Hi Tony, On 7/23/19 6:28 AM, Tony Lindgren wrote: > The ahclkr clkctrl clock bit 28 only exists for mcasp 1 and 2 on dra7. > Otherwise we get the following warning on beagle-x15: > > ti-sysc 48468000.target-module: could not add child clock ahclkr: -19 > > Fixes: 5241ccbf2819 ("ARM: dts: Add missing ranges for dra7 mcasp l3 ports") > Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx> > --- > arch/arm/boot/dts/dra7-l4.dtsi | 25 ++++++++++--------------- > 1 file changed, 10 insertions(+), 15 deletions(-) > > diff --git a/arch/arm/boot/dts/dra7-l4.dtsi b/arch/arm/boot/dts/dra7-l4.dtsi > --- a/arch/arm/boot/dts/dra7-l4.dtsi > +++ b/arch/arm/boot/dts/dra7-l4.dtsi > @@ -2818,9 +2818,8 @@ > <SYSC_IDLE_SMART>; > /* Domains (P, C): l4per_pwrdm, l4per2_clkdm */ > clocks = <&l4per2_clkctrl DRA7_L4PER2_MCASP3_CLKCTRL 0>, > - <&l4per2_clkctrl DRA7_L4PER2_MCASP3_CLKCTRL 24>, > - <&l4per2_clkctrl DRA7_L4PER2_MCASP3_CLKCTRL 28>; > - clock-names = "fck", "ahclkx", "ahclkr"; > + <&l4per2_clkctrl DRA7_L4PER2_MCASP3_CLKCTRL 24>; > + clock-names = "fck", "ahclkx"; > #address-cells = <1>; > #size-cells = <1>; > ranges = <0x0 0x68000 0x2000>, > @@ -2854,9 +2853,8 @@ > <SYSC_IDLE_SMART>; > /* Domains (P, C): l4per_pwrdm, l4per2_clkdm */ > clocks = <&l4per2_clkctrl DRA7_L4PER2_MCASP4_CLKCTRL 0>, > - <&l4per2_clkctrl DRA7_L4PER2_MCASP4_CLKCTRL 24>, > - <&l4per2_clkctrl DRA7_L4PER2_MCASP4_CLKCTRL 28>; > - clock-names = "fck", "ahclkx", "ahclkr"; > + <&l4per2_clkctrl DRA7_L4PER2_MCASP4_CLKCTRL 24>; > + clock-names = "fck", "ahclkx"; > #address-cells = <1>; > #size-cells = <1>; > ranges = <0x0 0x6c000 0x2000>, > @@ -2890,9 +2888,8 @@ > <SYSC_IDLE_SMART>; > /* Domains (P, C): l4per_pwrdm, l4per2_clkdm */ > clocks = <&l4per2_clkctrl DRA7_L4PER2_MCASP5_CLKCTRL 0>, > - <&l4per2_clkctrl DRA7_L4PER2_MCASP5_CLKCTRL 24>, > - <&l4per2_clkctrl DRA7_L4PER2_MCASP5_CLKCTRL 28>; > - clock-names = "fck", "ahclkx", "ahclkr"; > + <&l4per2_clkctrl DRA7_L4PER2_MCASP5_CLKCTRL 24>; > + clock-names = "fck", "ahclkx"; > #address-cells = <1>; > #size-cells = <1>; > ranges = <0x0 0x70000 0x2000>, > @@ -2926,9 +2923,8 @@ > <SYSC_IDLE_SMART>; > /* Domains (P, C): l4per_pwrdm, l4per2_clkdm */ > clocks = <&l4per2_clkctrl DRA7_L4PER2_MCASP6_CLKCTRL 0>, > - <&l4per2_clkctrl DRA7_L4PER2_MCASP6_CLKCTRL 24>, > - <&l4per2_clkctrl DRA7_L4PER2_MCASP6_CLKCTRL 28>; > - clock-names = "fck", "ahclkx", "ahclkr"; > + <&l4per2_clkctrl DRA7_L4PER2_MCASP6_CLKCTRL 24>; > + clock-names = "fck", "ahclkx"; > #address-cells = <1>; > #size-cells = <1>; > ranges = <0x0 0x74000 0x2000>, > @@ -2962,9 +2958,8 @@ > <SYSC_IDLE_SMART>; > /* Domains (P, C): l4per_pwrdm, l4per2_clkdm */ > clocks = <&l4per2_clkctrl DRA7_L4PER2_MCASP7_CLKCTRL 0>, > - <&l4per2_clkctrl DRA7_L4PER2_MCASP7_CLKCTRL 24>, > - <&l4per2_clkctrl DRA7_L4PER2_MCASP7_CLKCTRL 28>; > - clock-names = "fck", "ahclkx", "ahclkr"; > + <&l4per2_clkctrl DRA7_L4PER2_MCASP7_CLKCTRL 24>; > + clock-names = "fck", "ahclkx"; The equivalent change to MCASP8 is missing. regards Suman > #address-cells = <1>; > #size-cells = <1>; > ranges = <0x0 0x78000 0x2000>, >