]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
ARM: dts: bcm63138: Add I2C block
authorLinus Walleij <linusw@kernel.org>
Wed, 18 Feb 2026 09:30:53 +0000 (10:30 +0100)
committerFlorian Fainelli <florian.fainelli@broadcom.com>
Fri, 20 Mar 2026 23:57:30 +0000 (16:57 -0700)
The BCM63138 has a brcmper I2C block.

The interrupt is at INTERRUPT_ID_I2C whic is
(ISR_TABLE3_OFFSET + 19) = 96+115, convert back
to SPI interrupt 115-32 = 83.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: William Zhang <william.zhang@broadcom.com>
Link: https://lore.kernel.org/r/20260218-bcmbca-i2c-dts-v2-6-5373ef82c50c@kernel.org
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
arch/arm/boot/dts/broadcom/bcm63138.dtsi

index 8e41c71304063c0aa89f53880baae8407a89cc97..5b084d61edd7192ce7d5c1b7b900ee371fdb80ca 100644 (file)
                        reg = <0x8000 0x50>;
                };
 
+               i2c0: i2c@3e00 {
+                       compatible = "brcm,brcmper-i2c";
+                       reg = <0x3e00 0x60>;
+                       interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       status = "disabled";
+               };
+
                pl081_dma: dma-controller@d000 {
                        compatible = "arm,pl081", "arm,primecell";
                        // The magic B105F00D info is missing