ARM: tegra: add APB DMA controller to Tegra124 DT

Instantiate the APB DMA controller in the Tegra124 DT, and add all
DMA-related properties to other DT nodes that rely on (reference) the
DMA controller's node.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 4ed6a3a..9a8b5b8 100644 (file)
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -56,6 +56,47 @@
                interrupt-controller;
        };
 
+       apbdma: dma@60020000 {
+               compatible = "nvidia,tegra124-apbdma", "nvidia,tegra148-apbdma";
+               reg = <0x60020000 0x1400>;
+               interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 132 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 139 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&tegra_car TEGRA124_CLK_APBDMA>;
+               resets = <&tegra_car 34>;
+               reset-names = "dma";
+               #dma-cells = <1>;
+       };
+
        /*
         * There are two serial driver i.e. 8250 based simple serial
         * driver and APB DMA based serial driver for higher baudrate
@@ -72,6 +113,8 @@
                clocks = <&tegra_car TEGRA124_CLK_UARTA>;
                resets = <&tegra_car 6>;
                reset-names = "serial";
+               dmas = <&apbdma 8>, <&apbdma 8>;
+               dma-names = "rx", "tx";
                status = "disabled";
        };
 
@@ -83,6 +126,8 @@
                clocks = <&tegra_car TEGRA124_CLK_UARTB>;
                resets = <&tegra_car 7>;
                reset-names = "serial";
+               dmas = <&apbdma 9>, <&apbdma 9>;
+               dma-names = "rx", "tx";
                status = "disabled";
        };
 
@@ -94,6 +139,8 @@
                clocks = <&tegra_car TEGRA124_CLK_UARTC>;
                resets = <&tegra_car 55>;
                reset-names = "serial";
+               dmas = <&apbdma 10>, <&apbdma 10>;
+               dma-names = "rx", "tx";
                status = "disabled";
        };
 
@@ -105,6 +152,8 @@
                clocks = <&tegra_car TEGRA124_CLK_UARTD>;
                resets = <&tegra_car 65>;
                reset-names = "serial";
+               dmas = <&apbdma 19>, <&apbdma 19>;
+               dma-names = "rx", "tx";
                status = "disabled";
        };
 
@@ -116,6 +165,8 @@
                clocks = <&tegra_car TEGRA124_CLK_UARTE>;
                resets = <&tegra_car 66>;
                reset-names = "serial";
+               dmas = <&apbdma 20>, <&apbdma 20>;
+               dma-names = "rx", "tx";
                status = "disabled";
        };