diff --git a/arch/arm/cpu/armv7/omap-common/clocks-common.c b/arch/arm/cpu/armv7/omap-common/clocks-common.c index 90d31567e167e45685a31b949636ee79b6f75d7f..c02d73cd8ac139f930ed43d4e69571b8dba496f8 100644 --- a/arch/arm/cpu/armv7/omap-common/clocks-common.c +++ b/arch/arm/cpu/armv7/omap-common/clocks-common.c @@ -360,9 +360,22 @@ static void setup_non_essential_dplls(void) } #endif -void do_scale_tps62361(u32 reg, u32 volt_mv) +void do_scale_tps62361(int gpio, u32 reg, u32 volt_mv) { u32 step; + int ret = 0; + + /* See if we can first get the GPIO if needed */ + if (gpio >= 0) + ret = gpio_request(gpio, "TPS62361_VSEL0_GPIO"); + if (ret < 0) { + printf("%s: gpio %d request failed %d\n", __func__, gpio, ret); + gpio = -1; + } + + /* Pull the GPIO low to select SET0 register, while we program SET1 */ + if (gpio >= 0) + gpio_direction_output(gpio, 0); step = volt_mv - TPS62361_BASE_VOLT_MV; step /= 10; @@ -370,6 +383,10 @@ void do_scale_tps62361(u32 reg, u32 volt_mv) debug("do_scale_tps62361: volt - %d step - 0x%x\n", volt_mv, step); if (omap_vc_bypass_send_value(TPS62361_I2C_SLAVE_ADDR, reg, step)) puts("Scaling voltage failed for vdd_mpu from TPS\n"); + + /* Pull the GPIO high to select SET1 register */ + if (gpio >= 0) + gpio_direction_output(gpio, 1); } void do_scale_vcore(u32 vcore_reg, u32 volt_mv) diff --git a/arch/arm/cpu/armv7/omap4/clocks.c b/arch/arm/cpu/armv7/omap4/clocks.c index 976cfd55b8e9ab5aaa34c08831c20639a9a8d388..14313129a32729ba3373666d67b4ae27a7637cc3 100644 --- a/arch/arm/cpu/armv7/omap4/clocks.c +++ b/arch/arm/cpu/armv7/omap4/clocks.c @@ -281,7 +281,8 @@ void scale_vcores(void) /* TPS - supplies vdd_mpu on 4460 */ if (omap_rev >= OMAP4460_ES1_0) { volt = 1203; - do_scale_tps62361(TPS62361_REG_ADDR_SET1, volt); + do_scale_tps62361(TPS62361_VSEL0_GPIO, + TPS62361_REG_ADDR_SET1, volt); } /* diff --git a/arch/arm/cpu/armv7/omap5/clocks.c b/arch/arm/cpu/armv7/omap5/clocks.c index 0a614f0970d7ace0bf01d9776314a4007ee08749..07a755658913697f488b2a08bf82deb7690d0ab8 100644 --- a/arch/arm/cpu/armv7/omap5/clocks.c +++ b/arch/arm/cpu/armv7/omap5/clocks.c @@ -247,7 +247,7 @@ void scale_vcores(void) /* Enable 1.22V from TPS for vdd_mpu */ volt = 1220; - do_scale_tps62361(TPS62361_REG_ADDR_SET1, volt); + do_scale_tps62361(-1, TPS62361_REG_ADDR_SET1, volt); /* VCORE 1 - for vdd_core */ volt = 1000; diff --git a/arch/arm/include/asm/arch-omap4/clocks.h b/arch/arm/include/asm/arch-omap4/clocks.h index 4e93950cbc55b40b7145e12f460f833da5878662..62a339f184d5f1171881fa7beed5e1780bac7625 100644 --- a/arch/arm/include/asm/arch-omap4/clocks.h +++ b/arch/arm/include/asm/arch-omap4/clocks.h @@ -740,7 +740,7 @@ extern struct omap4_prcm_regs *const prcm; extern const u32 sys_clk_array[8]; void scale_vcores(void); -void do_scale_tps62361(u32 reg, u32 volt_mv); +void do_scale_tps62361(int gpio, u32 reg, u32 volt_mv); u32 omap_ddr_clk(void); void do_scale_vcore(u32 vcore_reg, u32 volt_mv); void setup_post_dividers(u32 *const base, const struct dpll_params *params); diff --git a/arch/arm/include/asm/arch-omap5/clocks.h b/arch/arm/include/asm/arch-omap5/clocks.h index 28b9ff7826f8158312104ebee1bce5f45620ec63..55145bbee2ebf486a4d3a7c2d8dd2608053a6bae 100644 --- a/arch/arm/include/asm/arch-omap5/clocks.h +++ b/arch/arm/include/asm/arch-omap5/clocks.h @@ -686,7 +686,7 @@ extern struct omap5_prcm_regs *const prcm; extern const u32 sys_clk_array[8]; void scale_vcores(void); -void do_scale_tps62361(u32 reg, u32 volt_mv); +void do_scale_tps62361(int gpio, u32 reg, u32 volt_mv); u32 omap_ddr_clk(void); void do_scale_vcore(u32 vcore_reg, u32 volt_mv); void setup_post_dividers(u32 *const base, const struct dpll_params *params); diff --git a/board/ti/panda/panda_mux_data.h b/board/ti/panda/panda_mux_data.h index 5b66a14242cde701e1694664b9f2ac7b383ff293..3efc22a0284d1626a7a04997a7388d5eb37f0cba 100644 --- a/board/ti/panda/panda_mux_data.h +++ b/board/ti/panda/panda_mux_data.h @@ -76,7 +76,7 @@ const struct pad_conf_entry wkup_padconf_array_essential[] = { const struct pad_conf_entry wkup_padconf_array_essential_4460[] = { -{PAD1_FREF_CLK4_REQ, (PTU | M7)}, /* gpio_wk7 for TPS: safe mode + pull up */ +{PAD1_FREF_CLK4_REQ, (M3)}, /* gpio_wk7 for TPS: Mode 3 */ }; diff --git a/board/ti/sdp4430/sdp4430_mux_data.h b/board/ti/sdp4430/sdp4430_mux_data.h index 0a20968978923d10a0ea76eaa809365460eae1e6..6140b999efd555aa7b657a27b86210c80de8819a 100644 --- a/board/ti/sdp4430/sdp4430_mux_data.h +++ b/board/ti/sdp4430/sdp4430_mux_data.h @@ -67,7 +67,7 @@ const struct pad_conf_entry wkup_padconf_array_essential[] = { const struct pad_conf_entry wkup_padconf_array_essential_4460[] = { -{PAD1_FREF_CLK4_REQ, (PTU | M7)}, /* gpio_wk7 for TPS: safe mode + pull up */ +{PAD1_FREF_CLK4_REQ, (M3)}, /* gpio_wk7 for TPS: Mode 3 */ };