241 lines
8.0 KiB
C
241 lines
8.0 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2022-2023 Linaro Ltd.
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*/
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#include <linux/gpio/driver.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include "pinctrl-lpass-lpi.h"
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enum lpass_lpi_functions {
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LPI_MUX_dmic1_clk,
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LPI_MUX_dmic1_data,
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LPI_MUX_dmic2_clk,
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LPI_MUX_dmic2_data,
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LPI_MUX_dmic3_clk,
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LPI_MUX_dmic3_data,
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LPI_MUX_dmic4_clk,
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LPI_MUX_dmic4_data,
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LPI_MUX_i2s0_clk,
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LPI_MUX_i2s0_data,
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LPI_MUX_i2s0_ws,
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LPI_MUX_i2s1_clk,
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LPI_MUX_i2s1_data,
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LPI_MUX_i2s1_ws,
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LPI_MUX_i2s2_clk,
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LPI_MUX_i2s2_data,
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LPI_MUX_i2s2_ws,
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LPI_MUX_i2s3_clk,
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LPI_MUX_i2s3_data,
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LPI_MUX_i2s3_ws,
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LPI_MUX_i2s4_clk,
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LPI_MUX_i2s4_data,
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LPI_MUX_i2s4_ws,
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LPI_MUX_slimbus_clk,
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LPI_MUX_slimbus_data,
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LPI_MUX_swr_rx_clk,
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LPI_MUX_swr_rx_data,
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LPI_MUX_swr_tx_clk,
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LPI_MUX_swr_tx_data,
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LPI_MUX_wsa_swr_clk,
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LPI_MUX_wsa_swr_data,
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LPI_MUX_wsa2_swr_clk,
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LPI_MUX_wsa2_swr_data,
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LPI_MUX_ext_mclk1_a,
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LPI_MUX_ext_mclk1_b,
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LPI_MUX_ext_mclk1_c,
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LPI_MUX_ext_mclk1_d,
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LPI_MUX_ext_mclk1_e,
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LPI_MUX_gpio,
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LPI_MUX__,
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};
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static int gpio0_pins[] = { 0 };
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static int gpio1_pins[] = { 1 };
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static int gpio2_pins[] = { 2 };
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static int gpio3_pins[] = { 3 };
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static int gpio4_pins[] = { 4 };
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static int gpio5_pins[] = { 5 };
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static int gpio6_pins[] = { 6 };
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static int gpio7_pins[] = { 7 };
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static int gpio8_pins[] = { 8 };
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static int gpio9_pins[] = { 9 };
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static int gpio10_pins[] = { 10 };
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static int gpio11_pins[] = { 11 };
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static int gpio12_pins[] = { 12 };
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static int gpio13_pins[] = { 13 };
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static int gpio14_pins[] = { 14 };
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static int gpio15_pins[] = { 15 };
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static int gpio16_pins[] = { 16 };
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static int gpio17_pins[] = { 17 };
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static int gpio18_pins[] = { 18 };
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static int gpio19_pins[] = { 19 };
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static int gpio20_pins[] = { 20 };
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static int gpio21_pins[] = { 21 };
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static int gpio22_pins[] = { 22 };
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static const struct pinctrl_pin_desc sm8550_lpi_pins[] = {
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PINCTRL_PIN(0, "gpio0"),
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PINCTRL_PIN(1, "gpio1"),
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PINCTRL_PIN(2, "gpio2"),
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PINCTRL_PIN(3, "gpio3"),
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PINCTRL_PIN(4, "gpio4"),
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PINCTRL_PIN(5, "gpio5"),
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PINCTRL_PIN(6, "gpio6"),
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PINCTRL_PIN(7, "gpio7"),
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PINCTRL_PIN(8, "gpio8"),
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PINCTRL_PIN(9, "gpio9"),
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PINCTRL_PIN(10, "gpio10"),
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PINCTRL_PIN(11, "gpio11"),
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PINCTRL_PIN(12, "gpio12"),
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PINCTRL_PIN(13, "gpio13"),
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PINCTRL_PIN(14, "gpio14"),
