Re: [PATCH] ARM: dts: BCM5301X: Fix pin controller node

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On 8/18/2020 9:23 PM, Florian Fainelli wrote:
> The pin controller resources start at 0xc0 from the CRU base which is at
> 0x100 from th DMU base, for a final address of 0x1800_c1c0, whereas we
> are currently off by 0x100. The resource size of the CRU is also
> incorrect and should end at 0x248 bytes from 0x100 which is the start
> address. Finally, the compatibility strings defined for the
> pin-controller node should reflect the SoC being used.
> 
> Fixes: 9994241ac97c ("ARM: dts: BCM5301X: Describe Northstar pins mux controller")
> Reported-by: Christian Lamparter <chunkeey@xxxxxxxxx>
> Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
> ---
> Christian, can you test this as a preliminary patch for your Cisco
> Meraki MR32 series? Thanks!
> 
>  arch/arm/boot/dts/bcm4708.dtsi  | 4 ++++
>  arch/arm/boot/dts/bcm4709.dtsi  | 4 ++++
>  arch/arm/boot/dts/bcm5301x.dtsi | 8 ++++----
>  3 files changed, 12 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/bcm4708.dtsi b/arch/arm/boot/dts/bcm4708.dtsi
> index 1a19e97a987d..5064fe51e402 100644
> --- a/arch/arm/boot/dts/bcm4708.dtsi
> +++ b/arch/arm/boot/dts/bcm4708.dtsi
> @@ -43,6 +43,10 @@ cpu@1 {
>  
>  };
>  
> +&pinctrl {
> +	compatible = "brcm,bcm4708-pinmux";
> +};
> +
>  &uart0 {
>  	status = "okay";
>  };
> diff --git a/arch/arm/boot/dts/bcm4709.dtsi b/arch/arm/boot/dts/bcm4709.dtsi
> index e1bb8661955f..7417c275ea9d 100644
> --- a/arch/arm/boot/dts/bcm4709.dtsi
> +++ b/arch/arm/boot/dts/bcm4709.dtsi
> @@ -5,6 +5,10 @@
>  
>  #include "bcm4708.dtsi"
>  
> +&pinctrl {
> +	compatible = "brcm,bcm4709-pinmux";
> +};
> +
>  &uart0 {
>  	clock-frequency = <125000000>;
>  	status = "okay";
> diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
> index 2d9b4dd05830..bf49943f504a 100644
> --- a/arch/arm/boot/dts/bcm5301x.dtsi
> +++ b/arch/arm/boot/dts/bcm5301x.dtsi
> @@ -402,14 +402,14 @@ dmu@1800c000 {
>  
>  		cru@100 {
>  			compatible = "simple-bus";
> -			reg = <0x100 0x1a4>;
> +			reg = <0x100 0x248>;
>  			ranges;
>  			#address-cells = <1>;
>  			#size-cells = <1>;
>  
> -			pin-controller@1c0 {
> -				compatible = "brcm,bcm4708-pinmux";
> -				reg = <0x1c0 0x24>;
> +			pinctrl: pin-controller@c0 {
> +				compatible = "brcm,bcm53012-pinmux";
> +				reg = <0xc0 0x24>;
>  				reg-names = "cru_gpio_control";
>  
>  				spi-pins {
> 

Reviewed-by: Ray Jui <ray.jui@xxxxxxxxxxxx>



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