[PATCH] dt-bindings: mfd: add Broadcom's MISC block

[Rob Herring]

On Thu, 19 Aug 2021 17:25:52 +0200, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal at milecki.pl>
> 
> Broadcom's MISC is an MFD hardware block used on some of their SoCs like
> bcm63xx and bcm4908. At this point only PCIe reset is fully understood
> and documented. More functions may be added later.
> 
> Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
> ---
> Broadcom's BCM4908 struct with MISC block registers:
> 
> typedef struct Misc {
>    uint32 miscStrapBus; /* 0x00 */
>    uint32 miscStrapOverride;     /* 0x04 */
>    uint32 miscSoftwareDebug[6];  /* 0x08 */
>    uint32 miscWDResetCtrl;       /* 0x20 */
>    uint32 miscSoftwareDebugNW[2];/* 0x24 */
>    uint32 miscSoftResetB;        /* 0x2c */
>    uint32 miscQAMPllStatus;      /* 0x30 */
>    uint32 miscRsvd1;             /* 0x34 */
>    uint32 miscSpiMasterCtrl;     /* 0x38 */
>    uint32 miscAltBootVector;     /* 0x3c */
>    uint32 miscPeriphCtrl;        /* 0x40 */
>    uint32 miscPCIECtrl;          /* 0x44 */
>    uint32 miscAdsl_clock_sample; /* 0x48 */
>    uint32 miscRngCtrl;           /* 0x4c */
>    uint32 miscMbox_data[4];      /* 0x50 */
>    uint32 miscMbox_ctrl;         /* 0x60 */
>    uint32 miscxMIIPadCtrl[4];    /* 0x64 */
>    uint32 miscxMIIPullCtrl[4];    /* 0x74 */
>    uint32 miscWDResetEn;          /* 0x84 */
>    uint32 miscBootOverlayEn;      /* 0x88 */
>    uint32 miscSGMIIFiberDetect;   /* 0x8c */
>    uint32 miscUniMacCtrl;         /* 0x90 */
>    uint32 miscMaskUBUSErr;        /* 0x94 */
>    uint32 miscTOSsync;            /* 0x98 */
>    uint32 miscPM0_1_status;       /* 0x9c */
>    uint32 miscPM2_3_status;       /* 0xa0 */
>    uint32 miscSGB_status;         /* 0xa4 */
>    uint32 miscPM0_1_config;       /* 0xa8 */
>    uint32 miscPM2_3_config;       /* 0xac */
>    uint32 miscSGB_config;         /* 0xb0 */
>    uint32 miscPM0_1_tmon_config;  /* 0xb4 */
>    uint32 miscPM2_3_tmon_config;  /* 0xb8 */
>    uint32 miscSGB_tmon_config;    /* 0xbc */
>    uint32 miscMDIOmasterSelect;   /* 0xc0 */
>    uint32 miscUSIMCtrl;           /* 0xc4 */
>    uint32 miscUSIMPadCtrl;        /* 0xc8 */
>    uint32 miscPerSpareReg[3];     /* 0xcc - 0xd4 */
>    uint32 miscDgSensePadCtrl;     /* 0xd8 */
>    uint32 miscPeriphMiscCtrl;     /* 0xdc */
>    uint32 miscPeriphMiscStat;     /* 0xe0 */
> } Misc;
> ---
>  .../devicetree/bindings/mfd/brcm,misc.yaml    | 60 +++++++++++++++++++
>  1 file changed, 60 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/brcm,misc.yaml
> 

Reviewed-by: Rob Herring <robh at kernel.org>