* Re: [PATCH v4 4/9] clk: samsung: exynos4: Add divider clock id for memory bus frequency
@ 2015-01-19 9:31 MyungJoo Ham
0 siblings, 0 replies; 3+ messages in thread
From: MyungJoo Ham @ 2015-01-19 9:31 UTC (permalink / raw)
To: 최찬우, kgene
Cc: 박경민,
rafael.j.wysocki, mark.rutland, ABHILASH KESAVAN, tomasz.figa,
Krzysztof Kozlowski, Bartlomiej Zolnierkiewicz, robh+dt,
대인기,
linux-pm, linux-kernel, linux-arm-kernel, linux-samsung-soc,
Sylwester Nawrocki
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>
> This patch adds the divider clock id for Exynos4 memory bus frequency.
> The clock id is used fo DVFS (Dynamic Voltage/Frequency Scaling)
> feature of exynos memory bus frequency.
>
> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
> Cc: Tomasz Figa <tomasz.figa@gmail.com>
> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Anyway, you will need reviews from Sylwester and/or Tomasz for this one.
Cheers,
MyungJoo
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v4 4/9] clk: samsung: exynos4: Add divider clock id for memory bus frequency
2015-01-15 1:50 ` [PATCH v4 4/9] clk: samsung: exynos4: Add divider clock id for memory bus frequency Chanwoo Choi
@ 2015-01-20 14:17 ` Sylwester Nawrocki
0 siblings, 0 replies; 3+ messages in thread
From: Sylwester Nawrocki @ 2015-01-20 14:17 UTC (permalink / raw)
To: Chanwoo Choi, kgene
Cc: myungjoo.ham, kyungmin.park, rafael.j.wysocki, mark.rutland,
a.kesavan, tomasz.figa, k.kozlowski, b.zolnierkie, robh+dt,
inki.dae, linux-pm, linux-kernel, linux-arm-kernel,
linux-samsung-soc, Mike Turquette
On 15/01/15 02:50, Chanwoo Choi wrote:
> This patch adds the divider clock id for Exynos4 memory bus frequency.
> The clock id is used fo DVFS (Dynamic Voltage/Frequency Scaling)
> feature of exynos memory bus frequency.
>
> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
> Cc: Tomasz Figa <tomasz.figa@gmail.com>
> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
I've queued this patch for the clk tree, please let me know if a topic
branch is needed.
--
Thanks,
Sylwester
> drivers/clk/samsung/clk-exynos4.c | 10 +++++-----
> include/dt-bindings/clock/exynos4.h | 7 ++++++-
> 2 files changed, 11 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/clk/samsung/clk-exynos4.c
b/drivers/clk/samsung/clk-exynos4.c
> index 88e8c6b..51462e8 100644
> --- a/drivers/clk/samsung/clk-exynos4.c
> +++ b/drivers/clk/samsung/clk-exynos4.c
> @@ -703,12 +703,12 @@ static struct samsung_mux_clock exynos4x12_mux_clks[]
__initdata = {
>
> /* list of divider clocks supported in all exynos4 soc's */
> static struct samsung_div_clock exynos4_div_clks[] __initdata = {
> - DIV(0, "div_gdl", "mout_gdl", DIV_LEFTBUS, 0, 3),
> + DIV(CLK_DIV_GDL, "div_gdl", "mout_gdl", DIV_LEFTBUS, 0, 3),
> DIV(0, "div_gpl", "div_gdl", DIV_LEFTBUS, 4, 3),
> DIV(0, "div_clkout_leftbus", "mout_clkout_leftbus",
> CLKOUT_CMU_LEFTBUS, 8, 6),
>
