aboutsummaryrefslogtreecommitdiff
path: root/Documentation/powerpc/booting-without-of.txt
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/powerpc/booting-without-of.txt')
-rw-r--r--Documentation/powerpc/booting-without-of.txt67
1 files changed, 12 insertions, 55 deletions
diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index de4063cb4fd..0ab0230cbcb 100644
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/powerpc/booting-without-of.txt
@@ -41,25 +41,14 @@ Table of Contents
VI - System-on-a-chip devices and nodes
1) Defining child nodes of an SOC
2) Representing devices without a current OF specification
- a) MDIO IO device
- b) Gianfar-compatible ethernet nodes
- c) PHY nodes
- d) Interrupt controllers
- e) I2C
- f) Freescale SOC USB controllers
- g) Freescale SOC SEC Security Engines
- h) Board Control and Status (BCSR)
- i) Freescale QUICC Engine module (QE)
- j) CFI or JEDEC memory-mapped NOR flash
- k) Global Utilities Block
- l) Freescale Communications Processor Module
- m) Chipselect/Local Bus
- n) 4xx/Axon EMAC ethernet nodes
- o) Xilinx IP cores
- p) Freescale Synchronous Serial Interface
- q) USB EHCI controllers
- r) MDIO on GPIOs
- s) SPI busses
+ a) PHY nodes
+ b) Interrupt controllers
+ c) CFI or JEDEC memory-mapped NOR flash
+ d) 4xx/Axon EMAC ethernet nodes
+ e) Xilinx IP cores
+ f) USB EHCI controllers
+ g) MDIO on GPIOs
+ h) SPI busses
VII - Marvell Discovery mv64[345]6x System Controller chips
1) The /system-controller node
@@ -1830,41 +1819,7 @@ platforms are moved over to use the flattened-device-tree model.
big-endian;
};
- r) Freescale Display Interface Unit
-
- The Freescale DIU is a LCD controller, with proper hardware, it can also
- drive DVI monitors.
-
- Required properties:
- - compatible : should be "fsl-diu".
- - reg : should contain at least address and length of the DIU register
- set.
- - Interrupts : one DIU interrupt should be describe here.
-
- Example (MPC8610HPCD)
- display@2c000 {
- compatible = "fsl,diu";
- reg = <0x2c000 100>;
- interrupts = <72 2>;
- interrupt-parent = <&mpic>;
- };
-
- s) Freescale on board FPGA
-
- This is the memory-mapped registers for on board FPGA.
-
- Required properities:
- - compatible : should be "fsl,fpga-pixis".
- - reg : should contain the address and the lenght of the FPPGA register
- set.
-
- Example (MPC8610HPCD)
- board-control@e8000000 {
- compatible = "fsl,fpga-pixis";
- reg = <0xe8000000 32>;
- };
-
- r) MDIO on GPIOs
+ g) MDIO on GPIOs
Currently defined compatibles:
- virtual,gpio-mdio
@@ -1884,7 +1839,7 @@ platforms are moved over to use the flattened-device-tree model.
&qe_pio_c 6>;
};
- s) SPI (Serial Peripheral Interface) busses
+ h) SPI (Serial Peripheral Interface) busses
SPI busses can be described with a node for the SPI master device
and a set of child nodes for each SPI slave on the bus. For this
@@ -1917,6 +1872,8 @@ platforms are moved over to use the flattened-device-tree model.
inverse clock polarity (CPOL) mode
- spi-cpha - (optional) Empty property indicating device requires
shifted clock phase (CPHA) mode
+ - spi-cs-high - (optional) Empty property indicating device requires
+ chip select active high
SPI example for an MPC5200 SPI bus:
spi@f00 {