GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <power/pmic.h>
+#include <power/pfuze100_pmic.h>
+
+#ifndef CONFIG_DM_PMIC_PFUZE100
+int pfuze_mode_init(struct pmic *p, u32 mode)
+{
+	unsigned char offset, i, switch_num;
+	u32 id;
+	int ret;
+
+	pmic_reg_read(p, PFUZE100_DEVICEID, &id);
+	id = id & 0xf;
+
+	if (id == 0) {
+		switch_num = 6;
+		offset = PFUZE100_SW1CMODE;
+	} else if (id == 1) {
+		switch_num = 4;
+		offset = PFUZE100_SW2MODE;
+	} else {
+		printf("Not supported, id=%d\n", id);
+		return -EINVAL;
+	}
+
+	ret = pmic_reg_write(p, PFUZE100_SW1ABMODE, mode);
+	if (ret < 0) {
+		printf("Set SW1AB mode error!\n");
+		return ret;
+	}
+
+	for (i = 0; i < switch_num - 1; i++) {
+		ret = pmic_reg_write(p, offset + i * SWITCH_SIZE, mode);
+		if (ret < 0) {
+			printf("Set switch 0x%x mode error!\n",
+			       offset + i * SWITCH_SIZE);
+			return ret;
+		}
+	}
+
+	return ret;
+}
+
+struct pmic *pfuze_common_init(unsigned char i2cbus)
+{
+	struct pmic *p;
+	int ret;
+	unsigned int reg;
+
+	ret = power_pfuze100_init(i2cbus);
+	if (ret)
+		return NULL;
+
+	p = pmic_get("PFUZE100");
+	ret = pmic_probe(p);
+	if (ret)
+		return NULL;
+
+	pmic_reg_read(p, PFUZE100_DEVICEID, &reg);
+	printf("PMIC:  PFUZE100 ID=0x%02x\n", reg);
+
+	/* Set SW1AB stanby volage to 0.975V */
+	pmic_reg_read(p, PFUZE100_SW1ABSTBY, &reg);
+	reg &= ~SW1x_STBY_MASK;
+	reg |= SW1x_0_975V;
+	pmic_reg_write(p, PFUZE100_SW1ABSTBY, reg);
+
+	/* Set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
+	pmic_reg_read(p, PFUZE100_SW1ABCONF, &reg);
+	reg &= ~SW1xCONF_DVSSPEED_MASK;
+	reg |= SW1xCONF_DVSSPEED_4US;
+	pmic_reg_write(p, PFUZE100_SW1ABCONF, reg);
+
+	/* Set SW1C standby voltage to 0.975V */
+	pmic_reg_read(p, PFUZE100_SW1CSTBY, &reg);
+	reg &= ~SW1x_STBY_MASK;
+	reg |= SW1x_0_975V;
+	pmic_reg_write(p, PFUZE100_SW1CSTBY, reg);
+
+	/* Set SW1C/VDDSOC step ramp up time from 16us to 4us/25mV */
+	pmic_reg_read(p, PFUZE100_SW1CCONF, &reg);
+	reg &= ~SW1xCONF_DVSSPEED_MASK;
+	reg |= SW1xCONF_DVSSPEED_4US;
+	pmic_reg_write(p, PFUZE100_SW1CCONF, reg);
+
+	return p;
+}
+#else
+int pfuze_mode_init(struct udevice *dev, u32 mode)
+{
+	unsigned char offset, i, switch_num;
+	u32 id;
+	int ret;
+
+	id = pmic_reg_read(dev, PFUZE100_DEVICEID);
+	id = id & 0xf;
+
+	if (id == 0) {
+		switch_num = 6;
+		offset = PFUZE100_SW1CMODE;
+	} else if (id == 1) {
+		switch_num = 4;
+		offset = PFUZE100_SW2MODE;
+	} else {
+		printf("Not supported, id=%d\n", id);
+		return -EINVAL;
+	}
+
+	ret = pmic_reg_write(dev, PFUZE100_SW1ABMODE, mode);
+	if (ret < 0) {
+		printf("Set SW1AB mode error!\n");
+		return ret;
+	}
+
+	for (i = 0; i < switch_num - 1; i++) {
+		ret = pmic_reg_write(dev, offset + i * SWITCH_SIZE, mode);
+		if (ret < 0) {
+			printf("Set switch 0x%x mode error!\n",
+			       offset + i * SWITCH_SIZE);
+			return ret;
+		}
+	}
+
+	return ret;
+}
+
+struct udevice *pfuze_common_init(void)
+{
+	struct udevice *dev;
+	int ret;
+	unsigned int reg, dev_id, rev_id;
+
+	ret = pmic_get("pfuze100@8", &dev);
+	if (ret == -ENODEV)
+		return NULL;
+
+	dev_id = pmic_reg_read(dev, PFUZE100_DEVICEID);
+	rev_id = pmic_reg_read(dev, PFUZE100_REVID);
+	printf("PMIC: PFUZE100! DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
+
+	/* Set SW1AB stanby volage to 0.975V */
+	reg = pmic_reg_read(dev, PFUZE100_SW1ABSTBY);
+	reg &= ~SW1x_STBY_MASK;
+	reg |= SW1x_0_975V;
+	pmic_reg_write(dev, PFUZE100_SW1ABSTBY, reg);
+
+	/* Set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
+	reg = pmic_reg_read(dev, PFUZE100_SW1ABCONF);
+	reg &= ~SW1xCONF_DVSSPEED_MASK;
+	reg |= SW1xCONF_DVSSPEED_4US;
+	pmic_reg_write(dev, PFUZE100_SW1ABCONF, reg);
+
+	/* Set SW1C standby voltage to 0.975V */
+	reg = pmic_reg_read(dev, PFUZE100_SW1CSTBY);
+	reg &= ~SW1x_STBY_MASK;
+	reg |= SW1x_0_975V;
+	pmic_reg_write(dev, PFUZE100_SW1CSTBY, reg);
+
+	/* Set SW1C/VDDSOC step ramp up time from 16us to 4us/25mV */
+	reg = pmic_reg_read(dev, PFUZE100_SW1CCONF);
+	reg &= ~SW1xCONF_DVSSPEED_MASK;
+	reg |= SW1xCONF_DVSSPEED_4US;
+	pmic_reg_write(dev, PFUZE100_SW1CCONF, reg);
+
+	return dev;
+}
+#endif