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authorTom Rini <trini@ti.com>2014-11-24 12:02:12 -0500
committerTom Rini <trini@ti.com>2014-11-24 12:02:12 -0500
commitdee332ffb735f65ab922118791a583c17bb0b795 (patch)
treed07bc0821792831aa4baeb27868252c2d32c7738 /board/freescale/common
parent1739564e753bc3a8097f8937a3cbe738bdaaed5d (diff)
parente7eb277dced570f177d75d56f40219d9dc599ed1 (diff)
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Merge branch 'master' of git://www.denx.de/git/u-boot-imx
Diffstat (limited to 'board/freescale/common')
-rw-r--r--board/freescale/common/Makefile1
-rw-r--r--board/freescale/common/pfuze.c54
-rw-r--r--board/freescale/common/pfuze.h12
3 files changed, 67 insertions, 0 deletions
diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile
index 32b5a3b..25a1bc1 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 0000000..2cd1794
--- /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, &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, PUZE_100_SW1ABCONF, &reg);
+ 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);
+ 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;
+}
diff --git a/board/freescale/common/pfuze.h b/board/freescale/common/pfuze.h
new file mode 100644
index 0000000..7a4126c
--- /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