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Date: Thu, 7 Jun 2018 11:53:13 -0700
From: Scott Branden <scott.branden@...adcom.com>
To: Florian Fainelli <f.fainelli@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will.deacon@....com>, Ray Jui <rjui@...adcom.com>
Cc: BCM Kernel Feedback <bcm-kernel-feedback-list@...adcom.com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: stingray: use NUM_SATA to configure number of
sata ports
Hi Rob,
Could you please kindly comment on change below.
It allows board variants to be added easily via a simple define for
different number of SATA ports.
On 18-06-04 09:22 AM, Florian Fainelli wrote:
> On 05/18/2018 11:34 AM, Scott Branden wrote:
>> Move remaining sata configuration to stingray-sata.dtsi and enable
>> ports based on NUM_SATA defined.
>> Now, all that needs to be done is define NUM_SATA per board.
> Rob could you review this and let us know if this approach is okay or
> not? Thank you!
>
>> Signed-off-by: Scott Branden <scott.branden@...adcom.com>
>> ---
>> .../boot/dts/broadcom/stingray/bcm958742-base.dtsi | 64 --------------------
>> .../boot/dts/broadcom/stingray/bcm958742k.dts | 2 +
>> .../boot/dts/broadcom/stingray/bcm958742t.dts | 2 +
>> .../boot/dts/broadcom/stingray/stingray-sata.dtsi | 68 ++++++++++++++++++++++
>> 4 files changed, 72 insertions(+), 64 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/broadcom/stingray/bcm958742-base.dtsi b/arch/arm64/boot/dts/broadcom/stingray/bcm958742-base.dtsi
>> index 8862ec9..cacc25e 100644
>> --- a/arch/arm64/boot/dts/broadcom/stingray/bcm958742-base.dtsi
>> +++ b/arch/arm64/boot/dts/broadcom/stingray/bcm958742-base.dtsi
>> @@ -72,70 +72,6 @@
>> <0x00000008 0x80000000 0x1 0x80000000>; /* 6G @ 34G */
>> };
>>
>> -&sata0 {
>> - status = "okay";
>> -};
>> -
>> -&sata_phy0{
>> - status = "okay";
>> -};
>> -
>> -&sata1 {
>> - status = "okay";
>> -};
>> -
>> -&sata_phy1{
>> - status = "okay";
>> -};
>> -
>> -&sata2 {
>> - status = "okay";
>> -};
>> -
>> -&sata_phy2{
>> - status = "okay";
>> -};
>> -
>> -&sata3 {
>> - status = "okay";
>> -};
>> -
>> -&sata_phy3{
>> - status = "okay";
>> -};
>> -
>> -&sata4 {
>> - status = "okay";
>> -};
>> -
>> -&sata_phy4{
>> - status = "okay";
>> -};
>> -
>> -&sata5 {
>> - status = "okay";
>> -};
>> -
>> -&sata_phy5{
>> - status = "okay";
>> -};
>> -
>> -&sata6 {
>> - status = "okay";
>> -};
>> -
>> -&sata_phy6{
>> - status = "okay";
>> -};
>> -
>> -&sata7 {
>> - status = "okay";
>> -};
>> -
>> -&sata_phy7{
>> - status = "okay";
>> -};
>> -
>> &mdio_mux_iproc {
>> mdio@10 {
>> gphy0: eth-phy@10 {
>> diff --git a/arch/arm64/boot/dts/broadcom/stingray/bcm958742k.dts b/arch/arm64/boot/dts/broadcom/stingray/bcm958742k.dts
>> index 77efa28..a515346 100644
>> --- a/arch/arm64/boot/dts/broadcom/stingray/bcm958742k.dts
>> +++ b/arch/arm64/boot/dts/broadcom/stingray/bcm958742k.dts
>> @@ -32,6 +32,8 @@
>>
>> /dts-v1/;
>>
>> +#define NUM_SATA 8
>> +
>> #include "bcm958742-base.dtsi"
>>
>> / {
>> diff --git a/arch/arm64/boot/dts/broadcom/stingray/bcm958742t.dts b/arch/arm64/boot/dts/broadcom/stingray/bcm958742t.dts
>> index 5084b03..6a4d19e 100644
>> --- a/arch/arm64/boot/dts/broadcom/stingray/bcm958742t.dts
>> +++ b/arch/arm64/boot/dts/broadcom/stingray/bcm958742t.dts
>> @@ -32,6 +32,8 @@
>>
>> /dts-v1/;
>>
>> +#define NUM_SATA 8
>> +
>> #include "bcm958742-base.dtsi"
>>
>> / {
>> diff --git a/arch/arm64/boot/dts/broadcom/stingray/stingray-sata.dtsi b/arch/arm64/boot/dts/broadcom/stingray/stingray-sata.dtsi
>> index 8c68e0c..7f6d176 100644
>> --- a/arch/arm64/boot/dts/broadcom/stingray/stingray-sata.dtsi
>> +++ b/arch/arm64/boot/dts/broadcom/stingray/stingray-sata.dtsi
>> @@ -43,7 +43,11 @@
>> interrupts = <GIC_SPI 321 IRQ_TYPE_LEVEL_HIGH>;
>> #address-cells = <1>;
>> #size-cells = <0>;
>> +#if (NUM_SATA > 0)
>> + status = "okay";
>> +#else
>> status = "disabled";
