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-rw-r--r--include/linux/mfd/db8500-prcmu.h65
-rw-r--r--include/linux/mfd/dbx500-prcmu.h118
2 files changed, 147 insertions, 36 deletions
diff --git a/include/linux/mfd/db8500-prcmu.h b/include/linux/mfd/db8500-prcmu.h
index 7268ce92d54..41342dbad0d 100644
--- a/include/linux/mfd/db8500-prcmu.h
+++ b/include/linux/mfd/db8500-prcmu.h
@@ -11,6 +11,21 @@
#define __MFD_DB8500_PRCMU_H
#include <linux/interrupt.h>
+#include <linux/bitops.h>
+
+/*
+ * Registers
+ */
+#define DB8500_PRCM_GPIOCR 0x138
+#define DB8500_PRCM_GPIOCR_DBG_UARTMOD_CMD0 BIT(0)
+#define DB8500_PRCM_GPIOCR_DBG_STM_APE_CMD BIT(9)
+#define DB8500_PRCM_GPIOCR_DBG_STM_MOD_CMD1 BIT(11)
+#define DB8500_PRCM_GPIOCR_SPI2_SELECT BIT(23)
+
+#define DB8500_PRCM_DSI_SW_RESET 0x324
+#define DB8500_PRCM_DSI_SW_RESET_DSI0_SW_RESETN BIT(0)
+#define DB8500_PRCM_DSI_SW_RESET_DSI1_SW_RESETN BIT(1)
+#define DB8500_PRCM_DSI_SW_RESET_DSI2_SW_RESETN BIT(2)
/* This portion previously known as <mach/prcmu-fw-defs_v1.h> */
@@ -519,12 +534,6 @@ int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size);
void prcmu_ac_wake_req(void);
void prcmu_ac_sleep_req(void);
void prcmu_modem_reset(void);
-void prcmu_enable_spi2(void);
-void prcmu_disable_spi2(void);
-void prcmu_enable_stm_mod_uart(void);
-void prcmu_disable_stm_mod_uart(void);
-void prcmu_enable_stm_ape(void);
-void prcmu_disable_stm_ape(void);
int prcmu_config_a9wdog(u8 num, bool sleep_auto_off);
int prcmu_enable_a9wdog(u8 id);
@@ -552,6 +561,10 @@ int db8500_prcmu_get_ape_opp(void);
int db8500_prcmu_set_ddr_opp(u8 opp);
int db8500_prcmu_get_ddr_opp(void);
+u32 db8500_prcmu_read(unsigned int reg);
+void db8500_prcmu_write(unsigned int reg, u32 value);
+void db8500_prcmu_write_masked(unsigned int reg, u32 mask, u32 value);
+
#else /* !CONFIG_MFD_DB8500_PRCMU */
static inline void db8500_prcmu_early_init(void) {}
@@ -656,36 +669,6 @@ static inline void prcmu_ac_sleep_req(void) {}
static inline void prcmu_modem_reset(void) {}
-static inline int prcmu_enable_spi2(void)
-{
- return 0;
-}
-
-static inline int prcmu_disable_spi2(void)
-{
- return 0;
-}
-
-static inline int prcmu_enable_stm_mod_uart(void)
-{
- return 0;
-}
-
-static inline int prcmu_disable_stm_mod_uart(void)
-{
- return 0;
-}
-
-static inline int prcmu_enable_stm_ape(void)
-{
- return 0;
-}
-
-static inline int prcmu_disable_stm_ape(void)
-{
- return 0;
-}
-
static inline void db8500_prcmu_system_reset(u16 reset_code) {}
static inline int db8500_prcmu_set_power_state(u8 state, bool keep_ulp_clk,
@@ -775,6 +758,16 @@ static inline int db8500_prcmu_get_arm_opp(void)
return 0;
}
+static inline u32 db8500_prcmu_read(unsigned int reg)
+{
+ return 0;
+}
+
+static inline void db8500_prcmu_write(unsigned int reg, u32 value) {}
+
+static inline void db8500_prcmu_write_masked(unsigned int reg, u32 mask,
+ u32 value) {}
+
#endif /* !CONFIG_MFD_DB8500_PRCMU */
#endif /* __MFD_DB8500_PRCMU_H */
diff --git a/include/linux/mfd/dbx500-prcmu.h b/include/linux/mfd/dbx500-prcmu.h
index 43a62985b0a..693e7a4150a 100644
--- a/include/linux/mfd/dbx500-prcmu.h