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PINCTRL_PIN(15, "gpio15"),
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PINCTRL_PIN(16, "gpio16"),
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PINCTRL_PIN(17, "gpio17"),
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PINCTRL_PIN(18, "gpio18"),
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PINCTRL_PIN(19, "gpio19"),
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PINCTRL_PIN(20, "gpio20"),
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PINCTRL_PIN(21, "gpio21"),
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PINCTRL_PIN(22, "gpio22"),
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};
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static const char * const dmic1_clk_groups[] = { "gpio6" };
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static const char * const dmic1_data_groups[] = { "gpio7" };
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static const char * const dmic2_clk_groups[] = { "gpio8" };
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static const char * const dmic2_data_groups[] = { "gpio9" };
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static const char * const dmic3_clk_groups[] = { "gpio12" };
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static const char * const dmic3_data_groups[] = { "gpio13" };
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static const char * const dmic4_clk_groups[] = { "gpio17" };
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static const char * const dmic4_data_groups[] = { "gpio18" };
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static const char * const i2s0_clk_groups[] = { "gpio0" };
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static const char * const i2s0_ws_groups[] = { "gpio1" };
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static const char * const i2s0_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" };
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static const char * const i2s1_clk_groups[] = { "gpio6" };
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static const char * const i2s1_ws_groups[] = { "gpio7" };
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static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };
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static const char * const i2s2_clk_groups[] = { "gpio10" };
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static const char * const i2s2_ws_groups[] = { "gpio11" };
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static const char * const i2s2_data_groups[] = { "gpio15", "gpio16" };
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static const char * const i2s3_clk_groups[] = { "gpio12" };
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static const char * const i2s3_ws_groups[] = { "gpio13" };
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static const char * const i2s3_data_groups[] = { "gpio17", "gpio18" };
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static const char * const i2s4_clk_groups[] = { "gpio19"};
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static const char * const i2s4_ws_groups[] = { "gpio20"};
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static const char * const i2s4_data_groups[] = { "gpio21", "gpio22"};
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static const char * const slimbus_clk_groups[] = { "gpio19"};
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static const char * const slimbus_data_groups[] = { "gpio20"};
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static const char * const swr_tx_clk_groups[] = { "gpio0" };
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static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio14" };
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static const char * const swr_rx_clk_groups[] = { "gpio3" };
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static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5", "gpio15" };
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static const char * const wsa_swr_clk_groups[] = { "gpio10" };
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static const char * const wsa_swr_data_groups[] = { "gpio11" };
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static const char * const wsa2_swr_clk_groups[] = { "gpio15" };
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static const char * const wsa2_swr_data_groups[] = { "gpio16" };
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static const char * const ext_mclk1_c_groups[] = { "gpio5" };
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static const char * const ext_mclk1_b_groups[] = { "gpio9" };
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static const char * const ext_mclk1_a_groups[] = { "gpio13" };
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static const char * const ext_mclk1_d_groups[] = { "gpio14" };
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static const char * const ext_mclk1_e_groups[] = { "gpio22" };
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static const struct lpi_pingroup sm8550_groups[] = {
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LPI_PINGROUP(0, 0, swr_tx_clk, i2s0_clk, _, _),
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LPI_PINGROUP(1, 2, swr_tx_data, i2s0_ws, _, _),
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LPI_PINGROUP(2, 4, swr_tx_data, i2s0_data, _, _),
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LPI_PINGROUP(3, 8, swr_rx_clk, i2s0_data, _, _),
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LPI_PINGROUP(4, 10, swr_rx_data, i2s0_data, _, _),
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LPI_PINGROUP(5, 12, swr_rx_data, ext_mclk1_c, i2s0_data, _),
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LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _),
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LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _),
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LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _),
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LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, ext_mclk1_b, _),
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LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _),
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LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _),
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LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s3_clk, _, _),
