arm64: dts: sc7180: Add required-opps for i2c

qup-i2c devices on sc7180 are clocked with a fixed clock (19.2 MHz)
Though qup-i2c does not support DVFS, it still needs to vote for a
performance state on 'CX' to satisfy the 19.2 Mhz clock frequency
requirement.

Use 'required-opps' to pass this information from
device tree, and also add the power-domains property to specify
the CX power-domain.

Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index a9a052f..e7f0e5c 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -786,6 +786,8 @@
                                                <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>;
                                interconnect-names = "qup-core", "qup-config",
                                                        "qup-memory";
+                               power-domains = <&rpmhpd SC7180_CX>;
+                               required-opps = <&rpmhpd_opp_low_svs>;
                                status = "disabled";
                        };
 
@@ -838,6 +840,8 @@
                                                <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>;
                                interconnect-names = "qup-core", "qup-config",
                                                        "qup-memory";
+                               power-domains = <&rpmhpd SC7180_CX>;
+                               required-opps = <&rpmhpd_opp_low_svs>;
                                status = "disabled";
                        };
 
@@ -890,6 +894,8 @@
                                                <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>;
                                interconnect-names = "qup-core", "qup-config",
                                                        "qup-memory";
+                               power-domains = <&rpmhpd SC7180_CX>;
+                               required-opps = <&rpmhpd_opp_low_svs>;
                                status = "disabled";
                        };
 
@@ -924,6 +930,8 @@
                                                <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>;
                                interconnect-names = "qup-core", "qup-config",
                                                        "qup-memory";
+                               power-domains = <&rpmhpd SC7180_CX>;
+                               required-opps = <&rpmhpd_opp_low_svs>;
                                status = "disabled";
                        };
 
@@ -976,6 +984,8 @@
                                                <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>;
                                interconnect-names = "qup-core", "qup-config",
                                                        "qup-memory";
+                               power-domains = <&rpmhpd SC7180_CX>;
+                               required-opps = <&rpmhpd_opp_low_svs>;
                                status = "disabled";
                        };
 
@@ -1010,6 +1020,8 @@
                                                <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>;
                                interconnect-names = "qup-core", "qup-config",
                                                        "qup-memory";
+                               power-domains = <&rpmhpd SC7180_CX>;
+                               required-opps = <&rpmhpd_opp_low_svs>;
                                status = "disabled";
                        };
 
@@ -1075,6 +1087,8 @@
                                                <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>;
                                interconnect-names = "qup-core", "qup-config",
                                                        "qup-memory";
+                               power-domains = <&rpmhpd SC7180_CX>;
+                               required-opps = <&rpmhpd_opp_low_svs>;
                                status = "disabled";
                        };
 
@@ -1127,6 +1141,8 @@
                                                <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>;
                                interconnect-names = "qup-core", "qup-config",
                                                        "qup-memory";
+                               power-domains = <&rpmhpd SC7180_CX>;
+                               required-opps = <&rpmhpd_opp_low_svs>;
                                status = "disabled";
                        };
 
@@ -1161,6 +1177,8 @@
                                                <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>;
                                interconnect-names = "qup-core", "qup-config",
                                                        "qup-memory";
+                               power-domains = <&rpmhpd SC7180_CX>;
+                               required-opps = <&rpmhpd_opp_low_svs>;
                                status = "disabled";
                        };
 
@@ -1213,6 +1231,8 @@
                                                <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>;
                                interconnect-names = "qup-core", "qup-config",
                                                        "qup-memory";
+                               power-domains = <&rpmhpd SC7180_CX>;
+                               required-opps = <&rpmhpd_opp_low_svs>;
                                status = "disabled";
                        };
 
@@ -1247,6 +1267,8 @@
                                                <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>;
                                interconnect-names = "qup-core", "qup-config",
                                                        "qup-memory";
+                               power-domains = <&rpmhpd SC7180_CX>;
+                               required-opps = <&rpmhpd_opp_low_svs>;
                                status = "disabled";
                        };
 
@@ -1299,6 +1321,8 @@
                                                <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>;
                                interconnect-names = "qup-core", "qup-config",
                                                        "qup-memory";
+                               power-domains = <&rpmhpd SC7180_CX>;
+                               required-opps = <&rpmhpd_opp_low_svs>;
                                status = "disabled";
                        };