From 5051ff5fb0ad44fae480f6af9f2c501f10dd065d Mon Sep 17 00:00:00 2001
From: "Ye.Li" <B37916@freescale.com>
Date: Thu, 6 Nov 2014 16:28:59 +0800
Subject: [PATCH] imx: mx6sabre common: Factorize the Pfuze init function
Since the Pfuze initializations are similar on various mx6 SABRE
boards. Factorize the initialization to a common function in file
board/freescale/common/pfuze.c. So that all SABRE boards BSP can
share the function.
Signed-off-by: Ye.Li <B37916@freescale.com>
---
board/freescale/common/Makefile | 1 +
board/freescale/common/pfuze.c | 54 +++++++++++++++++++++++++++++++++
board/freescale/common/pfuze.h | 12 ++++++++
3 files changed, 67 insertions(+)
create mode 100644 board/freescale/common/pfuze.c
create mode 100644 board/freescale/common/pfuze.h
diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile
index 32b5a3b70c..25a1bc1a0f 100644
--- a/board/freescale/common/Makefile
+++ b/board/freescale/common/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_P5040DS) += ics307_clk.o
obj-$(CONFIG_VSC_CROSSBAR) += vsc3316_3308.o
obj-$(CONFIG_IDT8T49N222A) += idt8t49n222a_serdes_clk.o
obj-$(CONFIG_ZM7300) += zm7300.o
+obj-$(CONFIG_POWER_PFUZE100) += pfuze.o
# deal with common files for P-series corenet based devices
obj-$(CONFIG_P2041RDB) += p_corenet/
diff --git a/board/freescale/common/pfuze.c b/board/freescale/common/pfuze.c
new file mode 100644
index 0000000000..2cd1794429
--- /dev/null
+++ b/board/freescale/common/pfuze.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <power/pmic.h>
+#include <power/pfuze100_pmic.h>
+
+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, ®);
+ printf("PMIC: PFUZE100 ID=0x%02x\n", reg);
+
+ /* Set SW1AB stanby volage to 0.975V */
+ pmic_reg_read(p, PFUZE100_SW1ABSTBY, ®);
+ 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, PUZE_100_SW1ABCONF, ®);
+ reg &= ~SW1xCONF_DVSSPEED_MASK;
+ reg |= SW1xCONF_DVSSPEED_4US;
+ pmic_reg_write(p, PUZE_100_SW1ABCONF, reg);
+
+ /* Set SW1C standby voltage to 0.975V */
+ pmic_reg_read(p, PFUZE100_SW1CSTBY, ®);
+ 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 &= ~SW1xCONF_DVSSPEED_MASK;
+ reg |= SW1xCONF_DVSSPEED_4US;
+ pmic_reg_write(p, PFUZE100_SW1CCONF, reg);
+
+ return p;
+}
diff --git a/board/freescale/common/pfuze.h b/board/freescale/common/pfuze.h
new file mode 100644
index 0000000000..7a4126cca0
--- /dev/null
+++ b/board/freescale/common/pfuze.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __PFUZE_BOARD_HELPER__
+#define __PFUZE_BOARD_HELPER__
+
+struct pmic *pfuze_common_init(unsigned char i2cbus);
+
+#endif
--
2.39.5