/* * 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