[PATCH] arm64: dts: qcom: sc7180: Add iommus property to QUP0 and QUP1
From: Sai Prakash Ranjan
Date: Fri Jan 10 2020 - 05:18:22 EST
Define iommus property for QUP0 and QUP1 with the proper SID
and mask. Below SMMU global faults are seen without this during
boot and when using i2c touchscreen.
QUP0:
arm-smmu 15000000.iommu: Unexpected global fault, this could be serious
arm-smmu 15000000.iommu: GFSR 0x00000002, GFSYNR0 0x00000002, GFSYNR1 0x00000043, GFSYNR2 0x00000000
QUP1:
arm-smmu 15000000.iommu: Unexpected global fault, this could be serious
arm-smmu 15000000.iommu: GFSR 0x00000002, GFSYNR0 0x00000002, GFSYNR1 0x000004c3, GFSYNR2 0x00000000
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sc7180.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 8011c5fe2a31..01e431f49c18 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -338,6 +338,7 @@ qupv3_id_0: geniqup@8c0000 {
#address-cells = <2>;
#size-cells = <2>;
ranges;
+ iommus = <&apps_smmu 0x43 0x0>;
status = "disabled";
i2c0: i2c@880000 {
@@ -546,6 +547,7 @@ qupv3_id_1: geniqup@ac0000 {
#address-cells = <2>;
#size-cells = <2>;
ranges;
+ iommus = <&apps_smmu 0x4c3 0x0>;
status = "disabled";
i2c6: i2c@a80000 {
--
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