[PATCH 1/4] arm64: dts: zynqmp: add AMS driver to device tree
Robert Hancock
robert.hancock at calian.com
Wed Jan 19 17:02:43 PST 2022
Add an entry to the ZynqMP device tree to support the AMS device which
now has a driver in mainline.
Signed-off-by: Robert Hancock <robert.hancock at calian.com>
---
.../arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi | 4 +++
arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 26 +++++++++++++++++++
2 files changed, 30 insertions(+)
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
index 1e0b1bca7c94..108592104a1b 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
@@ -239,6 +239,10 @@ &lpd_watchdog {
clocks = <&zynqmp_clk LPD_WDT>;
};
+&xilinx_ams {
+ clocks = <&zynqmp_clk AMS_REF>;
+};
+
&zynqmp_dpdma {
clocks = <&zynqmp_clk DPDMA_REF>;
};
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 74e66443e4ce..d1fe1e5b46c1 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -878,6 +878,32 @@ lpd_watchdog: watchdog at ff150000 {
timeout-sec = <10>;
};
+ xilinx_ams: ams at ffa50000 {
+ compatible = "xlnx,zynqmp-ams";
+ status = "disabled";
+ interrupt-parent = <&gic>;
+ interrupts = <0 56 4>;
+ reg = <0x0 0xffa50000 0x0 0x800>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ #io-channel-cells = <1>;
+ ranges = <0 0 0xffa50800 0x800>;
+
+ ams_ps: ams_ps at 0 {
+ compatible = "xlnx,zynqmp-ams-ps";
+ status = "disabled";
+ reg = <0x0 0x400>;
+ };
+
+ ams_pl: ams_pl at 400 {
+ compatible = "xlnx,zynqmp-ams-pl";
+ status = "disabled";
+ reg = <0x400 0x400>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
+
zynqmp_dpdma: dma-controller at fd4c0000 {
compatible = "xlnx,zynqmp-dpdma";
status = "disabled";
--
2.31.1
More information about the linux-arm-kernel
mailing list