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From: Corentin Labbe <clabbe.montjoie@gmail.com>
To: axboe@kernel.dk, hdegoede@redhat.com, mark.rutland@arm.com,
maxime.ripard@bootlin.com, robh+dt@kernel.org, wens@csie.org
Subject: [PATCH v5 1/9] dt-bindings: ata: ahci-platform: fix indentation of
target-supply
Date: Mon, 3 Sep 2018 12:01:53 +0200
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This patch fix the indentation of target-supply's ':'.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
Documentation/devicetree/bindings/ata/ahci-platform.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt
index 5d5bd456d9d9..b88820b4c01e 100644
--- a/Documentation/devicetree/bindings/ata/ahci-platform.txt
+++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt
@@ -47,7 +47,7 @@ Sub-nodes required properties:
- reg : the port number
And at least one of the following properties:
- phys : reference to the SATA PHY node
-- target-supply : regulator for SATA target power
+- target-supply : regulator for SATA target power
Examples:
sata@ffe08000 {
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From: Corentin Labbe <clabbe.montjoie@gmail.com>
To: axboe@kernel.dk, hdegoede@redhat.com, mark.rutland@arm.com,
maxime.ripard@bootlin.com, robh+dt@kernel.org, wens@csie.org
Subject: [PATCH v5 2/9] ata: ahci_platform: add support for AHCI controller
regulator
Date: Mon, 3 Sep 2018 12:01:54 +0200
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The SoC R40 AHCI controller need a regulator to work.
So this patch add a way to add an optional regulator on AHCI controller.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
drivers/ata/ahci.h | 1 +
drivers/ata/libahci_platform.c | 26 ++++++++++++++++++++++++--
2 files changed, 25 insertions(+), 2 deletions(-)
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 6a1515f0da40..1415f1012de5 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -352,6 +352,7 @@ struct ahci_host_priv {
struct clk *clks[AHCI_MAX_CLKS]; /* Optional */
struct reset_control *rsts; /* Optional */
struct regulator **target_pwrs; /* Optional */
+ struct regulator *ahci_regulator;/* Optional */
/*
* If platform uses PHYs. There is a 1:1 relation between the port number and
* the PHY position in this array.
diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c
index c92c10d55374..a886b61476a3 100644
--- a/drivers/ata/libahci_platform.c
+++ b/drivers/ata/libahci_platform.c
@@ -139,7 +139,7 @@ EXPORT_SYMBOL_GPL(ahci_platform_disable_clks);
* ahci_platform_enable_regulators - Enable regulators
* @hpriv: host private area to store config values
*
- * This function enables all the regulators found in
+ * This function enables all the regulators found in controller and
* hpriv->target_pwrs, if any. If a regulator fails to be enabled, it
* disables all the regulators already enabled in reverse order and
* returns an error.
@@ -151,6 +151,12 @@ int ahci_platform_enable_regulators(struct ahci_host_priv *hpriv)
{
int rc, i;
+ if (hpriv->ahci_regulator) {
+ rc = regulator_enable(hpriv->ahci_regulator);
+ if (rc)
+ return rc;
+ }
+
for (i = 0; i < hpriv->nports; i++) {
if (!hpriv->target_pwrs[i])
continue;
@@ -167,6 +173,8 @@ int ahci_platform_enable_regulators(struct ahci_host_priv *hpriv)
if (hpriv->target_pwrs[i])
regulator_disable(hpriv->target_pwrs[i]);
+ if (hpriv->ahci_regulator)
+ regulator_disable(hpriv->ahci_regulator);
return rc;
}
EXPORT_SYMBOL_GPL(ahci_platform_enable_regulators);
@@ -175,7 +183,8 @@ EXPORT_SYMBOL_GPL(ahci_platform_enable_regulators);
* ahci_platform_disable_regulators - Disable regulators
* @hpriv: host private area to store config values
*
- * This function disables all regulators found in hpriv->target_pwrs.
