[PATCH 2/3] pinctrl: qcom: add driver for SM8150 SoC
Caleb Connolly
caleb.connolly at linaro.org
Tue Sep 10 14:05:25 CEST 2024
Hi Julius,
Thanks for the patch!
On 09/09/2024 17:53, Julius Lehmann wrote:
> Add pinctrl and GPIO driver for SM8150. Driver code is based on the
> similar U-Boot drivers. All constants are taken from the corresponding
> Linux driver. This drivers differs from the similar U-Boot drivers,
> because SM8150 SoC have different function IDs for the same functions
> on different pins.
>
> Co-authored-by: Volodymyr Babchuk <volodymyr_babchuk at epam.com>
> Signed-off-by: Julius Lehmann <lehmanju at devpi.de>
> ---
>
> drivers/pinctrl/qcom/Kconfig | 8 ++
> drivers/pinctrl/qcom/Makefile | 1 +
> drivers/pinctrl/qcom/pinctrl-sm8150.c | 119 ++++++++++++++++++++++++++
> 3 files changed, 128 insertions(+)
> create mode 100644 drivers/pinctrl/qcom/pinctrl-sm8150.c
>
> diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig
> index b326fa8514..501939f783 100644
> --- a/drivers/pinctrl/qcom/Kconfig
> +++ b/drivers/pinctrl/qcom/Kconfig
> @@ -74,6 +74,14 @@ config PINCTRL_QCOM_SM8650
> select PINCTRL_QCOM
> help
> Say Y here to enable support for pinctrl on the Snapdragon SM8650 SoC,
> + as well as the associated GPIO driver.
> +
> +config PINCTRL_QCOM_SM8150
> + bool "Qualcomm SM8150 GCC"
> + select PINCTRL_QCOM
> + help
> + Say Y here to enable support for pinctrl on the Snapdragon SM8150 SoC,
> + as well as the associated GPIO driver.
>
> endmenu
>
> diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile
> index 4f1d96787b..cc3660a576 100644
> --- a/drivers/pinctrl/qcom/Makefile
> +++ b/drivers/pinctrl/qcom/Makefile
> @@ -13,3 +13,4 @@ obj-$(CONFIG_PINCTRL_QCOM_SM6115) += pinctrl-sm6115.o
> obj-$(CONFIG_PINCTRL_QCOM_SM8250) += pinctrl-sm8250.o
> obj-$(CONFIG_PINCTRL_QCOM_SM8550) += pinctrl-sm8550.o
> obj-$(CONFIG_PINCTRL_QCOM_SM8650) += pinctrl-sm8650.o
> +obj-$(CONFIG_PINCTRL_QCOM_SM8150) += pinctrl-sm8150.o
> diff --git a/drivers/pinctrl/qcom/pinctrl-sm8150.c b/drivers/pinctrl/qcom/pinctrl-sm8150.c
> new file mode 100644
> index 0000000000..c3af3448f6
> --- /dev/null
> +++ b/drivers/pinctrl/qcom/pinctrl-sm8150.c
> @@ -0,0 +1,119 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Qualcomm SM8150 pinctrl and GPIO driver
> + *
> + * Volodymyr Babchuk <volodymyr_babchuk at epam.com>
> + * Copyright (c) 2024 EPAM Systems.
> + *
> + * (C) Copyright 2024 Julius Lehmann <lehmanju at devpi.de>
> + *
> + * Based on similar U-Boot drivers. Constants were taken from the Linux driver
> + */
> +
> +#include <dm.h>
> +
> +#include "pinctrl-qcom.h"
> +
> +#define WEST 0x00100000
> +#define EAST 0x00500000
> +#define NORTH 0x00900000
> +#define SOUTH 0x00D00000
> +
> +#define MAX_PIN_NAME_LEN 32
> +static char pin_name[MAX_PIN_NAME_LEN] __section(".data");
> +
> +static const struct pinctrl_function msm_pinctrl_functions[] = { { "qup2", 1 },
> + { "gpio", 0 },
> + { "sdc4", 0 } };
> +
> +static const unsigned int sm8150_pin_offsets[] = {
> + [0] = SOUTH, [1] = SOUTH, [2] = SOUTH, [3] = SOUTH,
> + [4] = SOUTH, [5] = SOUTH, [6] = SOUTH, [7] = SOUTH,
> + [8] = NORTH, [9] = NORTH, [10] = NORTH, [11] = NORTH,
> + [12] = NORTH, [13] = NORTH, [14] = NORTH, [15] = NORTH,
> + [16] = NORTH, [17] = NORTH, [18] = NORTH, [19] = NORTH,
> + [20] = NORTH, [21] = EAST, [22] = EAST, [23] = EAST,
> + [24] = EAST, [25] = EAST, [26] = EAST, [27] = EAST,
> + [28] = EAST, [29] = EAST, [30] = EAST, [31] = NORTH,
> + [32] = NORTH, [33] = NORTH, [34] = NORTH, [35] = NORTH,
> + [36] = NORTH, [37] = NORTH, [38] = SOUTH, [39] = NORTH,
