diff mbox series

[14/15] ARM: dts: bcm2711: Add the BSC interrupt controller

Message ID 20201210134648.272857-15-maxime@cerno.tech (mailing list archive)
State New, archived
Headers show
Series drm/vc4: hdmi: Add CEC support for the BCM2711 | expand

Commit Message

Maxime Ripard Dec. 10, 2020, 1:46 p.m. UTC 
The BSC controllers used for the HDMI DDC have an interrupt controller
shared between both instances. Let's add it to avoid polling.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
 arch/arm/boot/dts/bcm2711.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

Comments

Florian Fainelli Dec. 10, 2020, 5:41 p.m. UTC | #1 
On 12/10/2020 5:46 AM, Maxime Ripard wrote:
> The BSC controllers used for the HDMI DDC have an interrupt controller
> shared between both instances. Let's add it to avoid polling.
> 
> Signed-off-by: Maxime Ripard <maxime@cerno.tech>

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/bcm2711.dtsi b/arch/arm/boot/dts/bcm2711.dtsi
index 4847dd305317..8bb46ae76a92 100644
--- a/arch/arm/boot/dts/bcm2711.dtsi
+++ b/arch/arm/boot/dts/bcm2711.dtsi
@@ -308,6 +308,14 @@  dvp: clock@7ef00000 {
 			#reset-cells = <1>;
 		};
 
+		bsc_intr: interrupt-controller@7ef00040 {
+			compatible = "brcm,bcm2711-l2-intc", "brcm,l2-intc";
+			reg = <0x7ef00040 0x30>;
+			interrupts = <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+		};
+
 		hdmi0: hdmi@7ef00700 {
 			compatible = "brcm,bcm2711-hdmi0";
 			reg = <0x7ef00700 0x300>,
@@ -341,6 +349,8 @@  ddc0: i2c@7ef04500 {
 			reg = <0x7ef04500 0x100>, <0x7ef00b00 0x300>;
 			reg-names = "bsc", "auto-i2c";
 			clock-frequency = <97500>;
+			interrupt-parent = <&bsc_intr>;
+			interrupts = <0>;
 			status = "disabled";
 		};
 
@@ -377,6 +387,8 @@  ddc1: i2c@7ef09500 {
 			reg = <0x7ef09500 0x100>, <0x7ef05b00 0x300>;
 			reg-names = "bsc", "auto-i2c";
 			clock-frequency = <97500>;
+			interrupt-parent = <&bsc_intr>;
+			interrupts = <1>;
 			status = "disabled";
 		};
 	};