Re: [PATCH V2, 3/4] arm: dts: Add bcm-nsp and bcm958625k support

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Hi Kamal,

Comment inline.

On 16-05-27 01:14 PM, Kamal Dasu wrote:
Adding qspi node compatible with the new spi-bcm-qspi
driver for the broadcom's northstar SoCwq.

Signed-off-by: Kamal Dasu <kdasu.kdev@xxxxxxxxx>
Signed-off-by: Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@xxxxxxxxxxxx>
---
V2 no change
---
  arch/arm/boot/dts/bcm-nsp.dtsi   | 29 +++++++++++++++++++++++++++++
  arch/arm/boot/dts/bcm958625k.dts | 34 ++++++++++++++++++++++++++++++++++
  2 files changed, 63 insertions(+)

diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi
index def9e78..b3082b9 100644
--- a/arch/arm/boot/dts/bcm-nsp.dtsi
+++ b/arch/arm/boot/dts/bcm-nsp.dtsi
@@ -206,6 +206,35 @@
  			brcm,nand-has-wp;
  		};

+		qspi: qspi@27200 {
+			compatible = "brcm,spi-bcm-qspi";
+			reg = <0x027200 0x184>,
+			      <0x027000 0x124>,
+			      <0x11c408 0x004>,
+			      <0x0273a0 0x01c>;
+			reg-names = "mspi", "bspi", "intr_regs", "intr_status_reg";
+			interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "spi_lr_fullness_reached",
+					  "spi_lr_session_aborted",
+					  "spi_lr_impatient",
+					  "spi_lr_session_done",
+					  "spi_lr_overhead",
+					  "mspi_done",
+					  "mspi_halted";
+			clocks = <&iprocmed>;
+			clock-names = "iprocmed";
+			clock-frequency = <12500000>;
+			num-cs = <2>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
  		ccbtimer0: timer@34000 {
  			compatible = "arm,sp804";
  			reg = <0x34000 0x1000>;
diff --git a/arch/arm/boot/dts/bcm958625k.dts b/arch/arm/boot/dts/bcm958625k.dts
index e298450..5aea779 100644
--- a/arch/arm/boot/dts/bcm958625k.dts
+++ b/arch/arm/boot/dts/bcm958625k.dts
@@ -114,3 +114,37 @@
  		groups = "nand_grp";
  	};
  };
+
+&qspi {
+	bspi-sel = <0>;
+	flash: m25p80@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "m25p80";
+		reg = <0x0>;
+		spi-max-frequency = <12500000>;
+		m25p,fast-read;
+		spi-cpol;
+		spi-cpha;
+
+		partition@0 {
+			label = "boot";
+			reg = <0x00000000 0x000a0000>;
+		};
+
+		partition@1 {
+			label = "env";
+			reg = <0x000a0000 0x00060000>;
+		};
+
+		partition@2 {
+			label = "system";
+			reg = <0x00100000 0x00600000>;
+		};
+
+		partition@3 {
+			label = "rootfs";
+			reg = <0x00700000 0x01900000>;
+		};

The partitions are applications specific so should be passed on the boot command line rather than embedded in the dts file.

+	};
+};


Regards,
 Scott
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