arm64: dts: allwinner: h616: Add DMA controller and DMA channels

The DMA controllers found on the H616 and H618 are the same as the one
found on the A100. The only difference is the DMA endpoint (DRQ) layout.

Add a device node for it, and add DMA channels for existing peripherals.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Link: https://lore.kernel.org/r/20240127163247.384439-7-wens@kernel.org
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
index d549d277d9729f2fdb78173addb4c1335e4ece91..885809137b9de3cb3219b18bcb261c367cfee191 100644 (file)
--- a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
@@ -133,6 +133,19 @@
                        #reset-cells = <1>;
                };
 
+               dma: dma-controller@3002000 {
+                       compatible = "allwinner,sun50i-h616-dma",
+                                    "allwinner,sun50i-a100-dma";
+                       reg = <0x03002000 0x1000>;
+                       interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&ccu CLK_BUS_DMA>, <&ccu CLK_MBUS_DMA>;
+                       clock-names = "bus", "mbus";
+                       dma-channels = <16>;
+                       dma-requests = <49>;
+                       resets = <&ccu RST_BUS_DMA>;
+                       #dma-cells = <1>;
+               };
+
                sid: efuse@3006000 {
                        compatible = "allwinner,sun50i-h616-sid", "allwinner,sun50i-a64-sid";
                        reg = <0x03006000 0x1000>;
@@ -339,6 +352,8 @@
                        reg-shift = <2>;
                        reg-io-width = <4>;
                        clocks = <&ccu CLK_BUS_UART0>;
+                       dmas = <&dma 14>, <&dma 14>;
+                       dma-names = "tx", "rx";
                        resets = <&ccu RST_BUS_UART0>;
                        status = "disabled";
                };
@@ -350,6 +365,8 @@
                        reg-shift = <2>;
                        reg-io-width = <4>;
                        clocks = <&ccu CLK_BUS_UART1>;
+                       dmas = <&dma 15>, <&dma 15>;
+                       dma-names = "tx", "rx";
                        resets = <&ccu RST_BUS_UART1>;
                        status = "disabled";
                };
@@ -361,6 +378,8 @@
                        reg-shift = <2>;
                        reg-io-width = <4>;
                        clocks = <&ccu CLK_BUS_UART2>;
+                       dmas = <&dma 16>, <&dma 16>;
+                       dma-names = "tx", "rx";
                        resets = <&ccu RST_BUS_UART2>;
                        status = "disabled";
                };
@@ -372,6 +391,8 @@
                        reg-shift = <2>;
                        reg-io-width = <4>;
                        clocks = <&ccu CLK_BUS_UART3>;
+                       dmas = <&dma 17>, <&dma 17>;
+                       dma-names = "tx", "rx";
                        resets = <&ccu RST_BUS_UART3>;
                        status = "disabled";
                };
@@ -383,6 +404,8 @@
                        reg-shift = <2>;
                        reg-io-width = <4>;
                        clocks = <&ccu CLK_BUS_UART4>;
+                       dmas = <&dma 18>, <&dma 18>;
+                       dma-names = "tx", "rx";
                        resets = <&ccu RST_BUS_UART4>;
                        status = "disabled";
                };
@@ -394,6 +417,8 @@
                        reg-shift = <2>;
                        reg-io-width = <4>;
                        clocks = <&ccu CLK_BUS_UART5>;
+                       dmas = <&dma 19>, <&dma 19>;
+                       dma-names = "tx", "rx";
                        resets = <&ccu RST_BUS_UART5>;
                        status = "disabled";
                };
@@ -405,6 +430,8 @@
                        reg = <0x05002000 0x400>;
                        interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
                        clocks = <&ccu CLK_BUS_I2C0>;
+                       dmas = <&dma 43>, <&dma 43>;
+                       dma-names = "rx", "tx";
                        resets = <&ccu RST_BUS_I2C0>;
                        pinctrl-names = "default";
                        pinctrl-0 = <&i2c0_pins>;
@@ -420,6 +447,8 @@
                        reg = <0x05002400 0x400>;
                        interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
                        clocks = <&ccu CLK_BUS_I2C1>;
+                       dmas = <&dma 44>, <&dma 44>;
+                       dma-names = "rx", "tx";
                        resets = <&ccu RST_BUS_I2C1>;
                        status = "disabled";
                        #address-cells = <1>;
@@ -433,6 +462,8 @@
                        reg = <0x05002800 0x400>;
                        interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
                        clocks = <&ccu CLK_BUS_I2C2>;
+                       dmas = <&dma 45>, <&dma 45>;
+                       dma-names = "rx", "tx";
                        resets = <&ccu RST_BUS_I2C2>;
                        status = "disabled";
                        #address-cells = <1>;
@@ -446,6 +477,8 @@
                        reg = <0x05002c00 0x400>;
                        interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
                        clocks = <&ccu CLK_BUS_I2C3>;
+                       dmas = <&dma 46>, <&dma 46>;
+                       dma-names = "rx", "tx";
                        resets = <&ccu RST_BUS_I2C3>;
                        status = "disabled";
                        #address-cells = <1>;
@@ -459,6 +492,8 @@
                        reg = <0x05003000 0x400>;
                        interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
                        clocks = <&ccu CLK_BUS_I2C4>;
+                       dmas = <&dma 47>, <&dma 47>;
+                       dma-names = "rx", "tx";
                        resets = <&ccu RST_BUS_I2C4>;
                        status = "disabled";
                        #address-cells = <1>;
@@ -472,6 +507,8 @@
                        interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
                        clocks = <&ccu CLK_BUS_SPI0>, <&ccu CLK_SPI0>;
                        clock-names = "ahb", "mod";
+                       dmas = <&dma 22>, <&dma 22>;
+                       dma-names = "rx", "tx";
                        resets = <&ccu RST_BUS_SPI0>;
                        status = "disabled";
                        #address-cells = <1>;
@@ -485,6 +522,8 @@
                        interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
                        clocks = <&ccu CLK_BUS_SPI1>, <&ccu CLK_SPI1>;
                        clock-names = "ahb", "mod";
+                       dmas = <&dma 23>, <&dma 23>;
+                       dma-names = "rx", "tx";
                        resets = <&ccu RST_BUS_SPI1>;
                        status = "disabled";
                        #address-cells = <1>;
@@ -734,6 +773,8 @@
                        reg = <0x07081400 0x400>;
                        interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
                        clocks = <&r_ccu CLK_R_APB2_I2C>;
+                       dmas = <&dma 48>, <&dma 48>;
+                       dma-names = "rx", "tx";
                        resets = <&r_ccu RST_R_APB2_I2C>;
                        status = "disabled";
                        #address-cells = <1>;