[PATCH 0/6] R-Car M3-N DTS fixes

[PATCH 0/6] R-Car M3-N DTS fixes

[Jacopo Mondi]

Hello Simon, Arnd,

    The recently introduced Renesas R-Car M3-N SoC device tree source file is
included from salvator-x[s]-$SOC.dts, and it thus needs place holders for
devices not yet enabled but whose nodes are referenced by those common files.

When first submitted r8a77965.dtsi I ignored DTC compiler warnings as I
(wrongly) assumed it was fine to have place-holders with missing properties or
labels.

As DTC warnings have to be silenced in order to have M3-N device tree sources
accepted, this series address all warnings and make DTC happy even with
place holders.

Simon: up to you if you like to squash this on top of my previous series when
picking that one up. To ease your job I have based this series on all patches
I sent in v2 but the still debated ether-avb one. I thus left the avb node
unpopulated and added just the required properties to silence DTC warnings
to it in this series.

Development branch based on: (renesas-drivers-2018-02-13-v4.16-rc1 +
M3-N v2 patches - ether-avb) where to apply this series on is available at:
git://jmondi.org/linux m3-n/renesas-drivers-2018-02-13-v4.16-rc1/v2-simon

Thanks
  j

Jacopo Mondi (6):
  arm64: dts: renesas: r8a77965: Add "reg" properties
  arm64: dts: renesas: r8a77965: Add #address-cells and #size-cells
  arm64: dts: renesas: r8a77965: Remove stale reg property
  arm64: dts: renesas: r8a77965: Add #phy-cells property
  arm64: dts: renesas: r8a77965: Add #pwm-cells property
  arm64: dts: renesas: r8a77965: Add #interrupt-cells property

 arch/arm64/boot/dts/renesas/r8a77965.dtsi | 77 ++++++++++++++++++++++++++++++-
 1 file changed, 76 insertions(+), 1 deletion(-)

--
2.7.4

[PATCH 1/6] arm64: dts: renesas: r8a77965: Add "reg" properties

[Jacopo Mondi]

Add "reg" properties to place-holder nodes with unit address defined for
R-Car M3-N SoC.

This silences the following DTC compiler warning:
Warning (unit_address_vs_reg): Node /soc/... has a unit name,
but no reg property

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
 arch/arm64/boot/dts/renesas/r8a77965.dtsi | 51 +++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
index 55f05f7..4d9bba9 100644
--- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
@@ -317,6 +317,7 @@
 		};
 
 		intc_ex: interrupt-controller@e61c0000 {
+			reg = <0 0xe61c0000 0 0x200>;
 			/* placeholder */
 		};
 
@@ -520,130 +521,163 @@
 		};
 
 		avb: ethernet@e6800000 {
+			reg = <0 0xe6800000 0 0x800>, <0 0xe6a00000 0 0x10000>;
 			/* placeholder */
 		};
 
 		csi20: csi2@fea80000 {
+			reg = <0 0xfea80000 0 0x10000>;
 			/* placeholder */
 		};
 
 		csi40: csi2@feaa0000 {
+			reg = <0 0xfeaa0000 0 0x10000>;
 			/* placeholder */
 		};
 
 		vin0: video@e6ef0000 {
+			reg = <0 0xe6ef0000 0 0x1000>;
 			/* placeholder */
 		};
 
 		vin1: video@e6ef1000 {
+			reg = <0 0xe6ef1000 0 0x1000>;
 			/* placeholder */
 		};
 
 		vin2: video@e6ef2000 {
+			reg = <0 0xe6ef2000 0 0x1000>;
 			/* placeholder */
 		};
 
 		vin3: video@e6ef3000 {
+			reg = <0 0xe6ef3000 0 0x1000>;
 			/* placeholder */
 		};
 
 		vin4: video@e6ef4000 {
+			reg = <0 0xe6ef4000 0 0x1000>;
 			/* placeholder */
 		};
 
 		vin5: video@e6ef5000 {
+			reg = <0 0xe6ef5000 0 0x1000>;
 			/* placeholder */
 		};
 
 		vin6: video@e6ef6000 {
+			reg = <0 0xe6ef6000 0 0x1000>;
 			/* placeholder */
 		};
 
 		vin7: video@e6ef7000 {
+			reg = <0 0xe6ef7000 0 0x1000>;
 			/* placeholder */
 		};
 
 		ohci0: usb@ee080000 {
+			reg = <0 0xee080000 0 0x100>;
 			/* placeholder */
 		};
 
 		ehci0: usb@ee080100 {
+			reg = <0 0xee080100 0 0x100>;
 			/* placeholder */
 		};
 
 		usb2_phy0: usb-phy@ee080200 {
+			reg = <0 0xee080200 0 0x700>;
 			/* placeholder */
 		};
 
 		ohci1: usb@ee0a0000 {
+			reg = <0 0xee0a0000 0 0x100>;
 			/* placeholder */
 		};
 
 		ehci1: usb@ee0a0100 {
+			reg = <0 0xee0a0100 0 0x100>;
 			/* placeholder */
 		};
 
 		i2c0: i2c@e6500000 {
+			reg = <0 0xe6500000 0 0x40>;
 			/* placeholder */
 		};
 
 		i2c1: i2c@e6508000 {
+			reg = <0 0xe6508000 0 0x40>;
 			/* placeholder */
 		};
 
 		i2c2: i2c@e6510000 {
+			reg = <0 0xe6510000 0 0x40>;
 			/* placeholder */
 		};
 
 		i2c3: i2c@e66d0000 {
+			reg = <0 0xe66d0000 0 0x40>;
 			/* placeholder */
 		};
 
 		i2c4: i2c@e66d8000 {
+			reg = <0 0xe66d8000 0 0x40>;
 			/* placeholder */
 		};
 
 		i2c5: i2c@e66e0000 {
+			reg = <0 0xe66e0000 0 0x40>;
 			/* placeholder */
 		};
 
 		i2c6: i2c@e66e8000 {
+			reg = <0 0xe66e8000 0 0x40>;
 			/* placeholder */
 		};
 
 		i2c_dvfs: i2c@e60b0000 {
+			reg = <0 0xe60b0000 0 0x425>;
 			/* placeholder */
 		};
 
 		pwm0: pwm@e6e30000 {
+			reg = <0 0xe6e30000 0 8>;
 			/* placeholder */
 		};
 
 		pwm1: pwm@e6e31000 {
+			reg = <0 0xe6e31000 0 8>;
 			/* placeholder */
 		};
 
 		pwm2: pwm@e6e32000 {
+			reg = <0 0xe6e32000 0 8>;
 			/* placeholder */
 		};
 
 		pwm3: pwm@e6e33000 {
+			reg = <0 0xe6e33000 0 8>;
 			/* placeholder */
 		};
 
 		pwm4: pwm@e6e34000 {
+			reg = <0 0xe6e34000 0 8>;
 			/* placeholder */
 		};
 
 		pwm5: pwm@e6e35000 {
+			reg = <0 0xe6e35000 0 8>;
 			/* placeholder */
 		};
 
 		pwm6: pwm@e6e36000 {
+			reg = <0 0xe6e36000 0 8>;
 			/* placeholder */
 		};
 
 		du: display@feb00000 {
+			reg = <0 0xfeb00000 0 0x70000>,
+			      <0 0xfeb90000 0 0x14>;
 			/* placeholder */
 
 			ports {
@@ -666,18 +700,26 @@
 		};
 
 		hsusb: usb@e6590000 {
+			reg = <0 0xe6590000 0 0x100>;
 			/* placeholder */
 		};
 
 		pciec0: pcie@fe000000 {
+			reg = <0 0xfe000000 0 0x80000>;
 			/* placeholder */
 		};
 
 		pciec1: pcie@ee800000 {
+			reg = <0 0xee800000 0 0x80000>;
 			/* placeholder */
 		};
 
 		rcar_sound: sound@ec500000 {
+			reg =	<0 0xec500000 0 0x1000>, /* SCU */
+				<0 0xec5a0000 0 0x100>,  /* ADG */
+				<0 0xec540000 0 0x1000>, /* SSIU */
+				<0 0xec541000 0 0x280>,  /* SSI */
+				<0 0xec740000 0 0x200>;  /* Audio DMAC peri peri*/
 			/* placeholder */
 
 			rcar_sound,dvc {
@@ -703,38 +745,47 @@
 		};
 
 		usb2_phy1: usb-phy@ee0a0200 {
+			reg = <0 0xee0a0200 0 0x700>;
 			/* placeholder */
 		};
 
 		sdhi0: sd@ee100000 {
+			reg = <0 0xee100000 0 0x2000>;
 			/* placeholder */
 		};
 
