ARM: dts: da850: add cpu node and operating points to DT
authorDavid Lechner <david@lechnology.com>
Mon, 27 May 2019 08:22:55 +0000 (10:22 +0200)
committerSekhar Nori <nsekhar@ti.com>
Fri, 14 Jun 2019 12:52:37 +0000 (18:22 +0530)
This adds a cpu node and operating points to the common da850.dtsi file.

All operating points above 300MHz are disabled by default.

Regulators need to be hooked up on a per-board basis.

Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
arch/arm/boot/dts/da850.dtsi

index 559659b399d04d6d9642d673d335772bc8274b5f..0c9a8e78f748589ade48fd94a0ea6a735523ac71 100644 (file)
                reg = <0xc0000000 0x0>;
        };
 
+       cpus {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               cpu: cpu@0 {
+                       compatible = "arm,arm926ej-s";
+                       device_type = "cpu";
+                       reg = <0>;
+                       clocks = <&psc0 14>;
+                       operating-points-v2 = <&opp_table>;
+               };
+       };
+
+       opp_table: opp-table {
+               compatible = "operating-points-v2";
+
+               opp_100: opp100-100000000 {
+                       opp-hz = /bits/ 64 <100000000>;
+                       opp-microvolt = <1000000 950000 1050000>;
+               };
+
+               opp_200: opp110-200000000 {
+                       opp-hz = /bits/ 64 <200000000>;
+                       opp-microvolt = <1100000 1050000 1160000>;
+               };
+
+               opp_300: opp120-300000000 {
+                       opp-hz = /bits/ 64 <300000000>;
+                       opp-microvolt = <1200000 1140000 1320000>;
+               };
+
+               /*
+                * Original silicon was 300MHz max, so higher frequencies
+                * need to be enabled on a per-board basis if the chip is
+                * capable.
+                */
+
+               opp_375: opp120-375000000 {
+                       status = "disabled";
+                       opp-hz = /bits/ 64 <375000000>;
+                       opp-microvolt = <1200000 1140000 1320000>;
+               };
+
+               opp_456: opp130-456000000 {
+                       status = "disabled";
+                       opp-hz = /bits/ 64 <456000000>;
+                       opp-microvolt = <1300000 1250000 1350000>;
+               };
+       };
+
        arm {
                #address-cells = <1>;
                #size-cells = <1>;