dt-bindings: pinctrl: mediatek: add a header for common pinconf parameters

This patch adds a pinctrl header for common pinconf parameters such as
pull-up/pull-down resistors and drive strengths.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>

diff --git a/include/dt-bindings/pinctrl/mt65xx.h b/include/dt-bindings/pinctrl/mt65xx.h
new file mode 100644 (file)
index 0000000..fbea8d3
--- /dev/null
+++ b/include/dt-bindings/pinctrl/mt65xx.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Hongzhou.Yang <hongzhou.yang@mediatek.com>
+ */
+
+#ifndef _DT_BINDINGS_PINCTRL_MT65XX_H
+#define _DT_BINDINGS_PINCTRL_MT65XX_H
+
+#define MTK_PIN_NO(x)          ((x) << 8)
+#define MTK_GET_PIN_NO(x)      ((x) >> 8)
+#define MTK_GET_PIN_FUNC(x)    ((x) & 0xf)
+
+#define MTK_PUPD_SET_R1R0_00   100
+#define MTK_PUPD_SET_R1R0_01   101
+#define MTK_PUPD_SET_R1R0_10   102
+#define MTK_PUPD_SET_R1R0_11   103
+
+#define MTK_PULL_SET_RSEL_000  200
+#define MTK_PULL_SET_RSEL_001  201
+#define MTK_PULL_SET_RSEL_010  202
+#define MTK_PULL_SET_RSEL_011  203
+#define MTK_PULL_SET_RSEL_100  204
+#define MTK_PULL_SET_RSEL_101  205
+#define MTK_PULL_SET_RSEL_110  206
+#define MTK_PULL_SET_RSEL_111  207
+
+#define MTK_DRIVE_2mA          2
+#define MTK_DRIVE_4mA          4
+#define MTK_DRIVE_6mA          6
+#define MTK_DRIVE_8mA          8
+#define MTK_DRIVE_10mA         10
+#define MTK_DRIVE_12mA         12
+#define MTK_DRIVE_14mA         14
+#define MTK_DRIVE_16mA         16
+#define MTK_DRIVE_20mA         20
+#define MTK_DRIVE_24mA         24
+#define MTK_DRIVE_28mA         28
+#define MTK_DRIVE_32mA         32
+
+#endif /* _DT_BINDINGS_PINCTRL_MT65XX_H */