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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82cf9b6113dsm5202251b3a.23.2026.04.03.04.27.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Apr 2026 04:27:35 -0700 (PDT) From: phucduc.bui@gmail.com To: kuninori.morimoto.gx@renesas.com, broonie@kernel.org Cc: lgirdwood@gmail.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, geert+renesas@glider.be, magnus.damm@gmail.com, perex@perex.cz, tiwai@suse.com, linux-sound@vger.kernel.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, bui duc phuc Subject: [PATCH 2/3] arm: dts: renesas: r8a7740-armadillo800eva: Add spu clock to FSI Date: Fri, 3 Apr 2026 18:26:54 +0700 Message-ID: <20260403112655.167593-3-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260403112655.167593-1-phucduc.bui@gmail.com> References: <20260403112655.167593-1-phucduc.bui@gmail.com> Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc The FSI on r8a7740 requires the SPU clock to be enabled before accessing its registers. Without this clock, register access may lead to a system hang. Describe the "spu" clock in the FSI node. Signed-off-by: bui duc phuc --- arch/arm/boot/dts/renesas/r8a7740.dtsi | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/renesas/r8a7740.dtsi b/arch/arm/boot/dts/renesas/r8a7740.dtsi index d13ab86c3ab4..9cae87a1979c 100644 --- a/arch/arm/boot/dts/renesas/r8a7740.dtsi +++ b/arch/arm/boot/dts/renesas/r8a7740.dtsi @@ -393,7 +393,8 @@ sh_fsi2: sound@fe1f0000 { compatible = "renesas,fsi2-r8a7740", "renesas,sh_fsi2"; reg = <0xfe1f0000 0x400>; interrupts = ; - clocks = <&mstp3_clks R8A7740_CLK_FSI>; + clocks = <&mstp3_clks R8A7740_CLK_FSI>, <&spu_clk>; + clock-names = "fsi", "spu"; power-domains = <&pd_a4mp>; status = "disabled"; }; -- 2.43.0