diff mbox series

[PATCH/RFT,v3,5/5] clk: renesas: r8a774c0: Add Z2 clock

Message ID 20190131094021.3092-6-horms+renesas@verge.net.au (mailing list archive)
State Superseded
Delegated to: Geert Uytterhoeven
Headers show
Series clk: renesas: r8a77990: Add Z2 clock | expand

Commit Message

Simon Horman Jan. 31, 2019, 9:40 a.m. UTC
Adds support for R-Car RZ/G2E (r8a774c0) Z2 clock.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
v3: New patch
---
 drivers/clk/renesas/r8a774c0-cpg-mssr.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Fabrizio Castro Jan. 31, 2019, 11:01 a.m. UTC | #1
Hello Simon,

I get the same results for the RZ/G2E on EK874:

# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies
800000 1000000 1200000
# grep . /sys/devices/system/cpu/cpu*/cpufreq/*_cur_freq /sys/kernel/debug/clk/z2/clk_rate
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq:1200000
/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq:1200000
/sys/devices/system/cpu/cpu1/cpufreq/cpuinfo_cur_freq:1200000
/sys/devices/system/cpu/cpu1/cpufreq/scaling_cur_freq:1200000
/sys/kernel/debug/clk/z2/clk_rate:1200000000
# echo 1000000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
# grep . /sys/devices/system/cpu/cpu*/cpufreq/*_cur_freq /sys/kernel/debug/clk/z2/clk_rate
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq:975000
/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq:1000000
/sys/devices/system/cpu/cpu1/cpufreq/cpuinfo_cur_freq:975000
/sys/devices/system/cpu/cpu1/cpufreq/scaling_cur_freq:1000000
/sys/kernel/debug/clk/z2/clk_rate:975000000
# echo 800000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
# grep . /sys/devices/system/cpu/cpu*/cpufreq/*_cur_freq /sys/kernel/debug/clk/z2/clk_rate
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq:787500
/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq:800000
/sys/devices/system/cpu/cpu1/cpufreq/cpuinfo_cur_freq:787500
/sys/devices/system/cpu/cpu1/cpufreq/scaling_cur_freq:800000
/sys/kernel/debug/clk/z2/clk_rate:787500000
# echo 1200000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
# grep . /sys/devices/system/cpu/cpu*/cpufreq/*_cur_freq /sys/kernel/debug/clk/z2/clk_rate
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq:1200000
/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq:1200000
/sys/devices/system/cpu/cpu1/cpufreq/cpuinfo_cur_freq:1200000
/sys/devices/system/cpu/cpu1/cpufreq/scaling_cur_freq:1200000
/sys/kernel/debug/clk/z2/clk_rate:1200000000

> From: Simon Horman <horms+renesas@verge.net.au>
> Sent: 31 January 2019 09:40
> Subject: [PATCH/RFT v3 5/5] clk: renesas: r8a774c0: Add Z2 clock
>
> Adds support for R-Car RZ/G2E (r8a774c0) Z2 clock.
>
> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Tested-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>

> ---
> v3: New patch
> ---
>  drivers/clk/renesas/r8a774c0-cpg-mssr.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/clk/renesas/r8a774c0-cpg-mssr.c b/drivers/clk/renesas/r8a774c0-cpg-mssr.c
> index 10b96895d452..24634ca94f69 100644
> --- a/drivers/clk/renesas/r8a774c0-cpg-mssr.c
> +++ b/drivers/clk/renesas/r8a774c0-cpg-mssr.c
> @@ -79,6 +79,7 @@ static const struct cpg_core_clk r8a774c0_core_clks[] __initconst = {
>  /* Core Clock Outputs */
>  DEF_FIXED("za2",       R8A774C0_CLK_ZA2,   CLK_PLL0D24,    1, 1),
>  DEF_FIXED("za8",       R8A774C0_CLK_ZA8,   CLK_PLL0D8,     1, 1),
> +DEF_GEN3_Z("z2",       R8A774C0_CLK_Z2,    CLK_TYPE_GEN3_Z2, CLK_PLL0, 4, 8),
>  DEF_FIXED("ztr",       R8A774C0_CLK_ZTR,   CLK_PLL1,       6, 1),
>  DEF_FIXED("zt",        R8A774C0_CLK_ZT,    CLK_PLL1,       4, 1),
>  DEF_FIXED("zx",        R8A774C0_CLK_ZX,    CLK_PLL1,       3, 1),
> --
> 2.11.0

Cheers,
Fab




Renesas Electronics Europe Ltd, Dukes Meadow, Millboard Road, Bourne End, Buckinghamshire, SL8 5FH, UK. Registered in England & Wales under Registered No. 04586709.
Geert Uytterhoeven Feb. 5, 2019, 9:27 a.m. UTC | #2
On Thu, Jan 31, 2019 at 10:40 AM Simon Horman
<horms+renesas@verge.net.au> wrote:
> Adds support for R-Car RZ/G2E (r8a774c0) Z2 clock.
>
> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert
diff mbox series

Patch

diff --git a/drivers/clk/renesas/r8a774c0-cpg-mssr.c b/drivers/clk/renesas/r8a774c0-cpg-mssr.c
index 10b96895d452..24634ca94f69 100644
--- a/drivers/clk/renesas/r8a774c0-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a774c0-cpg-mssr.c
@@ -79,6 +79,7 @@  static const struct cpg_core_clk r8a774c0_core_clks[] __initconst = {
 	/* Core Clock Outputs */
 	DEF_FIXED("za2",       R8A774C0_CLK_ZA2,   CLK_PLL0D24,    1, 1),
 	DEF_FIXED("za8",       R8A774C0_CLK_ZA8,   CLK_PLL0D8,     1, 1),
+	DEF_GEN3_Z("z2",       R8A774C0_CLK_Z2,    CLK_TYPE_GEN3_Z2, CLK_PLL0, 4, 8),
 	DEF_FIXED("ztr",       R8A774C0_CLK_ZTR,   CLK_PLL1,       6, 1),
 	DEF_FIXED("zt",        R8A774C0_CLK_ZT,    CLK_PLL1,       4, 1),
 	DEF_FIXED("zx",        R8A774C0_CLK_ZX,    CLK_PLL1,       3, 1),