+ * This function disables all regulators found in hpriv->target_pwrs and
+ * AHCI controller.
*/
void ahci_platform_disable_regulators(struct ahci_host_priv *hpriv)
{
@@ -186,6 +195,9 @@ void ahci_platform_disable_regulators(struct ahci_host_priv *hpriv)
continue;
regulator_disable(hpriv->target_pwrs[i]);
}
+
+ if (hpriv->ahci_regulator)
+ regulator_disable(hpriv->ahci_regulator);
}
EXPORT_SYMBOL_GPL(ahci_platform_disable_regulators);
/**
@@ -351,6 +363,7 @@ static int ahci_platform_get_regulator(struct ahci_host_priv *hpriv, u32 port,
*
* 1) mmio registers (IORESOURCE_MEM 0, mandatory)
* 2) regulator for controlling the targets power (optional)
+ * regulator for controlling the AHCI controller (optional)
* 3) 0 - AHCI_MAX_CLKS clocks, as specified in the devs devicetree node,
* or for non devicetree enabled platforms a single clock
* 4) resets, if flags has AHCI_PLATFORM_GET_RESETS (optional)
@@ -408,6 +421,15 @@ struct ahci_host_priv *ahci_platform_get_resources(struct platform_device *pdev,
hpriv->clks[i] = clk;
}
+ hpriv->ahci_regulator = devm_regulator_get_optional(dev, "ahci");
+ if (IS_ERR(hpriv->ahci_regulator)) {
+ rc = PTR_ERR(hpriv->ahci_regulator);
+ if (rc == -EPROBE_DEFER)
+ goto err_out;
+ rc = 0;
+ hpriv->ahci_regulator = NULL;
+ }
+
if (flags & AHCI_PLATFORM_GET_RESETS) {
hpriv->rsts = devm_reset_control_array_get_optional_shared(dev);
if (IS_ERR(hpriv->rsts)) {
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From: Corentin Labbe <clabbe.montjoie@gmail.com>
To: axboe@kernel.dk, hdegoede@redhat.com, mark.rutland@arm.com,
maxime.ripard@bootlin.com, robh+dt@kernel.org, wens@csie.org
Subject: [PATCH v5 3/9] dt-bindings: ata: ahci-platform: document ahci-supply
Date: Mon, 3 Sep 2018 12:01:55 +0200
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This patch document the new optional ahci-supply.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
Documentation/devicetree/bindings/ata/ahci-platform.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt
index b88820b4c01e..f495774c8af9 100644
--- a/Documentation/devicetree/bindings/ata/ahci-platform.txt
+++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt
@@ -33,6 +33,7 @@ Optional properties:
- target-supply : regulator for SATA target power
- phys : reference to the SATA PHY node
- phy-names : must be "sata-phy"
+- ahci-supply : regulator for AHCI controller
- ports-implemented : Mask that indicates which ports that the HBA supports
are available for software to use. Useful if PORTS_IMPL
is not programmed by the BIOS, which is true with
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From: Corentin Labbe <clabbe.montjoie@gmail.com>
To: axboe@kernel.dk, hdegoede@redhat.com, mark.rutland@arm.com,
maxime.ripard@bootlin.com, robh+dt@kernel.org, wens@csie.org
Subject: [PATCH v5 4/9] ata: ahci_platform: add support for PHY controller
regulator
Date: Mon, 3 Sep 2018 12:01:56 +0200
Message-Id: <20180903100201.23131-5-clabbe.montjoie@gmail.com>
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The SoC R40 AHCI controller need a PHY regulator to work.
But since the PHY is embedded in the controller, we cannot do a DT node for it,
since phy-supply works only in node with a PHY compatible.
