DS26522 is used for tdm, configured by SPI bus.
Add nodes under spi node to t104xd4rdb.dtsi.
Signed-off-by: Zhao Qiang <qiang.zhao@xxxxxxxxxxxxx>
---
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 {
--
2.1.0.27.g96db324
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