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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/pinctrl/qcom/pinctrl-lpass-lpi.h
parentInitial commit. (diff)
downloadlinux-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 'drivers/pinctrl/qcom/pinctrl-lpass-lpi.h')
-rw-r--r--drivers/pinctrl/qcom/pinctrl-lpass-lpi.h85
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__*/