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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
861 lines
28 KiB
C
861 lines
28 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Marvell Dove pinctrl driver based on mvebu pinctrl core
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*
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* Author: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
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*/
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#include <linux/err.h>
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#include <linux/init.h>
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#include <linux/io.h>
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#include <linux/bitops.h>
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#include <linux/platform_device.h>
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#include <linux/clk.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/mfd/syscon.h>
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#include <linux/pinctrl/pinctrl.h>
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#include <linux/regmap.h>
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#include "pinctrl-mvebu.h"
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/* Internal registers can be configured at any 1 MiB aligned address */
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#define INT_REGS_MASK ~(SZ_1M - 1)
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#define MPP4_REGS_OFFS 0xd0440
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#define PMU_REGS_OFFS 0xd802c
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#define GC_REGS_OFFS 0xe802c
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/* MPP Base registers */
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#define PMU_MPP_GENERAL_CTRL 0x10
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#define AU0_AC97_SEL BIT(16)
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/* MPP Control 4 register */
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#define SPI_GPIO_SEL BIT(5)
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#define UART1_GPIO_SEL BIT(4)
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#define AU1_GPIO_SEL BIT(3)
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#define CAM_GPIO_SEL BIT(2)
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#define SD1_GPIO_SEL BIT(1)
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#define SD0_GPIO_SEL BIT(0)
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/* PMU Signal Select registers */
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#define PMU_SIGNAL_SELECT_0 0x00
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#define PMU_SIGNAL_SELECT_1 0x04
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/* Global Config regmap registers */
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#define GLOBAL_CONFIG_1 0x00
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#define TWSI_ENABLE_OPTION1 BIT(7)
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#define GLOBAL_CONFIG_2 0x04
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#define TWSI_ENABLE_OPTION2 BIT(20)
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#define TWSI_ENABLE_OPTION3 BIT(21)
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#define TWSI_OPTION3_GPIO BIT(22)
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#define SSP_CTRL_STATUS_1 0x08
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#define SSP_ON_AU1 BIT(0)
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#define MPP_GENERAL_CONFIG 0x10
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#define AU1_SPDIFO_GPIO_EN BIT(1)
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#define NAND_GPIO_EN BIT(0)
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#define CONFIG_PMU BIT(4)
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static void __iomem *mpp4_base;
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static void __iomem *pmu_base;
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static struct regmap *gconfmap;
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static int dove_pmu_mpp_ctrl_get(struct mvebu_mpp_ctrl_data *data,
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unsigned pid, unsigned long *config)
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{
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unsigned off = (pid / MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS;
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unsigned shift = (pid % MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS;
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unsigned long pmu = readl(data->base + PMU_MPP_GENERAL_CTRL);
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unsigned long func;
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if ((pmu & BIT(pid)) == 0)
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return mvebu_mmio_mpp_ctrl_get(data, pid, config);
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func = readl(pmu_base + PMU_SIGNAL_SELECT_0 + off);
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*config = (func >> shift) & MVEBU_MPP_MASK;
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*config |= CONFIG_PMU;
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return 0;
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}
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static int dove_pmu_mpp_ctrl_set(struct mvebu_mpp_ctrl_data *data,
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unsigned pid, unsigned long config)
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{
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unsigned off = (pid / MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS;
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unsigned shift = (pid % MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS;
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unsigned long pmu = readl(data->base + PMU_MPP_GENERAL_CTRL);
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unsigned long func;
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if ((config & CONFIG_PMU) == 0) {
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writel(pmu & ~BIT(pid), data->base + PMU_MPP_GENERAL_CTRL);
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return mvebu_mmio_mpp_ctrl_set(data, pid, config);
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}
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writel(pmu | BIT(pid), data->base + PMU_MPP_GENERAL_CTRL);
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func = readl(pmu_base + PMU_SIGNAL_SELECT_0 + off);
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func &= ~(MVEBU_MPP_MASK << shift);
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func |= (config & MVEBU_MPP_MASK) << shift;
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writel(func, pmu_base + PMU_SIGNAL_SELECT_0 + off);
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return 0;
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}
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static int dove_mpp4_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid,
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unsigned long *config)
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{
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unsigned long mpp4 = readl(mpp4_base);
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unsigned long mask;
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switch (pid) {
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case 24: /* mpp_camera */
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mask = CAM_GPIO_SEL;
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break;
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case 40: /* mpp_sdio0 */
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mask = SD0_GPIO_SEL;
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break;
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case 46: /* mpp_sdio1 */
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mask = SD1_GPIO_SEL;
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break;
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case 58: /* mpp_spi0 */
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mask = SPI_GPIO_SEL;
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break;
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case 62: /* mpp_uart1 */
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mask = UART1_GPIO_SEL;
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break;
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default:
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return -EINVAL;
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}
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*config = ((mpp4 & mask) != 0);
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return 0;
