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ITE: drivers/adc: Use pinctrl instead of pinmux driver

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Use pinctrl instead of pinmux driver.

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
This commit is contained in:
Tim Lin 2022-03-24 16:27:30 +08:00 • committed by Carles Cufí
commit 74321f11d6
6 changed files with 61 additions and 66 deletions
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2
boards/riscv/it8xxx2_evb/it8xxx2_evb.dts
View file

@ -47,6 +47,8 @@
};
&adc0 {
status = "okay";
pinctrl-0 = <&adc0_ch3_gpi3_default>;
pinctrl-names = "default";
};
/* voltage comparator for test */
&vcmp0 {

31
drivers/adc/adc_ite_it8xxx2.c
View file

@ -11,7 +11,7 @@
LOG_MODULE_REGISTER(adc_ite_it8xxx2);
#include <drivers/adc.h>
#include <drivers/pinmux.h>
#include <drivers/pinctrl.h>
#include <soc.h>
#include <soc_dt.h>
#include <errno.h>
@ -68,12 +68,8 @@ struct adc_it8xxx2_data {
* this config will be used at initial time
*/
struct adc_it8xxx2_cfg {
/* Pinmux control group */
const struct device *pinctrls;
/* GPIO pin */
uint8_t pin;
/* Alternate function */
uint8_t alt_fun;
/* ADC alternate configuration */
const struct pinctrl_dev_config *pcfg;
};
#define ADC_IT8XXX2_REG_BASE \
@ -82,7 +78,6 @@ struct adc_it8xxx2_cfg {
static int adc_it8xxx2_channel_setup(const struct device *dev,
const struct adc_channel_cfg *channel_cfg)
{
const struct adc_it8xxx2_cfg *config = dev->config;
uint8_t channel_id = channel_cfg->channel_id;
if (channel_cfg->acquisition_time != ADC_ACQ_TIME_DEFAULT) {
@ -112,10 +107,6 @@ static int adc_it8xxx2_channel_setup(const struct device *dev,
return -EINVAL;
}
/* The channel is set to ADC alternate function */
pinmux_pin_set(config[channel_id].pinctrls,
config[channel_id].pin,
config[channel_id].alt_fun);
LOG_DBG("Channel setup succeeded!");
return 0;
}
@ -410,12 +401,21 @@ static void adc_accuracy_initialization(void)
static int adc_it8xxx2_init(const struct device *dev)
{
const struct adc_it8xxx2_cfg *config = dev->config;
struct adc_it8xxx2_data *data = dev->data;
struct adc_it8xxx2_regs *const adc_regs = ADC_IT8XXX2_REG_BASE;
int status;
/* ADC analog accuracy initialization */
adc_accuracy_initialization();
/* Set the pin to ADC alternate function. */
status = pinctrl_apply_state(config->pcfg, PINCTRL_STATE_DEFAULT);
if (status < 0) {
LOG_ERR("Failed to configure ADC pins");
return status;
}
/*
* The ADC channel conversion time is 30.8*(SCLKDIV+1) us.
* (Current setting is 61.6us)
@ -451,8 +451,11 @@ static struct adc_it8xxx2_data adc_it8xxx2_data_0 = {
ADC_CONTEXT_INIT_SYNC(adc_it8xxx2_data_0, ctx),
};
static const struct adc_it8xxx2_cfg adc_it8xxx2_cfg_0[CHIP_ADC_COUNT] =
IT8XXX2_DT_ALT_ITEMS_LIST(0);
PINCTRL_DT_INST_DEFINE(0);
static const struct adc_it8xxx2_cfg adc_it8xxx2_cfg_0 = {
.pcfg = PINCTRL_DT_INST_DEV_CONFIG_GET(0),
};
DEVICE_DT_INST_DEFINE(0, adc_it8xxx2_init,
NULL,

6
dts/bindings/adc/ite,it8xxx2-adc.yaml
View file

@ -5,14 +5,16 @@ description: ITE it8xxx2 ADC
compatible: "ite,it8xxx2-adc"
include: adc-controller.yaml
include: [adc-controller.yaml, pinctrl-device.yaml]
properties:
interrupts:
required: true
pinctrl-0:
type: phandles
required: true
pinctrl-names:
required: true
io-channel-cells:

38
dts/riscv/it8xxx2-alts-map.dtsi
View file

@ -10,44 +10,6 @@
it8xxx2_alts_map {
compatible = "ite,it8xxx2-pinctrl-conf";
/* ADC alternate function */
pinctrl_adc0: adc0 {
pinctrls = <&pinmuxi 0 IT8XXX2_PINMUX_FUNC_1>;
};
pinctrl_adc1: adc1 {
pinctrls = <&pinmuxi 1 IT8XXX2_PINMUX_FUNC_1>;
};
pinctrl_adc2: adc2 {
pinctrls = <&pinmuxi 2 IT8XXX2_PINMUX_FUNC_1>;
};
pinctrl_adc3: adc3 {
pinctrls = <&pinmuxi 3 IT8XXX2_PINMUX_FUNC_1>;
};
pinctrl_adc4: adc4 {
pinctrls = <&pinmuxi 4 IT8XXX2_PINMUX_FUNC_1>;
};
pinctrl_adc5: adc5 {
pinctrls = <&pinmuxi 5 IT8XXX2_PINMUX_FUNC_1>;
};
pinctrl_adc6: adc6 {
pinctrls = <&pinmuxi 6 IT8XXX2_PINMUX_FUNC_1>;
};
pinctrl_adc7: adc7 {
pinctrls = <&pinmuxi 7 IT8XXX2_PINMUX_FUNC_1>;
};
pinctrl_adc13: adc13 {
pinctrls = <&pinmuxl 0 IT8XXX2_PINMUX_FUNC_1>;
};
pinctrl_adc14: adc14 {
pinctrls = <&pinmuxl 1 IT8XXX2_PINMUX_FUNC_1>;
};
pinctrl_adc15: adc15 {
pinctrls = <&pinmuxl 2 IT8XXX2_PINMUX_FUNC_1>;
};
pinctrl_adc16: adc16 {
pinctrls = <&pinmuxl 3 IT8XXX2_PINMUX_FUNC_1>;
};
/* PWM alternate function */
pinctrl_pwm0: pwm0 {
pinctrls = <&pinmuxa 0 IT8XXX2_PINMUX_FUNC_1>;

12
dts/riscv/it8xxx2.dtsi
View file

@ -1074,18 +1074,6 @@
status = "disabled";
label = "ADC_0";
#io-channel-cells = <1>;
pinctrl-0 = <&pinctrl_adc0 /* ADC0*/
&pinctrl_adc1 /* ADC1*/
&pinctrl_adc2 /* ADC2*/
&pinctrl_adc3 /* ADC3*/
&pinctrl_adc4 /* ADC4*/
&pinctrl_adc5 /* ADC5*/
&pinctrl_adc6 /* ADC6*/
&pinctrl_adc7 /* ADC7*/
&pinctrl_adc13 /* ADC13*/
&pinctrl_adc14 /* ADC14*/
&pinctrl_adc15 /* ADC15*/
&pinctrl_adc16>;/* ADC16*/
};
vcmp0: vcmp@f01946 {
compatible = "ite,it8xxx2-vcmp";

38
dts/riscv/ite/it8xxx2-pinctrl-map.dtsi
View file

@ -7,6 +7,44 @@
#include <dt-bindings/pinctrl/it8xxx2-pinctrl.h>
&pinctrl {
/* ADC alternate function */
adc0_ch0_gpi0_default: adc0_ch0_gpi0_default {
pinmuxs = <&pinctrli 0 IT8XXX2_ALT_FUNC_1>;
};
adc0_ch1_gpi1_default: adc0_ch1_gpi1_default {
pinmuxs = <&pinctrli 1 IT8XXX2_ALT_FUNC_1>;
};
adc0_ch2_gpi2_default: adc0_ch2_gpi2_default {
pinmuxs = <&pinctrli 2 IT8XXX2_ALT_FUNC_1>;
};
adc0_ch3_gpi3_default: adc0_ch3_gpi3_default {
pinmuxs = <&pinctrli 3 IT8XXX2_ALT_FUNC_1>;
};
adc0_ch4_gpi4_default: adc0_ch4_gpi4_default {
pinmuxs = <&pinctrli 4 IT8XXX2_ALT_FUNC_1>;
};
adc0_ch5_gpi5_default: adc0_ch5_gpi5_default {
pinmuxs = <&pinctrli 5 IT8XXX2_ALT_FUNC_1>;
};
adc0_ch6_gpi6_default: adc0_ch6_gpi6_default {
pinmuxs = <&pinctrli 6 IT8XXX2_ALT_FUNC_1>;
};
adc0_ch7_gpi7_default: adc0_ch7_gpi7_default {
pinmuxs = <&pinctrli 7 IT8XXX2_ALT_FUNC_1>;
};
adc0_ch13_gpl0_default: adc0_ch13_gpl0_default {
pinmuxs = <&pinctrll 0 IT8XXX2_ALT_FUNC_1>;
};
adc0_ch14_gpl1_default: adc0_ch14_gpl1_default {
pinmuxs = <&pinctrll 1 IT8XXX2_ALT_FUNC_1>;
};
adc0_ch15_gpl2_default: adc0_ch15_gpl2_default {
pinmuxs = <&pinctrll 2 IT8XXX2_ALT_FUNC_1>;
};
adc0_ch16_gpl3_default: adc0_ch16_gpl3_default {
pinmuxs = <&pinctrll 3 IT8XXX2_ALT_FUNC_1>;
};
/* UART alternate function */
uart1_rx_gpb0_default: uart1_rx_gpb0_default {
pinmuxs = <&pinctrlb 0 IT8XXX2_ALT_FUNC_3>;