So this patch adds a way to add an optional phy-supply regulator on AHCI controller node.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
drivers/ata/ahci.h | 1 +
drivers/ata/libahci_platform.c | 20 ++++++++++++++++++++
2 files changed, 21 insertions(+)
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 1415f1012de5..ef356e70e6de 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -353,6 +353,7 @@ struct ahci_host_priv {
struct reset_control *rsts; /* Optional */
struct regulator **target_pwrs; /* Optional */
struct regulator *ahci_regulator;/* Optional */
+ struct regulator *phy_regulator;/* Optional */
/*
* If platform uses PHYs. There is a 1:1 relation between the port number and
* the PHY position in this array.
diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c
index a886b61476a3..dc4d79b1c9ae 100644
--- a/drivers/ata/libahci_platform.c
+++ b/drivers/ata/libahci_platform.c
@@ -157,6 +157,12 @@ int ahci_platform_enable_regulators(struct ahci_host_priv *hpriv)
return rc;
}
+ if (hpriv->phy_regulator) {
+ rc = regulator_enable(hpriv->phy_regulator);
+ if (rc)
+ goto disable_ahci_pwrs;
+ }
+
for (i = 0; i < hpriv->nports; i++) {
if (!hpriv->target_pwrs[i])
continue;
@@ -173,6 +179,9 @@ int ahci_platform_enable_regulators(struct ahci_host_priv *hpriv)
if (hpriv->target_pwrs[i])
regulator_disable(hpriv->target_pwrs[i]);
+ if (hpriv->phy_regulator)
+ regulator_disable(hpriv->phy_regulator);
+disable_ahci_pwrs:
if (hpriv->ahci_regulator)
regulator_disable(hpriv->ahci_regulator);
return rc;
@@ -198,6 +207,8 @@ void ahci_platform_disable_regulators(struct ahci_host_priv *hpriv)
if (hpriv->ahci_regulator)
regulator_disable(hpriv->ahci_regulator);
+ if (hpriv->phy_regulator)
+ regulator_disable(hpriv->phy_regulator);
}
EXPORT_SYMBOL_GPL(ahci_platform_disable_regulators);
/**
@@ -430,6 +441,15 @@ struct ahci_host_priv *ahci_platform_get_resources(struct platform_device *pdev,
hpriv->ahci_regulator = NULL;
}
+ hpriv->phy_regulator = devm_regulator_get_optional(dev, "phy");
+ if (IS_ERR(hpriv->phy_regulator)) {
+ rc = PTR_ERR(hpriv->phy_regulator);
+ if (rc == -EPROBE_DEFER)
+ goto err_out;
+ rc = 0;
+ hpriv->phy_regulator = NULL;
+ }
+
if (flags & AHCI_PLATFORM_GET_RESETS) {
hpriv->rsts = devm_reset_control_array_get_optional_shared(dev);
if (IS_ERR(hpriv->rsts)) {
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From: Corentin Labbe <clabbe.montjoie@gmail.com>
To: axboe@kernel.dk, hdegoede@redhat.com, mark.rutland@arm.com,
maxime.ripard@bootlin.com, robh+dt@kernel.org, wens@csie.org
Subject: [PATCH v5 5/9] dt-bindings: ata: ahci-platform: document phy-supply
Date: Mon, 3 Sep 2018 12:01:57 +0200
Message-Id: <20180903100201.23131-6-clabbe.montjoie@gmail.com>
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This patch document the new optional phy-supply.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
Documentation/devicetree/bindings/ata/ahci-platform.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt
index f495774c8af9..45b451961612 100644
--- a/Documentation/devicetree/bindings/ata/ahci-platform.txt
+++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt
@@ -31,6 +31,7 @@ Optional properties:
- clocks : a list of phandle + clock specifier pairs
- resets : a list of phandle + reset specifier pairs
- target-supply : regulator for SATA target power
+- phy-supply : regulator for PHY power
- phys : reference to the SATA PHY node
- phy-names : must be "sata-phy"
- ahci-supply : regulator for AHCI controller
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From: Corentin Labbe <clabbe.montjoie@gmail.com>
To: axboe@kernel.dk, hdegoede@redhat.com, mark.rutland@arm.com,
maxime.ripard@bootlin.com, robh+dt@kernel.org, wens@csie.org
Subject: [PATCH v5 6/9] ata: ahci_sunxi: add support for r40
Date: Mon, 3 Sep 2018 12:01:58 +0200
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This patch add the r40 compatible to the ahci_sunxi's supported list of
compatible.
