diff options
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r-- | Documentation/devicetree/bindings/powerpc/fsl/fman.txt | 40 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/soc/fsl/rcpm.txt | 63 |
2 files changed, 103 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/powerpc/fsl/fman.txt b/Documentation/devicetree/bindings/powerpc/fsl/fman.txt index 1fc5328..55c2c03 100644 --- a/Documentation/devicetree/bindings/powerpc/fsl/fman.txt +++ b/Documentation/devicetree/bindings/powerpc/fsl/fman.txt @@ -315,6 +315,16 @@ PROPERTIES Value type: <phandle> Definition: A phandle for 1EEE1588 timer. +- pcsphy-handle + Usage required for "fsl,fman-memac" MACs + Value type: <phandle> + Definition: A phandle for pcsphy. + +- tbi-handle + Usage required for "fsl,fman-dtsec" MACs + Value type: <phandle> + Definition: A phandle for tbiphy. + EXAMPLE fman1_tx28: port@a8000 { @@ -340,6 +350,7 @@ ethernet@e0000 { reg = <0xe0000 0x1000>; fsl,fman-ports = <&fman1_rx8 &fman1_tx28>; ptp-timer = <&ptp-timer>; + tbi-handle = <&tbi0>; }; ============================================================================ @@ -415,6 +426,13 @@ PROPERTIES The settings and programming routines for internal/external MDIO are different. Must be included for internal MDIO. +For internal PHY device on internal mdio bus, a PHY node should be created. +See the definition of the PHY node in booting-without-of.txt for an +example of how to define a PHY (Internal PHY has no interrupt line). +- For "fsl,fman-mdio" compatible internal mdio bus, the PHY is TBI PHY. +- For "fsl,fman-memac-mdio" compatible internal mdio bus, the PHY is PCS PHY, + PCS PHY addr must be '0'. + EXAMPLE Example for FMan v2 external MDIO: @@ -425,12 +443,29 @@ mdio@f1000 { interrupts = <101 2 0 0>; }; +Example for FMan v2 internal MDIO: + +mdio@e3120 { + compatible = "fsl,fman-mdio"; + reg = <0xe3120 0xee0>; + fsl,fman-internal-mdio; + + tbi1: tbi-phy@8 { + reg = <0x8>; + device_type = "tbi-phy"; + }; +}; + Example for FMan v3 internal MDIO: mdio@f1000 { compatible = "fsl,fman-memac-mdio"; reg = <0xf1000 0x1000>; fsl,fman-internal-mdio; + + pcsphy6: ethernet-phy@0 { + reg = <0x0>; + }; }; ============================================================================= @@ -568,6 +603,7 @@ fman@400000 { cell-index = <0>; reg = <0xe0000 0x1000>; fsl,fman-ports = <&fman1_rx_0x8 &fman1_tx_0x28>; + tbi-handle = <&tbi5>; }; ethernet@e2000 { @@ -575,6 +611,7 @@ fman@400000 { cell-index = <1>; reg = <0xe2000 0x1000>; fsl,fman-ports = <&fman1_rx_0x9 &fman1_tx_0x29>; + tbi-handle = <&tbi6>; }; ethernet@e4000 { @@ -582,6 +619,7 @@ fman@400000 { cell-index = <2>; reg = <0xe4000 0x1000>; fsl,fman-ports = <&fman1_rx_0xa &fman1_tx_0x2a>; + tbi-handle = <&tbi7>; }; ethernet@e6000 { @@ -589,6 +627,7 @@ fman@400000 { cell-index = <3>; reg = <0xe6000 0x1000>; fsl,fman-ports = <&fman1_rx_0xb &fman1_tx_0x2b>; + tbi-handle = <&tbi8>; }; ethernet@e8000 { @@ -596,6 +635,7 @@ fman@400000 { cell-index = <4>; reg = <0xf0000 0x1000>; fsl,fman-ports = <&fman1_rx_0xc &fman1_tx_0x2c>; + tbi-handle = <&tbi9>; ethernet@f0000 { cell-index = <8>; diff --git a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt new file mode 100644 index 0000000..e284e4e --- /dev/null +++ b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt @@ -0,0 +1,63 @@ +* Run Control and Power Management +------------------------------------------- +The RCPM performs all device-level tasks associated with device run control +and power management. + +Required properites: + - reg : Offset and length of the register set of the RCPM block. + - fsl,#rcpm-wakeup-cells : The number of IPPDEXPCR register cells in the + fsl,rcpm-wakeup property. + - compatible : Must contain a chip-specific RCPM block compatible string + and (if applicable) may contain a chassis-version RCPM compatible + string. Chip-specific strings are of the form "fsl,<chip>-rcpm", + such as: + * "fsl,p2041-rcpm" + * "fsl,p5020-rcpm" + * "fsl,t4240-rcpm" + + Chassis-version strings are of the form "fsl,qoriq-rcpm-<version>", + such as: + * "fsl,qoriq-rcpm-1.0": for chassis 1.0 rcpm + * "fsl,qoriq-rcpm-2.0": for chassis 2.0 rcpm + * "fsl,qoriq-rcpm-2.1": for chassis 2.1 rcpm + +All references to "1.0" and "2.0" refer to the QorIQ chassis version to +which the chip complies. +Chassis Version Example Chips +--------------- ------------------------------- +1.0 p4080, p5020, p5040, p2041, p3041 +2.0 t4240, b4860, b4420 +2.1 t1040, ls1021 + +Example: +The RCPM node for T4240: + rcpm: global-utilities@e2000 { + compatible = "fsl,t4240-rcpm", "fsl,qoriq-rcpm-2.0"; + reg = <0xe2000 0x1000>; + fsl,#rcpm-wakeup-cells = <2>; + }; + +* Freescale RCPM Wakeup Source Device Tree Bindings +------------------------------------------- +Required fsl,rcpm-wakeup property should be added to a device node if the device +can be used as a wakeup source. + + - fsl,rcpm-wakeup: Consists of a phandle to the rcpm node and the IPPDEXPCR + register cells. The number of IPPDEXPCR register cells is defined in + "fsl,#rcpm-wakeup-cells" in the rcpm node. The first register cell is + the bit mask that should be set in IPPDEXPCR0, and the second register + cell is for IPPDEXPCR1, and so on. + + Note: IPPDEXPCR(IP Powerdown Exception Control Register) provides a + mechanism for keeping certain blocks awake during STANDBY and MEM, in + order to use them as wake-up sources. + +Example: + lpuart0: serial@2950000 { + compatible = "fsl,ls1021a-lpuart"; + reg = <0x0 0x2950000 0x0 0x1000>; + interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&sysclk>; + clock-names = "ipg"; + fsl,rcpm-wakeup = <&rcpm 0x0 0x40000000>; + }; |