 		sdhi1: sd@ee120000 {
+			reg = <0 0xee120000 0 0x2000>;
 			/* placeholder */
 		};
 
 		sdhi2: sd@ee140000 {
+			reg = <0 0xee140000 0 0x2000>;
 			/* placeholder */
 		};
 
 		sdhi3: sd@ee160000 {
+			reg = <0 0xee160000 0 0x2000>;
 			/* placeholder */
 		};
 
 		usb3_phy0: usb-phy@e65ee000 {
+			reg = <0 0xe65ee000 0 0x90>;
 			/* placeholder */
 		};
 
 		usb3_peri0: usb@ee020000 {
+			reg = <0 0xee020000 0 0x400>;
 			/* placeholder */
 		};
 
 		xhci0: usb@ee000000 {
+			reg = <0 0xee000000 0 0xc00>;
 			/* placeholder */
 		};
 
 		wdt0: watchdog@e6020000 {
+			reg = <0 0xe6020000 0 0x0c>;
 			/* placeholder */
 		};
 	};
-- 
2.7.4

[PATCH 2/6] arm64: dts: renesas: r8a77965: Add #address-cells and #size-cells

[Jacopo Mondi]

Add "#address-cells" and "#size-cells" properties to all place-holder nodes
that have children nodes defined by salvator-x[s].dtsi device tree.

This silences the following DTC compiler warnings:
Warning (reg_format): "reg" property in /soc/.. has invalid length (4 bytes)
(#address-cells == 2, #size-cells == 1)
Warning (avoid_default_addr_size): Relying on default #address-cells
value for /soc/...
Warning (avoid_default_addr_size): Relying on default #size-cells value
for /soc/...

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
 arch/arm64/boot/dts/renesas/r8a77965.dtsi | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
index 4d9bba9..ab46cd2 100644
--- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
@@ -521,6 +521,9 @@
 		};
 
 		avb: ethernet@e6800000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
 			reg = <0 0xe6800000 0 0x800>, <0 0xe6a00000 0 0x10000>;
 			/* placeholder */
 		};
@@ -528,11 +531,21 @@
 		csi20: csi2@fea80000 {
 			reg = <0 0xfea80000 0 0x10000>;
 			/* placeholder */
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
 		};
 
 		csi40: csi2@feaa0000 {
 			reg = <0 0xfeaa0000 0 0x10000>;
 			/* placeholder */
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
 		};
 
 		vin0: video@e6ef0000 {
@@ -611,6 +624,9 @@
 		};
 
 		i2c2: i2c@e6510000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
 			reg = <0 0xe6510000 0 0x40>;
 			/* placeholder */
 		};
@@ -621,6 +637,9 @@
 		};
 
 		i2c4: i2c@e66d8000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
 			reg = <0 0xe66d8000 0 0x40>;
 			/* placeholder */
 		};
@@ -636,6 +655,9 @@
 		};
 
 		i2c_dvfs: i2c@e60b0000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
 			reg = <0 0xe60b0000 0 0x425>;
 			/* placeholder */
 		};
@@ -681,6 +703,9 @@
 			/* placeholder */
 
 			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
 				port@0 {
 					reg = <0>;
 					du_out_rgb: endpoint {
-- 
2.7.4

[PATCH 2/6] arm64: dts: renesas: r8a77965: Add #address-cells and #size-cells

[Jacopo Mondi]

Add "#address-cells" and "#size-cells" properties to all place-holder nodes
that have children nodes defined by salvator-x[s].dtsi device tree.

This silences the following DTC compiler warnings:
Warning (reg_format): "reg" property in /soc/.. has invalid length (4 bytes)
(#address-cells == 2, #size-cells == 1)
Warning (avoid_default_addr_size): Relying on default #address-cells
value for /soc/...
Warning (avoid_default_addr_size): Relying on default #size-cells value
for /soc/...

