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pinctrl: qcom: pinctrl-sm8550-lpass-lpi: add SM8550 LPASS
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Add druver for pin controller in Low Power Audio SubSystem (LPASS).  The
driver is similar to SM8450 LPASS pin controller, with differences in
few pin groups (qua_mi2s -> i2s0).

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230203174645.597053-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Krzysztof Kozlowski authored and Linus Walleij committed Feb 6, 2023
1 parent 268e97c commit 5a6ca1f
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11 changes: 11 additions & 0 deletions drivers/pinctrl/qcom/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -486,6 +486,17 @@ config PINCTRL_SM8550
Qualcomm Technologies Inc TLMM block found on the Qualcomm
Technologies Inc SM8550 platform.

config PINCTRL_SM8550_LPASS_LPI
tristate "Qualcomm Technologies Inc SM8550 LPASS LPI pin controller driver"
depends on GPIOLIB
depends on ARM64 || COMPILE_TEST
depends on PINCTRL_LPASS_LPI
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm Technologies Inc LPASS (Low Power Audio SubSystem) LPI
(Low Power Island) found on the Qualcomm Technologies Inc SM8550
platform.

config PINCTRL_LPASS_LPI
tristate "Qualcomm Technologies Inc LPASS LPI pin controller driver"
select PINMUX
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1 change: 1 addition & 0 deletions drivers/pinctrl/qcom/Makefile
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Expand Up @@ -50,5 +50,6 @@ obj-$(CONFIG_PINCTRL_SM8350) += pinctrl-sm8350.o
obj-$(CONFIG_PINCTRL_SM8450) += pinctrl-sm8450.o
obj-$(CONFIG_PINCTRL_SM8450_LPASS_LPI) += pinctrl-sm8450-lpass-lpi.o
obj-$(CONFIG_PINCTRL_SM8550) += pinctrl-sm8550.o
obj-$(CONFIG_PINCTRL_SM8550_LPASS_LPI) += pinctrl-sm8550-lpass-lpi.o
obj-$(CONFIG_PINCTRL_SC8280XP_LPASS_LPI) += pinctrl-sc8280xp-lpass-lpi.o
obj-$(CONFIG_PINCTRL_LPASS_LPI) += pinctrl-lpass-lpi.o
240 changes: 240 additions & 0 deletions drivers/pinctrl/qcom/pinctrl-sm8550-lpass-lpi.c
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@@ -0,0 +1,240 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2022-2023 Linaro Ltd.
*/

#include <linux/gpio/driver.h>
#include <linux/module.h>
#include <linux/platform_device.h>

#include "pinctrl-lpass-lpi.h"

enum lpass_lpi_functions {
LPI_MUX_dmic1_clk,
LPI_MUX_dmic1_data,
LPI_MUX_dmic2_clk,
LPI_MUX_dmic2_data,
LPI_MUX_dmic3_clk,
LPI_MUX_dmic3_data,
LPI_MUX_dmic4_clk,
LPI_MUX_dmic4_data,
LPI_MUX_i2s0_clk,
LPI_MUX_i2s0_data,
LPI_MUX_i2s0_ws,
LPI_MUX_i2s1_clk,
LPI_MUX_i2s1_data,
LPI_MUX_i2s1_ws,
LPI_MUX_i2s2_clk,
LPI_MUX_i2s2_data,
LPI_MUX_i2s2_ws,
LPI_MUX_i2s3_clk,
LPI_MUX_i2s3_data,
LPI_MUX_i2s3_ws,
LPI_MUX_i2s4_clk,
LPI_MUX_i2s4_data,
LPI_MUX_i2s4_ws,
LPI_MUX_slimbus_clk,
LPI_MUX_slimbus_data,
LPI_MUX_swr_rx_clk,
LPI_MUX_swr_rx_data,
LPI_MUX_swr_tx_clk,
LPI_MUX_swr_tx_data,
LPI_MUX_wsa_swr_clk,
LPI_MUX_wsa_swr_data,
LPI_MUX_wsa2_swr_clk,
LPI_MUX_wsa2_swr_data,
LPI_MUX_ext_mclk1_a,
LPI_MUX_ext_mclk1_b,
LPI_MUX_ext_mclk1_c,
LPI_MUX_ext_mclk1_d,
LPI_MUX_ext_mclk1_e,
LPI_MUX_gpio,
LPI_MUX__,
};

