Am 09.10.2015 um 23:27 schrieb Eric Anholt:
VC4 is the GPU (display and 3D) present on the 2835.
Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
---
v2: Sort by register address, mark HDMI as disabled by default in the
SoC file and enable it from -rpi.
v3: Add references to the pixel/HSM clocks for HDMI. Rename
compatibility strings and clean up node names.
arch/arm/boot/dts/bcm2835-rpi.dtsi | 4 ++++
arch/arm/boot/dts/bcm2835.dtsi | 42 ++++++++++++++++++++++++++++++++++++++
2 files changed, 46 insertions(+)
diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi
index 3572f03..dcaaee2 100644
--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
@@ -56,6 +56,10 @@
status = "okay";
};
+&hdmi {
+ status = "okay";
+};
+
&sdhci {
status = "okay";
bus-width = <4>;
diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi
index 1e61eb7..21e354a9 100644
--- a/arch/arm/boot/dts/bcm2835.dtsi
+++ b/arch/arm/boot/dts/bcm2835.dtsi
@@ -1,4 +1,5 @@
#include <dt-bindings/pinctrl/bcm2835.h>
+#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/clock/bcm2835.h>
#include "skeleton.dtsi"
@@ -149,6 +150,18 @@
status = "disabled";
};
+ pixelvalve@7e206000 {
+ compatible = "brcm,bcm2835-pixelvalve0";
+ reg = <0x7e206000 0x100>;
+ interrupts = <2 13>; /* pwa2 */
According to BCM2835-ARM-Peripherals this should be pwa0.
Is it just a typo?
What does pwa mean?
+ };
+
+ pixelvalve@7e207000 {
+ compatible = "brcm,bcm2835-pixelvalve1";
+ reg = <0x7e207000 0x100>;
+ interrupts = <2 14>; /* pwa1 */
+ };
+
Thanks
Stefan
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