Re: [PATCH 3/5] arm64: dts: mt8186: Add IOMMU and SMI nodes

From: AngeloGioacchino Del Regno
Date: Tue Sep 27 2022 - 09:40:54 EST


Il 23/09/22 15:11, Allen-KH Cheng ha scritto:
Add iommu and smi nodes for mt8186 SoC.

Signed-off-by: Allen-KH Cheng <allen-kh.cheng@xxxxxxxxxxxx>
---
arch/arm64/boot/dts/mediatek/mt8186.dtsi | 173 +++++++++++++++++++++++
1 file changed, 173 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8186.dtsi b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
index 833e7037fe22..68f06bef88f3 100644
--- a/arch/arm64/boot/dts/mediatek/mt8186.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
@@ -7,6 +7,7 @@
#include <dt-bindings/clock/mt8186-clk.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/memory/mt8186-memory-port.h>
#include <dt-bindings/pinctrl/mt8186-pinfunc.h>
#include <dt-bindings/power/mt8186-power.h>
#include <dt-bindings/phy/phy.h>
@@ -944,24 +945,113 @@
#reset-cells = <1>;
};
+ smi_common: smi@14002000 {
+ compatible = "mediatek,mt8186-smi-common";
+ reg = <0 0x14002000 0 0x1000>;
+ clocks = <&mmsys CLK_MM_SMI_COMMON>, <&mmsys CLK_MM_SMI_COMMON>,
+ <&mmsys CLK_MM_SMI_GALS>, <&mmsys CLK_MM_SMI_GALS>;
+ clock-names = "apb", "smi", "gals0", "gals1";
+ power-domains = <&spm MT8186_POWER_DOMAIN_DIS>;
+ };
+
+ larb0: smi@14003000 {
+ compatible = "mediatek,mt8186-smi-larb";
+ reg = <0 0x14003000 0 0x1000>;
+ mediatek,larb-id = <0>;
+ mediatek,smi = <&smi_common>;

Order by name after reg please...

compatible
reg
clocks
clock-names
mediatek,larb-id
mediatek,smi
power-domains

+ clocks = <&mmsys CLK_MM_SMI_COMMON>,
+ <&mmsys CLK_MM_SMI_COMMON>;
+ clock-names = "apb", "smi";
+ power-domains = <&spm MT8186_POWER_DOMAIN_DIS>;
+ };
+
+ larb1: smi@14004000 {
+ compatible = "mediatek,mt8186-smi-larb";
+ reg = <0 0x14004000 0 0x1000>;
+ mediatek,larb-id = <1>;
+ mediatek,smi = <&smi_common>;
+ clocks = <&mmsys CLK_MM_SMI_COMMON>,
+ <&mmsys CLK_MM_SMI_COMMON>;
+ clock-names = "apb", "smi";
+ power-domains = <&spm MT8186_POWER_DOMAIN_DIS>;
+ };
+
+ iommu_mm: iommu@14016000 {
+ compatible = "mediatek,mt8186-iommu-mm";
+ reg = <0 0x14016000 0 0x1000>;
+ mediatek,larbs = <&larb0 &larb1 &larb2 &larb4
+ &larb7 &larb8 &larb9 &larb11
+ &larb13 &larb14 &larb16 &larb17
+ &larb19 &larb20>;
+ interrupts = <GIC_SPI 313 IRQ_TYPE_LEVEL_HIGH 0>;
+ clocks = <&mmsys CLK_MM_SMI_IOMMU>;
+ clock-names = "bclk";

clocks
clock-names
interrupts
mediatek,larbs
power-domains

...etc :-)

P.S.: Same comment for the other commits, too!

Regards,
Angelo