From: Wolfram Sang Date: Thu, 3 Nov 2022 14:34:39 +0000 (+0100) Subject: arm64: dts: renesas: r8a779f0: Fix HSCIF "brg_int" clock X-Git-Tag: v6.1.8~1921 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e4d95cd9fb1537a139cac63f07a509b80c065c11;p=platform%2Fkernel%2Flinux-starfive.git arm64: dts: renesas: r8a779f0: Fix HSCIF "brg_int" clock [ 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 --- 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 @@ 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 @@ 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 @@ 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 @@ 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>,