987cbb65759ad= c26e98aaa24d3 100644 --- a/arch/riscv/boot/dts/spacemit/k1.dtsi +++ b/arch/riscv/boot/dts/spacemit/k1.dtsi @@ -360,8 +360,10 @@ syscon_apbc: system-control@d4015000 { uart0: serial@d4017000 { compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; reg =3D <0x0 0xd4017000 0x0 0x100>; + clocks =3D <&syscon_apbc CLK_UART0>, + <&syscon_apbc CLK_UART0_BUS>; + clock-names =3D "core", "bus"; interrupts =3D <42>; - clock-frequency =3D <14857000>; reg-shift =3D <2>; reg-io-width =3D <4>; status =3D "disabled"; @@ -370,8 +372,10 @@ uart0: serial@d4017000 { uart2: serial@d4017100 { compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; reg =3D <0x0 0xd4017100 0x0 0x100>; + clocks =3D <&syscon_apbc CLK_UART2>, + <&syscon_apbc CLK_UART2_BUS>; + clock-names =3D "core", "bus"; interrupts =3D <44>; - clock-frequency =3D <14857000>; reg-shift =3D <2>; reg-io-width =3D <4>; status =3D "disabled"; @@ -380,8 +384,10 @@ uart2: serial@d4017100 { uart3: serial@d4017200 { compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; reg =3D <0x0 0xd4017200 0x0 0x100>; + clocks =3D <&syscon_apbc CLK_UART3>, + <&syscon_apbc CLK_UART3_BUS>; + clock-names =3D "core", "bus"; interrupts =3D <45>; - clock-frequency =3D <14857000>; reg-shift =3D <2>; reg-io-width =3D <4>; status =3D "disabled"; @@ -390,8 +396,10 @@ uart3: serial@d4017200 { uart4: serial@d4017300 { compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; reg =3D <0x0 0xd4017300 0x0 0x100>; + clocks =3D <&syscon_apbc CLK_UART4>, + <&syscon_apbc CLK_UART4_BUS>; + clock-names =3D "core", "bus"; interrupts =3D <46>; - clock-frequency =3D <14857000>; reg-shift =3D <2>; reg-io-width =3D <4>; status =3D "disabled"; @@ -400,8 +408,10 @@ uart4: serial@d4017300 { uart5: serial@d4017400 { compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; reg =3D <0x0 0xd4017400 0x0 0x100>; + clocks =3D <&syscon_apbc CLK_UART5>, + <&syscon_apbc CLK_UART5_BUS>; + clock-names =3D "core", "bus"; interrupts =3D <47>; - clock-frequency =3D <14857000>; reg-shift =3D <2>; reg-io-width =3D <4>; status =3D "disabled"; @@ -410,8 +420,10 @@ uart5: serial@d4017400 { uart6: serial@d4017500 { compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; reg =3D <0x0 0xd4017500 0x0 0x100>; + clocks =3D <&syscon_apbc CLK_UART6>, + <&syscon_apbc CLK_UART6_BUS>; + clock-names =3D "core", "bus"; interrupts =3D <48>; - clock-frequency =3D <14857000>; reg-shift =3D <2>; reg-io-width =3D <4>; status =3D "disabled"; @@ -420,8 +432,10 @@ uart6: serial@d4017500 { uart7: serial@d4017600 { compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; reg =3D <0x0 0xd4017600 0x0 0x100>; + clocks =3D <&syscon_apbc CLK_UART7>, + <&syscon_apbc CLK_UART7_BUS>; + clock-names =3D "core", "bus"; interrupts =3D <49>; - clock-frequency =3D <14857000>; reg-shift =3D <2>; reg-io-width =3D <4>; status =3D "disabled"; @@ -431,7 +445,9 @@ uart8: serial@d4017700 { compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; reg =3D <0x0 0xd4017700 0x0 0x100>; interrupts =3D <50>; - clock-frequency =3D <14857000>; + clocks =3D <&syscon_apbc CLK_UART8>, + <&syscon_apbc CLK_UART8_BUS>; + clock-names =3D "core", "bus"; reg-shift =3D <2>; reg-io-width =3D <4>; status =3D "disabled"; @@ -441,7 +457,9 @@ uart9: serial@d4017800 { compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; reg =3D <0x0 0xd4017800 0x0 0x100>; interrupts =3D <51>; - clock-frequency =3D <14857000>; + clocks =3D <&syscon_apbc CLK_UART9>, + <&syscon_apbc CLK_UART9_BUS>; + clock-names =3D "core", "bus"; reg-shift =3D <2>; reg-io-width =3D <4>; status =3D "disabled"; --=20 2.49.0