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drivers: spi: sam: Update to use clock control

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This update Atmel SAM spi driver to use clock control driver.

Signed-off-by: Gerson Fernando Budke <nandojve@gmail.com>
This commit is contained in:
Gerson Fernando Budke 2023-03-07 19:43:12 +01:00 committed by Marti Bolivar
parent 91e219c644
commit 4f59d50441
6 changed files with 13 additions and 11 deletions
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10
drivers/spi/spi_sam.c
View file

@ -1,6 +1,7 @@
/*
* Copyright (c) 2017 Google LLC.
* Copyright (c) 2018 qianfan Zhao.
* Copyright (c) 2023 Gerson Fernando Budke.
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -17,6 +18,7 @@ LOG_MODULE_REGISTER(spi_sam);
#include <zephyr/drivers/spi.h>
#include <zephyr/drivers/dma.h>
#include <zephyr/drivers/pinctrl.h>
#include <zephyr/drivers/clock_control/atmel_sam_pmc.h>
#include <soc.h>
#define SAM_SPI_CHIP_SELECT_COUNT 4
@ -27,7 +29,7 @@ LOG_MODULE_REGISTER(spi_sam);
/* Device constant configuration parameters */
struct spi_sam_config {
Spi *regs;
uint32_t periph_id;
const struct atmel_sam_pmc_config clock_cfg;
const struct pinctrl_dev_config *pcfg;
bool loopback;
@ -680,7 +682,9 @@ static int spi_sam_init(const struct device *dev)
const struct spi_sam_config *cfg = dev->config;
struct spi_sam_data *data = dev->data;
soc_pmc_peripheral_enable(cfg->periph_id);
/* Enable SPI clock in PMC */
(void)clock_control_on(SAM_DT_PMC_CONTROLLER,
(clock_control_subsys_t *)&cfg->clock_cfg);
err = pinctrl_apply_state(cfg->pcfg, PINCTRL_STATE_DEFAULT);
if (err < 0) {
@ -729,7 +733,7 @@ static const struct spi_driver_api spi_sam_driver_api = {
#define SPI_SAM_DEFINE_CONFIG(n) \
static const struct spi_sam_config spi_sam_config_##n = { \
.regs = (Spi *)DT_INST_REG_ADDR(n), \
.periph_id = DT_INST_PROP(n, peripheral_id), \
.clock_cfg = SAM_DT_INST_CLOCK_PMC_CFG(n), \
.pcfg = PINCTRL_DT_INST_DEV_CONFIG_GET(n), \
.loopback = DT_INST_PROP(n, loopback), \
COND_CODE_1(SPI_SAM_USE_DMA(n), (SPI_DMA_INIT(n)), ()) \

2
dts/arm/atmel/sam4e.dtsi
View file

@ -102,7 +102,7 @@
#size-cells = <0>;
reg = <0x40088000 0x4000>;
interrupts = <19 0>;
peripheral-id = <19>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 19>;
status = "disabled";
};

2
dts/arm/atmel/sam4l.dtsi
View file

@ -124,7 +124,7 @@
compatible = "atmel,sam-spi";
reg = <0x40008000 0x4000>;
interrupts = <54 0>;
peripheral-id = <1>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 1>;
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;

2
dts/arm/atmel/sam4s.dtsi
View file

@ -104,7 +104,7 @@
#size-cells = <0>;
reg = <0x40008000 0x4000>;
interrupts = <21 0>;
peripheral-id = <21>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 21>;
status = "disabled";
};

4
dts/arm/atmel/same70.dtsi
View file

@ -121,7 +121,7 @@
#size-cells = <0>;
reg = <0x40008000 0x4000>;
interrupts = <21 0>;
peripheral-id = <21>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 21>;
status = "disabled";
};
@ -131,7 +131,7 @@
#size-cells = <0>;
reg = <0x40058000 0x4000>;
interrupts = <42 0>;
peripheral-id = <42>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 42>;
status = "disabled";
};

4
dts/bindings/spi/atmel,sam-spi.yaml
View file

@ -16,9 +16,7 @@ properties:
interrupts:
required: true
peripheral-id:
type: int
description: peripheral ID
clocks:
required: true
loopback: