pinmux: RV32M1: introduce pinmux driver / DT bindings
Add a pinmux driver. Signed-off-by: Michael Scott <mike@foundries.io> Signed-off-by: Marti Bolivar <marti@foundries.io>
This commit is contained in:
parent
58d8afb476
commit
cdb1714c6c
7 changed files with 268 additions and 0 deletions
|
@ -8,6 +8,7 @@ zephyr_sources_ifdef(CONFIG_PINMUX_QMSI pinmux_qmsi.c)
|
|||
zephyr_sources_ifdef(CONFIG_PINMUX_STM32 stm32/pinmux_stm32.c)
|
||||
zephyr_sources_ifdef(CONFIG_PINMUX_SAM0 pinmux_sam0.c)
|
||||
zephyr_sources_ifdef(CONFIG_PINMUX_INTEL_S1000 pinmux_intel_s1000.c)
|
||||
zephyr_sources_ifdef(CONFIG_PINMUX_RV32M1 pinmux_rv32m1.c)
|
||||
|
||||
# "runtime" pinmux
|
||||
add_subdirectory_ifdef(CONFIG_PINMUX_DEV dev)
|
||||
|
|
|
@ -61,4 +61,6 @@ source "drivers/pinmux/Kconfig.sam0"
|
|||
|
||||
source "drivers/pinmux/Kconfig.intel_s1000"
|
||||
|
||||
source "drivers/pinmux/Kconfig.rv32m1"
|
||||
|
||||
endif # PINMUX
|
||||
|
|
67
drivers/pinmux/Kconfig.rv32m1
Normal file
67
drivers/pinmux/Kconfig.rv32m1
Normal file
|
@ -0,0 +1,67 @@
|
|||
# Kconfig - RV31M1 SDK pinmux
|
||||
#
|
||||
# Copyright (c) 2018 Foundries.io
|
||||
#
|
||||
# SPDX-License-Identifier: Apache-2.0
|
||||
#
|
||||
|
||||
menuconfig PINMUX_RV32M1
|
||||
bool "RV32M1 pinmux driver"
|
||||
depends on PINMUX && SOC_OPENISA_RV32M1_RISCV32
|
||||
help
|
||||
Enable the RV32M1 pinmux driver.
|
||||
|
||||
if PINMUX_RV32M1
|
||||
|
||||
config PINMUX_RV32M1_PORTA
|
||||
bool "Port A"
|
||||
help
|
||||
Enable Port A.
|
||||
|
||||
config PINMUX_RV32M1_PORTA_NAME
|
||||
string "Pinmux Port A driver name"
|
||||
depends on PINMUX_RV32M1_PORTA
|
||||
default "porta"
|
||||
|
||||
config PINMUX_RV32M1_PORTB
|
||||
bool "Port B"
|
||||
help
|
||||
Enable Port B.
|
||||
|
||||
config PINMUX_RV32M1_PORTB_NAME
|
||||
string "Pinmux Port B driver name"
|
||||
depends on PINMUX_RV32M1_PORTB
|
||||
default "portb"
|
||||
|
||||
config PINMUX_RV32M1_PORTC
|
||||
bool "Port C"
|
||||
help
|
||||
Enable Port C.
|
||||
|
||||
config PINMUX_RV32M1_PORTC_NAME
|
||||
string "Pinmux Port C driver name"
|
||||
depends on PINMUX_RV32M1_PORTC
|
||||
default "portc"
|
||||
|
||||
config PINMUX_RV32M1_PORTD
|
||||
bool "Port D"
|
||||
help
|
||||
Enable Port D.
|
||||
|
||||
config PINMUX_RV32M1_PORTD_NAME
|
||||
string "Pinmux Port D driver name"
|
||||
depends on PINMUX_RV32M1_PORTD
|
||||
default "portd"
|
||||
|
||||
config PINMUX_RV32M1_PORTE
|
||||
bool "Port E"
|
||||
depends on RV32M1_INTMUX
|
||||
help
|
||||
Enable Port E.
|
||||
|
||||
config PINMUX_RV32M1_PORTE_NAME
|
||||
string "Pinmux Port E driver name"
|
||||
depends on PINMUX_RV32M1_PORTE
|
||||
default "porte"
|
||||
|
||||
endif # PINMUX_RV32M1
|
129
drivers/pinmux/pinmux_rv32m1.c
Normal file
129
drivers/pinmux/pinmux_rv32m1.c
Normal file
|
@ -0,0 +1,129 @@
|
|||
/*
|
||||
* Copyright (c) 2016 Freescale Semiconductor, Inc.
