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Message-ID: <6145353d-0d33-7bca-c3eb-f635519a948e@linaro.org>
Date: Mon, 16 Jan 2023 15:30:48 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: linux-arm-msm@...r.kernel.org, andersson@...nel.org,
agross@...nel.org, krzysztof.kozlowski@...aro.org
Cc: marijn.suijten@...ainline.org,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...ainline.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v9 6/6] arm64: dts: qcom: msm8998: Configure CPRh
On 16.01.2023 10:38, Konrad Dybcio wrote:
> From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...ainline.org>
>
> Now that the CPR v3/v4/Hardened is ready, enable it on MSM8998.
>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...ainline.org>
> [Konrad: separate from adding cpufreq, sort nodes and use lowercase hex]
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
[...]
> + cpu0_opp_table: opp-table-cpu0 {
> + compatible = "operating-points-v2";
> + opp-shared;
> +
> + opp-1900800000 {
> + opp-hz = /bits/ 64 <1900800000>;
> + required-opps = <&cprh_opp22>;
> + qcom,pll-override = <0x094f004f>;
> + qcom,spare-data = <3>;
As Dmitry pointed out to me in private, these properties belong
to the CPUFREQ patch and - with this series alone - are considered
undocumented.
Konrad
> + };
> +
> + opp-1824000000 {
> + opp-hz = /bits/ 64 <1824000000>;
> + required-opps = <&cprh_opp21>;
> + qcom,pll-override = <0x084c004c>;
> + qcom,spare-data = <3>;
> + };
> +
> + opp-1747200000 {
> + opp-hz = /bits/ 64 <1747200000>;
> + required-opps = <&cprh_opp20>;
> + qcom,pll-override = <0x08490049>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1670400000 {
> + opp-hz = /bits/ 64 <1670400000>;
> + required-opps = <&cprh_opp19>;
> + qcom,pll-override = <0x08460046>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1555200000 {
> + opp-hz = /bits/ 64 <1555200000>;
> + required-opps = <&cprh_opp18>;
> + qcom,pll-override = <0x07410041>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1478400000 {
> + opp-hz = /bits/ 64 <1478400000>;
> + required-opps = <&cprh_opp17>;
> + qcom,pll-override = <0x073e003e>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1401600000 {
> + opp-hz = /bits/ 64 <1401600000>;
> + required-opps = <&cprh_opp16>;
> + qcom,pll-override = <0x063a003a>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1324800000 {
> + opp-hz = /bits/ 64 <1324800000>;
> + required-opps = <&cprh_opp15>;
> + qcom,pll-override = <0x06370037>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1248000000 {
> + opp-hz = /bits/ 64 <1248000000>;
> + required-opps = <&cprh_opp14>;
> + qcom,pll-override = <0x05340034>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1171200000 {
> + opp-hz = /bits/ 64 <1171200000>;
> + required-opps = <&cprh_opp13>;
> + qcom,pll-override = <0x05310031>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1094400000 {
> + opp-hz = /bits/ 64 <1094400000>;
> + required-opps = <&cprh_opp12>;
> + qcom,pll-override = <0x052e002e>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1036800000 {
> + opp-hz = /bits/ 64 <1036800000>;
> + required-opps = <&cprh_opp11>;
