From 460a71b5642a60574809032f0a21afff0f942474 Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Tue, 23 Sep 2025 22:02:43 +0800 Subject: [PATCH 01/11] arm64: dts: allwinner: a523: Add GMAC200 ethernet controller The A523 SoC family has a second ethernet controller, called the GMAC200. It is not exposed on all the SoCs in the family. Add a device node for it. All the hardware specific settings are from the vendor BSP. Acked-by: Jernej Skrabec Link: https://patch.msgid.link/20250923140247.2622602-4-wens@kernel.org Signed-off-by: Chen-Yu Tsai --- .../arm64/boot/dts/allwinner/sun55i-a523.dtsi | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi index 7b36c47a3a13..a9e051a8bea3 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi @@ -182,6 +182,16 @@ bias-disable; }; + rgmii1_pins: rgmii1-pins { + pins = "PJ0", "PJ1", "PJ2", "PJ3", "PJ4", + "PJ5", "PJ6", "PJ7", "PJ8", "PJ9", + "PJ11", "PJ12", "PJ13", "PJ14", "PJ15"; + allwinner,pinmux = <5>; + function = "gmac1"; + drive-strength = <40>; + bias-disable; + }; + uart0_pb_pins: uart0-pb-pins { pins = "PB9", "PB10"; allwinner,pinmux = <2>; @@ -603,6 +613,51 @@ }; }; + gmac1: ethernet@4510000 { + compatible = "allwinner,sun55i-a523-gmac200", + "snps,dwmac-4.20a"; + reg = <0x04510000 0x10000>; + clocks = <&ccu CLK_BUS_EMAC1>, <&ccu CLK_MBUS_EMAC1>; + clock-names = "stmmaceth", "mbus"; + resets = <&ccu RST_BUS_EMAC1>; + reset-names = "stmmaceth"; + interrupts = ; + interrupt-names = "macirq"; + pinctrl-names = "default"; + pinctrl-0 = <&rgmii1_pins>; + power-domains = <&pck600 PD_VO1>; + syscon = <&syscon>; + snps,fixed-burst; + snps,axi-config = <&gmac1_stmmac_axi_setup>; + snps,mtl-rx-config = <&gmac1_mtl_rx_setup>; + snps,mtl-tx-config = <&gmac1_mtl_tx_setup>; + status = "disabled"; + + mdio1: mdio { + compatible = "snps,dwmac-mdio"; + #address-cells = <1>; + #size-cells = <0>; + }; + + gmac1_mtl_rx_setup: rx-queues-config { + snps,rx-queues-to-use = <1>; + + queue0 {}; + }; + + gmac1_stmmac_axi_setup: stmmac-axi-config { + snps,wr_osr_lmt = <0xf>; + snps,rd_osr_lmt = <0xf>; + snps,blen = <256 128 64 32 16 8 4>; + }; + + gmac1_mtl_tx_setup: tx-queues-config { + snps,tx-queues-to-use = <1>; + + queue0 {}; + }; + }; + ppu: power-controller@7001400 { compatible = "allwinner,sun55i-a523-ppu"; reg = <0x07001400 0x400>; From 7076938d20d22d5f75641f417f11edeee192e3cf Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Tue, 23 Sep 2025 22:02:44 +0800 Subject: [PATCH 02/11] arm64: dts: allwinner: a527: cubie-a5e: Enable second Ethernet port On the Radxa Cubie A5E board, the second Ethernet controller, aka the GMAC200, is connected to a second external Maxio MAE0621A PHY. The PHY uses an external 25MHz crystal, and has the SoC's PJ16 pin connected to its reset pin. Enable the second Ethernet port. Also fix up the label for the existing external PHY connected to the first Ethernet port. An enable delay for the PHY supply regulator is added to make sure the PHY's internal regulators are fully powered and the PHY is operational. Acked-by: Jernej Skrabec Reviewed-by: Andrew Lunn Link: https://patch.msgid.link/20250923140247.2622602-5-wens@kernel.org Signed-off-by: Chen-Yu Tsai --- .../dts/allwinner/sun55i-a527-cubie-a5e.dts | 28 +++++++++++++++++-- 1 file changed, 26 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts b/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts index f82a8d121697..bfdf1728cd14 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts +++ b/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts @@ -14,6 +14,7 @@ aliases { ethernet0 = &gmac0; + ethernet1 = &gmac1; serial0 = &uart0; }; @@ -75,7 +76,7 @@ &gmac0 { phy-mode = "rgmii-id"; - phy-handle = <&ext_rgmii_phy>; + phy-handle = <&ext_rgmii0_phy>; phy-supply = <®_cldo3>; allwinner,tx-delay-ps = <300>; @@ -84,13 +85,24 @@ status = "okay"; }; +&gmac1 { + phy-mode = "rgmii-id"; + phy-handle = <&ext_rgmii1_phy>; + phy-supply = <®_cldo4>; + + tx-internal-delay-ps = <300>; + rx-internal-delay-ps = <400>; + + status = "okay"; +}; + &gpu { mali-supply = <®_dcdc2>; status = "okay"; }; &mdio0 { - ext_rgmii_phy: ethernet-phy@1 { + ext_rgmii0_phy: ethernet-phy@1 { compatible = "ethernet-phy-ieee802.3-c22"; reg = <1>; reset-gpios = <&pio 7 8 GPIO_ACTIVE_LOW>; /* PH8 */ @@ -99,6 +111,16 @@ }; }; +&mdio1 { + ext_rgmii1_phy: ethernet-phy@1 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <1>; + reset-gpios = <&pio 9 16 GPIO_ACTIVE_LOW>; /* PJ16 */ + reset-assert-us = <10000>; + reset-deassert-us = <150000>; + }; +}; + &mmc0 { vmmc-supply = <®_cldo3>; cd-gpios = <&pio 5 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PF6 */ @@ -250,6 +272,8 @@ regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-name = "vcc-pj-phy"; + /* enough time for the PHY to fully power on */ + regulator-enable-ramp-delay = <150000>; }; reg_cpusldo: cpusldo { From 2e5d147ba90e887271297f69721d2d88122c7c4f Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Tue, 23 Sep 2025 22:02:45 +0800 Subject: [PATCH 03/11] arm64: dts: allwinner: t527: avaota-a1: enable second Ethernet port On the Avaota A1 board, the second Ethernet controller, aka the GMAC200, is connected to a second external RTL8211F-CG PHY. The PHY uses an external 25MHz crystal, and has the SoC's PJ16 pin connected to its reset pin. Enable the second Ethernet port. Also fix up the label for the existing external PHY connected to the first Ethernet port. Acked-by: Jernej Skrabec Reviewed-by: Andrew Lunn Link: https://patch.msgid.link/20250923140247.2622602-6-wens@kernel.org Signed-off-by: Chen-Yu Tsai --- .../dts/allwinner/sun55i-t527-avaota-a1.dts | 26 +++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts index 1b054fa8ef74..054d0357c139 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts +++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts @@ -13,6 +13,7 @@ aliases { ethernet0 = &gmac0; + ethernet1 = &gmac1; serial0 = &uart0; }; @@ -73,7 +74,7 @@ &gmac0 { phy-mode = "rgmii-id"; - phy-handle = <&ext_rgmii_phy>; + phy-handle = <&ext_rgmii0_phy>; phy-supply = <®_dcdc4>; allwinner,tx-delay-ps = <100>; @@ -82,13 +83,24 @@ status = "okay"; }; +&gmac1 { + phy-mode = "rgmii-id"; + phy-handle = <&ext_rgmii1_phy>; + phy-supply = <®_dcdc4>; + + tx-internal-delay-ps = <100>; + rx-internal-delay-ps = <100>; + + status = "okay"; +}; + &gpu { mali-supply = <®_dcdc2>; status = "okay"; }; &mdio0 { - ext_rgmii_phy: ethernet-phy@1 { + ext_rgmii0_phy: ethernet-phy@1 { compatible = "ethernet-phy-ieee802.3-c22"; reg = <1>; reset-gpios = <&pio 7 8 GPIO_ACTIVE_LOW>; /* PH8 */ @@ -97,6 +109,16 @@ }; }; +&mdio1 { + ext_rgmii1_phy: ethernet-phy@1 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <1>; + reset-gpios = <&pio 9 16 GPIO_ACTIVE_LOW>; /* PJ16 */ + reset-assert-us = <10000>; + reset-deassert-us = <150000>; + }; +}; + &mmc0 { vmmc-supply = <®_cldo3>; cd-gpios = <&pio 5 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PF6 */ From a3606e8a7819534026b46e2b8c7b0e156e292f13 Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Tue, 23 Sep 2025 22:02:46 +0800 Subject: [PATCH 04/11] arm64: dts: allwinner: t527: orangepi-4a: Enable Ethernet port On the Orangepi 4A board, the second Ethernet controller, aka the GMAC200, is connected to an external Motorcomm YT8531 PHY. The PHY uses an external 25MHz crystal, has the SoC's PI15 pin connected to its reset pin, and the PI16 pin for its interrupt pin. Enable it. Acked-by: Jernej Skrabec Reviewed-by: Andrew Lunn Link: https://patch.msgid.link/20250923140247.2622602-7-wens@kernel.org Signed-off-by: Chen-Yu Tsai --- .../dts/allwinner/sun55i-t527-orangepi-4a.dts | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts index 39a4e194712a..9e6b21cf293e 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts +++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts @@ -15,6 +15,7 @@ compatible = "xunlong,orangepi-4a", "allwinner,sun55i-t527"; aliases { + ethernet0 = &gmac1; serial0 = &uart0; }; @@ -102,11 +103,33 @@ status = "okay"; }; +&gmac1 { + phy-mode = "rgmii-id"; + phy-handle = <&ext_rgmii_phy>; + phy-supply = <®_cldo4>; + + tx-internal-delay-ps = <0>; + rx-internal-delay-ps = <300>; + + status = "okay"; +}; + &gpu { mali-supply = <®_dcdc2>; status = "okay"; }; +&mdio1 { + ext_rgmii_phy: ethernet-phy@1 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <1>; + interrupts-extended = <&pio 8 16 IRQ_TYPE_LEVEL_LOW>; /* PI16 */ + reset-gpios = <&pio 8 15 GPIO_ACTIVE_LOW>; /* PI15 */ + reset-assert-us = <10000>; + reset-deassert-us = <150000>; + }; +}; + &mmc0 { vmmc-supply = <®_cldo3>; cd-gpios = <&pio 5 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PF6 */ From f55a2526317aca8ecc1b21b346dbdebbc6aad97d Mon Sep 17 00:00:00 2001 From: Richard Genoud Date: Tue, 28 Oct 2025 08:35:09 +0100 Subject: [PATCH 05/11] arm64: dts: allwinner: h616: add NAND controller The H616 has a NAND controller quite similar to the A10/A23 ones, but with some register differences, more clocks (for ECC and MBUS), more ECC strengths, so this requires a new compatible string. Add the NAND controller node and pins in the device tree. Signed-off-by: Richard Genoud Link: https://patch.msgid.link/20251028073534.526992-17-richard.genoud@bootlin.com [wens@kernel.org: Fixed alignment of clocks in nand-controller node] Signed-off-by: Chen-Yu Tsai --- .../arm64/boot/dts/allwinner/sun50i-h616.dtsi | 52 +++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi index ceedae9e399b..8d1110c14bad 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi @@ -304,6 +304,42 @@ bias-pull-up; }; + /omit-if-no-ref/ + nand_pins: nand-pins { + pins = "PC0", "PC1", "PC2", "PC5", "PC8", "PC9", + "PC10", "PC11", "PC12", "PC13", "PC14", + "PC15", "PC16"; + function = "nand0"; + }; + + /omit-if-no-ref/ + nand_cs0_pin: nand-cs0-pin { + pins = "PC4"; + function = "nand0"; + bias-pull-up; + }; + + /omit-if-no-ref/ + nand_cs1_pin: nand-cs1-pin { + pins = "PC3"; + function = "nand0"; + bias-pull-up; + }; + + /omit-if-no-ref/ + nand_rb0_pin: nand-rb0-pin { + pins = "PC6"; + function = "nand0"; + bias-pull-up; + }; + + /omit-if-no-ref/ + nand_rb1_pin: nand-rb1-pin { + pins = "PC7"; + function = "nand0"; + bias-pull-up; + }; + /omit-if-no-ref/ spi0_pins: spi0-pins { pins = "PC0", "PC2", "PC4"; @@ -377,6 +413,22 @@ #iommu-cells = <1>; }; + nfc: nand-controller@4011000 { + compatible = "allwinner,sun50i-h616-nand-controller"; + reg = <0x04011000 0x1000>; + interrupts = ; + clocks = <&ccu CLK_BUS_NAND>, <&ccu CLK_NAND0>, + <&ccu CLK_NAND1>, <&ccu CLK_MBUS_NAND>; + clock-names = "ahb", "mod", "ecc", "mbus"; + resets = <&ccu RST_BUS_NAND>; + reset-names = "ahb"; + dmas = <&dma 10>; + dma-names = "rxtx"; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + mmc0: mmc@4020000 { compatible = "allwinner,sun50i-h616-mmc", "allwinner,sun50i-a100-mmc"; From 697fbb43aba6dae48cbe5e1fa0d3023a0b12ab73 Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Mon, 27 Oct 2025 20:56:42 +0800 Subject: [PATCH 06/11] dt-bindings: dma: allwinner,sun50i-a64-dma: Add compatibles for A523 There are two DMA controllers on the A523, one in the main system area and the other for the MCU. These are the same as the one found on the A100. The only difference is the DMA endpoint (DRQ) layout. Since the number of channels and endpoints are described with additional generic properties, just add new A523-specific compatible strings and fallback to the A100 one. Acked-by: Conor Dooley Link: https://patch.msgid.link/20251027125655.793277-2-wens@kernel.org Signed-off-by: Chen-Yu Tsai --- .../devicetree/bindings/dma/allwinner,sun50i-a64-dma.yaml | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/dma/allwinner,sun50i-a64-dma.yaml b/Documentation/devicetree/bindings/dma/allwinner,sun50i-a64-dma.yaml index 0f2501f72cca..c3e14eb6cfff 100644 --- a/Documentation/devicetree/bindings/dma/allwinner,sun50i-a64-dma.yaml +++ b/Documentation/devicetree/bindings/dma/allwinner,sun50i-a64-dma.yaml @@ -29,7 +29,10 @@ properties: - const: allwinner,sun8i-r40-dma - const: allwinner,sun50i-a64-dma - items: - - const: allwinner,sun50i-h616-dma + - enum: + - allwinner,sun50i-h616-dma + - allwinner,sun55i-a523-dma + - allwinner,sun55i-a523-mcu-dma - const: allwinner,sun50i-a100-dma reg: From 55d43ef77712e3b7fd4c3db5715be1f405afe31e Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Mon, 27 Oct 2025 20:56:46 +0800 Subject: [PATCH 07/11] arm64: dts: allwinner: a523: Add DMA controller device nodes The A523 has two DMA controllers. Add device nodes for both. Also hook up DMA for existing devices. Acked-by: Jernej Skrabec Link: https://patch.msgid.link/20251027125655.793277-6-wens@kernel.org Signed-off-by: Chen-Yu Tsai --- .../arm64/boot/dts/allwinner/sun55i-a523.dtsi | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi index a9e051a8bea3..8edbd3873199 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi @@ -241,6 +241,8 @@ reg-io-width = <4>; clocks = <&ccu CLK_BUS_UART0>; resets = <&ccu RST_BUS_UART0>; + dmas = <&dma 14>, <&dma 14>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -252,6 +254,8 @@ reg-io-width = <4>; clocks = <&ccu CLK_BUS_UART1>; resets = <&ccu RST_BUS_UART1>; + dmas = <&dma 15>, <&dma 15>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -263,6 +267,8 @@ reg-io-width = <4>; clocks = <&ccu CLK_BUS_UART2>; resets = <&ccu RST_BUS_UART2>; + dmas = <&dma 16>, <&dma 16>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -274,6 +280,8 @@ reg-io-width = <4>; clocks = <&ccu CLK_BUS_UART3>; resets = <&ccu RST_BUS_UART3>; + dmas = <&dma 17>, <&dma 17>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -285,6 +293,8 @@ reg-io-width = <4>; clocks = <&ccu CLK_BUS_UART4>; resets = <&ccu RST_BUS_UART4>; + dmas = <&dma 18>, <&dma 18>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -296,6 +306,8 @@ reg-io-width = <4>; clocks = <&ccu CLK_BUS_UART5>; resets = <&ccu RST_BUS_UART5>; + dmas = <&dma 19>, <&dma 19>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -307,6 +319,8 @@ reg-io-width = <4>; clocks = <&ccu CLK_BUS_UART6>; resets = <&ccu RST_BUS_UART6>; + dmas = <&dma 20>, <&dma 20>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -318,6 +332,8 @@ reg-io-width = <4>; clocks = <&ccu CLK_BUS_UART7>; resets = <&ccu RST_BUS_UART7>; + dmas = <&dma 21>, <&dma 21>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -329,6 +345,8 @@ interrupts = ; clocks = <&ccu CLK_BUS_I2C0>; resets = <&ccu RST_BUS_I2C0>; + dmas = <&dma 43>, <&dma 43>; + dma-names = "rx", "tx"; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -342,6 +360,8 @@ interrupts = ; clocks = <&ccu CLK_BUS_I2C1>; resets = <&ccu RST_BUS_I2C1>; + dmas = <&dma 44>, <&dma 44>; + dma-names = "rx", "tx"; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -355,6 +375,8 @@ interrupts = ; clocks = <&ccu CLK_BUS_I2C2>; resets = <&ccu RST_BUS_I2C2>; + dmas = <&dma 45>, <&dma 45>; + dma-names = "rx", "tx"; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -368,6 +390,8 @@ interrupts = ; clocks = <&ccu CLK_BUS_I2C3>; resets = <&ccu RST_BUS_I2C3>; + dmas = <&dma 46>, <&dma 46>; + dma-names = "rx", "tx"; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -381,6 +405,8 @@ interrupts = ; clocks = <&ccu CLK_BUS_I2C4>; resets = <&ccu RST_BUS_I2C4>; + dmas = <&dma 47>, <&dma 47>; + dma-names = "rx", "tx"; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -394,6 +420,8 @@ interrupts = ; clocks = <&ccu CLK_BUS_I2C5>; resets = <&ccu RST_BUS_I2C5>; + dmas = <&dma 48>, <&dma 48>; + dma-names = "rx", "tx"; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -408,6 +436,19 @@ ranges; }; + dma: dma-controller@3002000 { + compatible = "allwinner,sun55i-a523-dma", + "allwinner,sun50i-a100-dma"; + reg = <0x03002000 0x1000>; + interrupts = ; + clocks = <&ccu CLK_BUS_DMA>, <&ccu CLK_MBUS_DMA>; + clock-names = "bus", "mbus"; + dma-channels = <16>; + dma-requests = <54>; + resets = <&ccu RST_BUS_DMA>; + #dma-cells = <1>; + }; + sid: efuse@3006000 { compatible = "allwinner,sun55i-a523-sid", "allwinner,sun50i-a64-sid"; @@ -729,6 +770,8 @@ reg = <0x07081400 0x400>; interrupts = ; clocks = <&r_ccu CLK_BUS_R_I2C0>; + dmas = <&dma 49>, <&dma 49>; + dma-names = "rx", "tx"; resets = <&r_ccu RST_BUS_R_I2C0>; pinctrl-names = "default"; pinctrl-0 = <&r_i2c_pins>; @@ -775,6 +818,19 @@ #reset-cells = <1>; }; + mcu_dma: dma-controller@7121000 { + compatible = "allwinner,sun55i-a523-mcu-dma", + "allwinner,sun50i-a100-dma"; + reg = <0x07121000 0x1000>; + interrupts = ; + clocks = <&mcu_ccu CLK_BUS_MCU_DMA>, <&mcu_ccu CLK_MCU_MBUS_DMA>; + clock-names = "bus", "mbus"; + dma-channels = <16>; + dma-requests = <15>; + resets = <&mcu_ccu RST_BUS_MCU_DMA>; + #dma-cells = <1>; + }; + npu: npu@7122000 { compatible = "vivante,gc"; reg = <0x07122000 0x1000>; From e51b773798ea1dece229b44854256ec38d35cc41 Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Mon, 27 Oct 2025 20:56:47 +0800 Subject: [PATCH 08/11] arm64: dts: allwinner: a523: Add device node for SPDIF block The A523 has a SPDIF interface that is capable of both playback and capture. Add a node for it. Acked-by: Jernej Skrabec Link: https://patch.msgid.link/20251027125655.793277-7-wens@kernel.org Signed-off-by: Chen-Yu Tsai --- arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi index 8edbd3873199..33f991dbd00b 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi @@ -818,6 +818,21 @@ #reset-cells = <1>; }; + spdif: spdif@7116000 { + compatible = "allwinner,sun55i-a523-spdif"; + reg = <0x07116000 0x400>; + interrupts = ; + clocks = <&mcu_ccu CLK_BUS_MCU_SPDIF>, + <&mcu_ccu CLK_MCU_SPDIF_TX>, + <&mcu_ccu CLK_MCU_SPDIF_RX>; + clock-names = "apb", "tx", "rx"; + resets = <&mcu_ccu RST_BUS_MCU_SPDIF>; + dmas = <&mcu_dma 2>, <&mcu_dma 2>; + dma-names = "rx", "tx"; + #sound-dai-cells = <0>; + status = "disabled"; + }; + mcu_dma: dma-controller@7121000 { compatible = "allwinner,sun55i-a523-mcu-dma", "allwinner,sun50i-a100-dma"; From 1fe1e9b67166e304e8c3e46bdd1104519d6d1bd7 Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Mon, 27 Oct 2025 20:56:48 +0800 Subject: [PATCH 09/11] arm64: dts: allwinner: a523: Add device nodes for I2S controllers The A523 family of SoCs have four I2S controllers capable of both playback and capture. The user manual also implies that I2S2 also outputs to the eDP interface controller. Add device nodes for all of them. Acked-by: Jernej Skrabec Link: https://patch.msgid.link/20251027125655.793277-8-wens@kernel.org Signed-off-by: Chen-Yu Tsai --- .../arm64/boot/dts/allwinner/sun55i-a523.dtsi | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi index 33f991dbd00b..eea9ce83783c 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi @@ -818,6 +818,62 @@ #reset-cells = <1>; }; + i2s0: i2s@7112000 { + compatible = "allwinner,sun55i-a523-i2s", + "allwinner,sun50i-r329-i2s"; + reg = <0x07112000 0x1000>; + interrupts = ; + clocks = <&mcu_ccu CLK_BUS_MCU_I2S0>, <&mcu_ccu CLK_MCU_I2S0>; + clock-names = "apb", "mod"; + resets = <&mcu_ccu RST_BUS_MCU_I2S0>; + dmas = <&mcu_dma 3>, <&mcu_dma 3>; + dma-names = "rx", "tx"; + #sound-dai-cells = <0>; + status = "disabled"; + }; + + i2s1: i2s@7113000 { + compatible = "allwinner,sun55i-a523-i2s", + "allwinner,sun50i-r329-i2s"; + reg = <0x07113000 0x1000>; + interrupts = ; + clocks = <&mcu_ccu CLK_BUS_MCU_I2S1>, <&mcu_ccu CLK_MCU_I2S1>; + clock-names = "apb", "mod"; + resets = <&mcu_ccu RST_BUS_MCU_I2S1>; + dmas = <&mcu_dma 4>, <&mcu_dma 4>; + dma-names = "rx", "tx"; + #sound-dai-cells = <0>; + status = "disabled"; + }; + + i2s2: i2s@7114000 { + compatible = "allwinner,sun55i-a523-i2s", + "allwinner,sun50i-r329-i2s"; + reg = <0x07114000 0x1000>; + interrupts = ; + clocks = <&mcu_ccu CLK_BUS_MCU_I2S2>, <&mcu_ccu CLK_MCU_I2S2>; + clock-names = "apb", "mod"; + resets = <&mcu_ccu RST_BUS_MCU_I2S2>; + dmas = <&mcu_dma 5>, <&mcu_dma 5>; + dma-names = "rx", "tx"; + #sound-dai-cells = <0>; + status = "disabled"; + }; + + i2s3: i2s@7115000 { + compatible = "allwinner,sun55i-a523-i2s", + "allwinner,sun50i-r329-i2s"; + reg = <0x07115000 0x1000>; + interrupts = ; + clocks = <&mcu_ccu CLK_BUS_MCU_I2S3>, <&mcu_ccu CLK_MCU_I2S3>; + clock-names = "apb", "mod"; + resets = <&mcu_ccu RST_BUS_MCU_I2S3>; + dmas = <&mcu_dma 6>, <&mcu_dma 6>; + dma-names = "rx", "tx"; + #sound-dai-cells = <0>; + status = "disabled"; + }; + spdif: spdif@7116000 { compatible = "allwinner,sun55i-a523-spdif"; reg = <0x07116000 0x400>; From a9050236f81c43fc2eaa2e13098c7fb53c3aba34 Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Mon, 27 Oct 2025 20:56:49 +0800 Subject: [PATCH 10/11] arm64: dts: allwinner: a523: Add I2S2 pins on PI pin group The Radxa Cubie A5E exposes I2S2 through the PI pin group on the 40-pin GPIO header. Add a pinmux setting for it so potential users can directly reference it. Acked-by: Jernej Skrabec Link: https://patch.msgid.link/20251027125655.793277-9-wens@kernel.org Signed-off-by: Chen-Yu Tsai --- arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi index eea9ce83783c..cebd8e16e845 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi @@ -145,6 +145,14 @@ interrupt-controller; #interrupt-cells = <3>; + /omit-if-no-ref/ + i2s2_pi_pins: i2s2-pi-pins { + pins = "PI2", "PI3", "PI4", "PI5"; + allwinner,pinmux = <5>; + function = "i2s2"; + bias-disable; + }; + mmc0_pins: mmc0-pins { pins = "PF0" ,"PF1", "PF2", "PF3", "PF4", "PF5"; allwinner,pinmux = <2>; From ae0d3f1e6dd2c6404db2fbd7556b93eddd6c87b8 Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Mon, 27 Oct 2025 20:56:50 +0800 Subject: [PATCH 11/11] arm64: dts: allwinner: a523: Add SPDIF TX pin on PB and PI pins The SPDIF TX (called OWA OUT in the datasheet) is available on three pins. Of those, the PH pin is unlikely to be used since it conflicts with the first Ethernet controller. The Radxa Cubie A5E exposes SPDIF TX through the PI pin group on the 40-pin GPIO header. The Orange Pi 4A exposes SPDIF TX through both the PB and PI pin groups on the 40-pin GPIO header. The PB pin alternatively would be used for I2S0 though. Add pinmux settings for both options so potential users can directly reference either one. Acked-by: Jernej Skrabec Link: https://patch.msgid.link/20251027125655.793277-10-wens@kernel.org Signed-off-by: Chen-Yu Tsai --- arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi index cebd8e16e845..42dab01e3f56 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi @@ -200,6 +200,20 @@ bias-disable; }; + /omit-if-no-ref/ + spdif_out_pb_pin: spdif-pb-pin { + pins = "PB8"; + function = "spdif"; + allwinner,pinmux = <2>; + }; + + /omit-if-no-ref/ + spdif_out_pi_pin: spdif-pi-pin { + pins = "PI10"; + function = "spdif"; + allwinner,pinmux = <2>; + }; + uart0_pb_pins: uart0-pb-pins { pins = "PB9", "PB10"; allwinner,pinmux = <2>;