> - DIV(0, "div_gdr", "mout_gdr", DIV_RIGHTBUS, 0, 3),
> + DIV(CLK_DIV_GDR, "div_gdr", "mout_gdr", DIV_RIGHTBUS, 0, 3),
> DIV(0, "div_gpr", "div_gdr", DIV_RIGHTBUS, 4, 3),
> DIV(0, "div_clkout_rightbus", "mout_clkout_rightbus",
> CLKOUT_CMU_RIGHTBUS, 8, 6),
> @@ -781,10 +781,10 @@ static struct samsung_div_clock exynos4_div_clks[]
__initdata = {
> CLK_SET_RATE_PARENT, 0),
> DIV(0, "div_clkout_top", "mout_clkout_top", CLKOUT_CMU_TOP, 8, 6),
>
> - DIV(0, "div_acp", "mout_dmc_bus", DIV_DMC0, 0, 3),
> + DIV(CLK_DIV_ACP, "div_acp", "mout_dmc_bus", DIV_DMC0, 0, 3),
> DIV(0, "div_acp_pclk", "div_acp", DIV_DMC0, 4, 3),
> DIV(0, "div_dphy", "mout_dphy", DIV_DMC0, 8, 3),
> - DIV(0, "div_dmc", "mout_dmc_bus", DIV_DMC0, 12, 3),
> + DIV(CLK_DIV_DMC, "div_dmc", "mout_dmc_bus", DIV_DMC0, 12, 3),
> DIV(0, "div_dmcd", "div_dmc", DIV_DMC0, 16, 3),
> DIV(0, "div_dmcp", "div_dmcd", DIV_DMC0, 20, 3),
> DIV(0, "div_pwi", "mout_pwi", DIV_DMC1, 8, 4),
> @@ -829,7 +829,7 @@ static struct samsung_div_clock exynos4x12_div_clks[]
__initdata = {
> DIV_F(CLK_DIV_MCUISP1, "div_mcuisp1", "div_mcuisp0", E4X12_DIV_ISP1,
> 8, 3, CLK_GET_RATE_NOCACHE, 0),
> DIV(CLK_SCLK_FIMG2D, "sclk_fimg2d", "mout_g2d", DIV_DMC1, 0, 4),
> - DIV(0, "div_c2c", "mout_c2c", DIV_DMC1, 4, 3),
> + DIV(CLK_DIV_C2C, "div_c2c", "mout_c2c", DIV_DMC1, 4, 3),
> DIV(0, "div_c2c_aclk", "div_c2c", DIV_DMC1, 12, 3),
> };
>
> diff --git a/include/dt-bindings/clock/exynos4.h
b/include/dt-bindings/clock/exynos4.h
> index 34fe28c..c4b1676 100644
> --- a/include/dt-bindings/clock/exynos4.h
> +++ b/include/dt-bindings/clock/exynos4.h
> @@ -262,8 +262,13 @@
> #define CLK_DIV_MCUISP1 453 /* Exynos4x12 only */
> #define CLK_DIV_ACLK200 454 /* Exynos4x12 only */
> #define CLK_DIV_ACLK400_MCUISP 455 /* Exynos4x12 only */
> +#define CLK_DIV_ACP 456
> +#define CLK_DIV_DMC 457
> +#define CLK_DIV_C2C 458 /* Exynos4x12 only */
> +#define CLK_DIV_GDL 459
> +#define CLK_DIV_GDR 460
>
> /* must be greater than maximal clock id */
> -#define CLK_NR_CLKS 456
> +#define CLK_NR_CLKS 461
>
> #endif /* _DT_BINDINGS_CLOCK_EXYNOS_4_H */
> -- 1.8.5.5
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH v4 4/9] clk: samsung: exynos4: Add divider clock id for memory bus frequency
2015-01-15 1:50 [PATCH v4 0/9] devfreq: Add generic exynos memory-bus frequency driver Chanwoo Choi
@ 2015-01-15 1:50 ` Chanwoo Choi
2015-01-20 14:17 ` Sylwester Nawrocki
0 siblings, 1 reply; 3+ messages in thread
From: Chanwoo Choi @ 2015-01-15 1:50 UTC (permalink / raw)
To: myungjoo.ham, kgene
Cc: kyungmin.park, rafael.j.wysocki, mark.rutland, a.kesavan,
tomasz.figa, k.kozlowski, b.zolnierkie, robh+dt, cw00.choi,
inki.dae, linux-pm, linux-kernel, linux-arm-kernel,
linux-samsung-soc, Sylwester Nawrocki
This patch adds the divider clock id for Exynos4 memory bus frequency.
The clock id is used fo DVFS (Dynamic Voltage/Frequency Scaling)
feature of exynos memory bus frequency.
