arm64: dts: rockchip: Add basic cpu frequencies for RK3368

This adds and enable the operating points that have been tested and are
currently supported by the SoC. This also adds clocks for ARMCLKL and
ARMCLKB.

Signed-off-by: Romain Perier <romain.perier@collabora.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
index b6f234f..e4f6be0 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
@@ -113,7 +113,8 @@
                        compatible = "arm,cortex-a53", "arm,armv8";
                        reg = <0x0 0x0>;
                        enable-method = "psci";
-
+                       clocks = <&cru ARMCLKL>;
+                       operating-points-v2 = <&cluster0_opp>;
                        #cooling-cells = <2>; /* min followed by max */
                };
 
@@ -122,6 +123,8 @@
                        compatible = "arm,cortex-a53", "arm,armv8";
                        reg = <0x0 0x1>;
                        enable-method = "psci";
+                       clocks = <&cru ARMCLKL>;
+                       operating-points-v2 = <&cluster0_opp>;
                };
 
                cpu_l2: cpu@2 {
@@ -129,6 +132,8 @@
                        compatible = "arm,cortex-a53", "arm,armv8";
                        reg = <0x0 0x2>;
                        enable-method = "psci";
+                       clocks = <&cru ARMCLKL>;
+                       operating-points-v2 = <&cluster0_opp>;
                };
 
                cpu_l3: cpu@3 {
@@ -136,6 +141,8 @@
                        compatible = "arm,cortex-a53", "arm,armv8";
                        reg = <0x0 0x3>;
                        enable-method = "psci";
+                       clocks = <&cru ARMCLKL>;
+                       operating-points-v2 = <&cluster0_opp>;
                };
 
                cpu_b0: cpu@100 {
@@ -143,7 +150,8 @@
                        compatible = "arm,cortex-a53", "arm,armv8";
                        reg = <0x0 0x100>;
                        enable-method = "psci";
-
+                       clocks = <&cru ARMCLKB>;
+                       operating-points-v2 = <&cluster1_opp>;
                        #cooling-cells = <2>; /* min followed by max */
                };
 
@@ -152,6 +160,8 @@
                        compatible = "arm,cortex-a53", "arm,armv8";
                        reg = <0x0 0x101>;
                        enable-method = "psci";
+                       clocks = <&cru ARMCLKB>;
+                       operating-points-v2 = <&cluster1_opp>;
                };
 
                cpu_b2: cpu@102 {
@@ -159,6 +169,8 @@
                        compatible = "arm,cortex-a53", "arm,armv8";
                        reg = <0x0 0x102>;
                        enable-method = "psci";
+                       clocks = <&cru ARMCLKB>;
+                       operating-points-v2 = <&cluster1_opp>;
                };
 
                cpu_b3: cpu@103 {
@@ -166,6 +178,62 @@
                        compatible = "arm,cortex-a53", "arm,armv8";
                        reg = <0x0 0x103>;
                        enable-method = "psci";
+                       clocks = <&cru ARMCLKB>;
+                       operating-points-v2 = <&cluster1_opp>;
+               };
+       };
+
+       cluster0_opp: opp-table0 {
+               compatible = "operating-points-v2";
+               opp-shared;
+
+               opp00 {
+                       opp-hz = /bits/ 64 <312000000>;
+                       opp-microvolt = <950000>;
+                       clock-latency-ns = <40000>;
+               };
+               opp01 {
+                       opp-hz = /bits/ 64 <408000000>;
+                       opp-microvolt = <950000>;
+               };
+               opp02 {
+                       opp-hz = /bits/ 64 <600000000>;
+                       opp-microvolt = <950000>;
+               };
+               opp03 {
+                       opp-hz = /bits/ 64 <816000000>;
+                       opp-microvolt = <1025000>;
+               };
+               opp04 {
+                       opp-hz = /bits/ 64 <1008000000>;
+                       opp-microvolt = <1125000>;
+               };
+       };
+
+       cluster1_opp: opp-table1 {
+               compatible = "operating-points-v2";
+               opp-shared;
+
+               opp00 {
+                       opp-hz = /bits/ 64 <312000000>;
+                       opp-microvolt = <950000>;
+                       clock-latency-ns = <40000>;
+               };
+               opp01 {
+                       opp-hz = /bits/ 64 <408000000>;
+                       opp-microvolt = <950000>;
+               };
+               opp02 {
+                       opp-hz = /bits/ 64 <600000000>;
+                       opp-microvolt = <950000>;
+               };
+               opp03 {
+                       opp-hz = /bits/ 64 <816000000>;
+                       opp-microvolt = <975000>;
+               };
+               opp04 {
+                       opp-hz = /bits/ 64 <1008000000>;
+                       opp-microvolt = <1050000>;
                };
        };