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charset="utf-8" From: Ng Tze Yee Stratix 10 devkit support a separate eMMC daughter card. Add compatible string for the Stratix 10 SoCDK eMMC daughter board with "altr,socfpga-stratix10-socdk" as a fallback, since this variant is based on the standard SoCDK board. Signed-off-by: Ng Tze Yee Acked-by: Krzysztof Kozlowski --- Changes in v2: - Added fallback compatible string "altr,socfpga-stratix10-socdk" in the binding documentation for broader compatibility --- Documentation/devicetree/bindings/arm/altera.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/altera.yaml b/Documentat= ion/devicetree/bindings/arm/altera.yaml index db61537b7115..2097f6a524c8 100644 --- a/Documentation/devicetree/bindings/arm/altera.yaml +++ b/Documentation/devicetree/bindings/arm/altera.yaml @@ -81,6 +81,12 @@ properties: - altr,socfpga-stratix10-swvp - const: altr,socfpga-stratix10 =20 + - description: Stratix 10 SoCDK eMMC variant + items: + - const: altr,socfpga-stratix10-socdk-emmc + - const: altr,socfpga-stratix10-socdk + - const: altr,socfpga-stratix10 + - description: SoCFPGA VT items: - const: altr,socfpga-vt --=20 2.25.1 From nobody Sat Feb 7 17:54:54 2026 Received: from SN4PR0501CU005.outbound.protection.outlook.com (mail-southcentralusazon11011064.outbound.protection.outlook.com [40.93.194.64]) (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 E151837F8CF; 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charset="utf-8" From: Ng Tze Yee The Stratix10 devkit supports a separate eMMC daughter card. The eMMC daughter card replaces the SDMMC slot that is on the default daughter card and thus requires a separate board dts file. Signed-off-by: Ng Tze Yee --- Changes in v3: - Refactored socfpga_stratix10_socdk.dts to use socfpga_stratix10_socdk.dtsi for common board configurations, eliminating code duplication - Moved gmac2 and i2c2 nodes from socfpga_stratix10_socdk.dtsi back to socfpga_stratix10_socdk_emmc.dts as they are specific to the eMMC daughter board variant and not common to all Stratix 10 SoCDK boards - Fixed PHY address in socfpga_stratix10_socdk.dts from @0 to @4 Changes in v2: - Introduced socfpga_stratix10_socdk.dtsi for common board settings - Updated socfpga_stratix10_socdk_emmc.dts to include the new dtsi - Added fallback compatible string "altr,socfpga-stratix10-socdk" in the socfpga_stratix10_socdk_emmc.dts --- arch/arm64/boot/dts/altera/Makefile | 1 + .../dts/altera/socfpga_stratix10_socdk.dts | 67 +-------------- .../dts/altera/socfpga_stratix10_socdk.dtsi | 71 ++++++++++++++++ .../altera/socfpga_stratix10_socdk_emmc.dts | 81 +++++++++++++++++++ 4 files changed, 155 insertions(+), 65 deletions(-) create mode 100644 arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dtsi create mode 100644 arch/arm64/boot/dts/altera/socfpga_stratix10_socdk_emmc= .dts diff --git a/arch/arm64/boot/dts/altera/Makefile b/arch/arm64/boot/dts/alte= ra/Makefile index 1bf0c472f6b4..540bb5ae746b 100644 --- a/arch/arm64/boot/dts/altera/Makefile +++ b/arch/arm64/boot/dts/altera/Makefile @@ -1,4 +1,5 @@ # SPDX-License-Identifier: GPL-2.0-only dtb-$(CONFIG_ARCH_INTEL_SOCFPGA) +=3D socfpga_stratix10_socdk.dtb \ + socfpga_stratix10_socdk_emmc.dtb \ socfpga_stratix10_socdk_nand.dtb \ socfpga_stratix10_swvp.dtb diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts b/arch/= arm64/boot/dts/altera/socfpga_stratix10_socdk.dts index 58f776e411fc..fab46d007dbe 100644 --- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts @@ -3,53 +3,11 @@ * Copyright Altera Corporation (C) 2015. All rights reserved. */ =20 -#include "socfpga_stratix10.dtsi" +#include "socfpga_stratix10_socdk.dtsi" =20 / { model =3D "SoCFPGA Stratix 10 SoCDK"; compatible =3D "altr,socfpga-stratix10-socdk", "altr,socfpga-stratix10"; - - aliases { - serial0 =3D &uart0; - ethernet0 =3D &gmac0; - ethernet1 =3D &gmac1; - ethernet2 =3D &gmac2; - }; - - chosen { - stdout-path =3D "serial0:115200n8"; - }; - - leds { - compatible =3D "gpio-leds"; - led-hps0 { - label =3D "hps_led0"; - gpios =3D <&portb 20 GPIO_ACTIVE_HIGH>; - }; - - led-hps1 { - label =3D "hps_led1"; - gpios =3D <&portb 19 GPIO_ACTIVE_HIGH>; - }; - - led-hps2 { - label =3D "hps_led2"; - gpios =3D <&portb 21 GPIO_ACTIVE_HIGH>; - }; - }; - - memory@80000000 { - device_type =3D "memory"; - /* We expect the bootloader to fill in the