If we're using the UI board and want vpif capture, we need to select
the video capture functionality by driving the sel_c pin low on the
tca6416 expander and sel_a & sel_b pins high. Do it statically by
hogging relevant GPIOs in the device tree.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
---
arch/arm/boot/dts/da850-evm.dts | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
index b549861..a90c764 100644
--- a/arch/arm/boot/dts/da850-evm.dts
+++ b/arch/arm/boot/dts/da850-evm.dts
@@ -9,6 +9,7 @@
*/
/dts-v1/;
#include "da850.dtsi"
+#include <dt-bindings/gpio/gpio.h>
/ {
compatible = "ti,da850-evm", "ti,da850";
@@ -78,7 +79,33 @@
DRVDD-supply = <&vbat>;
DVDD-supply = <&vbat>;
};
+ ui_expander: tca6416@20 {
+ compatible = "ti,tca6416";
+ reg = <0x20>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ sel_a {
+ gpio-hog;
+ gpios = <7 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "sel_a";
+ };
+
+ sel_b {
+ gpio-hog;
+ gpios = <6 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "sel_b";
+ };
+
+ sel_c {
+ gpio-hog;
+ gpios = <5 GPIO_ACTIVE_HIGH>;
+ output-low;
+ line-name = "sel_c";
+ };
+ };
};
wdt: wdt@21000 {
status = "okay";
--
2.9.3
--
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