static int gpio0_pins[] = { 0 };
static int gpio1_pins[] = { 1 };
static int gpio2_pins[] = { 2 };
static int gpio3_pins[] = { 3 };
static int gpio4_pins[] = { 4 };
static int gpio5_pins[] = { 5 };
static int gpio6_pins[] = { 6 };
static int gpio7_pins[] = { 7 };
static int gpio8_pins[] = { 8 };
static int gpio9_pins[] = { 9 };
static int gpio10_pins[] = { 10 };
static int gpio11_pins[] = { 11 };
static int gpio12_pins[] = { 12 };
static int gpio13_pins[] = { 13 };
static int gpio14_pins[] = { 14 };
static int gpio15_pins[] = { 15 };
static int gpio16_pins[] = { 16 };
static int gpio17_pins[] = { 17 };
static int gpio18_pins[] = { 18 };
static int gpio19_pins[] = { 19 };
static int gpio20_pins[] = { 20 };
static int gpio21_pins[] = { 21 };
static int gpio22_pins[] = { 22 };

static const struct pinctrl_pin_desc sm8550_lpi_pins[] = {
PINCTRL_PIN(0, "gpio0"),
PINCTRL_PIN(1, "gpio1"),
PINCTRL_PIN(2, "gpio2"),
PINCTRL_PIN(3, "gpio3"),
PINCTRL_PIN(4, "gpio4"),
PINCTRL_PIN(5, "gpio5"),
PINCTRL_PIN(6, "gpio6"),
PINCTRL_PIN(7, "gpio7"),
PINCTRL_PIN(8, "gpio8"),
PINCTRL_PIN(9, "gpio9"),
PINCTRL_PIN(10, "gpio10"),
PINCTRL_PIN(11, "gpio11"),
PINCTRL_PIN(12, "gpio12"),
PINCTRL_PIN(13, "gpio13"),
PINCTRL_PIN(14, "gpio14"),
PINCTRL_PIN(15, "gpio15"),
PINCTRL_PIN(16, "gpio16"),
PINCTRL_PIN(17, "gpio17"),
PINCTRL_PIN(18, "gpio18"),
PINCTRL_PIN(19, "gpio19"),
PINCTRL_PIN(20, "gpio20"),
PINCTRL_PIN(21, "gpio21"),
PINCTRL_PIN(22, "gpio22"),
};

static const char * const dmic1_clk_groups[] = { "gpio6" };
static const char * const dmic1_data_groups[] = { "gpio7" };
static const char * const dmic2_clk_groups[] = { "gpio8" };
static const char * const dmic2_data_groups[] = { "gpio9" };
static const char * const dmic3_clk_groups[] = { "gpio12" };
static const char * const dmic3_data_groups[] = { "gpio13" };
static const char * const dmic4_clk_groups[] = { "gpio17" };
static const char * const dmic4_data_groups[] = { "gpio18" };
static const char * const i2s0_clk_groups[] = { "gpio0" };
static const char * const i2s0_ws_groups[] = { "gpio1" };
static const char * const i2s0_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" };
static const char * const i2s1_clk_groups[] = { "gpio6" };
static const char * const i2s1_ws_groups[] = { "gpio7" };
static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };
static const char * const i2s2_clk_groups[] = { "gpio10" };
static const char * const i2s2_ws_groups[] = { "gpio11" };
static const char * const i2s2_data_groups[] = { "gpio15", "gpio16" };
static const char * const i2s3_clk_groups[] = { "gpio12" };
static const char * const i2s3_ws_groups[] = { "gpio13" };
static const char * const i2s3_data_groups[] = { "gpio17", "gpio18" };
static const char * const i2s4_clk_groups[] = { "gpio19"};
static const char * const i2s4_ws_groups[] = { "gpio20"};
static const char * const i2s4_data_groups[] = { "gpio21", "gpio22"};
static const char * const slimbus_clk_groups[] = { "gpio19"};
static const char * const slimbus_data_groups[] = { "gpio20"};
static const char * const swr_tx_clk_groups[] = { "gpio0" };
static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio14" };
static const char * const swr_rx_clk_groups[] = { "gpio3" };
static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5", "gpio15" };
static const char * const wsa_swr_clk_groups[] = { "gpio10" };
static const char * const wsa_swr_data_groups[] = { "gpio11" };
static const char * const wsa2_swr_clk_groups[] = { "gpio15" };
static const char * const wsa2_swr_data_groups[] = { "gpio16" };
static const char * const ext_mclk1_c_groups[] = { "gpio5" };
static const char * const ext_mclk1_b_groups[] = { "gpio9" };
static const char * const ext_mclk1_a_groups[] = { "gpio13" };
static const char * const ext_mclk1_d_groups[] = { "gpio14" };
static const char * const ext_mclk1_e_groups[] = { "gpio22" };

