The Marvell Berlin BG4CT SoC has 4 TWSI which are compatible with the
Synopsys DesignWare I2C driver. Add the corresponding nodes.
Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxxx>
---
arch/arm64/boot/dts/marvell/berlin4ct.dtsi | 52 ++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/arch/arm64/boot/dts/marvell/berlin4ct.dtsi b/arch/arm64/boot/dts/marvell/berlin4ct.dtsi
index cca4c41..39d0676 100644
--- a/arch/arm64/boot/dts/marvell/berlin4ct.dtsi
+++ b/arch/arm64/boot/dts/marvell/berlin4ct.dtsi
@@ -232,6 +232,32 @@
};
};
+ i2c0: i2c@1400 {
+ compatible = "snps,designware-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x1400 0x100>;
+ clocks = <&clk CLK_APBCORE>;
+ i2c-sda-hold-time-ns = <35>;
+ i2c-sda-falling-time-ns = <425>;
+ i2c-scl-falling-time-ns = <205>;
+ interrupts = <4>;
+ status = "disabled";
+ };
+
+ i2c1: i2c@1800 {
+ compatible = "snps,designware-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x1800 0x100>;
+ clocks = <&clk CLK_APBCORE>;
+ i2c-sda-hold-time-ns = <35>;
+ i2c-sda-falling-time-ns = <425>;
+ i2c-scl-falling-time-ns = <205>;
+ interrupts = <5>;
+ status = "disabled";
+ };
+
aic: interrupt-controller@3800 {
compatible = "snps,dw-apb-ictl";
reg = <0x3800 0x30>;
@@ -319,6 +345,32 @@
};
};
+ i2c2: i2c@b000 {
+ compatible = "snps,designware-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0xb000 0x100>;
+ clocks = <&osc>;
+ i2c-sda-hold-time-ns = <140>;
+ i2c-sda-falling-time-ns = <500>;
+ i2c-scl-falling-time-ns = <220>;
+ interrupts = <6>;
+ status = "disabled";
+ };
+
+ i2c3: i2c@c000 {
+ compatible = "snps,designware-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0xc000 0x100>;
+ clocks = <&osc>;
+ i2c-sda-hold-time-ns = <140>;
+ i2c-sda-falling-time-ns = <500>;
+ i2c-scl-falling-time-ns = <220>;
+ interrupts = <7>;
+ status = "disabled";
+ };
+
uart0: uart@d000 {
compatible = "snps,dw-apb-uart";
reg = <0xd000 0x100>;
--
2.6.2
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