[PATCH 2/4] arm/dts: OMAP4: Add SPI controller nodes
Grant Likely
grant.likely at secretlab.ca
Thu Feb 16 07:02:40 EST 2012
On Wed, Feb 15, 2012 at 06:37:35PM +0100, Benoit Cousson wrote:
> Add the 4 McSPI controller nodes present in an OMAP4 device.
>
> Remove SPI static device initialisation if DT is populated.
>
> Signed-off-by: Benoit Cousson <b-cousson at ti.com>
> Cc: Grant Likely <grant.likely at secretlab.ca>
> ---
> arch/arm/boot/dts/omap4.dtsi | 32 ++++++++++++++++++++++++++++++++
> arch/arm/mach-omap2/devices.c | 4 +++-
> 2 files changed, 35 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
> index 4b81f03..7fc0cbe 100644
> --- a/arch/arm/boot/dts/omap4.dtsi
> +++ b/arch/arm/boot/dts/omap4.dtsi
> @@ -209,5 +209,37 @@
> #size-cells = <0>;
> ti,hwmods = "i2c4";
> };
> +
> + mcspi1: mcspi at 1 {
> + compatible = "ti,omap4-mcspi";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + ti,hwmods = "mcspi1";
> + ti,spi-num-cs = <4>;
No reg or interrupts properties? And the @<num> in the name must match the
first entry in a reg property. This looks wrong.
> + };
> +
> + mcspi2: mcspi at 2 {
> + compatible = "ti,omap4-mcspi";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + ti,hwmods = "mcspi2";
> + ti,spi-num-cs = <2>;
> + };
> +
> + mcspi3: mcspi at 3 {
> + compatible = "ti,omap4-mcspi";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + ti,hwmods = "mcspi3";
> + ti,spi-num-cs = <2>;
> + };
> +
> + mcspi4: mcspi at 4 {
> + compatible = "ti,omap4-mcspi";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + ti,hwmods = "mcspi4";
> + ti,spi-num-cs = <1>;
> + };
> };
> };
> diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
> index 283d11e..8a489ba 100644
> --- a/arch/arm/mach-omap2/devices.c
> +++ b/arch/arm/mach-omap2/devices.c
> @@ -725,7 +725,9 @@ static int __init omap2_init_devices(void)
> omap_init_dmic();
> omap_init_camera();
> omap_init_mbox();
> - omap_init_mcspi();
> + /* If dtb is there, the devices will be created dynamically */
> + if (!of_have_populated_dt())
> + omap_init_mcspi();
> omap_init_pmu();
> omap_hdq_init();
> omap_init_sti();
> --
> 1.7.0.4
>
>
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