ARM: dts: imx7s: Define operating points table for cpufreq

Processor operating points for imx7s.dtsi should be properly defined to
perform correct imx-cpufreq-dt probe and registration and provide an
access to the temperature sensors using the i.MX thermal driver.

Signed-off-by: Denys Drozdov <denys.drozdov@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
index 52a9aeecdbb2c112489f6a435a7efddc374208bb..5af6d58666f42a2dde82e71c3a5d9ad00baeec72 100644 (file)
--- a/arch/arm/boot/dts/imx7s.dtsi
+++ b/arch/arm/boot/dts/imx7s.dtsi
@@ -76,6 +76,22 @@
                        clock-latency = <61036>; /* two CLK32 periods */
                        clocks = <&clks IMX7D_CLK_ARM>;
                        cpu-idle-states = <&cpu_sleep_wait>;
+                       operating-points-v2 = <&cpu0_opp_table>;
+                       #cooling-cells = <2>;
+                       nvmem-cells = <&fuse_grade>;
+                       nvmem-cell-names = "speed_grade";
+               };
+       };
+
+       cpu0_opp_table: opp-table {
+               compatible = "operating-points-v2";
+               opp-shared;
+
+               opp-792000000 {
+                       opp-hz = /bits/ 64 <792000000>;
+                       opp-microvolt = <1000000>;
+                       clock-latency-ns = <150000>;
+                       opp-supported-hw = <0xf>, <0xf>;
                };
        };