diff options
Diffstat (limited to 'arch/arm/mach-mxs/clock-mx28.c')
| -rw-r--r-- | arch/arm/mach-mxs/clock-mx28.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c index 5dcc59d5b9e..229ae349421 100644 --- a/arch/arm/mach-mxs/clock-mx28.c +++ b/arch/arm/mach-mxs/clock-mx28.c @@ -349,7 +349,7 @@ static int name##_set_rate(struct clk *clk, unsigned long rate) \ \ reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##fr); \ reg &= ~BM_CLKCTRL_##fr##_##fs##FRAC; \ - reg |= frac; \ + reg |= frac << BP_CLKCTRL_##fr##_##fs##FRAC; \ __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_##fr); \ } \ \ @@ -640,6 +640,8 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK(NULL, "lradc", lradc_clk) _REGISTER_CLOCK(NULL, "spdif", spdif_clk) _REGISTER_CLOCK("imx28-fb", NULL, lcdif_clk) + _REGISTER_CLOCK("mxs-saif.0", NULL, saif0_clk) + _REGISTER_CLOCK("mxs-saif.1", NULL, saif1_clk) }; static int clk_misc_init(void) @@ -708,11 +710,11 @@ static int clk_misc_init(void) /* SAIF has to use frac div for functional operation */ reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SAIF0); - reg &= ~BM_CLKCTRL_SAIF0_DIV_FRAC_EN; + reg |= BM_CLKCTRL_SAIF0_DIV_FRAC_EN; __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SAIF0); reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SAIF1); - reg &= ~BM_CLKCTRL_SAIF1_DIV_FRAC_EN; + reg |= BM_CLKCTRL_SAIF1_DIV_FRAC_EN; __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SAIF1); /* @@ -738,11 +740,17 @@ static int clk_misc_init(void) __raw_writel(BM_CLKCTRL_CPU_INTERRUPT_WAIT, CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU_SET); - /* Extra fec clock setting */ - reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_ENET); - reg &= ~BM_CLKCTRL_ENET_SLEEP; - reg |= BM_CLKCTRL_ENET_CLK_OUT_EN; - __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_ENET); + /* + * Extra fec clock setting + * The DENX M28 uses an external clock source + * and the clock output must not be enabled + */ + if (!machine_is_m28evk()) { + reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_ENET); + reg &= ~BM_CLKCTRL_ENET_SLEEP; + reg |= BM_CLKCTRL_ENET_CLK_OUT_EN; + __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_ENET); + } /* * 480 MHz seems too high to be ssp clock source directly, @@ -774,6 +782,8 @@ int __init mx28_clocks_init(void) clk_enable(&uart_clk); clk_set_parent(&lcdif_clk, &ref_pix_clk); + clk_set_parent(&saif0_clk, &pll0_clk); + clk_set_parent(&saif1_clk, &pll0_clk); clkdev_add_table(lookups, ARRAY_SIZE(lookups)); |