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author | Sascha Hauer <s.hauer@pengutronix.de> | 2022-06-08 09:15:32 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2022-06-08 10:41:39 +0200 |
commit | e54923b76e345080b73f3ae7f508657e5c63a9eb (patch) | |
tree | 8ea04209dd330c4a1257efade74fdda32bc7bb62 /dts/Bindings/reset/st,stih407-powerdown.yaml | |
parent | d4fd877cc4c6439a806f9c5f1b8c561605ee1167 (diff) | |
download | barebox-e54923b76e345080b73f3ae7f508657e5c63a9eb.tar.gz barebox-e54923b76e345080b73f3ae7f508657e5c63a9eb.tar.xz |
dts: update to v5.19-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/reset/st,stih407-powerdown.yaml')
-rw-r--r-- | dts/Bindings/reset/st,stih407-powerdown.yaml | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/dts/Bindings/reset/st,stih407-powerdown.yaml b/dts/Bindings/reset/st,stih407-powerdown.yaml new file mode 100644 index 0000000000..d3790e6026 --- /dev/null +++ b/dts/Bindings/reset/st,stih407-powerdown.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/st,stih407-powerdown.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics STi family Sysconfig Peripheral Powerdown Reset Controller + +maintainers: + - Srinivas Kandagatla <srinivas.kandagatla@st.com> + +description: | + This binding describes a reset controller device that is used to enable and + disable on-chip peripheral controllers such as USB and SATA, using + "powerdown" control bits found in the STi family SoC system configuration + registers. These have been grouped together into a single reset controller + device for convenience. + + The actual action taken when powerdown is asserted is hardware dependent. + However, when asserted it may not be possible to access the hardware's + registers and after an assert/deassert sequence the hardware's previous state + may no longer be valid. + +properties: + compatible: + const: st,stih407-powerdown + + '#reset-cells': + const: 1 + +required: + - compatible + - '#reset-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/reset/stih407-resets.h> + + powerdown: powerdown-controller { + compatible = "st,stih407-powerdown"; + #reset-cells = <1>; + }; + + // Specifying powerdown control of devices: + st_dwc3: dwc3 { + resets = <&powerdown STIH407_USB3_POWERDOWN>; + }; |