[PATCH v6 9/9] arm64: dts: qcom: ipq9574: Enable CPR

From: Varadarajan Narayanan
Date: Wed Jul 10 2024 - 02:14:27 EST

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* Add CPR, RPMPD, OPP table nodes as applicable to IPQ9574 to
enable CPR functionality on IPQ9574.

* Bootloader set frequency 792MHz is added to the OPP table to
the avoid 'need at least 2 OPPs to use CPR' error

* Remove 1.2GHz as it is not supported in any of the IPQ9574 SKUs.

Signed-off-by: Varadarajan Narayanan <quic_varada@xxxxxxxxxxx>
---
v6: Fix subject prefix
v4: s/cprh/cpr4/
v2: Update commit log. No code change.
---
arch/arm64/boot/dts/qcom/ipq9574.dtsi | 269 ++++++++++++++++++++++++--
1 file changed, 252 insertions(+), 17 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
index 04ba09a9156c..cda30a877877 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
@@ -11,6 +11,7 @@
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/reset/qcom,ipq9574-gcc.h>
#include <dt-bindings/thermal/thermal.h>
+#include <dt-bindings/power/qcom-rpmpd.h>

/ {
interrupt-parent = <&intc>;
@@ -42,8 +43,9 @@ CPU0: cpu@0 {
clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
clock-names = "cpu";
operating-points-v2 = <&cpu_opp_table>;
- cpu-supply = <&ipq9574_s1>;
#cooling-cells = <2>;
+ power-domains = <&apc_cpr4 0>;
+ power-domain-names = "perf";
};

CPU1: cpu@1 {
@@ -55,8 +57,9 @@ CPU1: cpu@1 {
clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
clock-names = "cpu";
operating-points-v2 = <&cpu_opp_table>;
- cpu-supply = <&ipq9574_s1>;
#cooling-cells = <2>;
+ power-domains = <&apc_cpr4 0>;
+ power-domain-names = "perf";
};

CPU2: cpu@2 {
@@ -68,8 +71,9 @@ CPU2: cpu@2 {
clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
clock-names = "cpu";
operating-points-v2 = <&cpu_opp_table>;
- cpu-supply = <&ipq9574_s1>;
#cooling-cells = <2>;
+ power-domains = <&apc_cpr4 0>;
+ power-domain-names = "perf";
};

CPU3: cpu@3 {
@@ -81,8 +85,9 @@ CPU3: cpu@3 {
clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
clock-names = "cpu";
operating-points-v2 = <&cpu_opp_table>;
- cpu-supply = <&ipq9574_s1>;
#cooling-cells = <2>;
+ power-domains = <&apc_cpr4 0>;
+ power-domain-names = "perf";
};

L2_0: l2-cache {
@@ -105,58 +110,111 @@ memory@40000000 {
reg = <0x0 0x40000000 0x0 0x0>;
};

+ cpr4_opp_table: opp-table-cpr4 {
+ compatible = "operating-points-v2-qcom-level";
+
+ cpr4_opp0: opp-0 {
+ opp-level = <1>;
+ qcom,opp-fuse-level = <1>;
+ qcom,opp-cloop-vadj = <0>;
+ qcom,opp-oloop-vadj = <0>;
+ };
+
+ cpr4_opp1: opp-1 {
+ opp-level = <2>;
+ qcom,opp-fuse-level = <1>;
+ qcom,opp-cloop-vadj = <0>;
+ qcom,opp-oloop-vadj = <0>;
+ };
+
+ cpr4_opp2: opp-2 {
+ opp-level = <3>;
+ qcom,opp-fuse-level = <1>;
+ qcom,opp-cloop-vadj = <0>;
+ qcom,opp-oloop-vadj = <0>;
+ };
+
+ cpr4_opp3: opp-3 {
+ opp-level = <4>;
+ qcom,opp-fuse-level = <2>;
+ qcom,opp-cloop-vadj = <0>;
+ qcom,opp-oloop-vadj = <0>;
+ };
+
+ cpr4_opp4: opp-4 {
+ opp-level = <5>;
+ qcom,opp-fuse-level = <2>;
+ qcom,opp-cloop-vadj = <0>;
+ qcom,opp-oloop-vadj = <0>;
+ };
+
+ cpr4_opp5: opp-5 {
+ opp-level = <6>;
+ qcom,opp-fuse-level = <3>;
+ qcom,opp-cloop-vadj = <0>;
+ qcom,opp-oloop-vadj = <0>;
+ };
+
+ cpr4_opp6: opp-6 {
+ opp-level = <7>;
+ qcom,opp-fuse-level = <4>;
+ qcom,opp-cloop-vadj = <0>;
+ qcom,opp-oloop-vadj = <0>;
+ };
+ };
+
cpu_opp_table: opp-table-cpu {
compatible = "operating-points-v2-kryo-cpu";
opp-shared;
nvmem-cells = <&cpu_speed_bin>;

+ opp-792000000 {
+ opp-hz = /bits/ 64 <792000000>;
+ opp-supported-hw = <0x0>;
+ clock-latency-ns = <200000>;
+ required-opps = <&cpr4_opp0>;
+ };
+
opp-936000000 {
opp-hz = /bits/ 64 <936000000>;
- opp-microvolt = <725000>;
opp-supported-hw = <0xf>;
clock-latency-ns = <200000>;
+ required-opps = <&cpr4_opp1>;
};

opp-1104000000 {
opp-hz = /bits/ 64 <1104000000>;
- opp-microvolt = <787500>;
- opp-supported-hw = <0xf>;
- clock-latency-ns = <200000>;
- };
-
- opp-1200000000 {
- opp-hz = /bits/ 64 <1200000000>;
- opp-microvolt = <862500>;
opp-supported-hw = <0xf>;
clock-latency-ns = <200000>;
+ required-opps = <&cpr4_opp2>;
};

opp-1416000000 {
opp-hz = /bits/ 64 <1416000000>;
- opp-microvolt = <862500>;
opp-supported-hw = <0x7>;
clock-latency-ns = <200000>;
+ required-opps = <&cpr4_opp3>;
};

opp-1488000000 {
opp-hz = /bits/ 64 <1488000000>;
- opp-microvolt = <925000>;
opp-supported-hw = <0x7>;
clock-latency-ns = <200000>;
+ required-opps = <&cpr4_opp4>;
};

opp-1800000000 {
opp-hz = /bits/ 64 <1800000000>;
- opp-microvolt = <987500>;
opp-supported-hw = <0x5>;
clock-latency-ns = <200000>;
+ required-opps = <&cpr4_opp5>;
};

opp-2208000000 {
opp-hz = /bits/ 64 <2208000000>;
- opp-microvolt = <1062500>;
opp-supported-hw = <0x1>;
clock-latency-ns = <200000>;
+ required-opps = <&cpr4_opp6>;
};
};

@@ -182,6 +240,40 @@ glink-edge {
rpm_requests: rpm-requests {
compatible = "qcom,rpm-ipq9574";
qcom,glink-channels = "rpm_requests";
+
+ rpmpd: power-controller {
+ compatible = "qcom,ipq9574-rpmpd";
+ #power-domain-cells = <1>;
+ operating-points-v2 = <&rpmpd_opp_table>;
+
+ rpmpd_opp_table: opp-table {
+ compatible = "operating-points-v2";
+
+ rpmpd_opp_svs: opp1 {
+ opp-level = <RPM_SMD_LEVEL_SVS>;
+ };
+
+ rpmpd_opp_svs_plus: opp2 {
+ opp-level = <RPM_SMD_LEVEL_SVS_PLUS>;
+ };
+
+ rpmpd_opp_nom: opp3 {
+ opp-level = <RPM_SMD_LEVEL_NOM>;
+ };
+
+ rpmpd_opp_nom_plus: opp4 {
+ opp-level = <RPM_SMD_LEVEL_NOM_PLUS>;
+ };
+
+ rpmpd_opp_turbo: opp5 {
+ opp-level = <RPM_SMD_LEVEL_TURBO>;
+ };
+
+ rpmpd_opp_turbo_high: opp6 {
+ opp-level = <RPM_SMD_LEVEL_TURBO_HIGH>;
+ };
+ };
+ };
};
};
};
@@ -252,6 +344,95 @@ cpu_speed_bin: cpu-speed-bin@15 {
reg = <0x15 0x2>;
bits = <7 2>;
};
+
+ cpr_efuse_speedbin: speedbin@5 {
+ reg = <0x5 0x8>;
+ bits = <0 3>;
+ };
+
+ cpr_fuse_revision: cpr-fusing-rev@7 {
+ reg = <0x7 0x8>;
+ bits = <1 5>;
+ };
+
+ /* CPR Ring Oscillator: Power Cluster */
+ cpr_ro_sel0_pwrcl: rosel0-pwrcl@358 { /* ROSEL_SVS */
+ reg = <0x358 0x1>;
+ bits = <4 4>;
+ };
+
+ cpr_ro_sel1_pwrcl: rosel1-pwrcl@358 { /* ROSEL_NOM */
+ reg = <0x358 0x1>;
+ bits = <0 4>;
+ };
+
+ cpr_ro_sel2_pwrcl: rosel2-pwrcl@350 { /* ROSEL_TUR */
+ reg = <0x350 0x1>;
+ bits = <4 4>;
+ };
+
+ cpr_ro_sel3_pwrcl: rosel3-pwrcl@350 { /* ROSEL_STUR */
+ reg = <0x350 0x1>;
+ bits = <0 4>;
+ };
+
+ /* CPR Init Voltage: Power Cluster */
+ cpr_init_voltage0_pwrcl: ivolt0-pwrcl@343 { /* VOLT_SVS */
+ reg = <0x343 0x1>;
+ bits = <0 6>;
+ };
+
+ cpr_init_voltage1_pwrcl: ivolt1-pwrcl@342 { /* VOLT_NOM */
+ reg = <0x342 0x1>;
+ bits = <2 6>;
+ };
+
+ cpr_init_voltage2_pwrcl: ivolt2-pwrcl@341 { /* VOLT_TUR */
+ reg = <0x341 0x2>;
+ bits = <4 6>;
+ };
+
+ cpr_init_voltage3_pwrcl: ivolt3-pwrcl@340 { /* VOLT_STUR */
+ reg = <0x340 0x2>;
+ bits = <6 6>;
+ };
+
+ /* CPR Target Quotients: Power Cluster */
+ cpr_quot0_pwrcl: quot0-pwrcl@354 { /* QUOT_VMIN_SVS */
+ reg = <0x354 0x2>;
+ bits = <0 12>;
+ };
+
+ cpr_quot1_pwrcl: quot1-pwrcl@352 { /* QUOT_VMIN_NOM */
+ reg = <0x352 0x2>;
+ bits = <4 12>;
+ };
+
+ cpr_quot2_pwrcl: quot2-pwrcl@351 { /* QUOT_VMIN_TUR */
+ reg = <0x351 0x2>;
+ bits = <0 12>;
+ };
+
+ cpr_quot3_pwrcl: quot3-pwrcl@355 { /* QUOT_VMIN_STUR */
+ reg = <0x355 0x2>;
+ bits = <4 12>;
+ };
+
+ /* CPR Quotient Offsets: Power Cluster */
+ cpr_quot_offset1_pwrcl: qoff1-pwrcl@34e { /* QUOT_OFFSET_NOM_SVS */
+ reg = <0x34e 0x1>;
+ bits = <0 8>;
+ };
+
+ cpr_quot_offset2_pwrcl: qoff2-pwrcl@34d { /* QUOT_OFFSET_TUR_NOM */
+ reg = <0x34d 0x1>;
+ bits = <0 8>;
+ };
+
+ cpr_quot_offset3_pwrcl: qoff0-pwrcl@34c { /* QUOT_OFFSET_STUR_TUR */
+ reg = <0x34c 0x1>;
+ bits = <0 8>;
+ };
};