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}
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static int dove_mpp4_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid,
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unsigned long config)
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{
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unsigned long mpp4 = readl(mpp4_base);
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unsigned long mask;
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switch (pid) {
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case 24: /* mpp_camera */
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mask = CAM_GPIO_SEL;
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break;
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case 40: /* mpp_sdio0 */
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mask = SD0_GPIO_SEL;
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break;
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case 46: /* mpp_sdio1 */
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mask = SD1_GPIO_SEL;
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break;
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case 58: /* mpp_spi0 */
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mask = SPI_GPIO_SEL;
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break;
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case 62: /* mpp_uart1 */
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mask = UART1_GPIO_SEL;
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break;
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default:
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return -EINVAL;
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}
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mpp4 &= ~mask;
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if (config)
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mpp4 |= mask;
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writel(mpp4, mpp4_base);
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return 0;
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}
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static int dove_nand_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid,
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unsigned long *config)
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{
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unsigned int gmpp;
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regmap_read(gconfmap, MPP_GENERAL_CONFIG, &gmpp);
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*config = ((gmpp & NAND_GPIO_EN) != 0);
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return 0;
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}
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static int dove_nand_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid,
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unsigned long config)
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{
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regmap_update_bits(gconfmap, MPP_GENERAL_CONFIG,
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NAND_GPIO_EN,
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(config) ? NAND_GPIO_EN : 0);
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return 0;
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}
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static int dove_audio0_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid,
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unsigned long *config)
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{
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unsigned long pmu = readl(data->base + PMU_MPP_GENERAL_CTRL);
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*config = ((pmu & AU0_AC97_SEL) != 0);
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return 0;
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}
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static int dove_audio0_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid,
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unsigned long config)
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{
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unsigned long pmu = readl(data->base + PMU_MPP_GENERAL_CTRL);
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pmu &= ~AU0_AC97_SEL;
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if (config)
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pmu |= AU0_AC97_SEL;
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writel(pmu, data->base + PMU_MPP_GENERAL_CTRL);
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return 0;
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}
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static int dove_audio1_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid,
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unsigned long *config)
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{
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unsigned int mpp4 = readl(mpp4_base);
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unsigned int sspc1;
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unsigned int gmpp;
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unsigned int gcfg2;
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regmap_read(gconfmap, SSP_CTRL_STATUS_1, &sspc1);
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regmap_read(gconfmap, MPP_GENERAL_CONFIG, &gmpp);
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regmap_read(gconfmap, GLOBAL_CONFIG_2, &gcfg2);
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*config = 0;
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if (mpp4 & AU1_GPIO_SEL)
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*config |= BIT(3);
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if (sspc1 & SSP_ON_AU1)
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*config |= BIT(2);
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if (gmpp & AU1_SPDIFO_GPIO_EN)
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*config |= BIT(1);
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if (gcfg2 & TWSI_OPTION3_GPIO)
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*config |= BIT(0);
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/* SSP/TWSI only if I2S1 not set*/
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if ((*config & BIT(3)) == 0)
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*config &= ~(BIT(2) | BIT(0));
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/* TWSI only if SPDIFO not set*/
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if ((*config & BIT(1)) == 0)
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*config &= ~BIT(0);
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return 0;
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}
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static int dove_audio1_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid,
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unsigned long config)
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{
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unsigned int mpp4 = readl(mpp4_base);
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mpp4 &= ~AU1_GPIO_SEL;
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if (config & BIT(3))
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mpp4 |= AU1_GPIO_SEL;
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writel(mpp4, mpp4_base);
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regmap_update_bits(gconfmap, SSP_CTRL_STATUS_1,
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SSP_ON_AU1,
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(config & BIT(2)) ? SSP_ON_AU1 : 0);
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regmap_update_bits(gconfmap, MPP_GENERAL_CONFIG,
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AU1_SPDIFO_GPIO_EN,
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(config & BIT(1)) ? AU1_SPDIFO_GPIO_EN : 0);
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regmap_update_bits(gconfmap, GLOBAL_CONFIG_2,
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TWSI_OPTION3_GPIO,
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(config & BIT(0)) ? TWSI_OPTION3_GPIO : 0);
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return 0;
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}
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/* mpp[52:57] gpio pins depend heavily on current config;
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* gpio_req does not try to mux in gpio capabilities to not
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* break other functions. If you require all mpps as gpio
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* enforce gpio setting by pinctrl mapping.
