---
arch/arm64/boot/dts/Makefile | 1 +
arch/arm64/boot/dts/aspeed/aspeed-g7.dtsi | 217 ++++++++++++++++++++++
2 files changed, 218 insertions(+)
create mode 100644 arch/arm64/boot/dts/aspeed/aspeed-g7.dtsi
diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 21cd3a87f385..c909c19dc5dd 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -34,3 +34,4 @@ subdir-y += tesla
subdir-y += ti
subdir-y += toshiba
subdir-y += xilinx
+subdir-y += aspeed
diff --git a/arch/arm64/boot/dts/aspeed/aspeed-g7.dtsi b/arch/arm64/boot/dts/aspeed/aspeed-g7.dtsi
new file mode 100644
index 000000000000..858ab95251e4
--- /dev/null
+++ b/arch/arm64/boot/dts/aspeed/aspeed-g7.dtsi
@@ -0,0 +1,217 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#include <dt-bindings/clock/aspeed,ast2700-clk.h>
+#include <dt-bindings/reset/aspeed,ast2700-reset.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/interrupt-controller/aspeed-scu-ic.h>
+
+/ {
+ model = "Aspeed BMC";
+ compatible = "aspeed,ast2700";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ interrupt-parent = <&gic>;
+
+ aliases {
+ serial12 = &uart12;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ compatible = "arm,cortex-a35";
+ enable-method = "psci";
+ device_type = "cpu";
+ reg = <0>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>;
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ next-level-cache = <&l2>;
+ };
+
+ cpu@1 {
+ compatible = "arm,cortex-a35";
+ enable-method = "psci";
+ device_type = "cpu";
+ reg = <1>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>;
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ next-level-cache = <&l2>;
+ };
+
+ cpu@2 {
+ compatible = "arm,cortex-a35";
+ enable-method = "psci";
+ device_type = "cpu";
+ reg = <2>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>;
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ next-level-cache = <&l2>;
+ };
+
+ cpu@3 {
+ compatible = "arm,cortex-a35";
+ enable-method = "psci";
+ device_type = "cpu";
+ reg = <3>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>;
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ next-level-cache = <&l2>;
+ };
+
+ l2: l2-cache0 {
+ compatible = "cache";
+ cache-size = <0x80000>;
+ cache-line-size = <64>;
+ cache-sets = <1024>;
+ cache-level = <2>;
+ };
+ };
+
+ pmu {
+ compatible = "arm,cortex-a35-pmu";
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
+ };
+
+ psci {
+ compatible = "arm,psci-1.0";
+ method = "smc";
+ };
+
+ gic: interrupt-controller@12200000 {
+ compatible = "arm,gic-v3";
+ interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
+ #interrupt-cells = <3>;
+ interrupt-controller;
+ interrupt-parent = <&gic>;
+ #redistributor-regions = <1>;
+ reg = <0 0x12200000 0 0x10000>, //GICD
+ <0 0x12280000 0 0x80000>, //GICR
+ <0 0x40440000 0 0x1000>; //GICC
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
+ arm,cpu-registers-not-fw-configured;
+ always-on;
+ };
+
+ soc0: soc@10000000 {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ soc0_sram: sram@10000000 {
+ compatible = "mmio-sram";
+ reg = <0x0 0x10000000 0x0 0x20000>; /* 128KiB SRAM on soc0 */
+ ranges = <0x0 0x0 0x0 0x10000000 0x0 0x20000>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ no-memory-wc;
+
+ exported@0 {
+ reg = <0 0x0 0 0x20000>;
+ export;
+ };
+ };
+
+ syscon0: syscon@12c02000 {
+ compatible = "aspeed,ast2700-scu0", "syscon", "simple-mfd";
+ reg = <0x0 0x12c02000 0x0 0x1000>;
+ ranges = <0x0 0x0 0 0x12c02000 0 0x1000>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+
+ silicon-id@0 {
+ compatible = "aspeed,ast2700-silicon-id", "aspeed,silicon-id";
+ reg = <0 0x0 0 0x4>;
+ };
+
+ scu_ic0: interrupt-controller@1D0 {
+ #interrupt-cells = <1>;
+ compatible = "aspeed,ast2700-scu-ic0";
+ reg = <0 0x1d0 0 0xc>;
+ interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ };
+
+ scu_ic1: interrupt-controller@1E0 {
+ #interrupt-cells = <1>;
