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Groups > linux.kernel > #1444893
| From | Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v0 03/10] arm: orion5x: Add clk support for mv88f5181 |
| Date | 2016-07-16 19:40 +0200 |
| Message-ID | <rVBJf-6GI-13@gated-at.bofh.it> (permalink) |
| References | <rVzo5-5n4-3@gated-at.bofh.it> <rVzo6-5n4-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hello.
On 7/16/2016 5:29 PM, Jamie Lentin wrote:
> Referring to values in the u-boot port, add support for the mv88f5181
>
> Signed-off-by: Jamie Lentin <jm@lentin.co.uk>
[...]
> diff --git a/drivers/clk/mvebu/orion.c b/drivers/clk/mvebu/orion.c
> index fd12956..a6e5bee 100644
> --- a/drivers/clk/mvebu/orion.c
> +++ b/drivers/clk/mvebu/orion.c
> @@ -21,6 +21,76 @@ static const struct coreclk_ratio orion_coreclk_ratios[] __initconst = {
> };
>
> /*
> + * Orion 5181
> + */
> +
> +#define SAR_MV88F5181_TCLK_FREQ 8
> +#define SAR_MV88F5181_TCLK_FREQ_MASK 0x3
> +
> +static u32 __init mv88f5181_get_tclk_freq(void __iomem *sar)
> +{
> + u32 opt = (readl(sar) >> SAR_MV88F5181_TCLK_FREQ) &
> + SAR_MV88F5181_TCLK_FREQ_MASK;
> + if (opt == 0)
> + return 133333333;
> + else if (opt == 1)
> + return 150000000;
> + else if (opt == 2)
> + return 166666667;
Do you know about the *switch* statement? :-)
> + else
> + return 0;
> +}
> +
> +#define SAR_MV88F5181_CPU_FREQ 4
> +#define SAR_MV88F5181_CPU_FREQ_MASK 0xf
> +
> +static u32 __init mv88f5181_get_cpu_freq(void __iomem *sar)
> +{
> + u32 opt = (readl(sar) >> SAR_MV88F5181_CPU_FREQ) &
> + SAR_MV88F5181_CPU_FREQ_MASK;
> + if (opt == 0)
> + return 333333333;
> + else if (opt == 1 || opt == 2)
> + return 400000000;
> + else if (opt == 3)
> + return 500000000;
Asks to be a *switch* as well...
> + else
> + return 0;
> +}
> +
> +static void __init mv88f5181_get_clk_ratio(void __iomem *sar, int id,
> + int *mult, int *div)
> +{
> + u32 opt = (readl(sar) >> SAR_MV88F5181_CPU_FREQ) &
> + SAR_MV88F5181_CPU_FREQ_MASK;
> + if (opt == 0 || opt == 1) {
> + *mult = 1;
> + *div = 2;
> + } else if (opt == 2 || opt == 3) {
> + *mult = 1;
> + *div = 3;
> + } else {
> + *mult = 0;
> + *div = 1;
> + }
This one too...
[...]