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*/
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static int dove_audio1_ctrl_gpio_req(struct mvebu_mpp_ctrl_data *data,
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unsigned pid)
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{
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unsigned long config;
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dove_audio1_ctrl_get(data, pid, &config);
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switch (config) {
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case 0x02: /* i2s1 : gpio[56:57] */
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case 0x0e: /* ssp : gpio[56:57] */
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if (pid >= 56)
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return 0;
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return -ENOTSUPP;
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case 0x08: /* spdifo : gpio[52:55] */
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case 0x0b: /* twsi : gpio[52:55] */
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if (pid <= 55)
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return 0;
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return -ENOTSUPP;
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case 0x0a: /* all gpio */
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return 0;
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/* 0x00 : i2s1/spdifo : no gpio */
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/* 0x0c : ssp/spdifo : no gpio */
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/* 0x0f : ssp/twsi : no gpio */
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}
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return -ENOTSUPP;
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}
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/* mpp[52:57] has gpio pins capable of in and out */
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static int dove_audio1_ctrl_gpio_dir(struct mvebu_mpp_ctrl_data *data,
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unsigned pid, bool input)
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{
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if (pid < 52 || pid > 57)
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return -ENOTSUPP;
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return 0;
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}
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static int dove_twsi_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid,
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unsigned long *config)
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{
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unsigned int gcfg1;
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unsigned int gcfg2;
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regmap_read(gconfmap, GLOBAL_CONFIG_1, &gcfg1);
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regmap_read(gconfmap, GLOBAL_CONFIG_2, &gcfg2);
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*config = 0;
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if (gcfg1 & TWSI_ENABLE_OPTION1)
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*config = 1;
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else if (gcfg2 & TWSI_ENABLE_OPTION2)
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*config = 2;
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else if (gcfg2 & TWSI_ENABLE_OPTION3)
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*config = 3;
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return 0;
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}
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static int dove_twsi_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid,
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unsigned long config)
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{
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unsigned int gcfg1 = 0;
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unsigned int gcfg2 = 0;
