From 038b13ee8134ba755a323732f3b2b838b9dc17a4 Mon Sep 17 00:00:00 2001 From: Sean Anderson Date: Wed, 24 Jun 2020 06:41:14 -0400 Subject: reset: Add generic reset driver This patch adds a generic reset driver. It is designed to be useful when one has a register in a regmap which contains bits that reset other devices. I thought this seemed like a very generic use, so here is a generic driver. The overall structure has been modeled on the syscon-reboot driver. Signed-off-by: Sean Anderson Reviewed-by: Simon Glass --- arch/sandbox/dts/test.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'arch/sandbox/dts/test.dts') diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index b59bf157a9..d2a6af070b 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -1044,6 +1044,21 @@ clocks = <&clk_sandbox 4>; power-domains = <&pwrdom 1>; }; + + resetc2: syscon-reset { + compatible = "syscon-reset"; + #reset-cells = <1>; + regmap = <&syscon0>; + offset = <1>; + mask = <0x27FFFFFF>; + assert-high = <0>; + }; + + syscon-reset-test { + compatible = "sandbox,misc_sandbox"; + resets = <&resetc2 15>, <&resetc2 30>, <&resetc2 60>; + reset-names = "valid", "no_mask", "out_of_range"; + }; }; #include "sandbox_pmic.dtsi" -- cgit