|
||||
* Copyright (c) 2018 Foundries.io
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*/
|
||||
|
||||
#include <errno.h>
|
||||
#include <device.h>
|
||||
#include <pinmux.h>
|
||||
|
||||
#include <fsl_common.h>
|
||||
#include <fsl_clock.h>
|
||||
|
||||
struct pinmux_rv32m1_config {
|
||||
clock_ip_name_t clock_ip_name;
|
||||
PORT_Type *base;
|
||||
};
|
||||
|
||||
static int pinmux_rv32m1_set(struct device *dev, u32_t pin, u32_t func)
|
||||
{
|
||||
const struct pinmux_rv32m1_config *config = dev->config->config_info;
|
||||
PORT_Type *base = config->base;
|
||||
|
||||
base->PCR[pin] = (base->PCR[pin] & ~PORT_PCR_MUX_MASK) | func;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int pinmux_rv32m1_get(struct device *dev, u32_t pin, u32_t *func)
|
||||
{
|
||||
const struct pinmux_rv32m1_config *config = dev->config->config_info;
|
||||
PORT_Type *base = config->base;
|
||||
|
||||
*func = base->PCR[pin] & ~PORT_PCR_MUX_MASK;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int pinmux_rv32m1_pullup(struct device *dev, u32_t pin, u8_t func)
|
||||
{
|
||||
return -ENOTSUP;
|
||||
}
|
||||
|
||||
static int pinmux_rv32m1_input(struct device *dev, u32_t pin, u8_t func)
|
||||
{
|
||||
return -ENOTSUP;
|
||||
}
|
||||
|
||||
static int pinmux_rv32m1_init(struct device *dev)
|
||||
{
|
||||
const struct pinmux_rv32m1_config *config = dev->config->config_info;
|
||||
|
||||
CLOCK_EnableClock(config->clock_ip_name);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct pinmux_driver_api pinmux_rv32m1_driver_api = {
|
||||
.set = pinmux_rv32m1_set,
|
||||
.get = pinmux_rv32m1_get,
|
||||
.pullup = pinmux_rv32m1_pullup,
|
||||
.input = pinmux_rv32m1_input,
|
||||
};
|
||||
|
||||
#ifdef CONFIG_PINMUX_RV32M1_PORTA
|
||||
static const struct pinmux_rv32m1_config pinmux_rv32m1_porta_config = {
|
||||
.base = (PORT_Type *)PINMUX_A_BASE_ADDRESS,
|
||||
.clock_ip_name = kCLOCK_PortA,
|
||||
};
|
||||
|
||||
DEVICE_AND_API_INIT(pinmux_porta, CONFIG_PINMUX_RV32M1_PORTA_NAME,
|
||||
&pinmux_rv32m1_init,
|
||||
NULL, &pinmux_rv32m1_porta_config,
|
||||
PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
|
||||
&pinmux_rv32m1_driver_api);
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_PINMUX_RV32M1_PORTB
|
||||
static const struct pinmux_rv32m1_config pinmux_rv32m1_portb_config = {
|
||||
.base = (PORT_Type *)PINMUX_B_BASE_ADDRESS,
|
||||
.clock_ip_name = kCLOCK_PortB,
|
||||
};
|
||||
|
||||
DEVICE_AND_API_INIT(pinmux_portb, CONFIG_PINMUX_RV32M1_PORTB_NAME,
|
||||
&pinmux_rv32m1_init,
|
||||
NULL, &pinmux_rv32m1_portb_config,
|
||||
PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
|
||||
&pinmux_rv32m1_driver_api);
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_PINMUX_RV32M1_PORTC
|
||||
static const struct pinmux_rv32m1_config pinmux_rv32m1_portc_config = {
|
||||
.base = (PORT_Type *)PINMUX_C_BASE_ADDRESS,
|
||||
.clock_ip_name = kCLOCK_PortC,
|
||||
};
|
||||
|
||||
DEVICE_AND_API_INIT(pinmux_portc, CONFIG_PINMUX_RV32M1_PORTC_NAME,
|
||||
&pinmux_rv32m1_init,
|
||||
NULL, &pinmux_rv32m1_portc_config,
|
||||
PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
|
||||
&pinmux_rv32m1_driver_api);
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_PINMUX_RV32M1_PORTD
