From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/mfd/sprd-sc27xx-spi.c | 143 +++++++++++++++++++----------------------------
1 files changed, 58 insertions(+), 85 deletions(-)
diff --git a/kernel/drivers/mfd/sprd-sc27xx-spi.c b/kernel/drivers/mfd/sprd-sc27xx-spi.c
index 3ba8cfa..6b79566 100644
--- a/kernel/drivers/mfd/sprd-sc27xx-spi.c
+++ b/kernel/drivers/mfd/sprd-sc27xx-spi.c
@@ -1,23 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2017 Spreadtrum Communications Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mfd/core.h>
+#include <linux/mfd/sc27xx-pmic.h>
#include <linux/of_device.h>
+#include <linux/of_platform.h>
#include <linux/regmap.h>
#include <linux/spi/spi.h>
+#include <uapi/linux/usb/charger.h>
#define SPRD_PMIC_INT_MASK_STATUS 0x0
#define SPRD_PMIC_INT_RAW_STATUS 0x4
@@ -25,6 +20,16 @@
#define SPRD_SC2731_IRQ_BASE 0x140
#define SPRD_SC2731_IRQ_NUMS 16
+#define SPRD_SC2731_CHG_DET 0xedc
+
+/* PMIC charger detection definition */
+#define SPRD_PMIC_CHG_DET_DELAY_US 200000
+#define SPRD_PMIC_CHG_DET_TIMEOUT 2000000
+#define SPRD_PMIC_CHG_DET_DONE BIT(11)
+#define SPRD_PMIC_SDP_TYPE BIT(7)
+#define SPRD_PMIC_DCP_TYPE BIT(6)
+#define SPRD_PMIC_CDP_TYPE BIT(5)
+#define SPRD_PMIC_CHG_TYPE_MASK GENMASK(7, 5)
struct sprd_pmic {
struct regmap *regmap;
@@ -32,12 +37,14 @@
struct regmap_irq *irqs;
struct regmap_irq_chip irq_chip;
struct regmap_irq_chip_data *irq_data;
+ const struct sprd_pmic_data *pdata;
int irq;
};
struct sprd_pmic_data {
u32 irq_base;
u32 num_irqs;
+ u32 charger_det;
};
/*
@@ -48,74 +55,45 @@
static const struct sprd_pmic_data sc2731_data = {
.irq_base = SPRD_SC2731_IRQ_BASE,
.num_irqs = SPRD_SC2731_IRQ_NUMS,
+ .charger_det = SPRD_SC2731_CHG_DET,
};
-static const struct mfd_cell sprd_pmic_devs[] = {
- {
- .name = "sc27xx-wdt",
- .of_compatible = "sprd,sc27xx-wdt",
- }, {
- .name = "sc27xx-rtc",
- .of_compatible = "sprd,sc27xx-rtc",
- }, {
- .name = "sc27xx-charger",
- .of_compatible = "sprd,sc27xx-charger",
- }, {
- .name = "sc27xx-chg-timer",
- .of_compatible = "sprd,sc27xx-chg-timer",
- }, {
- .name = "sc27xx-fast-chg",
- .of_compatible = "sprd,sc27xx-fast-chg",
- }, {
- .name = "sc27xx-chg-wdt",
- .of_compatible = "sprd,sc27xx-chg-wdt",
- }, {
- .name = "sc27xx-typec",
- .of_compatible = "sprd,sc27xx-typec",
- }, {
- .name = "sc27xx-flash",
- .of_compatible = "sprd,sc27xx-flash",
- }, {
- .name = "sc27xx-eic",
- .of_compatible = "sprd,sc27xx-eic",
- }, {
- .name = "sc27xx-efuse",
- .of_compatible = "sprd,sc27xx-efuse",
- }, {
- .name = "sc27xx-thermal",
- .of_compatible = "sprd,sc27xx-thermal",
- }, {
- .name = "sc27xx-adc",
- .of_compatible = "sprd,sc27xx-adc",
- }, {
- .name = "sc27xx-audio-codec",
- .of_compatible = "sprd,sc27xx-audio-codec",
- }, {
- .name = "sc27xx-regulator",
- .of_compatible = "sprd,sc27xx-regulator",
- }, {
- .name = "sc27xx-vibrator",
- .of_compatible = "sprd,sc27xx-vibrator",
- }, {
- .name = "sc27xx-keypad-led",
- .of_compatible = "sprd,sc27xx-keypad-led",
- }, {
- .name = "sc27xx-bltc",
- .of_compatible = "sprd,sc27xx-bltc",
- }, {
- .name = "sc27xx-fgu",
- .of_compatible = "sprd,sc27xx-fgu",
- }, {
- .name = "sc27xx-7sreset",
- .of_compatible = "sprd,sc27xx-7sreset",
- }, {
- .name = "sc27xx-poweroff",
- .of_compatible = "sprd,sc27xx-poweroff",
- }, {
- .name = "sc27xx-syscon",
- .of_compatible = "sprd,sc27xx-syscon",
- },
-};
+enum usb_charger_type sprd_pmic_detect_charger_type(struct device *dev)
+{
+ struct spi_device *spi = to_spi_device(dev);
+ struct sprd_pmic *ddata = spi_get_drvdata(spi);
+ const struct sprd_pmic_data *pdata = ddata->pdata;
+ enum usb_charger_type type;
+ u32 val;
+ int ret;
+
+ ret = regmap_read_poll_timeout(ddata->regmap, pdata->charger_det, val,
+ (val & SPRD_PMIC_CHG_DET_DONE),
+ SPRD_PMIC_CHG_DET_DELAY_US,
+ SPRD_PMIC_CHG_DET_TIMEOUT);
+ if (ret) {
+ dev_err(&spi->dev, "failed to detect charger type\n");
+ return UNKNOWN_TYPE;
+ }
+
+ switch (val & SPRD_PMIC_CHG_TYPE_MASK) {
+ case SPRD_PMIC_CDP_TYPE:
+ type = CDP_TYPE;
+ break;
+ case SPRD_PMIC_DCP_TYPE:
+ type = DCP_TYPE;
+ break;
+ case SPRD_PMIC_SDP_TYPE:
+ type = SDP_TYPE;
+ break;
+ default:
+ type = UNKNOWN_TYPE;
+ break;
+ }
+
+ return type;
+}
+EXPORT_SYMBOL_GPL(sprd_pmic_detect_charger_type);
static int sprd_pmic_spi_write(void *context, const void *data, size_t count)
{
@@ -189,6 +167,7 @@
spi_set_drvdata(spi, ddata);
ddata->dev = &spi->dev;
ddata->irq = spi->irq;
+ ddata->pdata = pdata;
ddata->irq_chip.name = dev_name(&spi->dev);
ddata->irq_chip.status_base =
@@ -206,10 +185,8 @@
return -ENOMEM;
ddata->irq_chip.irqs = ddata->irqs;
- for (i = 0; i < pdata->num_irqs; i++) {
- ddata->irqs[i].reg_offset = i / pdata->num_irqs;
- ddata->irqs[i].mask = BIT(i % pdata->num_irqs);
- }
+ for (i = 0; i < pdata->num_irqs; i++)
+ ddata->irqs[i].mask = BIT(i);
ret = devm_regmap_add_irq_chip(&spi->dev, ddata->regmap, ddata->irq,
IRQF_ONESHOT, 0,
@@ -219,12 +196,9 @@
return ret;
}
- ret = devm_mfd_add_devices(&spi->dev, PLATFORM_DEVID_AUTO,
- sprd_pmic_devs, ARRAY_SIZE(sprd_pmic_devs),
- NULL, 0,
- regmap_irq_get_domain(ddata->irq_data));
+ ret = devm_of_platform_populate(&spi->dev);
if (ret) {
- dev_err(&spi->dev, "Failed to register device %d\n", ret);
+ dev_err(&spi->dev, "Failed to populate sub-devices %d\n", ret);
return ret;
}
@@ -265,7 +239,6 @@
static struct spi_driver sprd_pmic_driver = {
.driver = {
.name = "sc27xx-pmic",
- .bus = &spi_bus_type,
.of_match_table = sprd_pmic_match,
.pm = &sprd_pmic_pm_ops,
},
--
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