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switch (config) {
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case 1:
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gcfg1 = TWSI_ENABLE_OPTION1;
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break;
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case 2:
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gcfg2 = TWSI_ENABLE_OPTION2;
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break;
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case 3:
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gcfg2 = TWSI_ENABLE_OPTION3;
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break;
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}
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regmap_update_bits(gconfmap, GLOBAL_CONFIG_1,
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TWSI_ENABLE_OPTION1,
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gcfg1);
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regmap_update_bits(gconfmap, GLOBAL_CONFIG_2,
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TWSI_ENABLE_OPTION2 | TWSI_ENABLE_OPTION3,
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gcfg2);
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return 0;
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}
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static const struct mvebu_mpp_ctrl dove_mpp_controls[] = {
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MPP_FUNC_CTRL(0, 15, NULL, dove_pmu_mpp_ctrl),
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MPP_FUNC_CTRL(16, 23, NULL, mvebu_mmio_mpp_ctrl),
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MPP_FUNC_CTRL(24, 39, "mpp_camera", dove_mpp4_ctrl),
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MPP_FUNC_CTRL(40, 45, "mpp_sdio0", dove_mpp4_ctrl),
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MPP_FUNC_CTRL(46, 51, "mpp_sdio1", dove_mpp4_ctrl),
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MPP_FUNC_GPIO_CTRL(52, 57, "mpp_audio1", dove_audio1_ctrl),
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MPP_FUNC_CTRL(58, 61, "mpp_spi0", dove_mpp4_ctrl),
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MPP_FUNC_CTRL(62, 63, "mpp_uart1", dove_mpp4_ctrl),
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MPP_FUNC_CTRL(64, 71, "mpp_nand", dove_nand_ctrl),
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MPP_FUNC_CTRL(72, 72, "audio0", dove_audio0_ctrl),
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MPP_FUNC_CTRL(73, 73, "twsi", dove_twsi_ctrl),
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};
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static struct mvebu_mpp_mode dove_mpp_modes[] = {
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MPP_MODE(0,
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MPP_FUNCTION(0x00, "gpio", NULL),
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MPP_FUNCTION(0x02, "uart2", "rts"),
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MPP_FUNCTION(0x03, "sdio0", "cd"),
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MPP_FUNCTION(0x0f, "lcd0", "pwm"),
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MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
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MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
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MPP_MODE(1,
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MPP_FUNCTION(0x00, "gpio", NULL),
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MPP_FUNCTION(0x02, "uart2", "cts"),
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MPP_FUNCTION(0x03, "sdio0", "wp"),
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MPP_FUNCTION(0x0f, "lcd1", "pwm"),
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MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
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MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
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MPP_MODE(2,
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MPP_FUNCTION(0x00, "gpio", NULL),
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MPP_FUNCTION(0x01, "sata", "prsnt"),
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MPP_FUNCTION(0x02, "uart2", "txd"),
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MPP_FUNCTION(0x03, "sdio0", "buspwr"),
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MPP_FUNCTION(0x04, "uart1", "rts"),
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MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
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MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
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MPP_MODE(3,
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MPP_FUNCTION(0x00, "gpio", NULL),
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MPP_FUNCTION(0x01, "sata", "act"),
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MPP_FUNCTION(0x02, "uart2", "rxd"),
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MPP_FUNCTION(0x03, "sdio0", "ledctrl"),
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MPP_FUNCTION(0x04, "uart1", "cts"),
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MPP_FUNCTION(0x0f, "lcd-spi", "cs1"),
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MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
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MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
|
|
MPP_MODE(4,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x02, "uart3", "rts"),
|
|
MPP_FUNCTION(0x03, "sdio1", "cd"),
|
|
MPP_FUNCTION(0x04, "spi1", "miso"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
|
|
MPP_MODE(5,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x02, "uart3", "cts"),
|
|
MPP_FUNCTION(0x03, "sdio1", "wp"),
|
|
MPP_FUNCTION(0x04, "spi1", "cs"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
|
|
MPP_MODE(6,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x02, "uart3", "txd"),
|
|
MPP_FUNCTION(0x03, "sdio1", "buspwr"),
|
|
MPP_FUNCTION(0x04, "spi1", "mosi"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
|
|
MPP_MODE(7,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x02, "uart3", "rxd"),
|
|
MPP_FUNCTION(0x03, "sdio1", "ledctrl"),
|
|
MPP_FUNCTION(0x04, "spi1", "sck"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
|
|
MPP_MODE(8,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x01, "watchdog", "rstout"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
|
|
MPP_MODE(9,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x05, "pex1", "clkreq"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
|
|
MPP_MODE(10,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x05, "ssp", "sclk"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
|
|
MPP_MODE(11,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x01, "sata", "prsnt"),
|
|
MPP_FUNCTION(0x02, "sata-1", "act"),
|
|
MPP_FUNCTION(0x03, "sdio0", "ledctrl"),
|
|
MPP_FUNCTION(0x04, "sdio1", "ledctrl"),
|
|
MPP_FUNCTION(0x05, "pex0", "clkreq"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
|
|
MPP_MODE(12,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x01, "sata", "act"),
|
|
MPP_FUNCTION(0x02, "uart2", "rts"),
|
|
MPP_FUNCTION(0x03, "audio0", "extclk"),
|
|
MPP_FUNCTION(0x04, "sdio1", "cd"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
|
|
MPP_MODE(13,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x02, "uart2", "cts"),
|
|
MPP_FUNCTION(0x03, "audio1", "extclk"),
|
|
MPP_FUNCTION(0x04, "sdio1", "wp"),
|
|
MPP_FUNCTION(0x05, "ssp", "extclk"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
|
|
MPP_MODE(14,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x02, "uart2", "txd"),
|
|
MPP_FUNCTION(0x04, "sdio1", "buspwr"),
|
|
MPP_FUNCTION(0x05, "ssp", "rxd"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
|
|
MPP_MODE(15,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x02, "uart2", "rxd"),
|
|
MPP_FUNCTION(0x04, "sdio1", "ledctrl"),
|
|
MPP_FUNCTION(0x05, "ssp", "sfrm"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
|
|
MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
|
|
MPP_MODE(16,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x02, "uart3", "rts"),
|
|
MPP_FUNCTION(0x03, "sdio0", "cd"),
|
|
MPP_FUNCTION(0x04, "lcd-spi", "cs1"),
|
|
MPP_FUNCTION(0x05, "ac97", "sdi1")),
|
|
