Replace custom pin configuration option 'io-standard' with generic property
'power-source' for Zynq pinctrl also add dt-binding file contains pin
configuration defines for Zynq pinctrl.
Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xxxxxxxxxx>
---
.../bindings/pinctrl/xlnx,zynq-pinctrl.yaml | 8 +++-----
include/dt-bindings/pinctrl/pinctrl-zynq.h | 17 +++++++++++++++++
2 files changed, 20 insertions(+), 5 deletions(-)
create mode 100644 include/dt-bindings/pinctrl/pinctrl-zynq.h
diff --git a/Documentation/devicetree/bindings/pinctrl/xlnx,zynq-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/xlnx,zynq-pinctrl.yaml
index 2da1969e02ec..ac97dbf6998e 100644
--- a/Documentation/devicetree/bindings/pinctrl/xlnx,zynq-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/xlnx,zynq-pinctrl.yaml
@@ -156,10 +156,7 @@ patternProperties:
slew-rate:
enum: [0, 1]
- io-standard:
- description:
- Selects the IO standard for MIO pins, this is driver specific.
- $ref: "/schemas/types.yaml#/definitions/uint32"
+ power-source:
enum: [1, 2, 3, 4]
oneOf:
@@ -179,6 +176,7 @@ additionalProperties: false
examples:
- |
+ #include <dt-bindings/pinctrl/pinctrl-zynq.h>
pinctrl0: pinctrl@700 {
compatible = "xlnx,zynq-pinctrl";
reg = <0x700 0x200>;
@@ -193,7 +191,7 @@ examples:
conf {
groups = "uart1_10_grp";
slew-rate = <0>;
- io-standard = <1>;
+ power-source = <IO_STANDARD_LVCMOS18>;
};
conf-rx {
diff --git a/include/dt-bindings/pinctrl/pinctrl-zynq.h b/include/dt-bindings/pinctrl/pinctrl-zynq.h
new file mode 100644
index 000000000000..bbfc345f017d
--- /dev/null
+++ b/include/dt-bindings/pinctrl/pinctrl-zynq.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * MIO pin configuration defines for Xilinx Zynq
+ *
+ * Copyright (C) 2021 Xilinx, Inc.
+ */
+
+#ifndef _DT_BINDINGS_PINCTRL_ZYNQ_H
+#define _DT_BINDINGS_PINCTRL_ZYNQ_H
+
+/* Configuration options for different power supplies */
+#define IO_STANDARD_LVCMOS18 1
+#define IO_STANDARD_LVCMOS25 2
+#define IO_STANDARD_LVCMOS33 3
+#define IO_STANDARD_HSTL 4
+
+#endif /* _DT_BINDINGS_PINCTRL_ZYNQ_H */
--
2.17.1
