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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/pinctrl/qcom/pinctrl-lpass-lpi.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | drivers/pinctrl/qcom/pinctrl-lpass-lpi.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h new file mode 100644 index 000000000..afbac2a6c --- /dev/null +++ b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h @@ -0,0 +1,85 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved. + * Copyright (c) 2020 Linaro Ltd. + */ +#ifndef __PINCTRL_LPASS_LPI_H__ +#define __PINCTRL_LPASS_LPI_H__ + +#include <linux/bitops.h> +#include <linux/bitfield.h> +#include "../core.h" + +#define LPI_SLEW_RATE_CTL_REG 0xa000 +#define LPI_TLMM_REG_OFFSET 0x1000 +#define LPI_SLEW_RATE_MAX 0x03 +#define LPI_SLEW_BITS_SIZE 0x02 +#define LPI_SLEW_RATE_MASK GENMASK(1, 0) +#define LPI_GPIO_CFG_REG 0x00 +#define LPI_GPIO_PULL_MASK GENMASK(1, 0) +#define LPI_GPIO_FUNCTION_MASK GENMASK(5, 2) +#define LPI_GPIO_OUT_STRENGTH_MASK GENMASK(8, 6) +#define LPI_GPIO_OE_MASK BIT(9) +#define LPI_GPIO_VALUE_REG 0x04 +#define LPI_GPIO_VALUE_IN_MASK BIT(0) +#define LPI_GPIO_VALUE_OUT_MASK BIT(1) + +#define LPI_GPIO_BIAS_DISABLE 0x0 +#define LPI_GPIO_PULL_DOWN 0x1 +#define LPI_GPIO_KEEPER 0x2 +#define LPI_GPIO_PULL_UP 0x3 +#define LPI_GPIO_DS_TO_VAL(v) (v / 2 - 1) +#define LPI_NO_SLEW -1 + +#define LPI_FUNCTION(fname) \ + [LPI_MUX_##fname] = { \ + .name = #fname, \ + .groups = fname##_groups, \ + .ngroups = ARRAY_SIZE(fname##_groups), \ + } + +#define LPI_PINGROUP(id, soff, f1, f2, f3, f4) \ + { \ + .group.name = "gpio" #id, \ + .group.pins = gpio##id##_pins, \ + .pin = id, \ + .slew_offset = soff, \ + .group.num_pins = ARRAY_SIZE(gpio##id##_pins), \ + .funcs = (int[]){ \ + LPI_MUX_gpio, \ + LPI_MUX_##f1, \ + LPI_MUX_##f2, \ + LPI_MUX_##f3, \ + LPI_MUX_##f4, \ + }, \ + .nfuncs = 5, \ + } + +struct lpi_pingroup { + struct group_desc group; + unsigned int pin; + /* Bit offset in slew register for SoundWire pins only */ + int slew_offset; + unsigned int *funcs; + unsigned int nfuncs; +}; + +struct lpi_function { + const char *name; + const char * const *groups; + unsigned int ngroups; +}; + +struct lpi_pinctrl_variant_data { + const struct pinctrl_pin_desc *pins; + int npins; + const struct lpi_pingroup *groups; + int ngroups; + const struct lpi_function *functions; + int nfunctions; +}; + +int lpi_pinctrl_probe(struct platform_device *pdev); +int lpi_pinctrl_remove(struct platform_device *pdev); + +#endif /*__PINCTRL_LPASS_LPI_H__*/ |