+++ b/include/linux/mfd/dbx500-prcmu.h
@@ -464,6 +464,26 @@ static inline int prcmu_stop_temp_sense(void)
return db8500_prcmu_stop_temp_sense();
}
+static inline u32 prcmu_read(unsigned int reg)
+{
+ if (cpu_is_u8500())
+ return db8500_prcmu_read(reg);
+ else
+ return 0;
+}
+
+static inline void prcmu_write(unsigned int reg, u32 value)
+{
+ if (cpu_is_u8500())
+ db8500_prcmu_write(reg, value);
+}
+
+static inline void prcmu_write_masked(unsigned int reg, u32 mask, u32 value)
+{
+ if (cpu_is_u8500())
+ db8500_prcmu_write_masked(reg, mask, value);
+}
+
#else
static inline void __init prcmu_early_init(void) {}
@@ -613,6 +633,104 @@ static inline int prcmu_stop_temp_sense(void)
return 0;
}
+static inline u32 prcmu_read(unsigned int reg)
+{
+ return 0;
+}
+
+static inline void prcmu_write(unsigned int reg, u32 value) {}
+
+static inline void prcmu_write_masked(unsigned int reg, u32 mask, u32 value) {}
+
+#endif
+
+static inline void prcmu_set(unsigned int reg, u32 bits)
+{
+ prcmu_write_masked(reg, bits, bits);
+}
+
+static inline void prcmu_clear(unsigned int reg, u32 bits)
+{
+ prcmu_write_masked(reg, bits, 0);
+}
+
+#if defined(CONFIG_UX500_SOC_DB8500) || defined(CONFIG_UX500_SOC_DB5500)
+
+/**
+ * prcmu_enable_spi2 - Enables pin muxing for SPI2 on OtherAlternateC1.
+ */
+static inline void prcmu_enable_spi2(void)
+{
+ if (cpu_is_u8500())
+ prcmu_set(DB8500_PRCM_GPIOCR, DB8500_PRCM_GPIOCR_SPI2_SELECT);
+}
+
+/**
+ * prcmu_disable_spi2 - Disables pin muxing for SPI2 on OtherAlternateC1.
+ */
+static inline void prcmu_disable_spi2(void)
+{
+ if (cpu_is_u8500())
+ prcmu_clear(DB8500_PRCM_GPIOCR, DB8500_PRCM_GPIOCR_SPI2_SELECT);
+}
+
+/**
+ * prcmu_enable_stm_mod_uart - Enables pin muxing for STMMOD
+ * and UARTMOD on OtherAlternateC3.
+ */
+static inline void prcmu_enable_stm_mod_uart(void)
+{
+ if (cpu_is_u8500()) {
+ prcmu_set(DB8500_PRCM_GPIOCR,
+ (DB8500_PRCM_GPIOCR_DBG_STM_MOD_CMD1 |
+ DB8500_PRCM_GPIOCR_DBG_UARTMOD_CMD0));
+ }
+}
+
+/**
+ * prcmu_disable_stm_mod_uart - Disables pin muxing for STMMOD
+ * and UARTMOD on OtherAlternateC3.
+ */
+static inline void prcmu_disable_stm_mod_uart(void)
+{
+ if (cpu_is_u8500()) {
+ prcmu_clear(DB8500_PRCM_GPIOCR,
+ (DB8500_PRCM_GPIOCR_DBG_STM_MOD_CMD1 |
+ DB8500_PRCM_GPIOCR_DBG_UARTMOD_CMD0));
+ }
+}
+
+/**
+ * prcmu_enable_stm_ape - Enables pin muxing for STM APE on OtherAlternateC1.
+ */
+static inline void prcmu_enable_stm_ape(void)
+{
+ if (cpu_is_u8500()) {
+ prcmu_set(DB8500_PRCM_GPIOCR,
+ DB8500_PRCM_GPIOCR_DBG_STM_APE_CMD);
+ }
+}
+
+/**
+ * prcmu_disable_stm_ape - Disables pin muxing for STM APE on OtherAlternateC1.
+ */
+static inline void prcmu_disable_stm_ape(void)
+{
+ if (cpu_is_u8500()) {
+ prcmu_clear(DB8500_PRCM_GPIOCR,
+ DB8500_PRCM_GPIOCR_DBG_STM_APE_CMD);
+ }
+}
+
+#else
+
+static inline void prcmu_enable_spi2(void) {}
+static inline void prcmu_disable_spi2(void) {}
+static inline void prcmu_enable_stm_mod_uart(void) {}
+static inline void prcmu_disable_stm_mod_uart(void) {}
+static inline void prcmu_enable_stm_ape(void) {}
+static inline void prcmu_disable_stm_ape(void) {}
+
#endif
/* PRCMU QoS APE OPP class */