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/*
* Copyright (C) 2015 Linaro
* Peter Griffin <peter.griffin@linaro.org>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __ASM_ARM_ARCH_PINMUX_H
#define __ASM_ARM_ARCH_PINMUX_H
#include "periph.h"
/* iomg bit definition */
#define MUX_M0 0
#define MUX_M1 1
#define MUX_M2 2
#define MUX_M3 3
#define MUX_M4 4
#define MUX_M5 5
#define MUX_M6 6
#define MUX_M7 7
/* iocg bit definition */
#define PULL_MASK (3)
#define PULL_DIS (0)
#define PULL_UP (1 << 0)
#define PULL_DOWN (1 << 1)
/* drive strength definition */
#define DRIVE_MASK (7 << 4)
#define DRIVE1_02MA (0 << 4)
#define DRIVE1_04MA (1 << 4)
#define DRIVE1_08MA (2 << 4)
#define DRIVE1_10MA (3 << 4)
#define DRIVE2_02MA (0 << 4)
#define DRIVE2_04MA (1 << 4)
#define DRIVE2_08MA (2 << 4)
#define DRIVE2_10MA (3 << 4)
#define DRIVE3_04MA (0 << 4)
#define DRIVE3_08MA (1 << 4)
#define DRIVE3_12MA (2 << 4)
#define DRIVE3_16MA (3 << 4)
#define DRIVE3_20MA (4 << 4)
#define DRIVE3_24MA (5 << 4)
#define DRIVE3_32MA (6 << 4)
#define DRIVE3_40MA (7 << 4)
#define DRIVE4_02MA (0 << 4)
#define DRIVE4_04MA (2 << 4)
#define DRIVE4_08MA (4 << 4)
#define DRIVE4_10MA (6 << 4)
#define HI6220_PINMUX0_BASE 0xf7010000
#define HI6220_PINMUX1_BASE 0xf7010800
#ifndef __ASSEMBLY__
/* maybe more registers, but highest used is 123 */
#define REG_NUM 123
struct hi6220_pinmux0_regs {
uint32_t iomg[REG_NUM];
};
struct hi6220_pinmux1_regs {
uint32_t iocfg[REG_NUM];
};
#endif
/**
* Configures the pinmux for a particular peripheral.
*
* This function will configure the peripheral pinmux along with
* pull-up/down and drive strength.
*
* @param peripheral peripheral to be configured
* @return 0 if ok, -1 on error (e.g. unsupported peripheral)
*/
int hi6220_pinmux_config(int peripheral);
#endif
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