diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-5.10/033-v5.16-0024-ARM-dts-BCM5301X-Fix-I2C-controller-interrupt.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-5.10/033-v5.16-0024-ARM-dts-BCM5301X-Fix-I2C-controller-interrupt.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-5.10/033-v5.16-0024-ARM-dts-BCM5301X-Fix-I2C-controller-interrupt.patch b/target/linux/bcm53xx/patches-5.10/033-v5.16-0024-ARM-dts-BCM5301X-Fix-I2C-controller-interrupt.patch new file mode 100644 index 0000000000..36ac748af0 --- /dev/null +++ b/target/linux/bcm53xx/patches-5.10/033-v5.16-0024-ARM-dts-BCM5301X-Fix-I2C-controller-interrupt.patch @@ -0,0 +1,29 @@ +From 6e238362b9793bf334c9bed2291b571cbbc75b0b Mon Sep 17 00:00:00 2001 +From: Florian Fainelli <f.fainelli@gmail.com> +Date: Wed, 27 Oct 2021 12:37:29 -0700 +Subject: [PATCH] ARM: dts: BCM5301X: Fix I2C controller interrupt + +The I2C interrupt controller line is off by 32 because the datasheet +describes interrupt inputs into the GIC which are for Shared Peripheral +Interrupts and are starting at offset 32. The ARM GIC binding expects +the SPI interrupts to be numbered from 0 relative to the SPI base. + +Fixes: bb097e3e0045 ("ARM: dts: BCM5301X: Add I2C support to the DT") +Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> +Tested-by: Christian Lamparter <chunkeey@gmail.com> +Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> +--- + arch/arm/boot/dts/bcm5301x.dtsi | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/arch/arm/boot/dts/bcm5301x.dtsi ++++ b/arch/arm/boot/dts/bcm5301x.dtsi +@@ -408,7 +408,7 @@ + i2c0: i2c@18009000 { + compatible = "brcm,iproc-i2c"; + reg = <0x18009000 0x50>; +- interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>; ++ interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>; + #address-cells = <1>; + #size-cells = <0>; + clock-frequency = <100000>; |