|
||||
static const struct pinmux_rv32m1_config pinmux_rv32m1_portd_config = {
|
||||
.base = (PORT_Type *)PINMUX_D_BASE_ADDRESS,
|
||||
.clock_ip_name = kCLOCK_PortD,
|
||||
};
|
||||
|
||||
DEVICE_AND_API_INIT(pinmux_portd, CONFIG_PINMUX_RV32M1_PORTD_NAME,
|
||||
&pinmux_rv32m1_init,
|
||||
NULL, &pinmux_rv32m1_portd_config,
|
||||
PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
|
||||
&pinmux_rv32m1_driver_api);
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_PINMUX_RV32M1_PORTE
|
||||
static const struct pinmux_rv32m1_config pinmux_rv32m1_porte_config = {
|
||||
.base = (PORT_Type *)PINMUX_E_BASE_ADDRESS,
|
||||
.clock_ip_name = kCLOCK_PortE,
|
||||
};
|
||||
|
||||
DEVICE_AND_API_INIT(pinmux_porte, CONFIG_PINMUX_RV32M1_PORTE_NAME,
|
||||
&pinmux_rv32m1_init,
|
||||
NULL, &pinmux_rv32m1_porte_config,
|
||||
PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
|
||||
&pinmux_rv32m1_driver_api);
|
||||
#endif
|
31
dts/bindings/pinctrl/openisa,rv32m1-pinmux.yaml
Normal file
31
dts/bindings/pinctrl/openisa,rv32m1-pinmux.yaml
Normal file
|
@ -0,0 +1,31 @@
|
|||
---
|
||||
title: RV32M1 Pinmux
|
||||
version: 0.1
|
||||
|
||||
description: >
|
||||
This is a representation of the RV32M1 Pinmux node
|
||||
|
||||
properties:
|
||||
compatible:
|
||||
type: string
|
||||
category: required
|
||||
description: compatible strings
|
||||
constraint: "openisa,rv32m1-pinmux"
|
||||
generation: define
|
||||
|
||||
reg:
|
||||
type: int
|
||||
description: mmio register space
|
||||
generation: define
|
||||
category: required
|
||||
|
||||
clocks:
|
||||
type: array
|
||||
description: clock gate information
|
||||
generation: define
|
||||
category: required
|
||||
|
||||
"#cells":
|
||||
- pin
|
||||
- function
|
||||
...
|
|
@ -14,6 +14,11 @@
|
|||
pcc-1 = &pcc1;
|
||||
intmux = &intmux;
|
||||
system-lptmr = &lptmr0;
|
||||
pinmux-a = &pinmux_a;
|
||||
pinmux-b = &pinmux_b;
|
||||
pinmux-c = &pinmux_c;
|
||||
pinmux-d = &pinmux_d;
|
||||
pinmux-e = &pinmux_e;
|
||||
};
|
||||
|
||||
cpus {
|
||||
|
@ -108,5 +113,35 @@
|
|||
interrupts = <INTMUX_LEVEL2_IRQ(INTMUX_CH1, 22)>;
|
||||
label = "LPTMR_2";
|
||||
};
|
||||
|
||||
pinmux_a: pinmux@40046000 {
|
||||
compatible = "openisa,rv32m1-pinmux";
|
||||
reg = <0x40046000 0xd0>;
|
||||
clocks = <&pcc0 0x118>;
|
||||
};
|
||||
|
||||
pinmux_b: pinmux@40047000 {
|
||||
compatible = "openisa,rv32m1-pinmux";
|
||||
reg = <0x40047000 0xd0>;
|
||||
clocks = <&pcc0 0x11c>;
|
||||
};
|
||||
|
||||
pinmux_c: pinmux@40048000 {
|
||||
compatible = "openisa,rv32m1-pinmux";
|
||||
reg = <0x40048000 0xd0>;
|
||||
clocks = <&pcc0 0x120>;
|
||||
};
|
||||
|
||||
pinmux_d: pinmux@40049000 {
|
||||
compatible = "openisa,rv32m1-pinmux";
|
||||
reg = <0x40049000 0xd0>;
|
||||
clocks = <&pcc0 0x124>;
|
||||
};
|
||||
|
||||
pinmux_e: pinmux@41037000 {
|
||||
compatible = "openisa,rv32m1-pinmux";
|
||||
reg = <0x41037000 0xd0>;
|
||||
clocks = <&pcc1 0xdc>;
|
||||
};
|
||||
};
|
||||
};
|
||||
|
|
|
@ -167,4 +167,7 @@ config RV32M1_INTMUX_CHANNEL_7
|
|||
|
||||
endif # MULTI_LEVEL_INTERRUPTS
|
||||
|
||||
config PINMUX_RV32M1
|
||||
def_bool y
|
||||
|
||||
endif # SOC_OPENISA_RV32M1_RISCV32
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue