]> asedeno.scripts.mit.edu Git - linux.git/commitdiff
ARM: dts: r8a7744: Add SMP support
authorBiju Das <biju.das@bp.renesas.com>
Fri, 30 Nov 2018 15:26:21 +0000 (15:26 +0000)
committerSimon Horman <horms+renesas@verge.net.au>
Tue, 4 Dec 2018 13:56:51 +0000 (05:56 -0800)
Add DT node for the Advanced Power Management Unit (APMU), add the
second CPU core, and use "renesas,apmu" as "enable-method".

Also add cpu1 phandle node to the PMU interrupt-affinity property.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
arch/arm/boot/dts/r8a7744.dtsi

index 4d4ddbaba456a99d66c8fae59adfd10b88961c9e..2cb6d8fa2fa035e2649ab02465e84c2919977822 100644 (file)
@@ -49,6 +49,7 @@ can_clk: can {
        cpus {
                #address-cells = <1>;
                #size-cells = <0>;
+               enable-method = "renesas,apmu";
 
                cpu0: cpu@0 {
                        device_type = "cpu";
@@ -69,6 +70,25 @@ cpu0: cpu@0 {
                                           < 375000 1000000>;
                };
 
+               cpu1: cpu@1 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a15";
+                       reg = <1>;
+                       clock-frequency = <1500000000>;
+                       clocks = <&cpg CPG_CORE R8A7744_CLK_Z>;
+                       clock-latency = <300000>; /* 300 us */
+                       power-domains = <&sysc R8A7744_PD_CA15_CPU1>;
+                       next-level-cache = <&L2_CA15>;
+
+                       /* kHz - uV - OPPs unknown yet */
+                       operating-points = <1500000 1000000>,
+                                          <1312500 1000000>,
+                                          <1125000 1000000>,
+                                          < 937500 1000000>,
+                                          < 750000 1000000>,
+                                          < 375000 1000000>;
+               };
+
                L2_CA15: cache-controller-0 {
                        compatible = "cache";
                        cache-unified;
@@ -96,7 +116,7 @@ pmu {
                compatible = "arm,cortex-a15-pmu";
                interrupts-extended = <&gic GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>,
                                      <&gic GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
-               interrupt-affinity = <&cpu0>;
+               interrupt-affinity = <&cpu0>, <&cpu1>;
        };
 
        /* External SCIF clock */
@@ -250,6 +270,12 @@ cpg: clock-controller@e6150000 {
                        #reset-cells = <1>;
                };
 
+               apmu@e6152000 {
+                       compatible = "renesas,r8a7744-apmu", "renesas,apmu";
+                       reg = <0 0xe6152000 0 0x188>;
+                       cpus = <&cpu0 &cpu1>;
+               };
+
                rst: reset-controller@e6160000 {
                        compatible = "renesas,r8a7744-rst";
                        reg = <0 0xe6160000 0 0x100>;
@@ -483,7 +509,7 @@ gic: interrupt-controller@f1001000 {
                        interrupt-controller;
                        reg = <0 0xf1001000 0 0x1000>, <0 0xf1002000 0 0x2000>,
                              <0 0xf1004000 0 0x2000>, <0 0xf1006000 0 0x2000>;
-                       interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_HIGH)>;
+                       interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
                        clocks = <&cpg CPG_MOD 408>;
                        clock-names = "clk";
                        power-domains = <&sysc R8A7744_PD_ALWAYS_ON>;
@@ -520,10 +546,10 @@ prr: chipid@ff000044 {
 
        timer {
                compatible = "arm,armv7-timer";
-               interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
-                                     <&gic GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
-                                     <&gic GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
-                                     <&gic GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>;
+               interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+                                     <&gic GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+                                     <&gic GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+                                     <&gic GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
        };
 
        /* External USB clock - can be overridden by the board */