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LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s3_ws, ext_mclk1_a, _),
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LPI_PINGROUP(14, 6, swr_tx_data, ext_mclk1_d, _, _),
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LPI_PINGROUP(15, 20, i2s2_data, wsa2_swr_clk, _, _),
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LPI_PINGROUP(16, 22, i2s2_data, wsa2_swr_data, _, _),
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LPI_PINGROUP(17, LPI_NO_SLEW, dmic4_clk, i2s3_data, _, _),
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LPI_PINGROUP(18, LPI_NO_SLEW, dmic4_data, i2s3_data, _, _),
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LPI_PINGROUP(19, LPI_NO_SLEW, i2s4_clk, slimbus_clk, _, _),
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LPI_PINGROUP(20, LPI_NO_SLEW, i2s4_ws, slimbus_data, _, _),
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LPI_PINGROUP(21, LPI_NO_SLEW, i2s4_data, _, _, _),
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LPI_PINGROUP(22, LPI_NO_SLEW, i2s4_data, ext_mclk1_e, _, _),
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};
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static const struct lpi_function sm8550_functions[] = {
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LPI_FUNCTION(dmic1_clk),
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LPI_FUNCTION(dmic1_data),
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LPI_FUNCTION(dmic2_clk),
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LPI_FUNCTION(dmic2_data),
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LPI_FUNCTION(dmic3_clk),
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LPI_FUNCTION(dmic3_data),
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LPI_FUNCTION(dmic4_clk),
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LPI_FUNCTION(dmic4_data),
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LPI_FUNCTION(i2s0_clk),
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LPI_FUNCTION(i2s0_data),
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LPI_FUNCTION(i2s0_ws),
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LPI_FUNCTION(i2s1_clk),
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LPI_FUNCTION(i2s1_data),
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LPI_FUNCTION(i2s1_ws),
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LPI_FUNCTION(i2s2_clk),
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LPI_FUNCTION(i2s2_data),
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LPI_FUNCTION(i2s2_ws),
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LPI_FUNCTION(i2s3_clk),
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LPI_FUNCTION(i2s3_data),
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LPI_FUNCTION(i2s3_ws),
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LPI_FUNCTION(i2s4_clk),
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LPI_FUNCTION(i2s4_data),
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LPI_FUNCTION(i2s4_ws),
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LPI_FUNCTION(slimbus_clk),
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LPI_FUNCTION(slimbus_data),
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LPI_FUNCTION(swr_rx_clk),
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LPI_FUNCTION(swr_rx_data),
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LPI_FUNCTION(swr_tx_clk),
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LPI_FUNCTION(swr_tx_data),
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LPI_FUNCTION(wsa_swr_clk),
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LPI_FUNCTION(wsa_swr_data),
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LPI_FUNCTION(wsa2_swr_clk),
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LPI_FUNCTION(wsa2_swr_data),
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LPI_FUNCTION(ext_mclk1_a),
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LPI_FUNCTION(ext_mclk1_b),
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LPI_FUNCTION(ext_mclk1_c),
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LPI_FUNCTION(ext_mclk1_d),
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LPI_FUNCTION(ext_mclk1_e),
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};
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static const struct lpi_pinctrl_variant_data sm8550_lpi_data = {
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.pins = sm8550_lpi_pins,
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.npins = ARRAY_SIZE(sm8550_lpi_pins),
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.groups = sm8550_groups,
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.ngroups = ARRAY_SIZE(sm8550_groups),
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.functions = sm8550_functions,
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.nfunctions = ARRAY_SIZE(sm8550_functions),
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};
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static const struct of_device_id lpi_pinctrl_of_match[] = {
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{
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.compatible = "qcom,sm8550-lpass-lpi-pinctrl",
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.data = &sm8550_lpi_data,
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},
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{ }
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};
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MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);
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static struct platform_driver lpi_pinctrl_driver = {
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.driver = {
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.name = "qcom-sm8550-lpass-lpi-pinctrl",
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.of_match_table = lpi_pinctrl_of_match,
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},
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.probe = lpi_pinctrl_probe,
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.remove = lpi_pinctrl_remove,
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};
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module_platform_driver(lpi_pinctrl_driver);
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MODULE_DESCRIPTION("Qualcomm SM8550 LPI GPIO pin control driver");
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MODULE_LICENSE("GPL");
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