[PATCH 2/3] mach-ipq40xx: import GPIO header from mach-snapgradon

[Robert Marko]

Pinctrl driver was refactored and moved, but the required header that
it depends on was not included.

Fixes: 24d2908e987a ("pinctrl: qcom: move ipq4019 driver from mach-ipq40xx")
Signed-off-by: Robert Marko <robert.marko at sartura.hr>
---
 arch/arm/mach-ipq40xx/include/mach/gpio.h | 37 +++++++++++++++++++----
 1 file changed, 31 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-ipq40xx/include/mach/gpio.h b/arch/arm/mach-ipq40xx/include/mach/gpio.h
index a45747c0fe..53c6ae0649 100644
--- a/arch/arm/mach-ipq40xx/include/mach/gpio.h
+++ b/arch/arm/mach-ipq40xx/include/mach/gpio.h
@@ -1,10 +1,35 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
- * Empty gpio.h
+ * Qualcomm common pin control data.
  *
- * This file must stay as arch/arm/include/asm/gpio.h requires it.
- *
- * Copyright (c) 2019 Sartura Ltd.
- *
- * Author: Robert Marko <robert.marko at sartura.hr>
+ * Copyright (C) 2023 Linaro Ltd.
  */
+#ifndef _QCOM_GPIO_H_
+#define _QCOM_GPIO_H_
+
+#include <asm/types.h>
+#include <stdbool.h>
+
+struct msm_pin_data {
+	int pin_count;
+	const unsigned int *pin_offsets;
+	/* Index of first special pin, these are ignored for now */
+	unsigned int special_pins_start;
+};
+
+static inline u32 qcom_pin_offset(const unsigned int *offs, unsigned int selector)
+{
+	u32 out = (selector * 0x1000);
+
+	if (offs)
+		return out + offs[selector];
+
+	return out;
+}
+
+static inline bool qcom_is_special_pin(const struct msm_pin_data *pindata, unsigned int pin)
+{
+	return pindata->special_pins_start && pin >= pindata->special_pins_start;
+}
+
+#endif /* _QCOM_GPIO_H_ */
-- 
2.44.0