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 at anholt.net>
> ---
>
> 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 at 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 at 7e207000 {
> + compatible = "brcm,bcm2835-pixelvalve1";
> + reg = <0x7e207000 0x100>;
> + interrupts = <2 14>; /* pwa1 */
> + };
> +
Thanks
Stefan