cryptobam: dma-controller@704000 {
@@ -639,6 +820,60 @@ usb_0_dwc3: usb@8a00000 {
};
};

+ apc_cpr4: power-controller@b018000 {
+ compatible = "qcom,ipq9574-cpr4", "qcom,cprh";
+ reg = <0x0b018000 0x4000>,
+ <0x00048000 0x4000>;
+
+ clocks = <&gcc GCC_RBCPR_CLK>;
+
+ interrupts = <GIC_SPI 15 IRQ_TYPE_EDGE_RISING>;
+ vdd-supply = <&ipq9574_s1>;
+
+ /* Set the CPR clock here, it needs to match XO */
+ assigned-clocks = <&gcc GCC_RBCPR_CLK>;
+ assigned-clock-rates = <24000000>;
+
+ operating-points-v2 = <&cpr4_opp_table>;
+ power-domains = <&rpmpd IPQ9574_VDDAPC>;
+ #power-domain-cells = <1>;
+
+ nvmem-cells = <&cpr_efuse_speedbin>,
+ <&cpr_fuse_revision>,
+ <&cpr_quot0_pwrcl>,
+ <&cpr_quot1_pwrcl>,
+ <&cpr_quot2_pwrcl>,
+ <&cpr_quot3_pwrcl>,
+ <&cpr_quot_offset1_pwrcl>,
+ <&cpr_quot_offset2_pwrcl>,
+ <&cpr_quot_offset3_pwrcl>,
+ <&cpr_init_voltage0_pwrcl>,
+ <&cpr_init_voltage1_pwrcl>,
+ <&cpr_init_voltage2_pwrcl>,
+ <&cpr_init_voltage3_pwrcl>,
+ <&cpr_ro_sel0_pwrcl>,
+ <&cpr_ro_sel1_pwrcl>,
+ <&cpr_ro_sel2_pwrcl>,
+ <&cpr_ro_sel3_pwrcl>;
+ nvmem-cell-names = "cpr_speed_bin",
+ "cpr_fuse_revision",
+ "cpr0_quotient1",
+ "cpr0_quotient2",
+ "cpr0_quotient3",
+ "cpr0_quotient4",
+ "cpr0_quotient_offset2",
+ "cpr0_quotient_offset3",
+ "cpr0_quotient_offset4",
+ "cpr0_init_voltage1",
+ "cpr0_init_voltage2",
+ "cpr0_init_voltage3",
+ "cpr0_init_voltage4",
+ "cpr0_ring_osc1",
+ "cpr0_ring_osc2",
+ "cpr0_ring_osc3",
+ "cpr0_ring_osc4";
+ };
+
intc: interrupt-controller@b000000 {
compatible = "qcom,msm-qgic2";
reg = <0x0b000000 0x1000>, /* GICD */
--
2.34.1

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