From: Sascha Hauer <s.hauer@pengutronix.de>
To: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] ARM i.MX: Add support for i2c on imx6
Date: Thu, 9 Aug 2012 09:35:15 +0200 [thread overview]
Message-ID: <20120809073515.GT1451@pengutronix.de> (raw)
In-Reply-To: <1344329099-8528-1-git-send-email-s.trumtrar@pengutronix.de>
On Tue, Aug 07, 2012 at 10:44:59AM +0200, Steffen Trumtrar wrote:
> Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Applied, thanks
Sascha
> ---
> Hi all,
>
> this patch adds support for i2c on imx6. The patch was tested on a sabrelite
> board, where I measured SCL and SDATA, as there are no devices connected (apart
> from an sgtl5000).
>
> arch/arm/mach-imx/include/mach/devices-imx6.h | 15 +++++++++++++++
> arch/arm/mach-imx/speed-imx6.c | 6 ++++++
> 2 files changed, 21 insertions(+)
>
> diff --git a/arch/arm/mach-imx/include/mach/devices-imx6.h b/arch/arm/mach-imx/include/mach/devices-imx6.h
> index ca063c5..c73e488 100644
> --- a/arch/arm/mach-imx/include/mach/devices-imx6.h
> +++ b/arch/arm/mach-imx/include/mach/devices-imx6.h
> @@ -49,3 +49,18 @@ static inline struct device_d *imx6_add_spi0(struct spi_imx_master *pdata)
> {
> return imx_add_spi((void *)MX6_ECSPI1_BASE_ADDR, 0, pdata);
> }
> +
> +static inline struct device_d *imx6_add_i2c0(struct i2c_platform_data *pdata)
> +{
> + return imx_add_i2c((void *)MX6_I2C1_BASE_ADDR, 0, pdata);
> +}
> +
> +static inline struct device_d *imx6_add_i2c1(struct i2c_platform_data *pdata)
> +{
> + return imx_add_i2c((void *)MX6_I2C2_BASE_ADDR, 1, pdata);
> +}
> +
> +static inline struct device_d *imx6_add_i2c2(struct i2c_platform_data *pdata)
> +{
> + return imx_add_i2c((void *)MX6_I2C3_BASE_ADDR, 2, pdata);
> +}
> diff --git a/arch/arm/mach-imx/speed-imx6.c b/arch/arm/mach-imx/speed-imx6.c
> index df24545..645b2c9 100644
> --- a/arch/arm/mach-imx/speed-imx6.c
> +++ b/arch/arm/mach-imx/speed-imx6.c
> @@ -332,6 +332,11 @@ u32 imx_get_fecclk(void)
> return __get_ipg_clk();
> }
>
> +u32 imx_get_i2cclk(void)
> +{
> + return __get_ipg_per_clk();
> +}
> +
> u32 imx_get_cspiclk(void)
> {
> return __get_cspi_clk();
> @@ -351,6 +356,7 @@ void imx_dump_clocks(void)
> printf("mx6q pll8: %d\n", freq);
> printf("mcu main: %d\n", __get_mcu_main_clk());
> printf("periph: %d\n", __get_periph_clk());
> + printf("i2c: %d\n", __get_ipg_per_clk());
> printf("ipg: %d\n", __get_ipg_clk());
> printf("ipg per: %d\n", __get_ipg_per_clk());
> printf("cspi: %d\n", __get_cspi_clk());
> --
> 1.7.10.4
>
>
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prev parent reply other threads:[~2012-08-09 7:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-07 8:44 Steffen Trumtrar
2012-08-09 7:35 ` Sascha Hauer [this message]
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