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// SPDX-License-Identifier: GPL-
2.
0
/*
* Samsung Exynos5420 SoC cpu device tree source
*
* Copyright (c)
2015 Samsung Electronics Co., Ltd.
*
http://www.samsung.com
*
* This file provides desired ordering for Exynos5420 and Exynos5800
* boards: CPU[
0123] being the A15.
*
* The Exynos5420,
5422 and
5800 actually share the same CPU configuration
* but particular boards choose different booting order.
*
* Exynos5420 and Exynos5800 always boot from Cortex-A15. On Exynos5422
* booting cluster (big or LITTLE) is chosen by IROM code by reading
* the gpg2-
1 GPIO. By default all Exynos5422 based boards choose booting
* from the LITTLE: Cortex-A7.
*/
/ {
cpus {
#address-cells = <
1>;
#size-cells = <
0>;
cpu-map {
cluster0 {
core0 {
cpu = <&cpu0>;
};
core1 {
cpu = <&cpu1>;
};
core2 {
cpu = <&cpu2>;
};
core3 {
cpu = <&cpu3>;
};
};
cluster1 {
core0 {
cpu = <&cpu4>;
};
core1 {
cpu = <&cpu5>;
};
core2 {
cpu = <&cpu6>;
};
core3 {
cpu = <&cpu7>;
};
};
};
cpu0: cpu@
0 {
device_type = "cpu";
compatible = "arm,cortex-a15";
reg = <
0x0>;
clocks = <&clock CLK_ARM_CLK>;
clock-frequency = <
1800000000>;
cci-control-port = <&cci_control1>;
operating-points-v2 = <&cluster_a15_opp_table>;
#cooling-cells = <
2>; /* min followed by max */
capacity-dmips-mhz = <
1024>;
};
cpu1: cpu@
1 {
device_type = "cpu";
compatible = "arm,cortex-a15";
reg = <
0x1>;
clocks = <&clock CLK_ARM_CLK>;
clock-frequency = <
1800000000>;
cci-control-port = <&cci_control1>;
operating-points-v2 = <&cluster_a15_opp_table>;
#cooling-cells = <
2>; /* min followed by max */
capacity-dmips-mhz = <
1024>;
};
cpu2: cpu@
2 {
device_type = "cpu";
compatible = "arm,cortex-a15";
reg = <
0x2>;
clocks = <&clock CLK_ARM_CLK>;
clock-frequency = <
1800000000>;
cci-control-port = <&cci_control1>;
operating-points-v2 = <&cluster_a15_opp_table>;
#cooling-cells = <
2>; /* min followed by max */
capacity-dmips-mhz = <
1024>;
};
cpu3: cpu@
3 {
device_type = "cpu";
compatible = "arm,cortex-a15";
reg = <
0x3>;
clocks = <&clock CLK_ARM_CLK>;
clock-frequency = <
1800000000>;
cci-control-port = <&cci_control1>;
operating-points-v2 = <&cluster_a15_opp_table>;
#cooling-cells = <
2>; /* min followed by max */
capacity-dmips-mhz = <
1024>;
};
cpu4: cpu@
100 {
device_type = "cpu";
compatible = "arm,cortex-a7";
reg = <
0x100>;
clocks = <&clock CLK_KFC_CLK>;
clock-frequency = <
1000000000>;
cci-control-port = <&cci_control0>;
operating-points-v2 = <&cluster_a7_opp_table>;
#cooling-cells = <
2>; /* min followed by max */
capacity-dmips-mhz = <
539>;
};
cpu5: cpu@
101 {
device_type = "cpu";
compatible = "arm,cortex-a7";
reg = <
0x101>;
clocks = <&clock CLK_KFC_CLK>;
clock-frequency = <
1000000000>;
cci-control-port = <&cci_control0>;
operating-points-v2 = <&cluster_a7_opp_table>;
#cooling-cells = <
2>; /* min followed by max */
capacity-dmips-mhz = <
539>;
};
cpu6: cpu@
102 {
device_type = "cpu";
compatible = "arm,cortex-a7";
reg = <
0x102>;
clocks = <&clock CLK_KFC_CLK>;
clock-frequency = <
1000000000>;
cci-control-port = <&cci_control0>;
operating-points-v2 = <&cluster_a7_opp_table>;
#cooling-cells = <
2>; /* min followed by max */
capacity-dmips-mhz = <
539>;
};
cpu7: cpu@
103 {
device_type = "cpu";
compatible = "arm,cortex-a7";
reg = <
0x103>;
clocks = <&clock CLK_KFC_CLK>;
clock-frequency = <
1000000000>;
cci-control-port = <&cci_control0>;
operating-points-v2 = <&cluster_a7_opp_table>;
#cooling-cells = <
2>; /* min followed by max */
capacity-dmips-mhz = <
539>;
};
};
};
&arm_a7_pmu {
interrupt-affinity = <&cpu4>, <&cpu5>, <&cpu6>, <&cpu7>;
status = "okay";
};
&arm_a15_pmu {
interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
status = "okay";
};