Since R40 need ahci_platform to handle the reset controller, we also add
the new AHCI_PLATFORM_GET_RESETS flag for ahci_platform_get_resources().
This has no consequence for older platform (a10, a20) since the reset is
optional.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
drivers/ata/ahci_sunxi.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/ata/ahci_sunxi.c b/drivers/ata/ahci_sunxi.c
index 631610b72aa5..911710643305 100644
--- a/drivers/ata/ahci_sunxi.c
+++ b/drivers/ata/ahci_sunxi.c
@@ -181,7 +181,7 @@ static int ahci_sunxi_probe(struct platform_device *pdev)
struct ahci_host_priv *hpriv;
int rc;
- hpriv = ahci_platform_get_resources(pdev, 0);
+ hpriv = ahci_platform_get_resources(pdev, AHCI_PLATFORM_GET_RESETS);
if (IS_ERR(hpriv))
return PTR_ERR(hpriv);
@@ -250,6 +250,7 @@ static SIMPLE_DEV_PM_OPS(ahci_sunxi_pm_ops, ahci_platform_suspend,
static const struct of_device_id ahci_sunxi_of_match[] = {
{ .compatible = "allwinner,sun4i-a10-ahci", },
+ { .compatible = "allwinner,sun8i-r40-ahci", },
{ },
};
MODULE_DEVICE_TABLE(of, ahci_sunxi_of_match);
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From: Corentin Labbe <clabbe.montjoie@gmail.com>
To: axboe@kernel.dk, hdegoede@redhat.com, mark.rutland@arm.com,
maxime.ripard@bootlin.com, robh+dt@kernel.org, wens@csie.org
Subject: [PATCH v5 7/9] dt-bindings: ata: update ahci_sunxi bindings
Date: Mon, 3 Sep 2018 12:01:59 +0200
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This patch update binding with the new R40 compatible.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
Documentation/devicetree/bindings/ata/ahci-platform.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt
index 45b451961612..e30fd106df4f 100644
--- a/Documentation/devicetree/bindings/ata/ahci-platform.txt
+++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt
@@ -10,6 +10,7 @@ PHYs.
Required properties:
- compatible : compatible string, one of:
- "allwinner,sun4i-a10-ahci"
+ - "allwinner,sun8i-r40-ahci"
- "brcm,iproc-ahci"
- "hisilicon,hisi-ahci"
- "cavium,octeon-7130-ahci"
@@ -44,6 +45,7 @@ Required properties when using sub-nodes:
- #address-cells : number of cells to encode an address
- #size-cells : number of cells representing the size of an address
+For allwinner,sun8i-r40-ahci, the reset propertie must be present.
Sub-nodes required properties:
- reg : the port number
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From: Corentin Labbe <clabbe.montjoie@gmail.com>
To: axboe@kernel.dk, hdegoede@redhat.com, mark.rutland@arm.com,
maxime.ripard@bootlin.com, robh+dt@kernel.org, wens@csie.org
Subject: [PATCH v5 8/9] ARM: dts: sun8i: r40: add sata node
Date: Mon, 3 Sep 2018 12:02:00 +0200
Message-Id: <20180903100201.23131-9-clabbe.montjoie@gmail.com>
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Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-ide@vger.kernel.org, linux-sunxi@googlegroups.com,
Corentin Labbe <clabbe.montjoie@gmail.com>,
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R40 have a sata controller which is the same as A20.
