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dfebe38e46
The identifiers are used as IRQ resource numbers, where 0 is treated specially. This fixes sun4i-gpadc-iio probe failed when request irq. The backstack: WARNING: CPU: 3 PID: 1 at drivers/base/platform.c:451 __platform_get_irq_byname+0xb8/0xc4 0 is an invalid IRQ number Modules linked in: CPU: 3 PID: 1 Comm: swapper/0 Not tainted 6.7.0-rc6 #9 Hardware name: Allwinner sun8i Family unwind_backtrace show_stack dump_stack_lvl __warn warn_slowpath_fmt __platform_get_irq_byname platform_get_irq_byname sun4i_irq_init sun4i_gpadc_probe platform_probe really_probe __driver_probe_device driver_probe_device __driver_attach bus_for_each_dev bus_add_driver driver_register do_one_initcall do_initcall_level do_initcalls kernel_init_freeable kernel_init Log reports: sun4i-gpadc-iio sun6i-a31-gpadc-iio.0: error -EINVAL: IRQ FIFO_DATA_PENDING not found sun4i-gpadc-iio: probe of sun6i-a31-gpadc-iio.0 failed with error -22 Signed-off-by: Fuyao Kashizuku <fuyao@sjterm.com> Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com> Link: https://lore.kernel.org/r/ZYuFbUUus9apiCpq@debian.cyg Signed-off-by: Lee Jones <lee@kernel.org>
98 lines
3.5 KiB
C
98 lines
3.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Header of ADC MFD core driver for sunxi platforms
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*
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* Copyright (c) 2016 Quentin Schulz <quentin.schulz@free-electrons.com>
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*/
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#ifndef __SUN4I_GPADC__H__
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#define __SUN4I_GPADC__H__
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#define SUN4I_GPADC_CTRL0 0x00
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#define SUN4I_GPADC_CTRL0_ADC_FIRST_DLY(x) ((GENMASK(7, 0) & (x)) << 24)
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#define SUN4I_GPADC_CTRL0_ADC_FIRST_DLY_MODE BIT(23)
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#define SUN4I_GPADC_CTRL0_ADC_CLK_SELECT BIT(22)
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#define SUN4I_GPADC_CTRL0_ADC_CLK_DIVIDER(x) ((GENMASK(1, 0) & (x)) << 20)
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#define SUN4I_GPADC_CTRL0_FS_DIV(x) ((GENMASK(3, 0) & (x)) << 16)
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#define SUN4I_GPADC_CTRL0_T_ACQ(x) (GENMASK(15, 0) & (x))
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#define SUN4I_GPADC_CTRL1 0x04
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#define SUN4I_GPADC_CTRL1_STYLUS_UP_DEBOUNCE(x) ((GENMASK(7, 0) & (x)) << 12)
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#define SUN4I_GPADC_CTRL1_STYLUS_UP_DEBOUNCE_EN BIT(9)
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#define SUN4I_GPADC_CTRL1_TOUCH_PAN_CALI_EN BIT(6)
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#define SUN4I_GPADC_CTRL1_TP_DUAL_EN BIT(5)
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#define SUN4I_GPADC_CTRL1_TP_MODE_EN BIT(4)
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#define SUN4I_GPADC_CTRL1_TP_ADC_SELECT BIT(3)
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#define SUN4I_GPADC_CTRL1_ADC_CHAN_SELECT(x) (GENMASK(2, 0) & (x))
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#define SUN4I_GPADC_CTRL1_ADC_CHAN_MASK GENMASK(2, 0)
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/* TP_CTRL1 bits for sun6i SOCs */
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#define SUN6I_GPADC_CTRL1_TOUCH_PAN_CALI_EN BIT(7)
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#define SUN6I_GPADC_CTRL1_TP_DUAL_EN BIT(6)
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#define SUN6I_GPADC_CTRL1_TP_MODE_EN BIT(5)
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#define SUN6I_GPADC_CTRL1_TP_ADC_SELECT BIT(4)
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#define SUN6I_GPADC_CTRL1_ADC_CHAN_SELECT(x) (GENMASK(3, 0) & BIT(x))
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#define SUN6I_GPADC_CTRL1_ADC_CHAN_MASK GENMASK(3, 0)
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/* TP_CTRL1 bits for sun8i SoCs */