+ compatible = "aspeed,ast2700-scu-ic1";
+ reg = <0 0x1e0 0 0xc>;
+ interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ };
+
+ soc0_rst: reset-controller@200 {
+ reg = <0 0x200 0 0x40>;
+ };
+
+ soc0_clk: clock-controller@240 {
+ reg = <0 0x240 0 0x1c0>;
+ };
+ };
+
+ };
+
+ soc1: soc@14000000 {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ syscon1: syscon@14c02000 {
+ compatible = "aspeed,ast2700-scu1", "syscon", "simple-mfd";
+ reg = <0x0 0x14c02000 0x0 0x1000>;
+ ranges = <0x0 0x0 0x0 0x14c02000 0x0 0x1000>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+
+ soc1_rst: reset-controller@200 {
+ #reset-cells = <1>;
+ };
+
+ soc1_clk: clock-controller@240 {
+ reg = <0 0x240 0 0x1c0>;
+ };
+ };
+
+ uart12: serial@14c33b00 {
+ compatible = "ns16550a";
+ reg = <0x0 0x14c33b00 0x0 0x100>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ clocks = <&syscon1 SCU1_CLK_GATE_UART12CLK>;
+ no-loopback-test;
+ pinctrl-names = "default";
+ };
+ };
+};
+
--
2.34.1
On 26/07/2024 13:03, Kevin Chen wrote: > --- > arch/arm64/boot/dts/Makefile | 1 + > arch/arm64/boot/dts/aspeed/aspeed-g7.dtsi | 217 ++++++++++++++++++++++ > 2 files changed, 218 insertions(+) > create mode 100644 arch/arm64/boot/dts/aspeed/aspeed-g7.dtsi > > diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile > index 21cd3a87f385..c909c19dc5dd 100644 > --- a/arch/arm64/boot/dts/Makefile > +++ b/arch/arm64/boot/dts/Makefile > @@ -34,3 +34,4 @@ subdir-y += tesla > subdir-y += ti > subdir-y += toshiba > subdir-y += xilinx > +subdir-y += aspeed > diff --git a/arch/arm64/boot/dts/aspeed/aspeed-g7.dtsi b/arch/arm64/boot/dts/aspeed/aspeed-g7.dtsi > new file mode 100644 > index 000000000000..858ab95251e4 > --- /dev/null > +++ b/arch/arm64/boot/dts/aspeed/aspeed-g7.dtsi > @@ -0,0 +1,217 @@ > +// SPDX-License-Identifier: GPL-2.0-or-later > +#include <dt-bindings/clock/aspeed,ast2700-clk.h> > +#include <dt-bindings/reset/aspeed,ast2700-reset.h> > +#include <dt-bindings/interrupt-controller/arm-gic.h> > +#include <dt-bindings/interrupt-controller/aspeed-scu-ic.h> > + > +/ { > + model = "Aspeed BMC"; Model of what? No, drop. > + compatible = "aspeed,ast2700"; Please run scripts/checkpatch.pl and fix reported warnings. Then please run `scripts/checkpatch.pl --strict` and (probably) fix more warnings. Some warnings can be ignored, especially from --strict run, but the code here looks like it needs a fix. Feel free to get in touch if the warning is not clear. > + #address-cells = <2>; > + #size-cells = <2>; > + interrupt-parent = <&gic>; > + > + aliases { > + serial12 = &uart12; Nope. Such aliases are board specific. > + }; > + > + cpus { > + #address-cells = <1>; > + #size-cells = <0>; > + > + cpu@0 { > + compatible = "arm,cortex-a35"; > + enable-method = "psci"; > + device_type = "cpu"; > + reg = <0>; > + d-cache-size = <0x8000>; > + d-cache-line-size = <64>; > + d-cache-sets = <128>; > + i-cache-size = <0x8000>; > + i-cache-line-size = <64>; > + i-cache-sets = <256>; > + next-level-cache = <&l2>; > + }; > + > + cpu@1 { > + compatible = "arm,cortex-a35"; > + enable-method = "psci"; > + device_type = "cpu"; > + reg = <1>; > + d-cache-size = <0x8000>; > + d-cache-line-size = <64>; > + d-cache-sets = <128>; > + i-cache-size = <0x8000>; > + i-cache-line-size = <64>; > + i-cache-sets = <256>; > + next-level-cache = <&l2>; > + }; > + > + cpu@2 { > + compatible = "arm,cortex-a35"; > + enable-method = "psci"; > + device_type = "cpu"; > + reg = <2>; > + d-cache-size = <0x8000>; > + d-cache-line-size = <64>; > + d-cache-sets = <128>; > + i-cache-size = <0x8000>; > + i-cache-line-size = <64>; > + i-cache-sets = <256>; > + next-level-cache = <&l2>; > + }; > + > + cpu@3 { > + compatible = "arm,cortex-a35"; > + enable-method = "psci"; > + device_type = "cpu"; > + reg = <3>; > + d-cache-size = <0x8000>; > + d-cache-line-size = <64>; > + d-cache-sets = <128>; > + i-cache-size = <0x8000>; > + i-cache-line-size = <64>; > + i-cache-sets = <256>; > + next-level-cache = <&l2>; > + }; > + > + l2: l2-cache0 { > + compatible = "cache"; > + cache-size = <0x80000>; > + cache-line-size = <64>; > + cache-sets = <1024>; > + cache-level = <2>; > + }; > + }; > + > + pmu { > + compatible = "arm,cortex-a35-pmu"; > + interrupt-parent = <&gic>; > + interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>; > + }; > + > + psci { Order the nodes according to DTS coding style. Fix all your patches: 1. To pass flawlessly checkpatch (you did not run it) 2. To pass dt_binding_check and dtbs_check (you did not run these) 3. To adhere to kernel coding style 4. To adhere to DTS coding style > + compatible = "arm,psci-1.0"; > + method = "smc"; > + }; > + > + gic: interrupt-controller@12200000 { Nope, this cannot be outside of SoC. > + compatible = "arm,gic-v3"; > + interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>; > + #interrupt-cells = <3>; > + interrupt-controller; > + interrupt-parent = <&gic>; > + #redistributor-regions = <1>; > + reg = <0 0x12200000 0 0x10000>, //GICD > + <0 0x12280000 0 0x80000>, //GICR > + <0 0x40440000 0 0x1000>; //GICC Read DTS coding style and order this correctly. > + }; > + > + timer { > + compatible = "arm,armv8-timer"; > + interrupt-parent = <&gic>; > + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>; > + arm,cpu-registers-not-fw-configured; > + always-on; > + }; > + > + soc0: soc@10000000 { > + compatible = "simple-bus"; > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + soc0_sram: sram@10000000 { > + compatible = "mmio-sram"; > + reg = <0x0 0x10000000 0x0 0x20000>; /* 128KiB SRAM on soc0 */ > + ranges = <0x0 0x0 0x0 0x10000000 0x0 0x20000>; > + #address-cells = <2>; > + #size-cells = <2>; > + no-memory-wc; > + > + exported@0 { > + reg = <0 0x0 0 0x20000>; > + export; > + }; > + }; > + > + syscon0: syscon@12c02000 { > + compatible = "aspeed,ast2700-scu0", "syscon", "simple-mfd"; > + reg = <0x0 0x12c02000 0x0 0x1000>; > + ranges = <0x0 0x0 0 0x12c02000 0 0x1000>; > + #address-cells = <2>; > + #size-cells = <2>; > + #clock-cells = <1>; > + #reset-cells = <1>; > + > + silicon-id@0 { > + compatible = "aspeed,ast2700-silicon-id", "aspeed,silicon-id"; > + reg = <0 0x0 0 0x4>; > + }; > + > + scu_ic0: interrupt-controller@1D0 { DTS coding style... > + #interrupt-cells = <1>; > + compatible = "aspeed,ast2700-scu-ic0"; > + reg = <0 0x1d0 0 0xc>; > + interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>; > + interrupt-controller; > + }; > + > + scu_ic1: interrupt-controller@1E0 { > + #interrupt-cells = <1>; > + compatible = "aspeed,ast2700-scu-ic1"; > + reg = <0 0x1e0 0 0xc>; > + interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>; > + interrupt-controller; > + }; > + > + soc0_rst: reset-controller@200 { > + reg = <0 0x200 0 0x40>; > + }; > + > + soc0_clk: clock-controller@240 { > + reg = <0 0x240 0 0x1c0>; > + }; > + }; > + > + }; > + > + soc1: soc@14000000 { Wait, what, to socs? > + compatible = "simple-bus"; > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + syscon1: syscon@14c02000 { > + compatible = "aspeed,ast2700-scu1", "syscon", "simple-mfd"; > + reg = <0x0 0x14c02000 0x0 0x1000>; > + ranges = <0x0 0x0 0x0 0x14c02000 0x0 0x1000>; > + #address-cells = <2>; > + #size-cells = <2>; > + #clock-cells = <1>; > + #reset-cells = <1>; > + > + soc1_rst: reset-controller@200 { > + #reset-cells = <1>; > + }; > + > + soc1_clk: clock-controller@240 { > + reg = <0 0x240 0 0x1c0>; > + }; > + }; > + > + uart12: serial@14c33b00 { > + compatible = "ns16550a"; > + reg = <0x0 0x14c33b00 0x0 0x100>; > + reg-shift = <2>; > + reg-io-width = <4>; > + clocks = <&syscon1 SCU1_CLK_GATE_UART12CLK>; > + no-loopback-test; > + pinctrl-names = "default"; What is this? > + }; > + }; > +}; > + Best regards, Krzysztof
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