mfd: Function for obtaining the db8500 prcmu firmware version
This patch exports a function that can be used to tell which
version of the DB8500 PRCMU firmware is available, and revamps the
firmware detection code a bit.
Reviewed-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com>
Signed-off-by: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/include/linux/mfd/db8500-prcmu.h b/include/linux/mfd/db8500-prcmu.h
index 0dc9017..1895917 100644
--- a/include/linux/mfd/db8500-prcmu.h
+++ b/include/linux/mfd/db8500-prcmu.h
@@ -493,6 +493,18 @@
u8 sva_policy;
};
+#define PRCMU_FW_PROJECT_U8500 2
+#define PRCMU_FW_PROJECT_U9500 4
+#define PRCMU_FW_PROJECT_U8500_C2 7
+#define PRCMU_FW_PROJECT_U9500_C2 11
+
+struct prcmu_fw_version {
+ u8 project;
+ u8 api_version;
+ u8 func_version;
+ u8 errata;
+};
+
#ifdef CONFIG_MFD_DB8500_PRCMU
void db8500_prcmu_early_init(void);
@@ -502,6 +514,7 @@
bool prcmu_has_arm_maxopp(void);
int prcmu_set_ape_opp(u8 opp);
int prcmu_get_ape_opp(void);
+struct prcmu_fw_version *prcmu_get_fw_version(void);
int prcmu_request_ape_opp_100_voltage(bool enable);
int prcmu_release_usb_wakeup_state(void);
int prcmu_set_ddr_opp(u8 opp);
@@ -573,6 +586,11 @@
return false;
}
+static inline struct prcmu_fw_version *prcmu_get_fw_version(void)
+{
+ return NULL;
+}
+
static inline int prcmu_set_ape_opp(u8 opp)
{
return 0;