@@ -116,6 +116,67 @@
0 149 0x4>;
};
+ dmac: dma-multiplexer@0 {
+ compatible = "renesas,shdma-mux";
+ #dma-cells = <1>;
+ dma-channels = <6>;
+ dma-requests = <256>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ dma0: dma-controller@fe008020 {
+ compatible = "renesas,shdma-r8a7740";
+ reg = <0xfe008020 0x270>,
+ <0xfe009000 0xc>;
+ interrupt-parent = <&gic>;
+ interrupts = <0 34 4
+ 0 28 4
+ 0 29 4
+ 0 30 4
+ 0 31 4
+ 0 32 4
+ 0 33 4>;
+ interrupt-names = "error",
+ "ch0", "ch1", "ch2", "ch3",
+ "ch4", "ch5";
+ };
+
+ dma1: dma-controller@fe018020 {
+ compatible = "renesas,shdma-r8a7740";
+ reg = <0xfe018020 0x270>,
+ <0xfe019000 0xc>;
+ interrupt-parent = <&gic>;
+ interrupts = <0 41 4
+ 0 35 4
+ 0 36 4
+ 0 37 4
+ 0 38 4
+ 0 39 4
+ 0 40 4>;
+ interrupt-names = "error",
+ "ch0", "ch1", "ch2", "ch3",
+ "ch4", "ch5";
+ };
+
+ dma2: dma-controller@fe028020 {
+ compatible = "renesas,shdma-r8a7740";
+ reg = <0xfe028020 0x270>,
+ <0xfe029000 0xc>;
+ interrupt-parent = <&gic>;
+ interrupts = <0 48 4
+ 0 42 4
+ 0 43 4
+ 0 44 4
+ 0 45 4
+ 0 46 4
+ 0 47 4>;
+ interrupt-names = "error",
+ "ch0", "ch1", "ch2", "ch3",
+ "ch4", "ch5";
+ };
+ };
+
i2c0: i2c@fff20000 {
#address-cells = <1>;
#size-cells = <0>;
@@ -576,8 +576,11 @@ static struct clk_lookup lookups[] = {
CLKDEV_DEV_ID("e6cb0000.sci", &mstp_clks[MSTP207]),
CLKDEV_DEV_ID("sh-dma-engine.3", &mstp_clks[MSTP214]),
CLKDEV_DEV_ID("shdma-r8a7740.2", &mstp_clks[MSTP216]),
+ CLKDEV_DEV_ID("fe028020.dma-controller",&mstp_clks[MSTP216]),
CLKDEV_DEV_ID("shdma-r8a7740.1", &mstp_clks[MSTP217]),
+ CLKDEV_DEV_ID("fe018020.dma-controller",&mstp_clks[MSTP217]),
CLKDEV_DEV_ID("shdma-r8a7740.0", &mstp_clks[MSTP218]),
+ CLKDEV_DEV_ID("fe008020.dma-controller",&mstp_clks[MSTP218]),
CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP222]),
CLKDEV_DEV_ID("e6cd0000.sci", &mstp_clks[MSTP222]),
CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP230]),
This patch adds Device Tree support for the three generic DMA controller instances on r8a7740 in a DMA multiplexer node. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com> --- v2: Use "dma-controller" for DMA controller DT nodes arch/arm/boot/dts/r8a7740.dtsi | 61 ++++++++++++++++++++++++++++++++ arch/arm/mach-shmobile/clock-r8a7740.c | 3 ++ 2 files changed, 64 insertions(+), 0 deletions(-)