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author | Sascha Hauer <s.hauer@pengutronix.de> | 2017-06-06 08:07:28 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-06-06 08:07:28 +0200 |
commit | bb2de9a333d17bb1b048ad208002501226b83f03 (patch) | |
tree | 8ef2e876ba43af235c45cb2280885e9c67ba5548 /dts/Bindings/reset | |
parent | 79e6629b02fb3a296b5dc70f16dec0f8d415ccf8 (diff) | |
download | barebox-bb2de9a333d17bb1b048ad208002501226b83f03.tar.gz barebox-bb2de9a333d17bb1b048ad208002501226b83f03.tar.xz |
dts: update to v4.12-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/reset')
-rw-r--r-- | dts/Bindings/reset/fsl,imx7-src.txt | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/dts/Bindings/reset/fsl,imx7-src.txt b/dts/Bindings/reset/fsl,imx7-src.txt new file mode 100644 index 0000000000..5e1afc3d84 --- /dev/null +++ b/dts/Bindings/reset/fsl,imx7-src.txt @@ -0,0 +1,47 @@ +Freescale i.MX7 System Reset Controller +====================================== + +Please also refer to reset.txt in this directory for common reset +controller binding usage. + +Required properties: +- compatible: Should be "fsl,imx7-src", "syscon" +- reg: should be register base and length as documented in the + datasheet +- interrupts: Should contain SRC interrupt +- #reset-cells: 1, see below + +example: + +src: reset-controller@30390000 { + compatible = "fsl,imx7d-src", "syscon"; + reg = <0x30390000 0x2000>; + interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>; + #reset-cells = <1>; +}; + + +Specifying reset lines connected to IP modules +============================================== + +The system reset controller can be used to reset various set of +peripherals. Device nodes that need access to reset lines should +specify them as a reset phandle in their corresponding node as +specified in reset.txt. + +Example: + + pcie: pcie@33800000 { + + ... + + resets = <&src IMX7_RESET_PCIEPHY>, + <&src IMX7_RESET_PCIE_CTRL_APPS_EN>; + reset-names = "pciephy", "apps"; + + ... + }; + + +For list of all valid reset indicies see +<dt-bindings/reset/imx7-reset.h> |