>> +#endif
>>
>> sata0_port0: sata-port@0 {
>> reg = <0>;
>> @@ -58,7 +62,11 @@
>> reg-names = "phy";
>> #address-cells = <1>;
>> #size-cells = <0>;
>> +#if (NUM_SATA > 0)
>> + status = "okay";
>> +#else
>> status = "disabled";
>> +#endif
>>
>> sata0_phy0: sata-phy@0 {
>> reg = <0>;
>> @@ -73,7 +81,11 @@
>> interrupts = <GIC_SPI 323 IRQ_TYPE_LEVEL_HIGH>;
>> #address-cells = <1>;
>> #size-cells = <0>;
>> +#if (NUM_SATA > 1)
>> + status = "okay";
>> +#else
>> status = "disabled";
>> +#endif
>>
>> sata1_port0: sata-port@0 {
>> reg = <0>;
>> @@ -88,7 +100,11 @@
>> reg-names = "phy";
>> #address-cells = <1>;
>> #size-cells = <0>;
>> +#if (NUM_SATA > 1)
>> + status = "okay";
>> +#else
>> status = "disabled";
>> +#endif
>>
>> sata1_phy0: sata-phy@0 {
>> reg = <0>;
>> @@ -103,7 +119,11 @@
>> interrupts = <GIC_SPI 325 IRQ_TYPE_LEVEL_HIGH>;
>> #address-cells = <1>;
>> #size-cells = <0>;
>> +#if (NUM_SATA > 2)
>> + status = "okay";
>> +#else
>> status = "disabled";
>> +#endif
>>
>> sata2_port0: sata-port@0 {
>> reg = <0>;
>> @@ -118,7 +138,11 @@
>> reg-names = "phy";
>> #address-cells = <1>;
>> #size-cells = <0>;
>> +#if (NUM_SATA > 2)
>> + status = "okay";
>> +#else
>> status = "disabled";
>> +#endif
>>
>> sata2_phy0: sata-phy@0 {
>> reg = <0>;
>> @@ -133,7 +157,11 @@
>> interrupts = <GIC_SPI 327 IRQ_TYPE_LEVEL_HIGH>;
>> #address-cells = <1>;
>> #size-cells = <0>;
>> +#if (NUM_SATA > 3)
>> + status = "okay";
>> +#else
>> status = "disabled";
>> +#endif
>>
>> sata3_port0: sata-port@0 {
>> reg = <0>;
>> @@ -148,7 +176,11 @@
>> reg-names = "phy";
>> #address-cells = <1>;
>> #size-cells = <0>;
>> +#if (NUM_SATA > 3)
>> + status = "okay";
>> +#else
>> status = "disabled";
>> +#endif
>>
>> sata3_phy0: sata-phy@0 {
>> reg = <0>;
>> @@ -163,7 +195,11 @@
>> interrupts = <GIC_SPI 329 IRQ_TYPE_LEVEL_HIGH>;
>> #address-cells = <1>;
>> #size-cells = <0>;
>> +#if (NUM_SATA > 4)
>> + status = "okay";
>> +#else
>> status = "disabled";
>> +#endif
>>
>> sata4_port0: sata-port@0 {
>> reg = <0>;
>> @@ -178,7 +214,11 @@
>> reg-names = "phy";
>> #address-cells = <1>;
>> #size-cells = <0>;
>> +#if (NUM_SATA > 4)
>> + status = "okay";
>> +#else
>> status = "disabled";
>> +#endif
>>
>> sata4_phy0: sata-phy@0 {
>> reg = <0>;
>> @@ -193,7 +233,11 @@
>> interrupts = <GIC_SPI 331 IRQ_TYPE_LEVEL_HIGH>;
>> #address-cells = <1>;
>> #size-cells = <0>;
>> +#if (NUM_SATA > 5)
>> + status = "okay";
>> +#else
>> status = "disabled";
>> +#endif
>>
>> sata5_port0: sata-port@0 {
>> reg = <0>;
>> @@ -208,7 +252,11 @@
>> reg-names = "phy";
>> #address-cells = <1>;
>> #size-cells = <0>;
>> +#if (NUM_SATA > 5)
>> + status = "okay";
>> +#else
>> status = "disabled";
>> +#endif
>>
>> sata5_phy0: sata-phy@0 {
>> reg = <0>;
>> @@ -223,7 +271,11 @@
>> interrupts = <GIC_SPI 333 IRQ_TYPE_LEVEL_HIGH>;
>> #address-cells = <1>;
>> #size-cells = <0>;
>> +#if (NUM_SATA > 6)
>> + status = "okay";
>> +#else
>> status = "disabled";
>> +#endif
>>
>> sata6_port0: sata-port@0 {
>> reg = <0>;
>> @@ -238,7 +290,11 @@
>> reg-names = "phy";
>> #address-cells = <1>;
>> #size-cells = <0>;
>> +#if (NUM_SATA > 6)
>> + status = "okay";
>> +#else
>> status = "disabled";
>> +#endif
>>
>> sata6_phy0: sata-phy@0 {
>> reg = <0>;
>> @@ -253,7 +309,11 @@
>> interrupts = <GIC_SPI 335 IRQ_TYPE_LEVEL_HIGH>;
>> #address-cells = <1>;
>> #size-cells = <0>;
>> +#if (NUM_SATA > 7)
>> + status = "okay";
>> +#else
>> status = "disabled";
>> +#endif
>>
>> sata7_port0: sata-port@0 {
>> reg = <0>;
>> @@ -268,11 +328,19 @@
>> reg-names = "phy";
>> #address-cells = <1>;
>> #size-cells = <0>;
>> +#if (NUM_SATA > 7)
>> + status = "okay";
>> +#else
>> status = "disabled";
>> +#endif
>>
>> sata7_phy0: sata-phy@0 {
>> reg = <0>;
>> #phy-cells = <0>;
>> };
>> };
>> +
>> +#if (NUM_SATA > 8)
>> +#error "NUM_SATA > 8"
>> +#endif
>> };
>>
>
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