diff options
Diffstat (limited to 'drivers/pinctrl/qcom/pinctrl-lpass-lpi.c')
| -rw-r--r-- | drivers/pinctrl/qcom/pinctrl-lpass-lpi.c | 233 |
1 files changed, 5 insertions, 228 deletions
diff --git a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c index 3228c4565721..717e93754949 100644 --- a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c +++ b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c @@ -4,91 +4,15 @@ * Copyright (c) 2020 Linaro Ltd. */ -#include <linux/bitops.h> -#include <linux/bitfield.h> #include <linux/clk.h> #include <linux/gpio/driver.h> -#include <linux/io.h> #include <linux/module.h> #include <linux/of_device.h> -#include <linux/of.h> #include <linux/pinctrl/pinconf-generic.h> #include <linux/pinctrl/pinconf.h> #include <linux/pinctrl/pinmux.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/types.h> -#include "../core.h" #include "../pinctrl-utils.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; -}; +#include "pinctrl-lpass-lpi.h" #define MAX_LPI_NUM_CLKS 2 @@ -104,136 +28,6 @@ struct lpi_pinctrl { const struct lpi_pinctrl_variant_data *data; }; -/* sm8250 variant specific data */ -static const struct pinctrl_pin_desc sm8250_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"), -}; - -enum sm8250_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_i2s1_clk, - LPI_MUX_i2s1_data, - LPI_MUX_i2s1_ws, - LPI_MUX_i2s2_clk, - LPI_MUX_i2s2_data, - LPI_MUX_i2s2_ws, - LPI_MUX_qua_mi2s_data, - LPI_MUX_qua_mi2s_sclk, - LPI_MUX_qua_mi2s_ws, - 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_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 const char * const swr_tx_clk_groups[] = { "gpio0" }; -static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio5" }; -static const char * const swr_rx_clk_groups[] = { "gpio3" }; -static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" }; -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 i2s2_clk_groups[] = { "gpio10" }; -static const char * const i2s2_ws_groups[] = { "gpio11" }; -static const char * const dmic3_clk_groups[] = { "gpio12" }; -static const char * const dmic3_data_groups[] = { "gpio13" }; -static const char * const qua_mi2s_sclk_groups[] = { "gpio0" }; -static const char * const qua_mi2s_ws_groups[] = { "gpio1" }; -static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4" }; -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 wsa_swr_clk_groups[] = { "gpio10" }; -static const char * const wsa_swr_data_groups[] = { "gpio11" }; -static const char * const i2s2_data_groups[] = { "gpio12", "gpio12" }; - -static const struct lpi_pingroup sm8250_groups[] = { - LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _), - LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _), - LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _), - LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _), - LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _), - LPI_PINGROUP(5, 12, swr_tx_data, swr_rx_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, _, _), - 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, i2s2_data, _, _), - LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s2_data, _, _), -}; - -static const struct lpi_function sm8250_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(i2s1_clk), - LPI_FUNCTION(i2s1_data), - LPI_FUNCTION(i2s1_ws), - LPI_FUNCTION(i2s2_clk), - LPI_FUNCTION(i2s2_data), - LPI_FUNCTION(i2s2_ws), - LPI_FUNCTION(qua_mi2s_data), - LPI_FUNCTION(qua_mi2s_sclk), - LPI_FUNCTION(qua_mi2s_ws), - 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), -}; - -static struct lpi_pinctrl_variant_data sm8250_lpi_data = { - .pins = sm8250_lpi_pins, - .npins = ARRAY_SIZE(sm8250_lpi_pins), - .groups = sm8250_groups, - .ngroups = ARRAY_SIZE(sm8250_groups), - .functions = sm8250_functions, - .nfunctions = ARRAY_SIZE(sm8250_functions), -}; - static int lpi_gpio_read(struct lpi_pinctrl *state, unsigned int pin, unsigned int addr) { @@ -574,7 +368,7 @@ err_pinctrl: return ret; } -static int lpi_pinctrl_probe(struct platform_device *pdev) +int lpi_pinctrl_probe(struct platform_device *pdev) { const struct lpi_pinctrl_variant_data *data; struct device *dev = &pdev->dev; @@ -657,8 +451,9 @@ err_pinctrl: return ret; } +EXPORT_SYMBOL_GPL(lpi_pinctrl_probe); -static int lpi_pinctrl_remove(struct platform_device *pdev) +int lpi_pinctrl_remove(struct platform_device *pdev) { struct lpi_pinctrl *pctrl = platform_get_drvdata(pdev); int i; @@ -671,25 +466,7 @@ static int lpi_pinctrl_remove(struct platform_device *pdev) return 0; } +EXPORT_SYMBOL_GPL(lpi_pinctrl_remove); -static const struct of_device_id lpi_pinctrl_of_match[] = { - { - .compatible = "qcom,sm8250-lpass-lpi-pinctrl", - .data = &sm8250_lpi_data, - }, - { } -}; -MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match); - -static struct platform_driver lpi_pinctrl_driver = { - .driver = { - .name = "qcom-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("QTI LPI GPIO pin control driver"); MODULE_LICENSE("GPL"); |