From: Marek Vasut <marek.vasut+renesas@xxxxxxxxx>
Add dma-ranges property into /soc node to describe the DMA capabilities
of the bus. This is currently needed to translate PCI DMA ranges, which
are limited to 32bit addresses.
Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxx>
Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-renesas-soc@xxxxxxxxxxxxxxx
To: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
---
NOTE: This is needed for the following patches to work correctly:
https://patchwork.ozlabs.org/patch/1144870/
https://patchwork.ozlabs.org/patch/1144871/
---
arch/arm64/boot/dts/renesas/r8a7795.dtsi | 1 +
arch/arm64/boot/dts/renesas/r8a7796.dtsi | 1 +
arch/arm64/boot/dts/renesas/r8a77965.dtsi | 1 +
3 files changed, 3 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index 95deff66eeb6..2102140a6723 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -330,6 +330,7 @@
#address-cells = <2>;
#size-cells = <2>;
ranges;
+ dma-ranges = <0 0x40000000 0 0x40000000 0 0xc0000000>;
rwdt: watchdog@e6020000 {
compatible = "renesas,r8a7795-wdt", "renesas,rcar-gen3-wdt";
diff --git a/arch/arm64/boot/dts/renesas/r8a7796.dtsi b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
index 3dc9d73f589a..d115ff34d0db 100644
--- a/arch/arm64/boot/dts/renesas/r8a7796.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
@@ -300,6 +300,7 @@
#address-cells = <2>;
#size-cells = <2>;
ranges;
+ dma-ranges = <0 0x40000000 0 0x40000000 0 0xc0000000>;
rwdt: watchdog@e6020000 {
compatible = "renesas,r8a7796-wdt",
diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
index 4ae163220f60..74d934cfe44e 100644
--- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
@@ -183,6 +183,7 @@
#address-cells = <2>;
#size-cells = <2>;
ranges;
+ dma-ranges = <0 0x40000000 0 0x40000000 0 0xc0000000>;
rwdt: watchdog@e6020000 {
compatible = "renesas,r8a77965-wdt",
--
2.23.0.rc1