> + [40] = NORTH, [41] = NORTH, [42] = NORTH, [43] = EAST,
> + [44] = EAST, [45] = EAST, [46] = EAST, [47] = EAST,
> + [48] = EAST, [49] = EAST, [50] = EAST, [51] = SOUTH,
> + [52] = SOUTH, [53] = SOUTH, [54] = SOUTH, [55] = SOUTH,
> + [56] = SOUTH, [57] = SOUTH, [58] = SOUTH, [59] = SOUTH,
> + [60] = SOUTH, [61] = SOUTH, [62] = SOUTH, [63] = SOUTH,
> + [64] = SOUTH, [65] = SOUTH, [66] = SOUTH, [67] = SOUTH,
> + [68] = SOUTH, [69] = SOUTH, [70] = SOUTH, [71] = SOUTH,
> + [72] = SOUTH, [73] = SOUTH, [74] = SOUTH, [75] = SOUTH,
> + [76] = SOUTH, [77] = SOUTH, [78] = SOUTH, [79] = SOUTH,
> + [80] = SOUTH, [81] = SOUTH, [82] = SOUTH, [83] = NORTH,
> + [84] = NORTH, [85] = NORTH, [86] = NORTH, [87] = EAST,
> + [88] = NORTH, [89] = NORTH, [90] = NORTH, [91] = NORTH,
> + [92] = NORTH, [93] = NORTH, [94] = NORTH, [95] = NORTH,
> + [96] = NORTH, [97] = NORTH, [98] = SOUTH, [99] = SOUTH,
> + [100] = SOUTH, [101] = SOUTH, [102] = NORTH, [103] = NORTH,
> + [104] = NORTH, [105] = WEST, [106] = WEST, [107] = WEST,
> + [108] = WEST, [109] = WEST, [110] = WEST, [111] = WEST,
> + [112] = WEST, [113] = WEST, [114] = SOUTH, [115] = SOUTH,
> + [116] = SOUTH, [117] = SOUTH, [118] = SOUTH, [119] = SOUTH,
> + [120] = SOUTH, [121] = SOUTH, [122] = SOUTH, [123] = SOUTH,
> + [124] = SOUTH, [125] = WEST, [126] = SOUTH, [127] = SOUTH,
> + [128] = SOUTH, [129] = SOUTH, [130] = SOUTH, [131] = SOUTH,
> + [132] = SOUTH, [133] = SOUTH, [134] = SOUTH, [135] = SOUTH,
> + [136] = SOUTH, [137] = SOUTH, [138] = SOUTH, [139] = SOUTH,
> + [140] = SOUTH, [141] = SOUTH, [142] = SOUTH, [143] = SOUTH,
> + [144] = SOUTH, [145] = SOUTH, [146] = SOUTH, [147] = SOUTH,
> + [148] = SOUTH, [149] = SOUTH, [150] = SOUTH, [151] = SOUTH,
> + [152] = SOUTH, [153] = SOUTH, [154] = SOUTH, [155] = WEST,
> + [156] = WEST, [157] = WEST, [158] = WEST, [159] = WEST,
> + [160] = WEST, [161] = WEST, [162] = WEST, [163] = WEST,
> + [164] = WEST, [165] = WEST, [166] = WEST, [167] = WEST,
> + [168] = WEST, [169] = NORTH, [170] = NORTH, [171] = NORTH,
> + [172] = NORTH, [173] = NORTH, [174] = NORTH,
> + // special pins
> + [175] = 0, [176] = 0, [177] = 0, [178] = 0,
We have better support for special pins now, you can remove these 0
entries and set .special_pins_start = 175 in pin_data below.
Kind regards,
> +};
> +
> +static const char *sm8150_get_function_name(struct udevice *dev,
> + unsigned int selector)
> +{
> + return msm_pinctrl_functions[selector].name;
> +}
> +
> +static const char *sm8150_get_pin_name(struct udevice *dev,
> + unsigned int selector)
> +{
> + snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector);
> + return pin_name;
> +}
> +
> +static unsigned int sm8150_get_function_mux(__maybe_unused unsigned int pin,
> + unsigned int selector)
> +{
> + return msm_pinctrl_functions[selector].val;
> +}
> +
> +static struct msm_pinctrl_data sm8150_data = {
> + .pin_data = {
> + .pin_offsets = sm8150_pin_offsets,
> + .pin_count = ARRAY_SIZE(sm8150_pin_offsets),
> + },
> + .functions_count = ARRAY_SIZE(msm_pinctrl_functions),
> + .get_function_name = sm8150_get_function_name,
> + .get_function_mux = sm8150_get_function_mux,
> + .get_pin_name = sm8150_get_pin_name,
> +};
> +
> +static const struct udevice_id msm_pinctrl_ids[] = {
> + { .compatible = "qcom,sm8150-pinctrl", .data = (ulong)&sm8150_data },
> + { /* Sentinel */ }
> +};
> +
> +U_BOOT_DRIVER(pinctrl_sm8150) = {
> + .name = "pinctrl_sm8150",
> + .id = UCLASS_NOP,
> + .of_match = msm_pinctrl_ids,
> + .ops = &msm_pinctrl_ops,
> + .bind = msm_pinctrl_bind,
> +};
--
// Caleb (they/them)
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