arm64: dts: broadcom: rp1: add i2c controller

The RaspberryPi 5 has 7 designware-i2c I2C controller on the RP1
chipset.

Add the relevant nodes to the devicetree.

Signed-off-by: Gregor Herburger <gregor.herburger@linutronix.de>
Link: https://lore.kernel.org/r/20260226-raspi-dts-updates-v1-1-60832d20ff04@linutronix.de
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>

diff --git a/arch/arm64/boot/dts/broadcom/rp1-common.dtsi b/arch/arm64/boot/dts/broadcom/rp1-common.dtsi
index 5a815c379794524de542a62e7b157fbefe4b4b59..58179094e30e7e0eb6242de9edc460fd4a0b7685 100644 (file)
--- a/arch/arm64/boot/dts/broadcom/rp1-common.dtsi
+++ b/arch/arm64/boot/dts/broadcom/rp1-common.dtsi
@@ -26,6 +26,83 @@ pci_ep_bus: pci-ep-bus@1 {
                                       <200000000>;  // RP1_CLK_SYS
        };
 
+       rp1_i2c0: i2c@40070000 {
+               compatible = "snps,designware-i2c";
+               reg = <0x0 0x40070000  0x0 0x1000>;
+               interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&rp1_clocks RP1_CLK_SYS>;
+               i2c-scl-rising-time-ns = <65>;
+               i2c-scl-falling-time-ns = <100>;
+
+               status = "disabled";
+       };
+
+       rp1_i2c1: i2c@40074000 {
+               compatible = "snps,designware-i2c";
+               reg = <0x0 0x40074000  0x0 0x1000>;
+               interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&rp1_clocks RP1_CLK_SYS>;
+               i2c-scl-rising-time-ns = <65>;
+               i2c-scl-falling-time-ns = <100>;
+
+               status = "disabled";
+       };
+
+       rp1_i2c2: i2c@40078000 {
+               compatible = "snps,designware-i2c";
+               reg = <0x0 0x40078000  0x0 0x1000>;
+               interrupts = <9 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&rp1_clocks RP1_CLK_SYS>;
+               i2c-scl-rising-time-ns = <65>;
+               i2c-scl-falling-time-ns = <100>;
+
+               status = "disabled";
+       };
+
+       rp1_i2c3: i2c@4007c000 {
+               compatible = "snps,designware-i2c";
+               reg = <0x0 0x4007c000  0x0 0x1000>;
+               interrupts = <10 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&rp1_clocks RP1_CLK_SYS>;
+               i2c-scl-rising-time-ns = <65>;
+               i2c-scl-falling-time-ns = <100>;
+
+               status = "disabled";
+       };
+
+       rp1_i2c4: i2c@40080000 {
+               compatible = "snps,designware-i2c";
+               reg = <0x0 0x40080000  0x0 0x1000>;
+               interrupts = <11 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&rp1_clocks RP1_CLK_SYS>;
+               i2c-scl-rising-time-ns = <65>;
+               i2c-scl-falling-time-ns = <100>;
+
+               status = "disabled";
+       };
+
+       rp1_i2c5: i2c@40084000 {
+               compatible = "snps,designware-i2c";
+               reg = <0x0 0x40084000  0x0 0x1000>;
+               interrupts = <12 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&rp1_clocks RP1_CLK_SYS>;
+               i2c-scl-rising-time-ns = <65>;
+               i2c-scl-falling-time-ns = <100>;
+
+               status = "disabled";
+       };
+
+       rp1_i2c6: i2c@40088000 {
+               compatible = "snps,designware-i2c";
+               reg = <0x0 0x40088000  0x0 0x1000>;
+               interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&rp1_clocks RP1_CLK_SYS>;
+               i2c-scl-rising-time-ns = <65>;
+               i2c-scl-falling-time-ns = <100>;
+
+               status = "disabled";
+       };
+
        rp1_gpio: pinctrl@400d0000 {
                compatible = "raspberrypi,rp1-gpio";
                reg = <0x00 0x400d0000  0x0 0xc000>,