> + qcom,pll-override = <0x042b002b>;
> + qcom,spare-data = <1>;
> + };
> +
> + opp-960000000 {
> + opp-hz = /bits/ 64 <960000000>;
> + required-opps = <&cprh_opp10>;
> + qcom,pll-override = <0x4280028>;
> + qcom,spare-data = <1>;
> + };
> +
> + opp-883200000 {
> + opp-hz = /bits/ 64 <883200000>;
> + required-opps = <&cprh_opp9>;
> + qcom,pll-override = <0x4250025>;
> + qcom,spare-data = <1>;
> + };
> +
> + opp-825600000 {
> + opp-hz = /bits/ 64 <825600000>;
> + required-opps = <&cprh_opp8>;
> + qcom,pll-override = <0x3200022>;
> + qcom,spare-data = <1>;
> + };
> +
> + opp-748800000 {
> + opp-hz = /bits/ 64 <748800000>;
> + required-opps = <&cprh_opp7>;
> + qcom,pll-override = <0x3200020>;
> + qcom,spare-data = <1>;
> + qcom,pll-div = <1>;
> + };
> +
> + opp-672000000 {
> + opp-hz = /bits/ 64 <672000000>;
> + required-opps = <&cprh_opp6>;
> + qcom,pll-override = <0x3200020>;
> + qcom,spare-data = <1>;
> + qcom,pll-div = <1>;
> + };
> +
> + opp-595200000 {
> + opp-hz = /bits/ 64 <595200000>;
> + required-opps = <&cprh_opp5>;
> + qcom,pll-override = <0x2200020>;
> + qcom,spare-data = <1>;
> + qcom,pll-div = <1>;
> + };
> +
> + opp-518400000 {
> + opp-hz = /bits/ 64 <518400000>;
> + required-opps = <&cprh_opp4>;
> + qcom,pll-override = <0x2200020>;
> + qcom,spare-data = <1>;
> + qcom,pll-div = <1>;
> + };
> +
> + opp-441600000 {
> + opp-hz = /bits/ 64 <441600000>;
> + required-opps = <&cprh_opp3>;
> + qcom,pll-override = <0x2200020>;
> + qcom,spare-data = <1>;
> + qcom,pll-div = <1>;
> + };
> +
> + opp-364800000 {
> + opp-hz = /bits/ 64 <364800000>;
> + required-opps = <&cprh_opp2>;
> + qcom,pll-override = <0x1200020>;
> + qcom,spare-data = <1>;
> + qcom,pll-div = <1>;
> + };
> +
> + opp-300000000 {
> + opp-hz = /bits/ 64 <300000000>;
> + required-opps = <&cprh_opp1>;
> + qcom,pll-override = <0x1200020>;
> + };
> + };
> +
> + cpu4_opp_table: opp-table-cpu4 {
> + compatible = "operating-points-v2";
> + opp-shared;
> +
> + opp-2361600000 {
> + opp-hz = /bits/ 64 <2361600000>;
> + required-opps = <&cprh_opp30>;
> + qcom,pll-override = <0x0a620062>;
> + qcom,spare-data = <3>;
> + };
> +
> + opp-2342400000 {
> + opp-hz = /bits/ 64 <2342400000>;
> + required-opps = <&cprh_opp29>;
> + qcom,pll-override = <0x0a620062>;
> + qcom,spare-data = <3>;
> + };
> +
> + opp-2323200000 {
> + opp-hz = /bits/ 64 <2323200000>;
> + required-opps = <&cprh_opp28>;
> + qcom,pll-override = <0x0a610061>;
> + qcom,spare-data = <3>;
> + };
> +
> + opp-2265600000 {
> + opp-hz = /bits/ 64 <2265600000>;
> + required-opps = <&cprh_opp27>;
> + qcom,pll-override = <0x0a5e005e>;
> + qcom,spare-data = <3>;
> + };
> +
> + opp-2208000000 {
> + opp-hz = /bits/ 64 <2208000000>;
> + required-opps = <&cprh_opp26>;
> + qcom,pll-override = <0x0a5c005c>;
> + qcom,spare-data = <3>;
> + };
> +
> + opp-2112000000 {
> + opp-hz = /bits/ 64 <2112000000>;
> + required-opps = <&cprh_opp25>;
> + qcom,pll-override = <0x0a580058>;
> + qcom,spare-data = <3>;
> + };
> +
> + opp-2035200000 {
> + opp-hz = /bits/ 64 <2035200000>;
> + required-opps = <&cprh_opp24>;
> + qcom,pll-override = <0x09550055>;
> + qcom,spare-data = <3>;
> + };
> +
> + opp-1958400000 {
> + opp-hz = /bits/ 64 <1958400000>;
> + required-opps = <&cprh_opp23>;
> + qcom,pll-override = <0x09520052>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1881600000 {
> + opp-hz = /bits/ 64 <1881600000>;
> + required-opps = <&cprh_opp22>;
> + qcom,pll-override = <0x094e004e>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1804800000 {
> + opp-hz = /bits/ 64 <1804800000>;
> + required-opps = <&cprh_opp21>;
> + qcom,pll-override = <0x084b004b>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1728000000 {
> + opp-hz = /bits/ 64 <1728000000>;
> + required-opps = <&cprh_opp20>;
> + qcom,pll-override = <0x08480048>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1651200000 {
> + opp-hz = /bits/ 64 <1651200000>;
> + required-opps = <&cprh_opp19>;
> + qcom,pll-override = <0x07450045>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1574400000 {
> + opp-hz = /bits/ 64 <1574400000>;
> + required-opps = <&cprh_opp18>;
> + qcom,pll-override = <0x07420042>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1497600000 {
> + opp-hz = /bits/ 64 <1497600000>;
> + required-opps = <&cprh_opp17>;
> + qcom,pll-override = <0x073e003e>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1420800000 {
> + opp-hz = /bits/ 64 <1420800000>;
> + required-opps = <&cprh_opp16>;
> + qcom,pll-override = <0x063b003b>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1344000000 {
> + opp-hz = /bits/ 64 <1344000000>;
> + required-opps = <&cprh_opp15>;
> + qcom,pll-override = <0x06380038>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1267200000 {
> + opp-hz = /bits/ 64 <1267200000>;
> + required-opps = <&cprh_opp14>;
> + qcom,pll-override = <0x06350035>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1190400000 {
> + opp-hz = /bits/ 64 <1190400000>;
> + required-opps = <&cprh_opp13>;
> + qcom,pll-override = <0x05320032>;
> + qcom,spare-data = <2>;
> + };
> +
> + opp-1132800000 {
> + opp-hz = /bits/ 64 <1132800000>;
> + required-opps = <&cprh_opp12>;
> + qcom,pll-override = <0x052f002f>;
> + qcom,spare-data = <1>;
> + };
> +
> + opp-1056000000 {
> + opp-hz = /bits/ 64 <1056000000>;
> + required-opps = <&cprh_opp11>;
> + qcom,pll-override = <0x052c002c>;
> + qcom,spare-data = <1>;
> + };
> +
> + opp-979200000 {
> + opp-hz = /bits/ 64 <979200000>;
> + required-opps = <&cprh_opp10>;
> + qcom,pll-override = <0x4290029>;
> + qcom,spare-data = <1>;
> + };
> +
> + opp-902400000 {
> + opp-hz = /bits/ 64 <902400000>;
> + required-opps = <&cprh_opp9>;
> + qcom,pll-override = <0x4260026>;
> + qcom,spare-data = <1>;
> + };
> +
> + opp-806400000 {
> + opp-hz = /bits/ 64 <806400000>;
> + required-opps = <&cprh_opp8>;
> + qcom,pll-override = <0x3200022>;
> + qcom,spare-data = <1>;
> + qcom,pll-div = <1>;
> + };
> +
> + opp-729600000 {
> + opp-hz = /bits/ 64 <729600000>;
> + required-opps = <&cprh_opp7>;
> + qcom,pll-override = <0x3200020>;
> + qcom,spare-data = <1>;
> + qcom,pll-div = <1>;
> + };
> +
> + opp-652800000 {
> + opp-hz = /bits/ 64 <652800000>;
> + required-opps = <&cprh_opp6>;
> + qcom,pll-override = <0x3200020>;
> + qcom,spare-data = <1>;
