Re: [v4,4/4] arm64: dts: mt8192: add infracfg_rst node
From: Crystal Guo <hidden>
Date: 2020-09-08 15:15:43
Also in:
linux-devicetree, linux-mediatek, lkml
On Thu, 2020-09-03 at 07:29 +0800, Suman Anna wrote:
Hi Crystal, On 8/16/20 10:03 PM, Crystal Guo wrote:quoted
add infracfg_rst node which is for MT8192 platform Signed-off-by: Crystal Guo <redacted>I understand you are posting these together for complete reference, but driver subsystem maintainers typically don't pick dts patches. In anycase, can you clarify if your registers are self-clearing registers? regards Suman
Hi Suman, Thanks for your reply. Our reset registers are not self-clearing, it needs to set the clear bit to 1 to clear the related bit. And should I separate this dts patch from the patch sets? regards Crystal
quoted
--- arch/arm64/boot/dts/mediatek/mt8192.dtsi | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi index 931e1ca17220..a0cb9904706b 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi@@ -10,6 +10,7 @@ #include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/pinctrl/mt8192-pinfunc.h> #include <dt-bindings/power/mt8192-power.h> +#include <dt-bindings/reset/ti-syscon.h> / { compatible = "mediatek,mt8192";@@ -219,9 +220,17 @@ }; infracfg: infracfg@10001000 { - compatible = "mediatek,mt8192-infracfg", "syscon"; + compatible = "mediatek,mt8192-infracfg", "syscon", "simple-mfd"; reg = <0 0x10001000 0 0x1000>; #clock-cells = <1>; + + infracfg_rst: reset-controller { + compatible = "mediatek,infra-reset", "ti,syscon-reset"; + #reset-cells = <1>; + ti,reset-bits = < + 0x140 15 0x144 15 0 0 (ASSERT_SET | DEASSERT_SET | STATUS_NONE) /* 0: pcie */ + >; + }; }; pericfg: pericfg@10003000 {
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