From df1b721f60027705ff0fb804c1da472ba31f978b Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Tue, 26 Nov 2019 09:35:32 +0100 Subject: [PATCH] ARM: mx6: pmu: Expose PMU LDO configuration interface Make the PMU LDO configuration interface available to board code, so that board code can reconfigure the internal LDOs of the SoC. Signed-off-by: Marek Vasut Cc: Eric Nelson Cc: Fabio Estevam Cc: Stefano Babic Reviewed-by: Eric Nelson --- arch/arm/include/asm/arch-mx6/sys_proto.h | 8 ++++++++ arch/arm/mach-imx/mx6/soc.c | 8 +------- 2 files changed, 9 insertions(+), 7 deletions(-) diff --git a/arch/arm/include/asm/arch-mx6/sys_proto.h b/arch/arm/include/asm/arch-mx6/sys_proto.h index 4bf7dff8b4..1e5fa1a75e 100644 --- a/arch/arm/include/asm/arch-mx6/sys_proto.h +++ b/arch/arm/include/asm/arch-mx6/sys_proto.h @@ -20,6 +20,14 @@ int imx6_pcie_toggle_power(void); int imx6_pcie_toggle_reset(void); +enum ldo_reg { + LDO_ARM, + LDO_SOC, + LDO_PU, +}; + +int set_ldo_voltage(enum ldo_reg ldo, u32 mv); + /** * iomuxc_set_rgmii_io_voltage - set voltage level of RGMII/USB pins * diff --git a/arch/arm/mach-imx/mx6/soc.c b/arch/arm/mach-imx/mx6/soc.c index 4d62197b15..b8aaf3ef01 100644 --- a/arch/arm/mach-imx/mx6/soc.c +++ b/arch/arm/mach-imx/mx6/soc.c @@ -24,12 +24,6 @@ #include #include -enum ldo_reg { - LDO_ARM, - LDO_SOC, - LDO_PU, -}; - struct scu_regs { u32 ctrl; u32 config; @@ -255,7 +249,7 @@ static void clear_ldo_ramp(void) * Possible values are from 0.725V to 1.450V in steps of * 0.025V (25mV). */ -static int set_ldo_voltage(enum ldo_reg ldo, u32 mv) +int set_ldo_voltage(enum ldo_reg ldo, u32 mv) { struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR; u32 val, step, old, reg = readl(&anatop->reg_core); -- 2.39.5