diff options
Diffstat (limited to 'Documentation/devicetree/bindings/timer/renesas,cmt.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/timer/renesas,cmt.txt | 44 |
1 files changed, 38 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/timer/renesas,cmt.txt b/Documentation/devicetree/bindings/timer/renesas,cmt.txt index a17418b0ece3..1a05c1b243c1 100644 --- a/Documentation/devicetree/bindings/timer/renesas,cmt.txt +++ b/Documentation/devicetree/bindings/timer/renesas,cmt.txt @@ -11,15 +11,47 @@ datasheets. Required Properties: - - compatible: must contain one of the following. - - "renesas,cmt-32" for the 32-bit CMT + - compatible: must contain one or more of the following: + - "renesas,cmt-32-r8a7740" for the r8a7740 32-bit CMT + (CMT0) + - "renesas,cmt-32-sh7372" for the sh7372 32-bit CMT + (CMT0) + - "renesas,cmt-32-sh73a0" for the sh73a0 32-bit CMT + (CMT0) + - "renesas,cmt-32" for all 32-bit CMT without fast clock support (CMT0 on sh7372, sh73a0 and r8a7740) - - "renesas,cmt-32-fast" for the 32-bit CMT with fast clock support + This is a fallback for the above renesas,cmt-32-* entries. + + - "renesas,cmt-32-fast-r8a7740" for the r8a7740 32-bit CMT with fast + clock support (CMT[234]) + - "renesas,cmt-32-fast-sh7372" for the sh7372 32-bit CMT with fast + clock support (CMT[234]) + - "renesas,cmt-32-fast-sh73a0" for the sh73A0 32-bit CMT with fast + clock support (CMT[234]) + - "renesas,cmt-32-fast" for all 32-bit CMT with fast clock support (CMT[234] on sh7372, sh73a0 and r8a7740) - - "renesas,cmt-48" for the 48-bit CMT + This is a fallback for the above renesas,cmt-32-fast-* entries. + + - "renesas,cmt-48-sh7372" for the sh7372 48-bit CMT + (CMT1) + - "renesas,cmt-48-sh73a0" for the sh73A0 48-bit CMT + (CMT1) + - "renesas,cmt-48-r8a7740" for the r8a7740 48-bit CMT + (CMT1) + - "renesas,cmt-48" for all non-second generation 48-bit CMT (CMT1 on sh7372, sh73a0 and r8a7740) - - "renesas,cmt-48-gen2" for the second generation 48-bit CMT + This is a fallback for the above renesas,cmt-48-* entries. + + - "renesas,cmt-48-r8a73a4" for the r8a73a4 48-bit CMT + (CMT[01]) + - "renesas,cmt-48-r8a7790" for the r8a7790 48-bit CMT + (CMT[01]) + - "renesas,cmt-48-r8a7791" for the r8a7791 48-bit CMT + (CMT[01]) + - "renesas,cmt-48-gen2" for all second generation 48-bit CMT (CMT[01] on r8a73a4, r8a7790 and r8a7791) + This is a fallback for the renesas,cmt-48-r8a73a4, + renesas,cmt-48-r8a7790 and renesas,cmt-48-r8a7791 entries. - reg: base address and length of the registers block for the timer module. - interrupts: interrupt-specifier for the timer, one per channel. @@ -36,7 +68,7 @@ Example: R8A7790 (R-Car H2) CMT0 node them channels 0 and 1 in the documentation. cmt0: timer@ffca0000 { - compatible = "renesas,cmt-48-gen2"; + compatible = "renesas,cmt-48-r8a7790", "renesas,cmt-48-gen2"; reg = <0 0xffca0000 0 0x1004>; interrupts = <0 142 IRQ_TYPE_LEVEL_HIGH>, <0 142 IRQ_TYPE_LEVEL_HIGH>; |