MBR, Sergei
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[PATCH v0 00/10] Convert Netgear WNR854T to devicetree Jamie Lentin <jm@lentin.co.uk> - 2016-07-16 17:10 +0200
[PATCH v0 09/10] net: phy: Re-attempt custom DT configuration after configuration Jamie Lentin <jm@lentin.co.uk> - 2016-07-16 17:10 +0200
Re: [PATCH v0 09/10] net: phy: Re-attempt custom DT configuration after configuration Andrew Lunn <andrew@lunn.ch> - 2016-07-16 18:50 +0200
[PATCH v0 03/10] arm: orion5x: Add clk support for mv88f5181 Jamie Lentin <jm@lentin.co.uk> - 2016-07-16 17:10 +0200
Re: [PATCH v0 03/10] arm: orion5x: Add clk support for mv88f5181 Andrew Lunn <andrew@lunn.ch> - 2016-07-16 18:20 +0200
Re: [PATCH v0 03/10] arm: orion5x: Add clk support for mv88f5181 Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-07-16 19:40 +0200
Re: [PATCH v0 03/10] arm: orion5x: Add clk support for mv88f5181 Rob Herring <robh@kernel.org> - 2016-07-17 22:40 +0200
[PATCH v0 01/10] arm: orion5x: Add required properties for orion-wdt to DT node Jamie Lentin <jm@lentin.co.uk> - 2016-07-16 17:10 +0200
Re: [PATCH v0 01/10] arm: orion5x: Add required properties for orion-wdt to DT node Andrew Lunn <andrew@lunn.ch> - 2016-07-16 18:10 +0200
[PATCH v0 10/10] arm: orion5x: Configure Netgear WNR854T network port LEDs Jamie Lentin <jm@lentin.co.uk> - 2016-07-16 17:10 +0200
[PATCH v0 06/10] arm: orion5x: Add DT-based support for Netgear WNR854T Jamie Lentin <jm@lentin.co.uk> - 2016-07-16 17:10 +0200
Re: [PATCH v0 06/10] arm: orion5x: Add DT-based support for Netgear WNR854T Andrew Lunn <andrew@lunn.ch> - 2016-07-16 18:40 +0200
Re: [PATCH v0 06/10] arm: orion5x: Add DT-based support for Netgear WNR854T Andrew Lunn <andrew@lunn.ch> - 2016-07-16 18:40 +0200
Re: [PATCH v0 06/10] arm: orion5x: Add DT-based support for Netgear WNR854T Arnd Bergmann <arnd@arndb.de> - 2016-07-16 21:20 +0200
Re: [PATCH v0 06/10] arm: orion5x: Add DT-based support for Netgear WNR854T Jamie Lentin <jm@lentin.co.uk> - 2016-07-17 12:10 +0200
Re: [PATCH v0 06/10] arm: orion5x: Add DT-based support for Netgear WNR854T Arnd Bergmann <arnd@arndb.de> - 2016-07-17 22:50 +0200
Re: [PATCH v0 06/10] arm: orion5x: Add DT-based support for Netgear WNR854T Thomas Petazzoni <thomas.petazzoni@free-electrons.com> - 2016-07-18 11:50 +0200
Re: [PATCH v0 06/10] arm: orion5x: Add DT-based support for Netgear WNR854T Arnd Bergmann <arnd@arndb.de> - 2016-07-18 12:10 +0200
Re: [PATCH v0 06/10] arm: orion5x: Add DT-based support for Netgear WNR854T Arnd Bergmann <arnd@arndb.de> - 2016-07-19 11:50 +0200
Re: [PATCH v0 06/10] arm: orion5x: Add DT-based support for Netgear WNR854T Jamie Lentin <jm@lentin.co.uk> - 2016-07-19 12:10 +0200
Re: [PATCH v0 06/10] arm: orion5x: Add DT-based support for Netgear WNR854T Rob Herring <robh@kernel.org> - 2016-07-17 23:00 +0200
Re: [PATCH v0 06/10] arm: orion5x: Add DT-based support for Netgear WNR854T Jamie Lentin <jm@lentin.co.uk> - 2016-07-19 11:50 +0200
[PATCH v0 07/10] arm: orion5x: Remove old non-DT-based WNR854T support Jamie Lentin <jm@lentin.co.uk> - 2016-07-16 17:10 +0200
Re: [PATCH v0 07/10] arm: orion5x: Remove old non-DT-based WNR854T support Andrew Lunn <andrew@lunn.ch> - 2016-07-16 18:40 +0200
[PATCH v0 04/10] arm: orion5x: Generalise mv88f5181l pinctrl support for 88f5181 Jamie Lentin <jm@lentin.co.uk> - 2016-07-16 17:10 +0200
Re: [PATCH v0 04/10] arm: orion5x: Generalise mv88f5181l pinctrl support for 88f5181 Andrew Lunn <andrew@lunn.ch> - 2016-07-16 18:20 +0200
Re: [PATCH v0 04/10] arm: orion5x: Generalise mv88f5181l pinctrl support for 88f5181 Rob Herring <robh@kernel.org> - 2016-07-17 22:50 +0200
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