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Fri, 04 Jul 2025 07:08:32 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Magnus Damm , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH v2 4/4] arm64: dts: renesas: r9a09g057h44-rzv2h-evk: Enable serial NOR FLASH Date: Fri, 4 Jul 2025 15:08:23 +0100 Message-ID: <20250704140823.163572-5-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250704140823.163572-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20250704140823.163572-1-prabhakar.mahadev-lad.rj@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: Lad Prabhakar Enable MT25QU512ABB8E12 FLASH connected to XSPI. Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- .../dts/renesas/r9a09g057h44-rzv2h-evk.dts | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts b/arch/= arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts index 886ce31c1674..ae90d59d6015 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts +++ b/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts @@ -370,6 +370,18 @@ vbus { pinmux =3D ; /* VBUS */ }; }; + + xspi_pins: xspi0 { + ctrl { + pins =3D "XSPI0_RESET0N", "XSPI0_CS0N", "XSPI0_CKP"; + output-enable; + }; + + io { + pins =3D "XSPI0_IO0", "XSPI0_IO1", "XSPI0_IO2", "XSPI0_IO3"; + renesas,output-impedance =3D <3>; + }; + }; }; =20 &qextal_clk { @@ -424,3 +436,46 @@ &usb2_phy1 { &wdt1 { status =3D "okay"; }; + +&xspi { + pinctrl-0 =3D <&xspi_pins>; + pinctrl-names =3D "default"; + /* + * MT25QU512ABB8E12 flash chip is capable of running at 166MHz + * clock frequency. Set the maximum clock frequency to 133MHz + * supported by the RZ/V2H SoC. + */ + assigned-clocks =3D <&cpg CPG_CORE R9A09G057_SPI_CLK_SPI>; + assigned-clock-rates =3D <133333334>; + status =3D "okay"; + + flash@0 { + compatible =3D "jedec,spi-nor"; + reg =3D <0>; + vcc-supply =3D <®_1p8v>; + m25p,fast-read; + spi-tx-bus-width =3D <4>; + spi-rx-bus-width =3D <4>; + + partitions { + compatible =3D "fixed-partitions"; + #address-cells =3D <1>; + #size-cells =3D <1>; + + partition@0 { + label =3D "bl2"; + reg =3D <0x00000000 0x00060000>; + }; + + partition@60000 { + label =3D "fip"; + reg =3D <0x00060000 0x1fa0000>; + }; + + partition@2000000 { + label =3D "user"; + reg =3D <0x2000000 0x2000000>; + }; + }; + }; +}; --=20 2.49.0