[PATCH v2 1/7] add i2c clock support
Sascha Hauer
s.hauer at pengutronix.de
Mon Feb 27 13:59:20 EST 2012
Applied this series.
Thanks
Sascha
On Mon, Feb 27, 2012 at 09:20:07AM +0100, Eric Bénard wrote:
> Signed-off-by: Eric Bénard <eric at eukrea.com>
> ---
> arch/arm/mach-imx/speed-imx53.c | 26 ++++++++++++++++++++++++++
> 1 files changed, 26 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-imx/speed-imx53.c b/arch/arm/mach-imx/speed-imx53.c
> index 0d6ac24..a2385fa 100644
> --- a/arch/arm/mach-imx/speed-imx53.c
> +++ b/arch/arm/mach-imx/speed-imx53.c
> @@ -169,6 +169,31 @@ unsigned long imx_get_fecclk(void)
> return imx_get_ipgclk();
> }
>
> +static unsigned long imx_get_ipg_perclk(void)
> +{
> + u32 reg;
> +
> + reg = ccm_readl(MX5_CCM_CBCDR);
> + if (!(reg & MX5_CCM_CBCDR_PERIPH_CLK_SEL))
> + return pll2_sw_get_rate();
> + reg = ccm_readl(MX5_CCM_CBCMR);
> + switch ((reg & MX5_CCM_CBCMR_PERIPH_CLK_SEL_MASK) >>
> + MX5_CCM_CBCMR_PERIPH_CLK_SEL_OFFSET) {
> + case 0:
> + return pll1_main_get_rate();
> + case 1:
> + return pll3_sw_get_rate();
> + /* case 2:
> + TODO : LP_APM */
> + }
> + return 0;
> +}
> +
> +unsigned long imx_get_i2cclk(void)
> +{
> + return imx_get_ipg_perclk();
> +}
> +
> unsigned long imx_get_mmcclk(void)
> {
> u32 reg, prediv, podf, rate;
> @@ -201,4 +226,5 @@ void imx_dump_clocks(void)
> printf("ipg: %ld\n", imx_get_ipgclk());
> printf("fec: %ld\n", imx_get_fecclk());
> printf("gpt: %ld\n", imx_get_gptclk());
> + printf("i2c: %ld\n", imx_get_i2cclk());
> }
> --
> 1.7.7.6
>
>
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