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
---
drivers/clk/samsung/clk-exynos4.c | 10 +++++-----
include/dt-bindings/clock/exynos4.h | 7 ++++++-
2 files changed, 11 insertions(+), 6 deletions(-)
diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index 88e8c6b..51462e8 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -703,12 +703,12 @@ static struct samsung_mux_clock exynos4x12_mux_clks[] __initdata = {
/* list of divider clocks supported in all exynos4 soc's */
static struct samsung_div_clock exynos4_div_clks[] __initdata = {
- DIV(0, "div_gdl", "mout_gdl", DIV_LEFTBUS, 0, 3),
+ DIV(CLK_DIV_GDL, "div_gdl", "mout_gdl", DIV_LEFTBUS, 0, 3),
DIV(0, "div_gpl", "div_gdl", DIV_LEFTBUS, 4, 3),
DIV(0, "div_clkout_leftbus", "mout_clkout_leftbus",
CLKOUT_CMU_LEFTBUS, 8, 6),
- DIV(0, "div_gdr", "mout_gdr", DIV_RIGHTBUS, 0, 3),
+ DIV(CLK_DIV_GDR, "div_gdr", "mout_gdr", DIV_RIGHTBUS, 0, 3),
DIV(0, "div_gpr", "div_gdr", DIV_RIGHTBUS, 4, 3),
DIV(0, "div_clkout_rightbus", "mout_clkout_rightbus",
CLKOUT_CMU_RIGHTBUS, 8, 6),
@@ -781,10 +781,10 @@ static struct samsung_div_clock exynos4_div_clks[] __initdata = {
CLK_SET_RATE_PARENT, 0),
DIV(0, "div_clkout_top", "mout_clkout_top", CLKOUT_CMU_TOP, 8, 6),
- DIV(0, "div_acp", "mout_dmc_bus", DIV_DMC0, 0, 3),
+ DIV(CLK_DIV_ACP, "div_acp", "mout_dmc_bus", DIV_DMC0, 0, 3),
DIV(0, "div_acp_pclk", "div_acp", DIV_DMC0, 4, 3),
DIV(0, "div_dphy", "mout_dphy", DIV_DMC0, 8, 3),
- DIV(0, "div_dmc", "mout_dmc_bus", DIV_DMC0, 12, 3),
+ DIV(CLK_DIV_DMC, "div_dmc", "mout_dmc_bus", DIV_DMC0, 12, 3),
DIV(0, "div_dmcd", "div_dmc", DIV_DMC0, 16, 3),
DIV(0, "div_dmcp", "div_dmcd", DIV_DMC0, 20, 3),
DIV(0, "div_pwi", "mout_pwi", DIV_DMC1, 8, 4),
@@ -829,7 +829,7 @@ static struct samsung_div_clock exynos4x12_div_clks[] __initdata = {
DIV_F(CLK_DIV_MCUISP1, "div_mcuisp1", "div_mcuisp0", E4X12_DIV_ISP1,
8, 3, CLK_GET_RATE_NOCACHE, 0),
DIV(CLK_SCLK_FIMG2D, "sclk_fimg2d", "mout_g2d", DIV_DMC1, 0, 4),
- DIV(0, "div_c2c", "mout_c2c", DIV_DMC1, 4, 3),
+ DIV(CLK_DIV_C2C, "div_c2c", "mout_c2c", DIV_DMC1, 4, 3),
DIV(0, "div_c2c_aclk", "div_c2c", DIV_DMC1, 12, 3),
};
diff --git a/include/dt-bindings/clock/exynos4.h b/include/dt-bindings/clock/exynos4.h
index 34fe28c..c4b1676 100644
--- a/include/dt-bindings/clock/exynos4.h
+++ b/include/dt-bindings/clock/exynos4.h
@@ -262,8 +262,13 @@
#define CLK_DIV_MCUISP1 453 /* Exynos4x12 only */
#define CLK_DIV_ACLK200 454 /* Exynos4x12 only */
#define CLK_DIV_ACLK400_MCUISP 455 /* Exynos4x12 only */
+#define CLK_DIV_ACP 456
+#define CLK_DIV_DMC 457
+#define CLK_DIV_C2C 458 /* Exynos4x12 only */
+#define CLK_DIV_GDL 459
+#define CLK_DIV_GDR 460
/* must be greater than maximal clock id */
-#define CLK_NR_CLKS 456
+#define CLK_NR_CLKS 461
#endif /* _DT_BINDINGS_CLOCK_EXYNOS_4_H */
--
1.8.5.5
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2015-01-19 9:31 [PATCH v4 4/9] clk: samsung: exynos4: Add divider clock id for memory bus frequency MyungJoo Ham
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2015-01-15 1:50 [PATCH v4 0/9] devfreq: Add generic exynos memory-bus frequency driver Chanwoo Choi
2015-01-15 1:50 ` [PATCH v4 4/9] clk: samsung: exynos4: Add divider clock id for memory bus frequency Chanwoo Choi
2015-01-20 14:17 ` Sylwester Nawrocki
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