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29317c6f7e
* import new layout for libreelec patches (no more mbox) * refactor existing patches to kernel 6.17 * fix uboot issue causing VOP IOMMU page fault and no screen
83 lines
2.1 KiB
Diff
83 lines
2.1 KiB
Diff
From 7f2d6a02498ce3fa7771893072e81b31f9bd64b2 Mon Sep 17 00:00:00 2001
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From: Paolo Sabatino <paolo.sabatino@gmail.com>
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Date: Fri, 24 Mar 2023 17:15:16 +0000
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Subject: [PATCH] register act8846 restart handler for SIPC function
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---
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drivers/regulator/act8865-regulator.c | 27 +++++++++++++++++++++++++++
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1 file changed, 27 insertions(+)
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diff --git a/drivers/regulator/act8865-regulator.c b/drivers/regulator/act8865-regulator.c
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index b2a6ddc6f56d..1a88cfb1ba07 100644
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--- a/drivers/regulator/act8865-regulator.c
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+++ b/drivers/regulator/act8865-regulator.c
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@@ -20,6 +20,7 @@
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#include <linux/regulator/of_regulator.h>
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#include <linux/regmap.h>
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#include <dt-bindings/regulator/active-semi,8865-regulator.h>
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+#include <linux/reboot.h>
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/*
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* ACT8600 Global Register Map.
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@@ -141,6 +142,8 @@
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#define ACT8865_VOLTAGE_NUM 64
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#define ACT8600_SUDCDC_VOLTAGE_NUM 256
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+#define ACT8846_SIPC_MASK 0x01
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+
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struct act8865 {
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struct regmap *regmap;
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int off_reg;
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@@ -582,6 +585,32 @@ static void act8865_power_off(void)
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while (1);
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}
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+static int act8846_power_cycle(struct notifier_block *this,
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+ unsigned long code, void *unused)
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+{
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+ struct act8865 *act8846;
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+
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+ pr_info("act8846 restart handler, code: %ld\n", code);
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+
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+ if (code == SYS_RESTART) {
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+
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+ pr_info("act8846 restarting via SIPC\n");
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+
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+ act8846 = i2c_get_clientdata(act8865_i2c_client);
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+ regmap_write(act8846->regmap, ACT8846_GLB_OFF_CTRL, ACT8846_SIPC_MASK);
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+
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+ return NOTIFY_OK;
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+
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+ }
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+
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+ return NOTIFY_DONE;
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+}
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+
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+static struct notifier_block act8846_restart_handler = {
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+ .notifier_call = act8846_power_cycle,
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+ .priority = 255,
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+};
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+
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static int act8600_charger_get_status(struct regmap *map)
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{
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unsigned int val;
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@@ -731,6 +760,15 @@ static int act8865_pmic_probe(struct i2c_client *client)
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} else {
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dev_err(dev, "Failed to set poweroff capability, already defined\n");
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}
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+
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+ if (type == ACT8846) {
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+ act8865_i2c_client = client;
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+ ret = register_reboot_notifier(&act8846_restart_handler);
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+ pr_err("act8846 restart handler registered\n");
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+ if (ret)
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+ pr_err("%s: cannot register restart handler, %d\n",
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+ __func__, ret);
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+ }
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}
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/* Finally register devices */
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--
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2.34.1
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