Add rockchip,io-domains property to the Rockchip pinctrl driver. This
list of phandles points to the IO domain device(s) the pins of the
pinctrl driver are supplied from.
Also a rockchip,io-domain-boot-on property is added to pin groups
which can be used for pin groups which themselves are needed to access
the regulators an IO domain is driven from.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
.../bindings/pinctrl/rockchip,pinctrl.yaml | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.yaml
index 10c335efe619e..92075419d29cf 100644
--- a/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.yaml
@@ -62,6 +62,11 @@ properties:
Required for at least rk3188 and rk3288. On the rk3368 this should
point to the PMUGRF syscon.
+ rockchip,io-domains:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ description:
+ Phandles to io domains
+
"#address-cells":
enum: [1, 2]
@@ -137,7 +142,13 @@ additionalProperties:
- description:
The phandle of a node contains the generic pinconfig options
to use as described in pinctrl-bindings.txt.
-
+ rockchip,io-domain-boot-on:
+ type: boolean
+ description:
+ If true assume that the io domain needed for this pin group has been
+ configured correctly by the bootloader. This is needed to break cyclic
+ dependencies introduced when a io domain needs a regulator that can be
+ accessed through pins configured here.
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
--
2.39.2
