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drivers: hwinfo: sam: Update to use clock control

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This update Atmel SAM hwinfo reset cause 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 19:06:47 +01:00 committed by Marti Bolivar
parent eb2c6d7e2c
commit 08015c8f57
4 changed files with 8 additions and 8 deletions
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8
drivers/hwinfo/hwinfo_sam_rstc.c
View file

@ -1,5 +1,6 @@
/*
* Copyright (c) 2022 Basalte bv
* Copyright (c) 2023 Gerson Fernando Budke
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -8,8 +9,7 @@
#include <zephyr/device.h>
#include <zephyr/drivers/hwinfo.h>
#include <zephyr/init.h>
#include <soc.h>
#include <zephyr/drivers/clock_control/atmel_sam_pmc.h>
BUILD_ASSERT(DT_NUM_INST_STATUS_OKAY(DT_DRV_COMPAT) == 1,
"No atmel,sam-rstc compatible device found");
@ -56,12 +56,14 @@ int z_impl_hwinfo_get_supported_reset_cause(uint32_t *supported)
static int hwinfo_rstc_init(const struct device *dev)
{
Rstc *regs = (Rstc *)DT_INST_REG_ADDR(0);
const struct atmel_sam_pmc_config clock_cfg = SAM_DT_INST_CLOCK_PMC_CFG(0);
uint32_t mode;
ARG_UNUSED(dev);
/* Enable RSTC in PMC */
soc_pmc_peripheral_enable(DT_INST_PROP(0, peripheral_id));
(void)clock_control_on(SAM_DT_PMC_CONTROLLER,
(clock_control_subsys_t *)&clock_cfg);
/* Get current Mode Register value */
mode = regs->RSTC_MR;

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

@ -216,7 +216,7 @@
rstc: rstc@400e1400 {
compatible = "atmel,sam-rstc";
reg = <0x400e1400 0x10>;
peripheral-id = <1>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 1>;
user-nrst;
};

2
dts/arm/atmel/same70.dtsi
View file

@ -452,7 +452,7 @@
rstc: rstc@400e1800 {
compatible = "atmel,sam-rstc";
reg = <0x400e1800 0x10>;
peripheral-id = <1>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 1>;
user-nrst;
};
};

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

@ -11,9 +11,7 @@ properties:
reg:
required: true
peripheral-id:
type: int
description: peripheral ID
clocks:
required: true
user-nrst: