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charset="utf-8" From: "Fong, Yan Kei" Add spi-tx-bus-width and spi-rx-bus-width properties with value 4 to the n5= x=20 device tree. This update configures the SPI controller to use a 4-bit bus w= idth for both transmission and reception, potentially improving SPI throughput a= nd matching the hardware capabilities more closely. Signed-off-by: Fong, Yan Kei Reviewed-by: Khairul Anuar Romli Reviewed-by: Matthew Gerlach --- arch/arm64/boot/dts/intel/socfpga_n5x_socdk.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/intel/socfpga_n5x_socdk.dts b/arch/arm64/b= oot/dts/intel/socfpga_n5x_socdk.dts index 7952c7f47cc2..0034a4897220 100644 --- a/arch/arm64/boot/dts/intel/socfpga_n5x_socdk.dts +++ b/arch/arm64/boot/dts/intel/socfpga_n5x_socdk.dts @@ -93,6 +93,8 @@ flash@0 { cdns,tsd2d-ns =3D <50>; cdns,tchsh-ns =3D <4>; cdns,tslch-ns =3D <4>; + spi-tx-bus-width =3D <4>; + spi-rx-bus-width =3D <4>; =20 partitions { compatible =3D "fixed-partitions"; --=20 2.25.1 From nobody Thu Oct 2 20:42:07 2025 Received: from DM5PR21CU001.outbound.protection.outlook.com (mail-centralusazon11011014.outbound.protection.outlook.com [52.101.62.14]) (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 39E4E214813; 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charset="utf-8" From: "Fong, Yan Kei" Add spi-tx-bus-width and spi-rx-bus-width properties with value 4 to the stratix10 device tree. This update configures the SPI controller to use a 4= -bit bus width for both transmission and reception, potentially improving SPI throughput and matching the hardware capabilities more closely. Signed-off-by: Fong, Yan Kei Reviewed-by: Khairul Anuar Romli Reviewed-by: Matthew Gerlach --- arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts b/arch/= arm64/boot/dts/altera/socfpga_stratix10_socdk.dts index 4eee777ef1a1..6ff6ea0c6b2d 100644 --- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts @@ -190,6 +190,8 @@ flash@0 { cdns,tsd2d-ns =3D <50>; cdns,tchsh-ns =3D <4>; cdns,tslch-ns =3D <4>; + spi-tx-bus-width =3D <4>; + spi-rx-bus-width =3D <4>; =20 partitions { compatible =3D "fixed-partitions"; --=20 2.25.1 From nobody Thu Oct 2 20:42:07 2025 Received: from DM5PR21CU001.outbound.protection.outlook.com (mail-centralusazon11011016.outbound.protection.outlook.com [52.101.62.16]) (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 A23D9222581; 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charset="utf-8" From: "Fong, Yan Kei" Add spi-tx-bus-width and spi-rx-bus-width properties with value 4 to the ag= ilex device tree. This update configures the SPI controller to use a 4-bit bus w= idth for both transmission and reception, potentially improving SPI throughput a= nd matching the hardware capabilities more closely. Signed-off-by: Fong, Yan Kei Reviewed-by: Khairul Anuar Romli Reviewed-by: Matthew Gerlach --- arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts b/arch/arm6= 4/boot/dts/intel/socfpga_agilex_socdk.dts index b31cfa6b802d..9ee312bae8d2 100644 --- a/arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts +++ b/arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts @@ -116,6 +116,8 @@ flash@0 { cdns,tsd2d-ns =3D <50>; cdns,tchsh-ns =3D <4>; cdns,tslch-ns =3D <4>; + spi-tx-bus-width =3D <4>; + spi-rx-bus-width =3D <4>; =20 partitions { compatible =3D "fixed-partitions"; --=20 2.25.1 From nobody Thu Oct 2 20:42:07 2025 Received: from DM5PR21CU001.outbound.protection.outlook.com (mail-centralusazon11011066.outbound.protection.outlook.com [52.101.62.66]) (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 7AE79225417; 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charset="utf-8" From: "Fong, Yan Kei" Add spi-tx-bus-width and spi-rx-bus-width properties with value 4 to the agilex5 device tree. This update configures the SPI controller to use a 4-b= it bus width for both transmission and reception, potentially improving SPI throughput and matching the hardware capabilities more closely. Signed-off-by: Fong, Yan Kei Reviewed-by: Khairul Anuar Romli Reviewed-by: Matthew Gerlach --- arch/arm64/boot/dts/intel/socfpga_agilex5_socdk.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex5_socdk.dts b/arch/arm= 64/boot/dts/intel/socfpga_agilex5_socdk.dts index d3b913b7902c..853e260c3976 100644 --- a/arch/arm64/boot/dts/intel/socfpga_agilex5_socdk.dts +++ b/arch/arm64/boot/dts/intel/socfpga_agilex5_socdk.dts @@ -57,6 +57,8 @@ flash@0 { cdns,tsd2d-ns =3D <50>; cdns,tchsh-ns =3D <4>; cdns,tslch-ns =3D <4>; + spi-tx-bus-width =3D <4>; + spi-rx-bus-width =3D <4>; =20 partitions { compatible =3D "fixed-partitions"; --=20 2.25.1