MPP_MODE(17,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x01, "ac97-1", "sysclko"),
|
|
MPP_FUNCTION(0x02, "uart3", "cts"),
|
|
MPP_FUNCTION(0x03, "sdio0", "wp"),
|
|
MPP_FUNCTION(0x04, "twsi", "sda"),
|
|
MPP_FUNCTION(0x05, "ac97", "sdi2")),
|
|
MPP_MODE(18,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x02, "uart3", "txd"),
|
|
MPP_FUNCTION(0x03, "sdio0", "buspwr"),
|
|
MPP_FUNCTION(0x04, "lcd0", "pwm"),
|
|
MPP_FUNCTION(0x05, "ac97", "sdi3")),
|
|
MPP_MODE(19,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x02, "uart3", "rxd"),
|
|
MPP_FUNCTION(0x03, "sdio0", "ledctrl"),
|
|
MPP_FUNCTION(0x04, "twsi", "sck")),
|
|
MPP_MODE(20,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x01, "ac97", "sysclko"),
|
|
MPP_FUNCTION(0x02, "lcd-spi", "miso"),
|
|
MPP_FUNCTION(0x03, "sdio1", "cd"),
|
|
MPP_FUNCTION(0x05, "sdio0", "cd"),
|
|
MPP_FUNCTION(0x06, "spi1", "miso")),
|
|
MPP_MODE(21,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x01, "uart1", "rts"),
|
|
MPP_FUNCTION(0x02, "lcd-spi", "cs0"),
|
|
MPP_FUNCTION(0x03, "sdio1", "wp"),
|
|
MPP_FUNCTION(0x04, "ssp", "sfrm"),
|
|
MPP_FUNCTION(0x05, "sdio0", "wp"),
|
|
MPP_FUNCTION(0x06, "spi1", "cs")),
|
|
MPP_MODE(22,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x01, "uart1", "cts"),
|
|
MPP_FUNCTION(0x02, "lcd-spi", "mosi"),
|
|
MPP_FUNCTION(0x03, "sdio1", "buspwr"),
|
|
MPP_FUNCTION(0x04, "ssp", "txd"),
|
|
MPP_FUNCTION(0x05, "sdio0", "buspwr"),
|
|
MPP_FUNCTION(0x06, "spi1", "mosi")),
|
|
MPP_MODE(23,
|
|
MPP_FUNCTION(0x00, "gpio", NULL),
|
|
MPP_FUNCTION(0x02, "lcd-spi", "sck"),
|
|
MPP_FUNCTION(0x03, "sdio1", "ledctrl"),
|
|
MPP_FUNCTION(0x04, "ssp", "sclk"),
|
|
MPP_FUNCTION(0x05, "sdio0", "ledctrl"),
|
|
MPP_FUNCTION(0x06, "spi1", "sck")),
|
|
MPP_MODE(24,
|
|
MPP_FUNCTION(0x00, "camera", NULL),
|
|
MPP_FUNCTION(0x01, "gpio", NULL)),
|
|
MPP_MODE(40,
|
|
MPP_FUNCTION(0x00, "sdio0", NULL),
|
|
MPP_FUNCTION(0x01, "gpio", NULL)),
|
|
MPP_MODE(46,
|
|
MPP_FUNCTION(0x00, "sdio1", NULL),
|
|
MPP_FUNCTION(0x01, "gpio", NULL)),
|
|
MPP_MODE(52,
|
|
MPP_FUNCTION(0x00, "i2s1/spdifo", NULL),
|
|
MPP_FUNCTION(0x02, "i2s1", NULL),
|
|
MPP_FUNCTION(0x08, "spdifo", NULL),
|
|
MPP_FUNCTION(0x0a, "gpio", NULL),
|
|
MPP_FUNCTION(0x0b, "twsi", NULL),
|
|
MPP_FUNCTION(0x0c, "ssp/spdifo", NULL),
|
|
MPP_FUNCTION(0x0e, "ssp", NULL),
|
|
MPP_FUNCTION(0x0f, "ssp/twsi", NULL)),
|
|
MPP_MODE(58,
|
|
MPP_FUNCTION(0x00, "spi0", NULL),
|
|
MPP_FUNCTION(0x01, "gpio", NULL)),
|
|
MPP_MODE(62,
|
|
MPP_FUNCTION(0x00, "uart1", NULL),
|
|
MPP_FUNCTION(0x01, "gpio", NULL)),
|
|
MPP_MODE(64,
|
|
MPP_FUNCTION(0x00, "nand", NULL),
|
|
MPP_FUNCTION(0x01, "gpo", NULL)),
|
|
MPP_MODE(72,
|
|
MPP_FUNCTION(0x00, "i2s", NULL),
|
|
MPP_FUNCTION(0x01, "ac97", NULL)),
|
|
MPP_MODE(73,
|
|
MPP_FUNCTION(0x00, "twsi-none", NULL),
|
|
MPP_FUNCTION(0x01, "twsi-opt1", NULL),
|
|
MPP_FUNCTION(0x02, "twsi-opt2", NULL),
|
|
MPP_FUNCTION(0x03, "twsi-opt3", NULL)),
|
|
};
|
|
|
|
static struct pinctrl_gpio_range dove_mpp_gpio_ranges[] = {
|
|
MPP_GPIO_RANGE(0, 0, 0, 32),
|
|
MPP_GPIO_RANGE(1, 32, 32, 32),
|
|
MPP_GPIO_RANGE(2, 64, 64, 8),
|
|
};
|
|
|
|
static struct mvebu_pinctrl_soc_info dove_pinctrl_info = {
|
|
.controls = dove_mpp_controls,
|
|
.ncontrols = ARRAY_SIZE(dove_mpp_controls),
|
|
.modes = dove_mpp_modes,
|
|
.nmodes = ARRAY_SIZE(dove_mpp_modes),
|
|
.gpioranges = dove_mpp_gpio_ranges,
|
|
.ngpioranges = ARRAY_SIZE(dove_mpp_gpio_ranges),
|
|
.variant = 0,
|
|
};
|
|
|
|
static struct clk *clk;
|
|
|
|
static const struct of_device_id dove_pinctrl_of_match[] = {
|
|
{ .compatible = "marvell,dove-pinctrl", .data = &dove_pinctrl_info },
|
|
{ }
|
|
};
|
|
|
|
static const struct regmap_config gc_regmap_config = {
|
|
.reg_bits = 32,
|
|
.val_bits = 32,
|
|
.reg_stride = 4,
|
|
.max_register = 5,
|
|
};
|
|
|
|
static int dove_pinctrl_probe(struct platform_device *pdev)
|
|
{
|
|
struct resource *res, *mpp_res;
|
|
struct resource fb_res;
|
|
const struct of_device_id *match =
|
|
of_match_device(dove_pinctrl_of_match, &pdev->dev);
|
|
struct mvebu_mpp_ctrl_data *mpp_data;
|
|
void __iomem *base;
|
|
int i;
|
|
|
|
pdev->dev.platform_data = (void *)match->data;
|
|
|
|
/*
|
|
* General MPP Configuration Register is part of pdma registers.
