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SubjectRe: [RESEND PATCH 3/6] ARM: dts: imx7s: add CAAM device node
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On 24/01/18 18:12, Auer, Lukas wrote:
> On Wed, 2018-01-24 at 14:50 +0000, Bryan O'Donoghue wrote:
>> From: Rui Miguel Silva <rui.silva@linaro.org>
>>
>> Add CAAM device node to the i.MX7s device tree.
>>
>> Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
>> Cc: "Horia Geantă" <horia.geanta@nxp.com>
>> Cc: Aymen Sghaier <aymen.sghaier@nxp.com>
>> Cc: Fabio Estevam <fabio.estevam@nxp.com>
>> Cc: Peng Fan <peng.fan@nxp.com>
>> Cc: Herbert Xu <herbert@gondor.apana.org.au>
>> Cc: "David S. Miller" <davem@davemloft.net>
>> Cc: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
>> Signed-off-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
>> ---
>> arch/arm/boot/dts/imx7s.dtsi | 26 ++++++++++++++++++++++++++
>> 1 file changed, 26 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/imx7s.dtsi
>> b/arch/arm/boot/dts/imx7s.dtsi
>> index 82ad26e..0da146e 100644
>> --- a/arch/arm/boot/dts/imx7s.dtsi
>> +++ b/arch/arm/boot/dts/imx7s.dtsi
>> @@ -805,6 +805,32 @@
>> status = "disabled";
>> };
>>
>> + crypto: caam@30900000 {
>> + compatible = "fsl,sec-v4.0";
>> + fsl,sec-era = <4>;
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> + reg = <0x30900000 0x10000>;
>> + ranges = <0 0x30900000 0x10000>;
>> + clocks = <&clks IMX7D_CAAM_MEM_CLK>,
>> + <&clks
>> IMX7D_CAAM_ACLK_CLK>,
>> + <&clks IMX7D_CAAM_IPG_CLK>,
>> + <&clks IMX7D_EIM_ROOT_CLK>;
>> + clock-names = "mem", "aclk", "ipg",
>> "emi_slow";
>> +
>> + sec_jr0: jr0@1000 {
>> + compatible = "fsl,sec-v4.0-
>> job-ring";
>> + reg = <0x1000 0x1000>;
>> + interrupts = <GIC_SPI 105
>> IRQ_TYPE_LEVEL_HIGH>;
>> + };
>> +
>> + sec_jr1: jr1@2000 {
>> + compatible = "fsl,sec-v4.0-
>> job-ring";
>> + reg = <0x2000 0x1000>;
>> + interrupts = <GIC_SPI 106
>> IRQ_TYPE_LEVEL_HIGH>;
>> + };
>> + };
>> +
>> flexcan1: can@30a00000 {
>> compatible = "fsl,imx7d-flexcan",
>> "fsl,imx6q-flexcan";
>> reg = <0x30a00000 0x10000>;
>
> Looking at the device tree from the NXP kernel [1], the job ring and
> clock configurations should be slightly different.
>
> The job ring configuration has one additional job ring at offset 3000
> and interrupt 114.

Yes true, that should be added.

We will do that in v2, thanks for spotting.

> The clock configuration has changed to just one CAAM-specific clock in
> addition to the ahb clock. This also means that additional
> modifications to the CAAM driver are necessary or it will complain that
> it doesn't find all clocks.

Sure - but, those clock changes aren't merged to upstream just yet, so
we won't those changes to this DTS addition yet.

Thanks for the review.

---
bod

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