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01 Jul 2025 11:28:13 +0200 X-CheckPoint: {6863AA2D-7-ABFC28F4-D6731B76} X-MAIL-CPID: 1F1760676F1FD6B864D31B9984EE8645_5 X-Control-Analysis: str=0001.0A006370.6863AA54.0046,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id CB77916AFA8; Tue, 1 Jul 2025 11:28:07 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ew.tq-group.com; s=dkim; t=1751362088; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=El0njB9QkMGVFRshxMbajamTSfz0oZTddg/R/RGwV9k=; b=SVDMR+lOaUcf3oyASPFD1CmRQwfXLjQ5VrKgrNYJRRQW0kqIaT4ZvvRwBCVvciNuFiF0yp 5jJFO7JmRmhP+eRD/4kdJGqOUe0Ss8t47mjttec9DibDXU7BCty+xwDDWfrYsmfyp4DQ6V D4kp42bB8bZwQPUeNx4gZAHUulfbXk1y5MrgkAk20Vkvwsb9JjS/CeVScYJKO86SGOhkDw SdpTLKIOv3hr8Xzs+0nk+E43KXeZy610y3Yz+Dtz3fzyfqVqHDUXdvFAgy5pC5PVN0F5FE waAUnxYR2IsB0HMHHqSH5VM8YbwAdS+QOeeON/bXntcKgROBmcASAEoGTZuaTA== From: Alexander Stein To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Abel Vesa , Frank Li , Peng Fan Cc: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Abel Vesa , Peng Fan Subject: Re: [PATCH 5/5] arm64: dts: imx943: Add LVDS/DISPLAY CSR nodes Date: Tue, 01 Jul 2025 11:28:07 +0200 Message-ID: <2791534.mvXUDI8C0e@steina-w> Organization: TQ-Systems GmbH In-Reply-To: <20250701-imx95-blk-ctl-7-1-v1-5-00db23bd8876@nxp.com> References: <20250701-imx95-blk-ctl-7-1-v1-0-00db23bd8876@nxp.com> <20250701-imx95-blk-ctl-7-1-v1-5-00db23bd8876@nxp.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250701_102817_397679_91CB2675 X-CRM114-Status: GOOD ( 12.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, Am Dienstag, 1. Juli 2025, 09:04:41 CEST schrieb Peng Fan: > Add nodes for LVDS/DISPLAY CSR. >=20 > Add ldb_pll_div7 node which is used for clock source of DISPLAY CSR. >=20 > Signed-off-by: Peng Fan > --- > arch/arm64/boot/dts/freescale/imx943.dtsi | 34 +++++++++++++++++++++++++= ++++++ > 1 file changed, 34 insertions(+) >=20 > diff --git a/arch/arm64/boot/dts/freescale/imx943.dtsi b/arch/arm64/boot/= dts/freescale/imx943.dtsi > index 45b8da758e87771c0775eb799ce2da3aac37c060..cf67dba21e4f6f27fff7e5d29= 744086e4ec9c021 100644 > --- a/arch/arm64/boot/dts/freescale/imx943.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx943.dtsi Why is this specific to imx943 but not imx94? What is the difference anyway? Best regards Alexander > @@ -3,6 +3,8 @@ > * Copyright 2025 NXP > */ > =20 > +#include > + > #include "imx94.dtsi" > =20 > / { > @@ -145,4 +147,36 @@ l3_cache: l3-cache { > cache-unified; > }; > }; > + > + ldb_pll_pixel: ldb_pll_div7 { > + compatible =3D "fixed-factor-clock"; > + #clock-cells =3D <0>; > + clocks =3D <&scmi_clk IMX94_CLK_LDBPLL>; > + clock-div =3D <7>; > + clock-mult =3D <1>; > + clock-output-names =3D "ldb_pll_div7"; > + }; > + > + soc { > + dispmix_csr: syscon@4b010000 { > + compatible =3D "nxp,imx94-display-csr", "syscon"; > + reg =3D <0x0 0x4b010000 0x0 0x10000>; > + clocks =3D <&scmi_clk IMX94_CLK_DISPAPB>; > + #clock-cells =3D <1>; > + power-domains =3D <&scmi_devpd IMX94_PD_DISPLAY>; > + assigned-clocks =3D <&scmi_clk IMX94_CLK_DISPAXI>, > + <&scmi_clk IMX94_CLK_DISPAPB>; > + assigned-clock-parents =3D <&scmi_clk IMX94_CLK_SYSPLL1_PFD1>, > + <&scmi_clk IMX94_CLK_SYSPLL1_PFD1_DIV2>; > + assigned-clock-rates =3D <400000000>, <133333333>; > + }; > + > + lvds_csr: syscon@4b0c0000 { > + compatible =3D "nxp,imx94-lvds-csr", "syscon"; > + reg =3D <0x0 0x4b0c0000 0x0 0x10000>; > + clocks =3D <&scmi_clk IMX94_CLK_DISPAPB>; > + #clock-cells =3D <1>; > + power-domains =3D <&scmi_devpd IMX94_PD_DISPLAY>; > + }; > + }; > }; >=20 >=20 =2D-=20 TQ-Systems GmbH | M=FChlstra=DFe 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht M=FCnchen, HRB 105018 Gesch=E4ftsf=FChrer: Detlef Schneider, R=FCdiger Stahl, Stefan Schneider http://www.tq-group.com/