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drivers: pinctrl: add CC13XX/CC26XX pinctrl driver

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Add pinctrl driver for CC13XX/CC26XX family of SoCs
to facilitate transition from pinmux to pinctrl.

`IOCPortConfigureSet()` from TI hal driverlib used to
implement the generic pinctrl driver.

Signed-off-by: Vaishnav Achath <vaishnav@beagleboard.org>
This commit is contained in:
Vaishnav Achath 2022-04-15 15:52:17 +05:30 • committed by Christopher Friedt
commit e2ed8cf130
7 changed files with 256 additions and 0 deletions
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1
drivers/pinctrl/CMakeLists.txt
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@ -17,3 +17,4 @@ zephyr_library_sources_ifdef(CONFIG_PINCTRL_MCHP_XEC pinctrl_mchp_xec.c)
zephyr_library_sources_ifdef(CONFIG_PINCTRL_MCUX_RT pinctrl_mcux_rt.c)
zephyr_library_sources_ifdef(CONFIG_PINCTRL_SIFIVE pinctrl_sifive.c)
zephyr_library_sources_ifdef(CONFIG_PINCTRL_NXP_IOCON pinctrl_lpc_iocon.c)
zephyr_library_sources_ifdef(CONFIG_PINCTRL_CC13XX_CC26XX pinctrl_cc13xx_cc26xx.c)

1
drivers/pinctrl/Kconfig
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@ -42,5 +42,6 @@ source "drivers/pinctrl/Kconfig.xec"
source "drivers/pinctrl/Kconfig.mcux"
source "drivers/pinctrl/Kconfig.sifive"
source "drivers/pinctrl/Kconfig.lpc_iocon"
source "drivers/pinctrl/Kconfig.cc13xx_cc26xx"
endif # PINCTRL

11
drivers/pinctrl/Kconfig.cc13xx_cc26xx Normal file
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@ -0,0 +1,11 @@
# Copyright (c) 2022 Vaishnav Achath
# SPDX-License-Identifier: Apache-2.0
DT_COMPAT_CC13XX_CC26XX_PINCTRL := ti,cc13xx-cc26xx-pinctrl
config PINCTRL_CC13XX_CC26XX
bool "TI SimpleLink CC13xx / CC26xx pinctrl driver"
depends on SOC_SERIES_CC13X2_CC26X2
default $(dt_compat_enabled,$(DT_COMPAT_CC13XX_CC26XX_PINCTRL))
help
Enable the TI SimpleLink CC13xx / CC26xx pinctrl driver

33
drivers/pinctrl/pinctrl_cc13xx_cc26xx.c Normal file
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@ -0,0 +1,33 @@
/*
* Copyright (c) 2022 Vaishnav Achath
*
* SPDX-License-Identifier: Apache-2.0
*/
#define DT_DRV_COMPAT ti_cc13xx_cc26xx_pinctrl
#include <drivers/pinctrl.h>
#include <driverlib/ioc.h>
static int pinctrl_c13xx_cc26xx_set(uint32_t pin, uint32_t func, uint32_t mode)
{
if (pin >= NUM_IO_MAX || func >= NUM_IO_PORTS) {
return -EINVAL;
}
IOCPortConfigureSet(pin, func, mode);
return 0;
}
int pinctrl_configure_pins(const pinctrl_soc_pin_t *pins, uint8_t pin_cnt, uintptr_t reg)
{
ARG_UNUSED(reg);
for (uint8_t i = 0U; i < pin_cnt; i++) {
pinctrl_c13xx_cc26xx_set(pins[i].pin, pins[i].iofunc, pins[i].iomode);
}
return 0;
}