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Diffstat (limited to 'Documentation/powerpc/booting-without-of.txt')
-rw-r--r-- | Documentation/powerpc/booting-without-of.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt index 1d2a772506cf..46a9dba11f2f 100644 --- a/Documentation/powerpc/booting-without-of.txt +++ b/Documentation/powerpc/booting-without-of.txt | |||
@@ -58,6 +58,7 @@ Table of Contents | |||
58 | o) Xilinx IP cores | 58 | o) Xilinx IP cores |
59 | p) Freescale Synchronous Serial Interface | 59 | p) Freescale Synchronous Serial Interface |
60 | q) USB EHCI controllers | 60 | q) USB EHCI controllers |
61 | r) MDIO on GPIOs | ||
61 | 62 | ||
62 | VII - Marvell Discovery mv64[345]6x System Controller chips | 63 | VII - Marvell Discovery mv64[345]6x System Controller chips |
63 | 1) The /system-controller node | 64 | 1) The /system-controller node |
@@ -2870,6 +2871,26 @@ platforms are moved over to use the flattened-device-tree model. | |||
2870 | reg = <0xe8000000 32>; | 2871 | reg = <0xe8000000 32>; |
2871 | }; | 2872 | }; |
2872 | 2873 | ||
2874 | r) MDIO on GPIOs | ||
2875 | |||
2876 | Currently defined compatibles: | ||
2877 | - virtual,gpio-mdio | ||
2878 | |||
2879 | MDC and MDIO lines connected to GPIO controllers are listed in the | ||
2880 | gpios property as described in section VIII.1 in the following order: | ||
2881 | |||
2882 | MDC, MDIO. | ||
2883 | |||
2884 | Example: | ||
2885 | |||
2886 | mdio { | ||
2887 | compatible = "virtual,mdio-gpio"; | ||
2888 | #address-cells = <1>; | ||
2889 | #size-cells = <0>; | ||
2890 | gpios = <&qe_pio_a 11 | ||
2891 | &qe_pio_c 6>; | ||
2892 | }; | ||
2893 | |||
2873 | VII - Marvell Discovery mv64[345]6x System Controller chips | 2894 | VII - Marvell Discovery mv64[345]6x System Controller chips |
2874 | =========================================================== | 2895 | =========================================================== |
2875 | 2896 | ||