Link the ARM GIC to the INTC-SYS module clock, and add it to the "always
on" PM Domain, so it can be power managed using that clock.
Note that currently the GIC-400 driver doesn't support module clocks nor
Runtime PM, so this must be handled as a critical clock.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
v2:
- New.
---
arch/arm/boot/dts/r8a7792.dtsi | 11 ++++++++---
include/dt-bindings/clock/r8a7792-clock.h | 1 +
2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/r8a7792.dtsi b/arch/arm/boot/dts/r8a7792.dtsi
index c762f44f7732f352..6c0797ebc08f029c 100644
--- a/arch/arm/boot/dts/r8a7792.dtsi
+++ b/arch/arm/boot/dts/r8a7792.dtsi
@@ -92,6 +92,9 @@
<0 0xf1006000 0 0x2000>;
interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) |
IRQ_TYPE_LEVEL_HIGH)>;
+ clocks = <&mstp4_clks R8A7792_CLK_INTC_SYS>;
+ clock-names = "clk";
+ power-domains = <&sysc R8A7792_PD_ALWAYS_ON>;
};
irqc: interrupt-controller@e61c0000 {
@@ -895,10 +898,12 @@
compatible = "renesas,r8a7792-mstp-clocks",
"renesas,cpg-mstp-clocks";
reg = <0 0xe6150140 0 4>, <0 0xe615004c 0 4>;
- clocks = <&cp_clk>;
+ clocks = <&cp_clk>, <&zs_clk>;
#clock-cells = <1>;
- clock-indices = <R8A7792_CLK_IRQC>;
- clock-output-names = "irqc";
+ clock-indices = <
+ R8A7792_CLK_IRQC R8A7792_CLK_INTC_SYS
+ >;
+ clock-output-names = "irqc", "intc-sys";
};
mstp7_clks: mstp7_clks@e615014c {
compatible = "renesas,r8a7792-mstp-clocks",
diff --git a/include/dt-bindings/clock/r8a7792-clock.h b/include/dt-bindings/clock/r8a7792-clock.h
index 9a8b392ceb000fc3..94dd16a1e6e6963d 100644
--- a/include/dt-bindings/clock/r8a7792-clock.h
+++ b/include/dt-bindings/clock/r8a7792-clock.h
@@ -45,6 +45,7 @@
/* MSTP4 */
#define R8A7792_CLK_IRQC 7
+#define R8A7792_CLK_INTC_SYS 8
/* MSTP5 */
#define R8A7792_CLK_AUDIO_DMAC0 2
--
2.7.4