> + qcom,pll-div = <1>;
> + };
> +
> + opp-576000000 {
> + opp-hz = /bits/ 64 <576000000>;
> + required-opps = <&cprh_opp5>;
> + qcom,pll-override = <0x2200020>;
> + qcom,spare-data = <1>;
> + qcom,pll-div = <1>;
> + };
> +
> + opp-499200000 {
> + opp-hz = /bits/ 64 <499200000>;
> + required-opps = <&cprh_opp4>;
> + qcom,pll-override = <0x2200020>;
> + qcom,spare-data = <1>;
> + qcom,pll-div = <1>;
> + };
> +
> + opp-422400000 {
> + opp-hz = /bits/ 64 <422400000>;
> + required-opps = <&cprh_opp3>;
> + qcom,pll-override = <0x2200020>;
> + qcom,spare-data = <1>;
> + qcom,pll-div = <1>;
> + };
> +
> + opp-345600000 {
> + opp-hz = /bits/ 64 <345600000>;
> + required-opps = <&cprh_opp2>;
> + qcom,pll-override = <0x1200020>;
> + qcom,spare-data = <1>;
> + qcom,pll-div = <1>;
> + };
> +
> + opp-300000000 {
> + opp-hz = /bits/ 64 <300000000>;
> + required-opps = <&cprh_opp1>;
> + qcom,pll-override = <0x1200020>;
> + qcom,spare-data = <1>;
> + };
> + };
> +
> psci {
> compatible = "arm,psci-1.0";
> method = "smc";
> @@ -839,6 +1463,174 @@ qfprom: qfprom@...000 {
> #address-cells = <1>;
> #size-cells = <1>;
>
> + cpr_efuse_speedbin: speedbin@133 {
> + reg = <0x133 0x8>;
> + bits = <5 3>;
> + };
> +
> + cpr_fuse_revision: cpr_fusing_rev@13e {
> + reg = <0x13e 0x1>;
> + bits = <3 3>;
> + };
> +
> + /* CPR Ring Oscillator: Power Cluster */
> + cpr_ro_sel3_pwrcl: rosel3_pwrcl@218 {
> + reg = <0x218 0x1>;
> + bits = <0 4>;
> + };
> +
> + cpr_ro_sel2_pwrcl: rosel2_pwrcl@218 {
> + reg = <0x218 0x1>;
> + bits = <4 4>;
> + };
> +
> + cpr_ro_sel1_pwrcl: rosel1_pwrcl@219 {
> + reg = <0x219 0x1>;
> + bits = <0 4>;
> + };
> +
> + cpr_ro_sel0_pwrcl: rosel0_pwrcl@219 {
> + reg = <0x219 0x1>;
> + bits = <4 4>;
> + };
> +
> + /* CPR Init Voltage: Power Cluster */
> + cpr_init_voltage3_pwrcl: ivolt3_pwrcl@21a {
> + reg = <0x21a 0x1>;
> + bits = <0 6>;
> + };
> +
> + cpr_init_voltage2_pwrcl: ivolt2_pwrcl@21a {
> + reg = <0x21a 0x1>;
> + bits = <6 6>;
> + };
> +
> + cpr_init_voltage1_pwrcl: ivolt1_pwrcl@21b {
> + reg = <0x21b 0x1>;
> + bits = <4 6>;
> + };
> +
> + cpr_init_voltage0_pwrcl: ivolt0_pwrcl@21c {
> + reg = <0x21c 0x1>;
> + bits = <2 6>;
> + };
> +
> + /* CPR Target Quotients: Power Cluster */
> + cpr_quot3_pwrcl: quot3_pwrcl@21d {
> + reg = <0x21d 0x2>;
> + bits = <6 12>;
> + };
> +
> + cpr_quot2_pwrcl: quot2_pwrcl@21f {
> + reg = <0x21f 0x2>;
> + bits = <2 11>;
> + };
> +
> + cpr_quot1_pwrcl: quot1_pwrcl@220 {
> + reg = <0x220 0x2>;
> + bits = <6 12>;
> + };
> +
> + cpr_quot0_pwrcl: quot0_pwrcl@222 {
> + reg = <0x222 0x2>;
> + bits = <2 12>;
> + };
> +
> + /* CPR Quotient Offsets: Power Cluster */
> + cpr_quot_offset3_pwrcl: qoff3_pwrcl@226 {
> + reg = <0x226 0x1>;
> + bits = <1 7>;
> + };
> +
> + cpr_quot_offset2_pwrcl: qoff2_pwrcl@227 {
> + reg = <0x227 0x1>;
> + bits = <0 7>;
> + };
> +
> + cpr_quot_offset1_pwrcl: qoff1_pwrcl@227 {
> + reg = <0x227 0x1>;
> + bits = <7 6>;
> + };
> +
> + /* CPR Ring Oscillator: Performance Cluster */
> + cpr_ro_sel3_perfcl: rosel3_perfcl@229 {
> + reg = <0x229 0x1>;
> + bits = <6 4>;
> + };
> +
> + cpr_ro_sel2_perfcl: rosel2_perfcl@22a {
> + reg = <0x22a 0x1>;
