diff options
Diffstat (limited to 'Documentation/devicetree/bindings/timer/renesas,cmt.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/timer/renesas,cmt.txt | 73 |
1 files changed, 32 insertions, 41 deletions
diff --git a/Documentation/devicetree/bindings/timer/renesas,cmt.txt b/Documentation/devicetree/bindings/timer/renesas,cmt.txt index 1a05c1b243c1..6ca6b9e582a0 100644 --- a/Documentation/devicetree/bindings/timer/renesas,cmt.txt +++ b/Documentation/devicetree/bindings/timer/renesas,cmt.txt @@ -12,46 +12,29 @@ datasheets. Required Properties: - 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) - 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) - 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) + (CMT1 on sh73a0 and r8a7740) 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. + - "renesas,cmt0-r8a73a4" for the 32-bit CMT0 device included in r8a73a4. + - "renesas,cmt1-r8a73a4" for the 48-bit CMT1 device included in r8a73a4. + - "renesas,cmt0-r8a7790" for the 32-bit CMT0 device included in r8a7790. + - "renesas,cmt1-r8a7790" for the 48-bit CMT1 device included in r8a7790. + - "renesas,cmt0-r8a7791" for the 32-bit CMT0 device included in r8a7791. + - "renesas,cmt1-r8a7791" for the 48-bit CMT1 device included in r8a7791. + - "renesas,cmt0-r8a7793" for the 32-bit CMT0 device included in r8a7793. + - "renesas,cmt1-r8a7793" for the 48-bit CMT1 device included in r8a7793. + - "renesas,cmt0-r8a7794" for the 32-bit CMT0 device included in r8a7794. + - "renesas,cmt1-r8a7794" for the 48-bit CMT1 device included in r8a7794. + + - "renesas,rcar-gen2-cmt0" for 32-bit CMT0 devices included in R-Car Gen2. + - "renesas,rcar-gen2-cmt1" for 48-bit CMT1 devices included in R-Car Gen2. + These are fallbacks for r8a73a4 and all the R-Car Gen2 + entries listed above. - reg: base address and length of the registers block for the timer module. - interrupts: interrupt-specifier for the timer, one per channel. @@ -59,21 +42,29 @@ Required Properties: in clock-names. - clock-names: must contain "fck" for the functional clock. - - renesas,channels-mask: bitmask of the available channels. - -Example: R8A7790 (R-Car H2) CMT0 node - - CMT0 on R8A7790 implements hardware channels 5 and 6 only and names - them channels 0 and 1 in the documentation. +Example: R8A7790 (R-Car H2) CMT0 and CMT1 nodes cmt0: timer@ffca0000 { - compatible = "renesas,cmt-48-r8a7790", "renesas,cmt-48-gen2"; + compatible = "renesas,cmt0-r8a7790", "renesas,rcar-gen2-cmt0"; reg = <0 0xffca0000 0 0x1004>; interrupts = <0 142 IRQ_TYPE_LEVEL_HIGH>, <0 142 IRQ_TYPE_LEVEL_HIGH>; clocks = <&mstp1_clks R8A7790_CLK_CMT0>; clock-names = "fck"; + }; - renesas,channels-mask = <0x60>; + cmt1: timer@e6130000 { + compatible = "renesas,cmt1-r8a7790", "renesas,rcar-gen2-cmt1"; + reg = <0 0xe6130000 0 0x1004>; + interrupts = <0 120 IRQ_TYPE_LEVEL_HIGH>, + <0 121 IRQ_TYPE_LEVEL_HIGH>, + <0 122 IRQ_TYPE_LEVEL_HIGH>, + <0 123 IRQ_TYPE_LEVEL_HIGH>, + <0 124 IRQ_TYPE_LEVEL_HIGH>, + <0 125 IRQ_TYPE_LEVEL_HIGH>, + <0 126 IRQ_TYPE_LEVEL_HIGH>, + <0 127 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp3_clks R8A7790_CLK_CMT1>; + clock-names = "fck"; }; |