static const struct lpi_pingroup sm8550_groups[] = {
LPI_PINGROUP(0, 0, swr_tx_clk, i2s0_clk, _, _),
LPI_PINGROUP(1, 2, swr_tx_data, i2s0_ws, _, _),
LPI_PINGROUP(2, 4, swr_tx_data, i2s0_data, _, _),
LPI_PINGROUP(3, 8, swr_rx_clk, i2s0_data, _, _),
LPI_PINGROUP(4, 10, swr_rx_data, i2s0_data, _, _),
LPI_PINGROUP(5, 12, swr_rx_data, ext_mclk1_c, i2s0_data, _),
LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _),
LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _),
LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _),
LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, ext_mclk1_b, _),
LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _),
LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _),
LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s3_clk, _, _),
LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s3_ws, ext_mclk1_a, _),
LPI_PINGROUP(14, 6, swr_tx_data, ext_mclk1_d, _, _),
LPI_PINGROUP(15, 20, i2s2_data, wsa2_swr_clk, _, _),
LPI_PINGROUP(16, 22, i2s2_data, wsa2_swr_data, _, _),
LPI_PINGROUP(17, LPI_NO_SLEW, dmic4_clk, i2s3_data, _, _),
LPI_PINGROUP(18, LPI_NO_SLEW, dmic4_data, i2s3_data, _, _),
LPI_PINGROUP(19, LPI_NO_SLEW, i2s4_clk, slimbus_clk, _, _),
LPI_PINGROUP(20, LPI_NO_SLEW, i2s4_ws, slimbus_data, _, _),
LPI_PINGROUP(21, LPI_NO_SLEW, i2s4_data, _, _, _),
LPI_PINGROUP(22, LPI_NO_SLEW, i2s4_data, ext_mclk1_e, _, _),
};

static const struct lpi_function sm8550_functions[] = {
LPI_FUNCTION(dmic1_clk),
LPI_FUNCTION(dmic1_data),
LPI_FUNCTION(dmic2_clk),
LPI_FUNCTION(dmic2_data),
LPI_FUNCTION(dmic3_clk),
LPI_FUNCTION(dmic3_data),
LPI_FUNCTION(dmic4_clk),
LPI_FUNCTION(dmic4_data),
LPI_FUNCTION(i2s0_clk),
LPI_FUNCTION(i2s0_data),
LPI_FUNCTION(i2s0_ws),
LPI_FUNCTION(i2s1_clk),
LPI_FUNCTION(i2s1_data),
LPI_FUNCTION(i2s1_ws),
LPI_FUNCTION(i2s2_clk),
LPI_FUNCTION(i2s2_data),
LPI_FUNCTION(i2s2_ws),
LPI_FUNCTION(i2s3_clk),
LPI_FUNCTION(i2s3_data),
LPI_FUNCTION(i2s3_ws),
LPI_FUNCTION(i2s4_clk),
LPI_FUNCTION(i2s4_data),
LPI_FUNCTION(i2s4_ws),
LPI_FUNCTION(slimbus_clk),
LPI_FUNCTION(slimbus_data),
LPI_FUNCTION(swr_rx_clk),
LPI_FUNCTION(swr_rx_data),
LPI_FUNCTION(swr_tx_clk),
LPI_FUNCTION(swr_tx_data),
LPI_FUNCTION(wsa_swr_clk),
LPI_FUNCTION(wsa_swr_data),
LPI_FUNCTION(wsa2_swr_clk),
LPI_FUNCTION(wsa2_swr_data),
LPI_FUNCTION(ext_mclk1_a),
LPI_FUNCTION(ext_mclk1_b),
LPI_FUNCTION(ext_mclk1_c),
LPI_FUNCTION(ext_mclk1_d),
LPI_FUNCTION(ext_mclk1_e),
};

static const struct lpi_pinctrl_variant_data sm8550_lpi_data = {
.pins = sm8550_lpi_pins,
.npins = ARRAY_SIZE(sm8550_lpi_pins),
.groups = sm8550_groups,
.ngroups = ARRAY_SIZE(sm8550_groups),
.functions = sm8550_functions,
.nfunctions = ARRAY_SIZE(sm8550_functions),
};

static const struct of_device_id lpi_pinctrl_of_match[] = {
{
.compatible = "qcom,sm8550-lpass-lpi-pinctrl",
.data = &sm8550_lpi_data,
},
{ }
};
MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);

static struct platform_driver lpi_pinctrl_driver = {
.driver = {
.name = "qcom-sm8550-lpass-lpi-pinctrl",
.of_match_table = lpi_pinctrl_of_match,
},
.probe = lpi_pinctrl_probe,
.remove = lpi_pinctrl_remove,
};

module_platform_driver(lpi_pinctrl_driver);
MODULE_DESCRIPTION("Qualcomm SM8550 LPI GPIO pin control driver");
MODULE_LICENSE("GPL");

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