This patch adds a DT node for it.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
arch/arm/boot/dts/sun8i-r40.dtsi | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index 852c2ccc3268..d27c522e1918 100644
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi
@@ -550,6 +550,19 @@
#size-cells = <0>;
};
+ ahci: sata@1c18000 {
+ compatible = "allwinner,sun8i-r40-ahci";
+ reg = <0x01c18000 0x1000>;
+ interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu CLK_BUS_SATA>, <&ccu CLK_SATA>;
+ resets = <&ccu RST_BUS_SATA>;
+ resets-name = "ahci";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+
+ };
+
gmac: ethernet@1c50000 {
compatible = "allwinner,sun8i-r40-gmac";
syscon = <&ccu>;
From patchwork Mon Sep 3 10:02:01 2018
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X-Patchwork-Submitter: Corentin Labbe <clabbe.montjoie@gmail.com>
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From: Corentin Labbe <clabbe.montjoie@gmail.com>
To: axboe@kernel.dk, hdegoede@redhat.com, mark.rutland@arm.com,
maxime.ripard@bootlin.com, robh+dt@kernel.org, wens@csie.org
Subject: [PATCH v5 9/9] ARM: dts: sun8i: sun8i-r40-bananapi-m2-ultra: enable
AHCI
Date: Mon, 3 Sep 2018 12:02:01 +0200
Message-Id: <20180903100201.23131-10-clabbe.montjoie@gmail.com>
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This patch enable the AHCI controller.
Since this controller need two regulator, this patch add them.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
index a891a387e8f1..438b7b44dab3 100644
--- a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
+++ b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
@@ -105,6 +105,12 @@
};
};
+&ahci {
+ ahci-supply = <®_dldo4>;
+ phy-supply = <®_eldo3>;
+ status = "okay";
+};
+
&de {
status = "okay";
};
@@ -250,6 +256,18 @@
regulator-name = "vcc-wifi";
};
+®_dldo4 {
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ regulator-name = "vdd2v5-sata";
+};
+
+®_eldo3 {
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-name = "vdd1v2-sata";
+};
+
&tcon_tv0 {
status = "okay";
};
From b9f6b80e04ad061ff4e12bdb72ea21af3518d79f Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime.ripard@bootlin.com>
Date: Mon, 25 Mar 2019 14:52:44 +0100
Subject: ARM: dts: sun8i: r40: Fix AHCI reset-names property
The AHCI node was introduced with a typo in the reset-names property that
got written resets-name instead.
This was working because the reset is optional for that driver, and the
controller was put out of reset by the bootloader.
Fixes: 41c64d3318aa ("ARM: dts: sun8i: r40: add sata node")
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
---
arch/arm/boot/dts/sun8i-r40.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'arch/arm/boot/dts/sun8i-r40.dtsi')
diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index 1061d46efafd..9784c23346a8 100644
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi
@@ -562,7 +562,7 @@
interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu CLK_BUS_SATA>, <&ccu CLK_SATA>;
resets = <&ccu RST_BUS_SATA>;
- resets-name = "ahci";
+ reset-names = "ahci";
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
--
cgit 1.2-0.3.lf.el7
From 327384569871e7e3ed637d89726abacda3902098 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime.ripard@bootlin.com>
Date: Mon, 25 Mar 2019 14:52:45 +0100
Subject: ARM: dts: sun8i: r40: Remove useless AHCI properties
The SATA controller never have any children nodes, so we don't need the
address and size cells properties.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
---
arch/arm/boot/dts/sun8i-r40.dtsi | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index 9784c23346a8..56c6885b02d1 100644
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi
@@ -563,8 +563,6 @@
clocks = <&ccu CLK_BUS_SATA>, <&ccu CLK_SATA>;
resets = <&ccu RST_BUS_SATA>;
reset-names = "ahci";
- #address-cells = <1>;
- #size-cells = <0>;
status = "disabled";
};
--
cgit 1.2-0.3.lf.el7