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Date: Tue, 28 Feb 2017 16:00:26 +0900
From: Jaehoon Chung <jh80.chung@...sung.com>
To: linux-samsung-soc@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, krzk@...nel.org, kgene@...nel.org,
robh+dt@...nel.org, javier@....samsung.com,
niyas.ahmed@...sung.com, alim.akhtar@...sung.com,
pankaj.dubey@...sung.com, Jaehoon Chung <jh80.chung@...sung.com>
Subject: [PATCH V3] ARM: dts: exynos5440: support the phy-pcie node for pcie
Add pcie-phy node for using phy-exynos-pcie.
There are some modifications.
1. Remove the configuration space values in "ranges" property.
- The getting configuration space from ranges is old way.
- Instead, It can be got from "config"
2. Use the reg-names as "elbi", "config".
- Can know the purpose of use with reg-names.
Signed-off-by: Jaehoon Chung <jh80.chung@...sung.com>
Reviewed-by: Pankaj Dubey <pankaj.dubey@...sung.com>
---
Changelog on V3:
- Split from the patches relevant to pcie
- Modify the commit-message
- Keep the original comment in dt-file
- Send this patch after applying the other patches
Changelog on V2:
- Removes the child-node
- Fixes the typo
- Removes the unnecessary comments
arch/arm/boot/dts/exynos5440.dtsi | 30 ++++++++++++++++++++----------
1 file changed, 20 insertions(+), 10 deletions(-)
diff --git a/arch/arm/boot/dts/exynos5440.dtsi b/arch/arm/boot/dts/exynos5440.dtsi
index 2a2e570..a7165b5 100644
--- a/arch/arm/boot/dts/exynos5440.dtsi
+++ b/arch/arm/boot/dts/exynos5440.dtsi
@@ -290,11 +290,22 @@
clock-names = "usbhost";
};
+ pcie_phy0: pcie-phy@...000 {
+ #phy-cells = <0>;
+ compatible = "samsung,exynos5440-pcie-phy";
+ reg = <0x270000 0x1000>, <0x271000 0x40>;
+ };
+
+ pcie_phy1: pcie-phy@...000 {
+ #phy-cells = <0>;
+ compatible = "samsung,exynos5440-pcie-phy";
+ reg = <0x272000 0x1000>, <0x271040 0x40>;
+ };
+
pcie_0: pcie@...000 {
compatible = "samsung,exynos5440-pcie", "snps,dw-pcie";
- reg = <0x290000 0x1000
- 0x270000 0x1000
- 0x271000 0x40>;
+ reg = <0x290000 0x1000>, <0x40000000 0x1000>;
+ reg-names = "elbi", "config";
interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
@@ -303,8 +314,8 @@
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
- ranges = <0x00000800 0 0x40000000 0x40000000 0 0x00001000 /* configuration space */
- 0x81000000 0 0 0x40001000 0 0x00010000 /* downstream I/O */
+ phys = <&pcie_phy0>;
+ ranges = <0x81000000 0 0 0x40001000 0 0x00010000 /* downstream I/O */
0x82000000 0 0x40011000 0x40011000 0 0x1ffef000>; /* non-prefetchable memory */
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 0>;
@@ -315,9 +326,8 @@
pcie_1: pcie@...000 {
compatible = "samsung,exynos5440-pcie", "snps,dw-pcie";
- reg = <0x2a0000 0x1000
- 0x272000 0x1000
- 0x271040 0x40>;
+ reg = <0x2a0000 0x1000>, <0x60000000 0x1000>;
+ reg-names = "elbi", "config";
interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
@@ -326,8 +336,8 @@
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
- ranges = <0x00000800 0 0x60000000 0x60000000 0 0x00001000 /* configuration space */
- 0x81000000 0 0 0x60001000 0 0x00010000 /* downstream I/O */
+ phys = <&pcie_phy1>;
+ ranges = <0x81000000 0 0 0x60001000 0 0x00010000 /* downstream I/O */
0x82000000 0 0x60011000 0x60011000 0 0x1ffef000>; /* non-prefetchable memory */
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 0>;
--
2.10.2
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