1Freescale i.MX7 System Reset Controller 2====================================== 3 4Please also refer to reset.txt in this directory for common reset 5controller binding usage. 6 7Required properties: 8- compatible: 9 - For i.MX7 SoCs should be "fsl,imx7d-src", "syscon" 10 - For i.MX8MQ SoCs should be "fsl,imx8mq-src", "syscon" 11 - For i.MX8MM SoCs should be "fsl,imx8mm-src", "fsl,imx8mq-src", "syscon" 12 - For i.MX8MN SoCs should be "fsl,imx8mn-src", "fsl,imx8mq-src", "syscon" 13 - For i.MX8MP SoCs should be "fsl,imx8mp-src", "syscon" 14- reg: should be register base and length as documented in the 15 datasheet 16- interrupts: Should contain SRC interrupt 17- #reset-cells: 1, see below 18 19example: 20 21src: reset-controller@30390000 { 22 compatible = "fsl,imx7d-src", "syscon"; 23 reg = <0x30390000 0x2000>; 24 interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>; 25 #reset-cells = <1>; 26}; 27 28 29Specifying reset lines connected to IP modules 30============================================== 31 32The system reset controller can be used to reset various set of 33peripherals. Device nodes that need access to reset lines should 34specify them as a reset phandle in their corresponding node as 35specified in reset.txt. 36 37Example: 38 39 pcie: pcie@33800000 { 40 41 ... 42 43 resets = <&src IMX7_RESET_PCIEPHY>, 44 <&src IMX7_RESET_PCIE_CTRL_APPS_EN>; 45 reset-names = "pciephy", "apps"; 46 47 ... 48 }; 49 50 51For list of all valid reset indices see 52<dt-bindings/reset/imx7-reset.h> for i.MX7, 53<dt-bindings/reset/imx8mq-reset.h> for i.MX8MQ and 54<dt-bindings/reset/imx8mq-reset.h> for i.MX8MM and 55<dt-bindings/reset/imx8mq-reset.h> for i.MX8MN and 56<dt-bindings/reset/imx8mp-reset.h> for i.MX8MP 57