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3 Commits

Author SHA1 Message Date
Samuel Holland
57a0479302 lib: utils/reset: Constify FDT pointers in parsing functions 
Indicate that none of these functions modify the devicetree by
constifying the parameter type.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
 2024-08-24 13:02:42 +05:30
Yu Chien Peter Lin
7aaeeab9e7 lib: reset/fdt_reset_atcwdt200: Use defined macros and function in atcsmu.h 
Reuse the smu related macros and function in atcsmu.h.

Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
 2023-01-22 17:33:13 +05:30
Yu Chien Peter Lin
8234fc1bdf lib: utils/reset: Add Andes fdt reset driver support 
Add ATCWDT200 as reset device of AE350 platform, this driver requires
SMU to program the reset vector registers before triggering WDT software
restart signal.

dts example:

  smu@f0100000 {
    compatible = "andestech,atcsmu";
    reg = <0x00000000 0xf0100000 0x00000000 0x00001000>;
  };

  wdt: wdt@f0500000 {
    compatible = "andestech,atcwdt200";
    reg = <0x00000000 0xf0500000 0x00000000 0x00001000>;
    interrupts = <3 4>;
    interrupt-parent = <&plic0>;
    clock-frequency = <15000000>;
  };

Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
 2022-10-23 10:29:23 +05:30