Re: [PATCH v3] clk: Exynos5250: Add clocks for G3D

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Hi Tomasz

On Wed, Aug 14, 2013 at 6:14 PM, Tomasz Figa <t.figa@xxxxxxxxxxx> wrote:
> Hi Arun,
>
> On Wednesday 14 of August 2013 16:40:05 Arun Kumar K wrote:
>> This patch adds the required clocks for ARM Mali IP
>> in Exynos5250.
>>
>> Signed-off-by: Arun Kumar K <arun.kk@xxxxxxxxxxx>
>> Acked-by: Mike Turquette <mturquette@xxxxxxxxxx>
>> Acked-by: Kukjin Kim <kgene.kim@xxxxxxxxxxx>
>> ---
>> Changes from v2
>> - Rebased on clk-next
>> Changes from v1
>> - Removed exporting of parent DIV clock for g3d
>>   as per Tomsz Figa's comment.
>> ---
>>  .../devicetree/bindings/clock/exynos5250-clock.txt |    1 +
>>  drivers/clk/samsung/clk-exynos5250.c               |   12 +++++++++++-
>>  2 files changed, 12 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
>> b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt index
>> 24765c1..bb3dd95 100644
>> --- a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
>> +++ b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
>> @@ -159,6 +159,7 @@ clock which they consume.
>>    mixer                      343
>>    hdmi                       344
>>    g2d                        345
>> +  g3d                        346
>>
>>
>>     [Clock Muxes]
>> diff --git a/drivers/clk/samsung/clk-exynos5250.c
>> b/drivers/clk/samsung/clk-exynos5250.c index a9916a4..892a5ac 100644
>> --- a/drivers/clk/samsung/clk-exynos5250.c
>> +++ b/drivers/clk/samsung/clk-exynos5250.c
>> @@ -34,6 +34,7 @@
>>  #define VPLL_CON0            0x10140
>>  #define GPLL_CON0            0x10150
>>  #define SRC_TOP0             0x10210
>> +#define SRC_TOP1             0x10214
>>  #define SRC_TOP2             0x10218
>>  #define SRC_GSCL             0x10220
>>  #define SRC_DISP1_0          0x1022c
>> @@ -66,6 +67,7 @@
>>  #define DIV_PERIC5           0x1056c
>>  #define GATE_IP_GSCL         0x10920
>>  #define GATE_IP_MFC          0x1092c
>> +#define GATE_IP_G3D          0x10930
>>  #define GATE_IP_GEN          0x10934
>>  #define GATE_IP_FSYS         0x10944
>>  #define GATE_IP_PERIC                0x10950
>> @@ -120,7 +122,7 @@ enum exynos5250_clks {
>>       spi2, i2s1, i2s2, pcm1, pcm2, pwm, spdif, ac97, hsi2c0, hsi2c1, hsi2c2,
>> hsi2c3, chipid, sysreg, pmu, cmu_top, cmu_core, cmu_mem, tzpc0, tzpc1,
>> tzpc2, tzpc3, tzpc4, tzpc5, tzpc6, tzpc7, tzpc8, tzpc9, hdmi_cec, mct,
>> -     wdt, rtc, tmu, fimd1, mie1, dsim0, dp, mixer, hdmi, g2d,
>> +     wdt, rtc, tmu, fimd1, mie1, dsim0, dp, mixer, hdmi, g2d, g3d,
>>
>>       /* mux clocks */
>>       mout_hdmi = 1024,
>> @@ -137,6 +139,7 @@ static unsigned long exynos5250_clk_regs[] __initdata
>> = { DIV_CPU0,
>>       SRC_CORE1,
>>       SRC_TOP0,
>> +     SRC_TOP1,
>>       SRC_TOP2,
>>       SRC_GSCL,
>>       SRC_DISP1_0,
>> @@ -190,10 +193,12 @@ PNAME(mout_vpllsrc_p)   = { "fin_pll",
> "sclk_hdmi27m"
>> }; PNAME(mout_vpll_p) = { "mout_vpllsrc", "fout_vpll" };
>>  PNAME(mout_cpll_p)   = { "fin_pll", "fout_cpll" };
>>  PNAME(mout_epll_p)   = { "fin_pll", "fout_epll" };
>> +PNAME(mout_gpll_p)   = { "fin_pll", "fout_gpll" };
>>  PNAME(mout_mpll_user_p)      = { "fin_pll", "sclk_mpll" };
>>  PNAME(mout_bpll_user_p)      = { "fin_pll", "sclk_bpll" };
>>  PNAME(mout_aclk166_p)        = { "sclk_cpll", "sclk_mpll_user" };
>>  PNAME(mout_aclk200_p)        = { "sclk_mpll_user", "sclk_bpll_user" };
>> +PNAME(mout_aclk400_p)        = { "aclk_400_g3d_mid", "sclk_gpll" };
>>  PNAME(mout_hdmi_p)   = { "div_hdmi_pixel", "sclk_hdmiphy" };
>>  PNAME(mout_usb3_p)   = { "sclk_mpll_user", "sclk_cpll" };
>>  PNAME(mout_group1_p) = { "fin_pll", "fin_pll", "sclk_hdmi27m",
>> @@ -252,6 +257,9 @@ static struct samsung_mux_clock exynos5250_mux_clks[]
>> __initdata = { MUX(none, "mout_aclk166", mout_aclk166_p, SRC_TOP0, 8,
>> 1),
>>       MUX(none, "mout_aclk333", mout_aclk166_p, SRC_TOP0, 16, 1),
>>       MUX(none, "mout_aclk200", mout_aclk200_p, SRC_TOP0, 12, 1),
>> +     MUX(none, "aclk_400_g3d_mid", mout_aclk200_p, SRC_TOP0, 20, 1),
>
> Name of this clock looks out of line looking at other clocks defined in
> this file. Shouldn't it be something like "mout_aclk400_g3d_mid"?
>

Ok will rename it.

>> +     MUX(none, "sclk_gpll", mout_gpll_p, SRC_TOP2, 28, 1),
>> +     MUX(none, "mout_aclk400", mout_aclk400_p, SRC_TOP1, 28, 1),
>
> According to the documentation I have, this clock should be called
> "mout_aclk400_g3d".
>

Ok.

>>       MUX(none, "mout_cam_bayer", mout_group1_p, SRC_GSCL, 12, 4),
>>       MUX(none, "mout_cam0", mout_group1_p, SRC_GSCL, 16, 4),
>>       MUX(none, "mout_cam1", mout_group1_p, SRC_GSCL, 20, 4),
>> @@ -291,6 +299,7 @@ static struct samsung_div_clock exynos5250_div_clks[]
>> __initdata = { DIV(none, "aclk166", "mout_aclk166", DIV_TOP0, 8, 3),
>>       DIV(none, "aclk333", "mout_aclk333", DIV_TOP0, 20, 3),
>>       DIV(none, "aclk200", "mout_aclk200", DIV_TOP0, 12, 3),
>> +     DIV(none, "aclk_400_g3d", "mout_aclk400", DIV_TOP0, 24, 3),
>
> Hmm, what about div_aclk400_g3d, since it is a divider?
>

Ok will change.

Regards
Arun
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