[PATCH 1/2] dt-bindings: pinctrl: k3-am6: Introduce pinmux definitions

[Vignesh R <vigneshr@ti.com>]

From: Tero Kristo <t-kristo@ti.com>

The dt-bindings header for TI K3-AM6 SoCs define a set of macros for
defining pinmux configs in human readable form, instead of raw-coded
hex values.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Vignesh R <vigneshr@ti.com>
---
 MAINTAINERS                          |  1 +
 include/dt-bindings/pinctrl/k3-am6.h | 49 ++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 include/dt-bindings/pinctrl/k3-am6.h

diff --git a/MAINTAINERS b/MAINTAINERS
index fb58c64dda49..7fd59955fd21 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2204,6 +2204,7 @@ S:	Supported
 F:	Documentation/devicetree/bindings/arm/ti/k3.txt
 F:	arch/arm64/boot/dts/ti/Makefile
 F:	arch/arm64/boot/dts/ti/k3-*
+F:	include/dt-bindings/pinctrl/k3-am6.h
 
 ARM/TEXAS INSTRUMENT KEYSTONE ARCHITECTURE
 M:	Santosh Shilimkar <ssantosh@kernel.org>
diff --git a/include/dt-bindings/pinctrl/k3-am6.h b/include/dt-bindings/pinctrl/k3-am6.h
new file mode 100644
index 000000000000..42e22ee57600
--- /dev/null
+++ b/include/dt-bindings/pinctrl/k3-am6.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * This header provides constants for TI K3-AM6 pinctrl bindings.
+ *
+ * Copyright (C) 2018 Texas Instruments
+ */
+#ifndef _DT_BINDINGS_PINCTRL_TI_K3_AM6_H
+#define _DT_BINDINGS_PINCTRL_TI_K3_AM6_H
+
+/* K3 mux mode options for each pin. See TRM for options */
+#define MUX_MODE0	0
+#define MUX_MODE1	1
+#define MUX_MODE2	2
+#define MUX_MODE3	3
+#define MUX_MODE4	4
+#define MUX_MODE5	5
+#define MUX_MODE6	6
+#define MUX_MODE7	7
+#define MUX_MODE15	15
+
+#define PULL_DISABLE		(1 << 16)
+#define PULL_UP			(1 << 17)
+#define INPUT_EN		(1 << 18)
+#define SLEWCTRL_200MHZ		0
+#define SLEWCTRL_150MHZ		(1 << 19)
+#define SLEWCTRL_100MHZ		(2 << 19)
+#define SLEWCTRL_50MHZ		(3 << 19)
+#define TX_DIS			(1 << 21)
+#define ISO_OVR			(1 << 22)
+#define ISO_BYPASS		(1 << 23)
+#define DS_EN			(1 << 24)
+#define DS_INPUT		(1 << 25)
+#define DS_FORCE_OUT_HIGH	(1 << 26)
+#define DS_PULL_UP_DOWN_EN	0
+#define DS_PULL_UP_DOWN_DIS	(1 << 27)
+#define DS_PULL_UP_SEL		(1 << 28)
+#define WAKEUP_ENABLE		(1 << 29)
+
+#define PIN_OUTPUT		(PULL_DISABLE)
+#define PIN_OUTPUT_PULLUP	(PULL_UP)
+#define PIN_OUTPUT_PULLDOWN	0
+#define PIN_INPUT		(INPUT_EN | PULL_DISABLE)
+#define PIN_INPUT_PULLUP	(INPUT_EN | PULL_UP)
+#define PIN_INPUT_PULLDOWN	(INPUT_EN)
+
+#define AM65X_IOPAD(pa, val)		(((pa) & 0x1fff)) (val)
+#define AM65X_WKUP_IOPAD(pa, val)	(((pa) & 0x1fff)) (val)
+
+#endif
-- 
2.19.1