riscv: dts: thead: Add TH1520 I2C1 controller

Describe the TH1520 I2C1 controller so boards can enable devices attached
to that bus.

The controller is disabled by default because pinmuxing and connected
peripherals are board-specific.

Signed-off-by: MoeLeak <i@leak.moe>
Signed-off-by: Drew Fustini <fustini@kernel.org>

diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index 5e91dc1d2b9b7eb1171203eaf405fc7a4d0ae66e..94932c51b7e392cd75dc934b22c36be30f39fbcb 100644 (file)
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -411,6 +411,17 @@
                        status = "disabled";
                };
 
+               i2c1: i2c@ffe7f24000 {
+                       compatible = "thead,th1520-i2c", "snps,designware-i2c";
+                       reg = <0xff 0xe7f24000 0x0 0x4000>;
+                       interrupts = <45 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&clk CLK_I2C1>, <&clk CLK_PERI_APB_PCLK>;
+                       clock-names = "ref", "pclk";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       status = "disabled";
+               };
+
                gpio@ffe7f34000 {
                        compatible = "snps,dw-apb-gpio";
                        reg = <0xff 0xe7f34000 0x0 0x1000>;