Re: [PATCH v4 14/16] arm64: allwinner: A100: add the basical Allwinner A100 DTSI file
From: Maxime Ripard <hidden>
Date: 2020-07-23 16:54:55
Also in:
linux-arm-kernel, lkml
Hi, On Tue, Jul 14, 2020 at 03:20:29PM +0800, Frank Lee wrote:
quoted hunk ↗ jump to hunk
From: Yangtao Li <redacted> Allwinner A100 is a new SoC with Cortex-A53 cores, this commit adds the basical DTSI file of it, including the clock, i2c, pins, sid, ths, nmi, and UART support. Signed-off-by: Yangtao Li <redacted> --- .../arm64/boot/dts/allwinner/sun50i-a100.dtsi | 364 ++++++++++++++++++ 1 file changed, 364 insertions(+) create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a100.dtsidiff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi new file mode 100644 index 000000000000..3fb2443f2121 --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi@@ -0,0 +1,364 @@ +// SPDX-License-Identifier: (GPL-2.0+ or MIT) +/* + * Copyright (c) 2020 Yangtao Li <frank@allwinnertech.com> + */ + +#include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/clock/sun50i-a100-ccu.h> +#include <dt-bindings/clock/sun50i-a100-r-ccu.h> +#include <dt-bindings/reset/sun50i-a100-ccu.h> +#include <dt-bindings/reset/sun50i-a100-r-ccu.h> + +/ { + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu0: cpu@0 { + compatible = "arm,armv8";
You should use the arm,cortex-a53 compatible here, arm,armv8 is for software models.
+ sid@3006000 {The node name is supposed to be the class of the device, and the DT spec defines a list of them already. eeprom would be better suited here.
+ thermal-zones {
+ cpu-thermal-zone {
+ polling-delay-passive = <0>;
+ polling-delay = <0>;
+ thermal-sensors = <&ths 0>;
+ };
+
+ gpu-thermal-zone {
+ polling-delay-passive = <0>;
+ polling-delay = <0>;
+ thermal-sensors = <&ths 1>;
+ };
+
+ ddr-thermal-zone {
+ polling-delay-passive = <0>;
+ polling-delay = <0>;
+ thermal-sensors = <&ths 2>;
+ };
+ };Ideally, the nodes here should be ordered by alphabetical order (so ddr before GPU). Thanks! Maxime