From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 20C221863 for ; Wed, 28 Dec 2022 15:02:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9E8E6C433D2; Wed, 28 Dec 2022 15:02:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672239762; bh=QKQhX1psIxlBPogiPxu1D8wYuaKcSXNfACdGTVtWaj8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IeI+XCJgYryYkpmcWQE9xj1qPAGA2jxKZeBs5YzGavAtC/z51vGWzIHw/qIJBzF7m MiMsakJkrE+G3o27MaUM8aRKXvZABRvd0klZuIyG4s3tGnuikXg+1Oc+dRstlwk3ZY DIW8JcRNVW/ElSZRbNOzIN8ejQA50ByKDTDB1szM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Geert Uytterhoeven , Wolfram Sang , Sasha Levin Subject: [PATCH 6.1 0040/1146] arm64: dts: renesas: r8a779f0: Fix HSCIF "brg_int" clock Date: Wed, 28 Dec 2022 15:26:19 +0100 Message-Id: <20221228144331.253240084@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221228144330.180012208@linuxfoundation.org> References: <20221228144330.180012208@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Wolfram Sang [ Upstream commit a5101ef18b4d0751588f61d939694bad183cc240 ] As serial communication requires a clean clock signal, the High Speed Serial Communication Interfaces with FIFO (HSCIF) are clocked by a clock that is not affected by Spread Spectrum or Fractional Multiplication. Hence change the clock input for the HSCIF Baud Rate Generator internal clock from the S0D3_PER clock to the SASYNCPERD1 clock (which has the same clock rate), cfr. R-Car S4-8 Hardware User's Manual rev. 0.81. Fixes: 01a787f78bfd ("arm64: dts: renesas: r8a779f0: Add HSCIF nodes") Reported-by: Geert Uytterhoeven Signed-off-by: Wolfram Sang Link: https://lore.kernel.org/r/20221103143440.46449-4-wsa+renesas@sang-engineering.com Signed-off-by: Geert Uytterhoeven Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/renesas/r8a779f0.dtsi | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/renesas/r8a779f0.dtsi b/arch/arm64/boot/dts/renesas/r8a779f0.dtsi index c2f152bcf10e..3be577dc9a93 100644 --- a/arch/arm64/boot/dts/renesas/r8a779f0.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a779f0.dtsi @@ -577,7 +577,7 @@ hscif0: serial@e6540000 { reg = <0 0xe6540000 0 0x60>; interrupts = ; clocks = <&cpg CPG_MOD 514>, - <&cpg CPG_CORE R8A779F0_CLK_S0D3>, + <&cpg CPG_CORE R8A779F0_CLK_SASYNCPERD1>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac0 0x31>, <&dmac0 0x30>, @@ -594,7 +594,7 @@ hscif1: serial@e6550000 { reg = <0 0xe6550000 0 0x60>; interrupts = ; clocks = <&cpg CPG_MOD 515>, - <&cpg CPG_CORE R8A779F0_CLK_S0D3>, + <&cpg CPG_CORE R8A779F0_CLK_SASYNCPERD1>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac0 0x33>, <&dmac0 0x32>, @@ -611,7 +611,7 @@ hscif2: serial@e6560000 { reg = <0 0xe6560000 0 0x60>; interrupts = ; clocks = <&cpg CPG_MOD 516>, - <&cpg CPG_CORE R8A779F0_CLK_S0D3>, + <&cpg CPG_CORE R8A779F0_CLK_SASYNCPERD1>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac0 0x35>, <&dmac0 0x34>, @@ -628,7 +628,7 @@ hscif3: serial@e66a0000 { reg = <0 0xe66a0000 0 0x60>; interrupts = ; clocks = <&cpg CPG_MOD 517>, - <&cpg CPG_CORE R8A779F0_CLK_S0D3>, + <&cpg CPG_CORE R8A779F0_CLK_SASYNCPERD1>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac0 0x37>, <&dmac0 0x36>, -- 2.35.1