diff options
| author | Högander Jouni <jouni.hogander@nokia.com> | 2008-08-19 10:08:45 +0200 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2008-08-19 10:08:45 +0200 |
| commit | 5955902fb5c31f6a784ddb7aa16079a2bec588f5 (patch) | |
| tree | fcc3ce2cbe010a371ff360549234bd8e5dfee1ad /arch | |
| parent | ARM: OMAP2: Clockdomain: Integrate OMAP3 clocks with clockdomain code (diff) | |
| download | linux-5955902fb5c31f6a784ddb7aa16079a2bec588f5.tar.xz linux-5955902fb5c31f6a784ddb7aa16079a2bec588f5.zip | |
ARM: OMAP2: Clock: Combine 34xx l3_icks and l4_icks
E.g dss_l3_ick and dss_l4_ick have same gating control. Having own
clock for both of them causes race condition between enable / disable.
This patch combines this kind of clocks and names new clock as <module>_ick.
Signed-off-by: Jouni Hogander <jouni.hogander@nokia.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-omap2/clock34xx.h | 62 |
1 files changed, 24 insertions, 38 deletions
diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h index bb01e2014818..c38a8a09692f 100644 --- a/arch/arm/mach-omap2/clock34xx.h +++ b/arch/arm/mach-omap2/clock34xx.h @@ -1189,27 +1189,34 @@ static const struct clksel gfx_l3_clksel[] = { { .parent = NULL } }; -static struct clk gfx_l3_fck = { - .name = "gfx_l3_fck", +/* Virtual parent clock for gfx_l3_ick and gfx_l3_fck */ +static struct clk gfx_l3_ck = { + .name = "gfx_l3_ck", .parent = &l3_ick, .init = &omap2_init_clksel_parent, .enable_reg = OMAP_CM_REGADDR(GFX_MOD, CM_ICLKEN), .enable_bit = OMAP_EN_GFX_SHIFT, + .flags = CLOCK_IN_OMAP3430ES1, + .recalc = &followparent_recalc, +}; + +static struct clk gfx_l3_fck = { + .name = "gfx_l3_fck", + .parent = &gfx_l3_ck, + .init = &omap2_init_clksel_parent, .clksel_reg = OMAP_CM_REGADDR(GFX_MOD, CM_CLKSEL), .clksel_mask = OMAP_CLKSEL_GFX_MASK, .clksel = gfx_l3_clksel, - .flags = CLOCK_IN_OMAP3430ES1 | RATE_PROPAGATES, + .flags = CLOCK_IN_OMAP3430ES1 | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, .clkdm_name = "gfx_3430es1_clkdm", .recalc = &omap2_clksel_recalc, }; static struct clk gfx_l3_ick = { .name = "gfx_l3_ick", - .parent = &l3_ick, - .init = &omap2_init_clk_clkdm, - .enable_reg = OMAP_CM_REGADDR(GFX_MOD, CM_ICLKEN), - .enable_bit = OMAP_EN_GFX_SHIFT, - .flags = CLOCK_IN_OMAP3430ES1, + .parent = &gfx_l3_ck, + .flags = CLOCK_IN_OMAP3430ES1 | PARENT_CONTROLS_CLOCK, .clkdm_name = "gfx_3430es1_clkdm", .recalc = &followparent_recalc, }; @@ -2153,19 +2160,9 @@ static struct clk cam_mclk = { .recalc = &omap2_clksel_recalc, }; -static struct clk cam_l3_ick = { - .name = "cam_l3_ick", - .parent = &l3_ick, - .init = &omap2_init_clk_clkdm, - .enable_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_ICLKEN), - .enable_bit = OMAP3430_EN_CAM_SHIFT, - .flags = CLOCK_IN_OMAP343X, - .clkdm_name = "cam_clkdm", - .recalc = &followparent_recalc, -}; - -static struct clk cam_l4_ick = { - .name = "cam_l4_ick", +static struct clk cam_ick = { + /* Handles both L3 and L4 clocks */ + .name = "cam_ick", .parent = &l4_ick, .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_ICLKEN), @@ -2199,19 +2196,9 @@ static struct clk usbhost_48m_fck = { .recalc = &followparent_recalc, }; -static struct clk usbhost_l3_ick = { - .name = "usbhost_l3_ick", - .parent = &l3_ick, - .init = &omap2_init_clk_clkdm, - .enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN), - .enable_bit = OMAP3430ES2_EN_USBHOST_SHIFT, - .flags = CLOCK_IN_OMAP3430ES2, - .clkdm_name = "usbhost_clkdm", - .recalc = &followparent_recalc, -}; - -static struct clk usbhost_l4_ick = { - .name = "usbhost_l4_ick", +static struct clk usbhost_ick = { + /* Handles both L3 and L4 clocks */ + .name = "usbhost_ick", .parent = &l4_ick, .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN), @@ -3093,6 +3080,7 @@ static struct clk *onchip_34xx_clks[] __initdata = { &l3_ick, &l4_ick, &rm_ick, + &gfx_l3_ck, &gfx_l3_fck, &gfx_l3_ick, &gfx_cg1_ck, @@ -3174,12 +3162,10 @@ static struct clk *onchip_34xx_clks[] __initdata = { &dss2_alwon_fck, &dss_ick, &cam_mclk, - &cam_l3_ick, - &cam_l4_ick, + &cam_ick, &usbhost_120m_fck, &usbhost_48m_fck, - &usbhost_l3_ick, - &usbhost_l4_ick, + &usbhost_ick, &usbhost_sar_fck, &usim_fck, &gpt1_fck, |