reg */ - reg =3D <0 0x80000000 0 0>; - }; - - ref_033v: regulator-v-ref { - compatible =3D "regulator-fixed"; - regulator-name =3D "0.33V"; - regulator-min-microvolt =3D <330000>; - regulator-max-microvolt =3D <330000>; - }; }; =20 &pinctrl0 { @@ -68,10 +26,6 @@ i2c1_pmx_func_gpio: i2c1-pmx-func-gpio-pins { }; }; =20 -&gpio1 { - status =3D "okay"; -}; - &gmac0 { status =3D "okay"; phy-mode =3D "rgmii"; @@ -83,7 +37,7 @@ mdio0 { #address-cells =3D <1>; #size-cells =3D <0>; compatible =3D "snps,dwmac-mdio"; - phy0: ethernet-phy@0 { + phy0: ethernet-phy@4 { reg =3D <4>; =20 txd0-skew-ps =3D <0>; /* -420ps */ @@ -111,23 +65,6 @@ &mmc { clk-phase-sd-hs =3D <0>, <135>; }; =20 -&osc1 { - clock-frequency =3D <25000000>; -}; - -&uart0 { - status =3D "okay"; -}; - -&usb0 { - status =3D "okay"; - disable-over-current; -}; - -&watchdog0 { - status =3D "okay"; -}; - &i2c1 { status =3D "okay"; clock-frequency =3D <100000>; diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dtsi b/arch= /arm64/boot/dts/altera/socfpga_stratix10_socdk.dtsi new file mode 100644 index 000000000000..1d50f7b21160 --- /dev/null +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dtsi @@ -0,0 +1,71 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright Altera Corporation (C) 2026. All rights reserved. + */ + +#include "socfpga_stratix10.dtsi" + +/ { + aliases { + serial0 =3D &uart0; + ethernet0 =3D &gmac0; + ethernet1 =3D &gmac1; + ethernet2 =3D &gmac2; + }; + + chosen { + stdout-path =3D "serial0:115200n8"; + }; + + leds { + compatible =3D "gpio-leds"; + led-hps0 { + label =3D "hps_led0"; + gpios =3D <&portb 20 GPIO_ACTIVE_HIGH>; + }; + + led-hps1 { + label =3D "hps_led1"; + gpios =3D <&portb 19 GPIO_ACTIVE_HIGH>; + }; + + led-hps2 { + label =3D "hps_led2"; + gpios =3D <&portb 21 GPIO_ACTIVE_HIGH>; + }; + }; + + memory@80000000 { + device_type =3D "memory"; + /* We expect the bootloader to fill in the reg */ + reg =3D <0 0x80000000 0 0>; + }; + + ref_033v: regulator-0v33-ref { + compatible =3D "regulator-fixed"; + regulator-name =3D "0.33V"; + regulator-min-microvolt =3D <330000>; + regulator-max-microvolt =3D <330000>; + }; +}; + +&gpio1 { + status =3D "okay"; +}; + +&osc1 { + clock-frequency =3D <25000000>; +}; + +&uart0 { + status =3D "okay"; +}; + +&usb0 { + status =3D "okay"; + disable-over-current; +}; + +&watchdog0 { + status =3D "okay"; +}; diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk_emmc.dts b/= arch/arm64/boot/dts/altera/socfpga_stratix10_socdk_emmc.dts new file mode 100644 index 000000000000..b2a3449638dd --- /dev/null +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk_emmc.dts @@ -0,0 +1,81 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright Altera Corporation (C) 2026. All rights reserved. + */ + +#include "socfpga_stratix10_socdk.dtsi" + +/ { + model =3D "SoCFPGA Stratix 10 SoCDK eMMC daughter board"; + compatible =3D "altr,socfpga-stratix10-socdk-emmc", + "altr,socfpga-stratix10-socdk", + "altr,socfpga-stratix10"; +}; + +&gmac2 { + status =3D "okay"; + /* PHY delays is configured via skew properties */ + phy-mode =3D "rgmii"; + phy-handle =3D <&phy0>; + + max-frame-size =3D <9000>; + + mdio0 { + #address-cells =3D <1>; + #size-cells =3D <0>; + compatible =3D "snps,dwmac-mdio"; + phy0: ethernet-phy@4 { + reg =3D <4>; + + txd0-skew-ps =3D <0>; /* -420ps */ + txd1-skew-ps =3D <0>; /* -420ps */ + txd2-skew-ps =3D <0>; /* -420ps */ + txd3-skew-ps =3D <0>; /* -420ps */ + rxd0-skew-ps =3D <420>; /* 0ps */ + rxd1-skew-ps =3D <420>; /* 0ps */ + rxd2-skew-ps =3D <420>; /* 0ps */ + rxd3-skew-ps =3D <420>; /* 0ps */ + txen-skew-ps =3D <0>; /* -420ps */ + txc-skew-ps =3D <900>; /* 0ps */ + rxdv-skew-ps =3D <420>; /* 0ps */ + rxc-skew-ps =3D <1680>; /* 780ps */ + }; + }; +}; + +&mmc { + status =3D "okay"; + cap-mmc-highspeed; + broken-cd; + bus-width =3D <4>; + clk-phase-sd-hs =3D <0>, <135>; +}; + +&i2c2 { + status =3D "okay"; + clock-frequency =3D <100000>; + i2c-sda-falling-time-ns =3D <890>; /* hcnt */ + i2c-scl-falling-time-ns =3D <890>; /* lcnt */ + + adc@14 { + compatible =3D "lltc,ltc2497"; + reg =3D <0x14>; + vref-supply =3D <&ref_033v>; + }; + + temp@4c { + compatible =3D "maxim,max1619"; + reg =3D <0x4c>; + }; + + eeprom@51 { + compatible =3D "atmel,24c32"; + reg =3D <0x51>; + pagesize =3D <32>; + }; + + rtc@68 { + compatible =3D "dallas,ds1339"; + reg =3D <0x68>; + }; +}; --=20 2.25.1