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#define SUN8I_GPADC_CTRL1_CHOP_TEMP_EN BIT(8)
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#define SUN8I_GPADC_CTRL1_GPADC_CALI_EN BIT(7)
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#define SUN4I_GPADC_CTRL2 0x08
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#define SUN4I_GPADC_CTRL2_TP_SENSITIVE_ADJUST(x) ((GENMASK(3, 0) & (x)) << 28)
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#define SUN4I_GPADC_CTRL2_TP_MODE_SELECT(x) ((GENMASK(1, 0) & (x)) << 26)
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#define SUN4I_GPADC_CTRL2_PRE_MEA_EN BIT(24)
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#define SUN4I_GPADC_CTRL2_PRE_MEA_THRE_CNT(x) (GENMASK(23, 0) & (x))
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#define SUN4I_GPADC_CTRL3 0x0c
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#define SUN4I_GPADC_CTRL3_FILTER_EN BIT(2)
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#define SUN4I_GPADC_CTRL3_FILTER_TYPE(x) (GENMASK(1, 0) & (x))
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#define SUN4I_GPADC_TPR 0x18
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#define SUN4I_GPADC_TPR_TEMP_ENABLE BIT(16)
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#define SUN4I_GPADC_TPR_TEMP_PERIOD(x) (GENMASK(15, 0) & (x))
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#define SUN4I_GPADC_INT_FIFOC 0x10
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#define SUN4I_GPADC_INT_FIFOC_TEMP_IRQ_EN BIT(18)
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#define SUN4I_GPADC_INT_FIFOC_TP_OVERRUN_IRQ_EN BIT(17)
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#define SUN4I_GPADC_INT_FIFOC_TP_DATA_IRQ_EN BIT(16)
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#define SUN4I_GPADC_INT_FIFOC_TP_DATA_XY_CHANGE BIT(13)
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#define SUN4I_GPADC_INT_FIFOC_TP_FIFO_TRIG_LEVEL(x) ((GENMASK(4, 0) & (x)) << 8)
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#define SUN4I_GPADC_INT_FIFOC_TP_DATA_DRQ_EN BIT(7)
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#define SUN4I_GPADC_INT_FIFOC_TP_FIFO_FLUSH BIT(4)
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#define SUN4I_GPADC_INT_FIFOC_TP_UP_IRQ_EN BIT(1)
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#define SUN4I_GPADC_INT_FIFOC_TP_DOWN_IRQ_EN BIT(0)
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#define SUN4I_GPADC_INT_FIFOS 0x14
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#define SUN4I_GPADC_INT_FIFOS_TEMP_DATA_PENDING BIT(18)
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#define SUN4I_GPADC_INT_FIFOS_FIFO_OVERRUN_PENDING BIT(17)
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#define SUN4I_GPADC_INT_FIFOS_FIFO_DATA_PENDING BIT(16)
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#define SUN4I_GPADC_INT_FIFOS_TP_IDLE_FLG BIT(2)
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#define SUN4I_GPADC_INT_FIFOS_TP_UP_PENDING BIT(1)
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#define SUN4I_GPADC_INT_FIFOS_TP_DOWN_PENDING BIT(0)
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#define SUN4I_GPADC_CDAT 0x1c
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#define SUN4I_GPADC_TEMP_DATA 0x20
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#define SUN4I_GPADC_DATA 0x24
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#define SUN4I_GPADC_IRQ_FIFO_DATA 1
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#define SUN4I_GPADC_IRQ_TEMP_DATA 2
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/* 10s delay before suspending the IP */
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#define SUN4I_GPADC_AUTOSUSPEND_DELAY 10000
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struct sun4i_gpadc_dev {
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struct device *dev;
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struct regmap *regmap;
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struct regmap_irq_chip_data *regmap_irqc;
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void __iomem *base;
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};
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#endif
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