From: Santosh Shilimkar <[email protected]> On OMAP4 platform the iclk control is completly under hardware control and no software control is available.
This difference w.r.t previous OMAP's needs all the common driver accross OMAP's , cpu_is_xxxx() checks. To avoid poulluting the drivers dummy clock nodes are created (The autogeneration script has been updated accordingly). Signed-off-by: Santosh Shilimkar <[email protected]> Signed-off-by: Rajendra Nayak <[email protected]> Signed-off-by: Benoit Cousson <[email protected]> [[email protected]: made OMAP1 dummy_ck common and edited patch to reuse that] Signed-off-by: Paul Walmsley <[email protected]> --- arch/arm/mach-omap1/clock.c | 14 ------------ arch/arm/mach-omap1/clock_data.c | 6 ----- arch/arm/mach-omap2/clock.h | 1 + arch/arm/mach-omap2/clock44xx_data.c | 35 +++++++++++++++++++++++++++++++ arch/arm/plat-omap/clock.c | 10 +++++++++ arch/arm/plat-omap/include/plat/clock.h | 2 ++ 6 files changed, 48 insertions(+), 20 deletions(-) diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c index 0ba044d..e0aec10 100644 --- a/arch/arm/mach-omap1/clock.c +++ b/arch/arm/mach-omap1/clock.c @@ -38,20 +38,6 @@ struct clk *api_ck_p, *ck_dpll1_p, *ck_ref_p; * Omap1 specific clock functions *-------------------------------------------------------------------------*/ -static int clk_omap1_dummy_enable(struct clk *clk) -{ - return 0; -} - -static void clk_omap1_dummy_disable(struct clk *clk) -{ -} - -const struct clkops clkops_dummy = { - .enable = clk_omap1_dummy_enable, - .disable = clk_omap1_dummy_disable, -}; - unsigned long omap1_uart_recalc(struct clk *clk) { unsigned int val = __raw_readl(clk->enable_reg); diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c index 8b1d14d..aa8558a 100644 --- a/arch/arm/mach-omap1/clock_data.c +++ b/arch/arm/mach-omap1/clock_data.c @@ -27,12 +27,6 @@ * Omap1 clocks *-------------------------------------------------------------------------*/ -/* XXX is this necessary? */ -static struct clk dummy_ck = { - .name = "dummy", - .ops = &clkops_dummy, -}; - static struct clk ck_ref = { .name = "ck_ref", .ops = &clkops_null, diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h index 49ad473..816d932 100644 --- a/arch/arm/mach-omap2/clock.h +++ b/arch/arm/mach-omap2/clock.h @@ -101,6 +101,7 @@ void omap2_clk_print_new_rates(const char *hfclkin_ck_name, extern u8 cpu_mask; extern const struct clkops clkops_omap2_dflt_wait; +extern const struct clkops clkops_dummy; extern const struct clkops clkops_omap2_dflt; extern struct clk_functions omap2_clk_functions; diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c index c0825cf..28b1079 100644 --- a/arch/arm/mach-omap2/clock44xx_data.c +++ b/arch/arm/mach-omap2/clock44xx_data.c @@ -2645,6 +2645,41 @@ static struct omap_clk omap44xx_clks[] = { CLK(NULL, "usim_fclk", &usim_fclk, CK_443X), CLK(NULL, "utmi_p1_gfclk_ck", &utmi_p1_gfclk_ck, CK_443X), CLK(NULL, "utmi_p2_gfclk_ck", &utmi_p2_gfclk_ck, CK_443X), + CLK(NULL, "gpio1_dbck", &dummy_ck, CK_443X), + CLK(NULL, "gpio2_dbck", &dummy_ck, CK_443X), + CLK(NULL, "gpio3_dbck", &dummy_ck, CK_443X), + CLK(NULL, "gpio4_dbck", &dummy_ck, CK_443X), + CLK(NULL, "gpio5_dbck", &dummy_ck, CK_443X), + CLK(NULL, "gpio6_dbck", &dummy_ck, CK_443X), + CLK(NULL, "gpmc_ck", &dummy_ck, CK_443X), + CLK(NULL, "gpt1_ick", &dummy_ck, CK_443X), + CLK(NULL, "gpt2_ick", &dummy_ck, CK_443X), + CLK(NULL, "gpt3_ick", &dummy_ck, CK_443X), + CLK(NULL, "gpt4_ick", &dummy_ck, CK_443X), + CLK(NULL, "gpt5_ick", &dummy_ck, CK_443X), + CLK(NULL, "gpt6_ick", &dummy_ck, CK_443X), + CLK(NULL, "gpt7_ick", &dummy_ck, CK_443X), + CLK(NULL, "gpt8_ick", &dummy_ck, CK_443X), + CLK(NULL, "gpt9_ick", &dummy_ck, CK_443X), + CLK(NULL, "gpt10_ick", &dummy_ck, CK_443X), + CLK(NULL, "gpt11_ick", &dummy_ck, CK_443X), + CLK("i2c_omap.1", "ick", &dummy_ck, CK_443X), + CLK("i2c_omap.2", "ick", &dummy_ck, CK_443X), + CLK("i2c_omap.3", "ick", &dummy_ck, CK_443X), + CLK("i2c_omap.4", "ick", &dummy_ck, CK_443X), + CLK("omap-mcbsp.1", "ick", &dummy_ck, CK_443X), + CLK("omap-mcbsp.2", "ick", &dummy_ck, CK_443X), + CLK("omap-mcbsp.3", "ick", &dummy_ck, CK_443X), + CLK("omap-mcbsp.4", "ick", &dummy_ck, CK_443X), + CLK("omap-mcspi.1", "ick", &dummy_ck, CK_443X), + CLK("omap-mcspi.2", "ick", &dummy_ck, CK_443X), + CLK("omap-mcspi.3", "ick", &dummy_ck, CK_443X), + CLK("omap-mcspi.4", "ick", &dummy_ck, CK_443X), + CLK(NULL, "uart1_ick", &dummy_ck, CK_443X), + CLK(NULL, "uart2_ick", &dummy_ck, CK_443X), + CLK(NULL, "uart3_ick", &dummy_ck, CK_443X), + CLK(NULL, "uart4_ick", &dummy_ck, CK_443X), + CLK("omap_wdt", "ick", &dummy_ck, CK_443X), }; int __init omap4xxx_clk_init(void) diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c index 6cc13e7..5261a09 100644 --- a/arch/arm/plat-omap/clock.c +++ b/arch/arm/plat-omap/clock.c @@ -357,6 +357,16 @@ const struct clkops clkops_null = { .disable = clkll_disable_null, }; +/* + * Dummy clock + * + * Used for clock aliases that are needed on some OMAPs, but not others + */ +struct clk dummy_ck = { + .name = "dummy", + .ops = &clkops_null, +}; + #ifdef CONFIG_CPU_FREQ void clk_init_cpufreq_table(struct cpufreq_frequency_table **table) { diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h index 6a32ac1..2e2e4c5 100644 --- a/arch/arm/plat-omap/include/plat/clock.h +++ b/arch/arm/plat-omap/include/plat/clock.h @@ -188,6 +188,8 @@ extern struct clk *omap_clk_get_by_name(const char *name); extern const struct clkops clkops_null; +extern struct clk dummy_ck; + /* Clock flags */ #define ENABLE_REG_32BIT (1 << 0) /* Use 32-bit access */ #define CLOCK_IDLE_CONTROL (1 << 1) -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
