[PATCH] t104xd4rdb: add DS26522 nodes to device tree
From: Zhao Qiang <hidden>
Date: 2015-08-21 02:54:29
Also in:
linuxppc-dev, lkml
Subsystem:
linux for powerpc (32-bit and 64-bit), networking drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
DS26522 is used for tdm, configured by SPI bus. Add nodes under spi node to t104xd4rdb.dtsi. Signed-off-by: Zhao Qiang <redacted> --- Documentation/devicetree/bindings/net/maxim,ds26522.txt | 13 +++++++++++++ arch/powerpc/boot/dts/t104xd4rdb.dtsi | 10 ++++++++++ 2 files changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/maxim,ds26522.txt
diff --git a/Documentation/devicetree/bindings/net/maxim,ds26522.txt b/Documentation/devicetree/bindings/net/maxim,ds26522.txt
new file mode 100644
index 0000000..ee8bb72
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/maxim,ds26522.txt@@ -0,0 +1,13 @@ +* Maxim (Dallas) DS26522 Dual T1/E1/J1 Transceiver + +Required properties: +- compatible: Should contain "maxim,ds26522". +- reg: SPI CS. +- spi-max-frequency: SPI clock. + +Example: + slic@1 { + compatible = "maxim,ds26522"; + reg = <1>; + spi-max-frequency = <2000000>; /* input clock */ + };
diff --git a/arch/powerpc/boot/dts/t104xd4rdb.dtsi b/arch/powerpc/boot/dts/t104xd4rdb.dtsi
index 491367b..3f6d7c6 100644
--- a/arch/powerpc/boot/dts/t104xd4rdb.dtsi
+++ b/arch/powerpc/boot/dts/t104xd4rdb.dtsi@@ -109,6 +109,16 @@ /* input clock */ spi-max-frequency = <10000000>; }; + slic@1 { + compatible = "maxim,ds26522"; + reg = <1>; + spi-max-frequency = <2000000>; /* input clock */ + }; + slic@2 { + compatible = "maxim,ds26522"; + reg = <2>; + spi-max-frequency = <2000000>; /* input clock */ + }; }; i2c@118000 { hwmon@4c {
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2.1.0.27.g96db324