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Thu, 28 May 2026 00:46:18 -0700 (PDT) From: Biju X-Google-Original-From: Biju To: Geert Uytterhoeven , Magnus Damm , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Biju Das , linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar Mahadev Lad , Biju Das Subject: [PATCH v2 1/2] arm64: dts: renesas: rzg3l-smarc-som: Enable versa clock generator Date: Thu, 28 May 2026 08:45:44 +0100 Message-ID: <20260528074615.91110-2-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260528074615.91110-1-biju.das.jz@bp.renesas.com> References: <20260528074615.91110-1-biju.das.jz@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Biju Das The RZ/G3L SMARC SoM has versa 5P35023B clock generator to generate the below clocks: ref: Not connected se1: AUDIO_MCK (11.2896 or 12.2880 MHz) se2: RZ_AUDIO_CLK_B (11.2896 MHz) se3: RZ_AUDIO_CLK_C (12.2880 MHz) diff{1,1B}: ET{0,1}_PHY_CLK (25 MHz) diff2{2,2B}: Not connected Enable versa 5P35023B clock generator on the RZ/G3L SoM DTSI. Signed-off-by: Biju Das Reviewed-by: Geert Uytterhoeven --- v1->v2: * Updated commit description with clocks arranged in clock output index order. * Dropped assigning clock rates of the unused outputs (ref and diff2). --- .../boot/dts/renesas/rzg3l-smarc-som.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi b/arch/arm64/= boot/dts/renesas/rzg3l-smarc-som.dtsi index 17bf44778398..5e58e08e7fad 100644 --- a/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi @@ -40,6 +40,12 @@ memory@48000000 { /* First 128MiB is reserved for secure area. */ reg =3D <0x0 0x48000000 0x0 0x78000000>; }; + + x2_clk: x2-clock { + compatible =3D "fixed-clock"; + #clock-cells =3D <0>; + clock-frequency =3D <24000000>; + }; }; =20 ð0 { @@ -75,6 +81,18 @@ &extal_clk { &i2c0 { pinctrl-0 =3D <&i2c0_pins>; pinctrl-names =3D "default"; + + versa3: clock-generator@68 { + compatible =3D "renesas,5p35023"; 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charset="utf-8" From: Biju Das Enable audio on RZ/G3L SMARC EVK by linking SSI0 with DA7212 audio CODEC. The SSI0 signals are multiplexed with SD2 and are selected by a switch SW_SD2_EN#. Add regulator nodes regulator-{1p8v,3p3v} to SoM DTSI for reuse with eMMC. Signed-off-by: Biju Das Reviewed-by: Geert Uytterhoeven --- v1->v2: * Added guard for snd_rzg3l with the SW_I3C_EN macro. * Sorted ssi0_pins. --- .../boot/dts/renesas/r9a08g046l48-smarc.dts | 72 +++++++++++++++++++ .../boot/dts/renesas/rzg3l-smarc-som.dtsi | 22 ++++++ 2 files changed, 94 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts b/arch/arm6= 4/boot/dts/renesas/r9a08g046l48-smarc.dts index 1512b7df39bd..32d3b08a3cf3 100644 --- a/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts +++ b/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts @@ -9,6 +9,7 @@ =20 /* Switch selection settings */ #define RZ_BOOT_MODE3 1 +#define SW_SD2_EN 0 #define SW_DPI_EN 0 #define SW_GPIO4 1 #define SW_I3C_EN 0 @@ -38,6 +39,32 @@ aliases { i2c3 =3D &i2c3; serial3 =3D &scif0; }; + +#if !SW_SD2_EN && !SW_I3C_EN + snd_rzg3l: sound { + compatible =3D "simple-audio-card"; + simple-audio-card,name =3D "snd_rzg3l"; + #address-cells =3D <1>; + #size-cells =3D <0>; + + ssi_link_play: simple-audio-card,dai-link@0 { + reg =3D <0>; + format =3D "i2s"; + bitclock-master =3D <&cpu_dai>; + frame-master =3D <&cpu_dai>; + mclk-fs =3D <256>; + + cpu_dai: cpu { + sound-dai =3D <&ssi0>; + }; + + codec_dai: codec { + sound-dai =3D <&da7212>; + clocks =3D <&versa3 1>; + }; + }; + }; +#endif }; =20 &i2c2 { @@ -53,6 +80,27 @@ &i2c3 { pinctrl-names =3D "default"; =20 status =3D "okay"; + + da7212: codec@1a { + compatible =3D "dlg,da7212"; + reg =3D <0x1a>; + + clocks =3D <&versa3 1>; + clock-names =3D "mclk"; + + #sound-dai-cells =3D <0>; + + dlg,micbias1-lvl =3D <2500>; + dlg,micbias2-lvl =3D <2500>; + dlg,dmic-data-sel =3D "lrise_rfall"; + dlg,dmic-samplephase =3D "between_clkedge"; + dlg,dmic-clkrate =3D <3000000>; + + VDDA-supply =3D <®_1p8v>; + VDDSP-supply =3D <®_3p3v>; + VDDMIC-supply =3D <®_3p3v>; + VDDIO-supply =3D <®_1p8v>; + }; }; #endif =20 @@ -71,6 +119,11 @@ &keys { }; =20 &pinctrl { + audio_clk_pins: audio-clock { + pinmux =3D , /* AUDIO_CLK_B */ + ; /* AUDIO_CLK_C */ + }; + i2c2_pins: i2c2 { pinmux =3D , /* RIIC2_SCL */ ; /* RIIC2_SDA */ @@ -85,9 +138,28 @@ scif0_pins: scif0 { pins =3D "SCIF0_TXD", "SCIF0_RXD"; power-source =3D <1800>; }; + + ssi0_pins: ssi0 { + pinmux =3D , /* SSIF0_RXD */ + , /* SSIF0_BCK */ + , /* SSIF0_RCK */ + ; /* SSIF0_TXD */ + }; }; =20 &scif0 { pinctrl-0 =3D <&scif0_pins>; pinctrl-names =3D "default"; }; + +#if !SW_SD2_EN +&ssi0 { + clocks =3D <&cpg CPG_MOD R9A08G046_SSI0_PCLK2>, + <&cpg CPG_MOD R9A08G046_SSI0_PCLK_SFR>, + <&versa3 2>, <&versa3 3>; + pinctrl-0 =3D <&audio_clk_pins>, <&ssi0_pins>; + pinctrl-names =3D "default"; + + status =3D "okay"; +}; +#endif diff --git a/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi b/arch/arm64/= boot/dts/renesas/rzg3l-smarc-som.dtsi index 5e58e08e7fad..091a227233cb 100644 --- a/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi @@ -13,6 +13,10 @@ * 0 - SMARC_I2C_GP is enabled * 1 - I3C is enabled * + * Switch position SYS.4, Macro SW_SD2_EN: + * 0 - Select I2S0 + * 1 - Select SD2 + * * Switch position SYS.5, Macro SW_DPI_EN: * 0 - Select multiple SMARC signals active * 1 - Select LCD @@ -41,6 +45,24 @@ memory@48000000 { reg =3D <0x0 0x48000000 0x0 0x78000000>; }; =20 + reg_1p8v: regulator-1p8v { + compatible =3D "regulator-fixed"; + regulator-name =3D "fixed-1.8V"; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + regulator-boot-on; + regulator-always-on; + }; + + reg_3p3v: regulator-3p3v { + compatible =3D "regulator-fixed"; + regulator-name =3D "fixed-3.3V"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + regulator-boot-on; + regulator-always-on; + }; + x2_clk: x2-clock { compatible =3D "fixed-clock"; #clock-cells =3D <0>; --=20 2.43.0