> + bits = <2 4>;
> + };
> +
> + cpr_ro_sel1_perfcl: rosel1_perfcl@22a {
> + reg = <0x22a 0x1>;
> + bits = <6 4>;
> + };
> +
> + cpr_ro_sel0_perfcl: rosel0_perfcl@22b {
> + reg = <0x22b 0x1>;
> + bits = <2 4>;
> + };
> +
> + /* CPR Init Voltage: Performance Cluster */
> + cpr_init_voltage3_perfcl: ivolt3_perfcl@22b {
> + reg = <0x22b 0x1>;
> + bits = <6 6>;
> + };
> +
> + cpr_init_voltage2_perfcl: ivolt2_perfcl@22c {
> + reg = <0x22c 0x1>;
> + bits = <4 6>;
> + };
> +
> + cpr_init_voltage1_perfcl: ivolt1_perfcl@22d {
> + reg = <0x22d 0x1>;
> + bits = <2 6>;
> + };
> +
> + cpr_init_voltage0_perfcl: ivolt0_perfcl@22e {
> + reg = <0x22e 0x1>;
> + bits = <0 6>;
> + };
> +
> + /* CPR Target Quotients: Performance Cluster */
> + cpr_quot3_perfcl: quot3_perfcl@22f {
> + reg = <0x22f 0x2>;
> + bits = <4 11>;
> + };
> +
> + cpr_quot2_perfcl: quot2_perfcl@231 {
> + reg = <0x231 0x2>;
> + bits = <0 12>;
> + };
> +
> + cpr_quot1_perfcl: quot1_perfcl@232 {
> + reg = <0x232 0x2>;
> + bits = <4 12>;
> + };
> +
> + cpr_quot0_perfcl: quot0_perfcl@234 {
> + reg = <0x234 0x2>;
> + bits = <0 12>;
> + };
> +
> + /* CPR Quotient Offsets: Performance Cluster */
> + cpr_quot_offset3_perfcl: qoff3_perfcl@237 {
> + reg = <0x237 0x1>;
> + bits = <7 6>;
> + };
> +
> + cpr_quot_offset2_perfcl: qoff2_perfcl@238 {
> + reg = <0x238 0x1>;
> + bits = <6 7>;
> + };
> +
> + cpr_quot_offset1_perfcl: qoff1_perfcl@239 {
> + reg = <0x239 0x1>;
> + bits = <5 3>;
> + };
> +
> qusb2_hstx_trim: hstx-trim@23a {
> reg = <0x23a 0x1>;
> bits = <0 4>;
> @@ -2998,6 +3790,87 @@ frame@...28000 {
> };
> };
>
> + apc_cprh: power-controller@...c8000 {
> + compatible = "qcom,msm8998-cprh", "qcom,cprh";
> + reg = <0x179c8000 0x4000>, <0x179c4000 0x4000>;
> +
> + clocks = <&gcc GCC_HMSS_RBCPR_CLK>;
> + clock-names = "ref";
> +
> + /* Set the CPR clock here, it needs to match XO */
> + assigned-clocks = <&gcc GCC_HMSS_RBCPR_CLK>;
> + assigned-clock-rates = <19200000>;
> +
> + operating-points-v2 = <&cprh_opp_table>;
> + power-domains = <&rpmpd MSM8998_VDDCX_AO>;
> + #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>,
> + <&cpr_quot0_perfcl>,
> + <&cpr_quot1_perfcl>,
> + <&cpr_quot2_perfcl>,
> + <&cpr_quot3_perfcl>,
> + <&cpr_quot_offset1_perfcl>,
> + <&cpr_quot_offset2_perfcl>,
> + <&cpr_quot_offset3_perfcl>,
> + <&cpr_init_voltage0_perfcl>,
> + <&cpr_init_voltage1_perfcl>,
> + <&cpr_init_voltage2_perfcl>,
> + <&cpr_init_voltage3_perfcl>,
> + <&cpr_ro_sel0_perfcl>,
> + <&cpr_ro_sel1_perfcl>,
> + <&cpr_ro_sel2_perfcl>,
> + <&cpr_ro_sel3_perfcl>;
> + 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",
> + "cpr1_quotient1",
> + "cpr1_quotient2",
> + "cpr1_quotient3",
> + "cpr1_quotient4",
> + "cpr1_quotient_offset2",
> + "cpr1_quotient_offset3",
> + "cpr1_quotient_offset4",
> + "cpr1_init_voltage1",
> + "cpr1_init_voltage2",
> + "cpr1_init_voltage3",
> + "cpr1_init_voltage4",
> + "cpr1_ring_osc1",
> + "cpr1_ring_osc2",
> + "cpr1_ring_osc3",
> + "cpr1_ring_osc4";
> + };
> +
> intc: interrupt-controller@...00000 {
> compatible = "arm,gic-v3";
> reg = <0x17a00000 0x10000>, /* GICD */
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