Add pinctrl driver for Dragonboard820c, currently with only one mux func to initialize pins for serial console.
Signed-off-by: Ramon Fried ramon.fried@gmail.com ---
arch/arm/mach-snapdragon/Makefile | 5 +- arch/arm/mach-snapdragon/pinctrl-apq8096.c | 56 +++++++++++++++++++ arch/arm/mach-snapdragon/pinctrl-snapdragon.c | 2 +- arch/arm/mach-snapdragon/pinctrl-snapdragon.h | 1 + 4 files changed, 61 insertions(+), 3 deletions(-) create mode 100644 arch/arm/mach-snapdragon/pinctrl-apq8096.c
diff --git a/arch/arm/mach-snapdragon/Makefile b/arch/arm/mach-snapdragon/Makefile index 2d94083600..709919fce4 100644 --- a/arch/arm/mach-snapdragon/Makefile +++ b/arch/arm/mach-snapdragon/Makefile @@ -6,8 +6,9 @@ obj-$(CONFIG_TARGET_DRAGONBOARD820C) += clock-apq8096.o obj-$(CONFIG_TARGET_DRAGONBOARD820C) += sysmap-apq8096.o obj-$(CONFIG_TARGET_DRAGONBOARD410C) += clock-apq8016.o obj-$(CONFIG_TARGET_DRAGONBOARD410C) += sysmap-apq8016.o -obj-$(CONFIG_TARGET_DRAGONBOARD410C) += pinctrl-apq8016.o -obj-$(CONFIG_TARGET_DRAGONBOARD410C) += pinctrl-snapdragon.o obj-y += misc.o obj-y += clock-snapdragon.o obj-y += dram.o +obj-y += pinctrl-snapdragon.o +obj-y += pinctrl-apq8016.o +obj-y += pinctrl-apq8096.o diff --git a/arch/arm/mach-snapdragon/pinctrl-apq8096.c b/arch/arm/mach-snapdragon/pinctrl-apq8096.c new file mode 100644 index 0000000000..20a71c319b --- /dev/null +++ b/arch/arm/mach-snapdragon/pinctrl-apq8096.c @@ -0,0 +1,56 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Qualcomm APQ8096 pinctrl + * + * (C) Copyright 2019 Ramon Fried ramon.fried@gmail.com + * + */ + +#include "pinctrl-snapdragon.h" +#include <common.h> + +#define MAX_PIN_NAME_LEN 32 +static char pin_name[MAX_PIN_NAME_LEN]; +static const char * const msm_pinctrl_pins[] = { + "SDC1_CLK", + "SDC1_CMD", + "SDC1_DATA", + "SDC2_CLK", + "SDC2_CMD", + "SDC2_DATA", + "SDC1_RCLK", +}; + +static const struct pinctrl_function msm_pinctrl_functions[] = { + {"blsp_uart8", 2}, +}; + +static const char *apq8096_get_function_name(struct udevice *dev, + unsigned int selector) +{ + return msm_pinctrl_functions[selector].name; +} + +static const char *apq8096_get_pin_name(struct udevice *dev, + unsigned int selector) +{ + if (selector < 150) { + snprintf(pin_name, MAX_PIN_NAME_LEN, "GPIO_%u", selector); + return pin_name; + } else { + return msm_pinctrl_pins[selector - 150]; + } +} + +static unsigned int apq8096_get_function_mux(unsigned int selector) +{ + return msm_pinctrl_functions[selector].val; +} + +struct msm_pinctrl_data apq8096_data = { + .pin_count = 157, + .functions_count = ARRAY_SIZE(msm_pinctrl_functions), + .get_function_name = apq8096_get_function_name, + .get_function_mux = apq8096_get_function_mux, + .get_pin_name = apq8096_get_pin_name, +}; diff --git a/arch/arm/mach-snapdragon/pinctrl-snapdragon.c b/arch/arm/mach-snapdragon/pinctrl-snapdragon.c index 5365ccdb70..ac511d9ee5 100644 --- a/arch/arm/mach-snapdragon/pinctrl-snapdragon.c +++ b/arch/arm/mach-snapdragon/pinctrl-snapdragon.c @@ -113,8 +113,8 @@ static struct pinctrl_ops msm_pinctrl_ops = { };
static const struct udevice_id msm_pinctrl_ids[] = { - { .compatible = "qcom,tlmm-msm8916", .data = (ulong)&apq8016_data }, { .compatible = "qcom,tlmm-apq8016", .data = (ulong)&apq8016_data }, + { .compatible = "qcom,tlmm-apq8096", .data = (ulong)&apq8096_data }, { } };
diff --git a/arch/arm/mach-snapdragon/pinctrl-snapdragon.h b/arch/arm/mach-snapdragon/pinctrl-snapdragon.h index c47d988af4..24f8863f59 100644 --- a/arch/arm/mach-snapdragon/pinctrl-snapdragon.h +++ b/arch/arm/mach-snapdragon/pinctrl-snapdragon.h @@ -26,5 +26,6 @@ struct pinctrl_function { };
extern struct msm_pinctrl_data apq8016_data; +extern struct msm_pinctrl_data apq8096_data;
#endif