From a109752ea6a55c3682b6ac9114a125c5ce7e5353 Mon Sep 17 00:00:00 2001 From: Zhao Qiang Date: Fri, 21 Aug 2015 10:48:56 +0800 Subject: [PATCH] powerpc/t104xd4rdb: add DS26522 nodes to device tree DS26522 is used for tdm, configured by SPI bus. Add nodes under spi node to t104xd4rdb.dtsi. Signed-off-by: Zhao Qiang Signed-off-by: Scott Wood --- .../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 000000000000..ee8bb725f245 --- /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 491367bd3883..3f6d7c6a106b 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 { -- 2.20.1