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drivers: pinctrl: npcx: add pinctrl driver support for npck3

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As title.

Signed-off-by: Alvis Sun <yfsun@nuvoton.com>
This commit is contained in:
Alvis Sun 2023-12-10 19:37:57 -08:00 • committed by Benjamin Cabé
commit d0e488e071
5 changed files with 41 additions and 2 deletions
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7
drivers/pinctrl/Kconfig.npcx
View file

@ -3,7 +3,6 @@
# Copyright (c) 2022 Nuvoton Technology Corporation.
# SPDX-License-Identifier: Apache-2.0
config PINCTRL_NPCX
bool "Nuvoton NPCX embedded controller (EC) pin controller driver"
default y
@ -11,3 +10,9 @@ config PINCTRL_NPCX
help
This option enables the pin controller driver for NPCX family of
processors.
config PINCTRL_NPCX_EX
bool "Extended NPCX driver support"
default y if DT_HAS_NUVOTON_NPCX_PINCTRL_NPCKN_ENABLED
help
This option enables the extended driver for NPCKN variant of processors.

13
drivers/pinctrl/pinctrl_npcx.c
View file

@ -139,11 +139,24 @@ static void npcx_psl_input_detection_configure(const pinctrl_soc_pin_t *pin)
}
/* Configure detection mode of PSL input pads */
#if defined(CONFIG_PINCTRL_NPCX_EX)
if (pin->flags.psl_in_mode == NPCX_PSL_IN_MODE_EDGE) {
inst_glue->PSL_CTS3 |= BIT(psl_in->port);
} else {
inst_glue->PSL_CTS3 &= ~BIT(psl_in->port);
}
/* Clear event bits */
inst_glue->PSL_CTS |= BIT(psl_in->port);
inst_glue->PSL_IN_POS |= BIT(psl_in->port);
inst_glue->PSL_IN_NEG |= BIT(psl_in->port);
#else
if (pin->flags.psl_in_mode == NPCX_PSL_IN_MODE_EDGE) {
inst_glue->PSL_CTS |= NPCX_PSL_CTS_MODE_BIT(psl_in->port);
} else {
inst_glue->PSL_CTS &= ~NPCX_PSL_CTS_MODE_BIT(psl_in->port);
}
#endif /* CONFIG_PINCTRL_NPCX_EX */
}
static void npcx_device_control_configure(const pinctrl_soc_pin_t *pin)

2
dts/arm/nuvoton/npck/npck.dtsi
View file

@ -56,7 +56,7 @@
* Then, the user can override the pin control options at the board level.
*/
pinctrl: pinctrl {
compatible = "nuvoton,npcx-pinctrl";
compatible = "nuvoton,npcx-pinctrl", "nuvoton,npcx-pinctrl-npckn";
status = "okay";
};

9
dts/bindings/pinctrl/nuvoton,npcx-pinctrl-npckn.yaml Normal file
View file

@ -0,0 +1,9 @@
# Copyright (c) 2025 Nuvoton Technology Corporation.
# SPDX-License-Identifier: Apache-2.0
description: |
Nuvoton npcx pinctrl for npckn variant
compatible: "nuvoton,npcx-pinctrl-npckn"
include: nuvoton,npcx-pinctrl.yaml

12
soc/nuvoton/npcx/common/scfg.c
View file

@ -98,6 +98,7 @@ void npcx_pinctrl_i2c_port_sel(int controller, int port)
{
struct glue_reg *const inst_glue = HAL_GLUE_INST();
/* Set SMB_SEL bit to select port 1, otherwise select port 0 */
if (port != 0) {
inst_glue->SMB_SEL |= BIT(controller);
} else {
@ -138,10 +139,17 @@ int npcx_pinctrl_flash_write_protect_set(void)
{
struct scfg_reg *inst_scfg = HAL_SFCG_INST();
#if defined(CONFIG_PINCTRL_NPCX_EX)
inst_scfg->DEV_CTL3 |= BIT(NPCX_DEV_CTL3_WP_IF);
if (!IS_BIT_SET(inst_scfg->DEV_CTL3, NPCX_DEV_CTL3_WP_IF)) {
return -EIO;
}
#else
inst_scfg->DEV_CTL4 |= BIT(NPCX_DEV_CTL4_WP_IF);
if (!IS_BIT_SET(inst_scfg->DEV_CTL4, NPCX_DEV_CTL4_WP_IF)) {
return -EIO;
}
#endif
return 0;
}
@ -150,7 +158,11 @@ bool npcx_pinctrl_flash_write_protect_is_set(void)
{
struct scfg_reg *inst_scfg = HAL_SFCG_INST();
#if defined(CONFIG_PINCTRL_NPCX_EX)
return IS_BIT_SET(inst_scfg->DEV_CTL3, NPCX_DEV_CTL3_WP_IF);
#else
return IS_BIT_SET(inst_scfg->DEV_CTL4, NPCX_DEV_CTL4_WP_IF);
#endif
}
void npcx_host_interface_sel(enum npcx_hif_type hif_type)