|
|
* grab clk to make sure it is ticking.
|
|
*/
|
|
clk = devm_clk_get(&pdev->dev, NULL);
|
|
if (IS_ERR(clk)) {
|
|
dev_err(&pdev->dev, "Unable to get pdma clock");
|
|
return PTR_ERR(clk);
|
|
}
|
|
clk_prepare_enable(clk);
|
|
|
|
mpp_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
base = devm_ioremap_resource(&pdev->dev, mpp_res);
|
|
if (IS_ERR(base))
|
|
return PTR_ERR(base);
|
|
|
|
mpp_data = devm_kcalloc(&pdev->dev, dove_pinctrl_info.ncontrols,
|
|
sizeof(*mpp_data), GFP_KERNEL);
|
|
if (!mpp_data)
|
|
return -ENOMEM;
|
|
|
|
dove_pinctrl_info.control_data = mpp_data;
|
|
for (i = 0; i < ARRAY_SIZE(dove_mpp_controls); i++)
|
|
mpp_data[i].base = base;
|
|
|
|
/* prepare fallback resource */
|
|
memcpy(&fb_res, mpp_res, sizeof(struct resource));
|
|
fb_res.start = 0;
|
|
|
|
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
|
|
if (!res) {
|
|
dev_warn(&pdev->dev, "falling back to hardcoded MPP4 resource\n");
|
|
adjust_resource(&fb_res,
|
|
(mpp_res->start & INT_REGS_MASK) + MPP4_REGS_OFFS, 0x4);
|
|
res = &fb_res;
|
|
}
|
|
|
|
mpp4_base = devm_ioremap_resource(&pdev->dev, res);
|
|
if (IS_ERR(mpp4_base))
|
|
return PTR_ERR(mpp4_base);
|
|
|
|
res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
|
|
if (!res) {
|
|
dev_warn(&pdev->dev, "falling back to hardcoded PMU resource\n");
|
|
adjust_resource(&fb_res,
|
|
(mpp_res->start & INT_REGS_MASK) + PMU_REGS_OFFS, 0x8);
|
|
res = &fb_res;
|
|
}
|
|
|
|
pmu_base = devm_ioremap_resource(&pdev->dev, res);
|
|
if (IS_ERR(pmu_base))
|
|
return PTR_ERR(pmu_base);
|
|
|
|
gconfmap = syscon_regmap_lookup_by_compatible("marvell,dove-global-config");
|
|
if (IS_ERR(gconfmap)) {
|
|
void __iomem *gc_base;
|
|
|
|
dev_warn(&pdev->dev, "falling back to hardcoded global registers\n");
|
|
adjust_resource(&fb_res,
|
|
(mpp_res->start & INT_REGS_MASK) + GC_REGS_OFFS, 0x14);
|
|
gc_base = devm_ioremap_resource(&pdev->dev, &fb_res);
|
|
if (IS_ERR(gc_base))
|
|
return PTR_ERR(gc_base);
|
|
gconfmap = devm_regmap_init_mmio(&pdev->dev,
|
|
gc_base, &gc_regmap_config);
|
|
if (IS_ERR(gconfmap))
|
|
return PTR_ERR(gconfmap);
|
|
}
|
|
|
|
/* Warn on any missing DT resource */
|
|
if (fb_res.start)
|
|
dev_warn(&pdev->dev, FW_BUG "Missing pinctrl regs in DTB. Please update your firmware.\n");
|
|
|
|
return mvebu_pinctrl_probe(pdev);
|
|
}
|
|
|
|
static struct platform_driver dove_pinctrl_driver = {
|
|
.driver = {
|
|
.name = "dove-pinctrl",
|
|
.suppress_bind_attrs = true,
|
|
.of_match_table = dove_pinctrl_of_match,
|
|
},
|
|
.probe = dove_pinctrl_probe,
|
|
};
|
|
builtin_platform_driver(dove_pinctrl_driver);
|