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
 arch/arm64/boot/dts/renesas/r8a77965.dtsi | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
index 4d9bba9..ab46cd2 100644
--- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
@@ -521,6 +521,9 @@
 		};
 
 		avb: ethernet@e6800000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
 			reg = <0 0xe6800000 0 0x800>, <0 0xe6a00000 0 0x10000>;
 			/* placeholder */
 		};
@@ -528,11 +531,21 @@
 		csi20: csi2@fea80000 {
 			reg = <0 0xfea80000 0 0x10000>;
 			/* placeholder */
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
 		};
 
 		csi40: csi2@feaa0000 {
 			reg = <0 0xfeaa0000 0 0x10000>;
 			/* placeholder */
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
 		};
 
 		vin0: video@e6ef0000 {
@@ -611,6 +624,9 @@
 		};
 
 		i2c2: i2c@e6510000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
 			reg = <0 0xe6510000 0 0x40>;
 			/* placeholder */
 		};
@@ -621,6 +637,9 @@
 		};
 
 		i2c4: i2c@e66d8000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
 			reg = <0 0xe66d8000 0 0x40>;
 			/* placeholder */
 		};
@@ -636,6 +655,9 @@
 		};
 
 		i2c_dvfs: i2c@e60b0000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
 			reg = <0 0xe60b0000 0 0x425>;
 			/* placeholder */
 		};
@@ -681,6 +703,9 @@
 			/* placeholder */
 
 			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
 				port@0 {
 					reg = <0>;
 					du_out_rgb: endpoint {
-- 
2.7.4

[PATCH 2/6] arm64: dts: renesas: r8a77965: Add #address-cells and #size-cells

[Jacopo Mondi]

Add "#address-cells" and "#size-cells" properties to all place-holder nodes
that have children nodes defined by salvator-x[s].dtsi device tree.

This silences the following DTC compiler warnings:
Warning (reg_format): "reg" property in /soc/.. has invalid length (4 bytes)
(#address-cells == 2, #size-cells == 1)
Warning (avoid_default_addr_size): Relying on default #address-cells
value for /soc/...
Warning (avoid_default_addr_size): Relying on default #size-cells value
for /soc/...

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
 arch/arm64/boot/dts/renesas/r8a77965.dtsi | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
index 4d9bba9..ab46cd2 100644
--- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
@@ -521,6 +521,9 @@
 		};
 
 		avb: ethernet at e6800000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
 			reg = <0 0xe6800000 0 0x800>, <0 0xe6a00000 0 0x10000>;
 			/* placeholder */
 		};
@@ -528,11 +531,21 @@
 		csi20: csi2 at fea80000 {
 			reg = <0 0xfea80000 0 0x10000>;
 			/* placeholder */
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
 		};
 
 		csi40: csi2 at feaa0000 {
 			reg = <0 0xfeaa0000 0 0x10000>;
 			/* placeholder */
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
 		};
 
 		vin0: video at e6ef0000 {
@@ -611,6 +624,9 @@
 		};
 
 		i2c2: i2c at e6510000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
 			reg = <0 0xe6510000 0 0x40>;
 			/* placeholder */
 		};
@@ -621,6 +637,9 @@
 		};
 
 		i2c4: i2c at e66d8000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
 			reg = <0 0xe66d8000 0 0x40>;
 			/* placeholder */
 		};
@@ -636,6 +655,9 @@
 		};
 
 		i2c_dvfs: i2c at e60b0000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
 			reg = <0 0xe60b0000 0 0x425>;
 			/* placeholder */
 		};
@@ -681,6 +703,9 @@
 			/* placeholder */
 
 			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
 				port at 0 {
 					reg = <0>;
 					du_out_rgb: endpoint {
-- 
2.7.4

[PATCH 3/6] arm64: dts: renesas: r8a77965: Remove stale reg property

[Jacopo Mondi]

Remove "reg" property from cache-controller-0 device node as it does not
have any unit address.

This silences the following DTC compiler warning:
Warning (unit_address_vs_reg): Node /cpus/cache-controller-0 has a reg
or ranges property, but no unit name

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
 arch/arm64/boot/dts/renesas/r8a77965.dtsi | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
index ab46cd2..be4f25c 100644
--- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
@@ -47,7 +47,6 @@
 
 		L2_CA57: cache-controller-0 {
 			compatible = "cache";
-			reg = <0>;
 			power-domains = <&sysc 12>;
 			cache-unified;
 			cache-level = <2>;
-- 
2.7.4

[PATCH 4/6] arm64: dts: renesas: r8a77965: Add #phy-cells property

[Jacopo Mondi]

Add "#phy-cells" property to "usb-phy@e65ee000" device node.

This silences the following DTC compiler warning:
Warning (phys_property): Missing property '#phy-cells' in node
/soc/usb-phy@e65ee000 or bad phandle (referred from
/soc/usb@ee020000:phys[0])

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
 arch/arm64/boot/dts/renesas/r8a77965.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
index be4f25c..cd12176 100644
--- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
@@ -795,6 +795,7 @@
 
 		usb3_phy0: usb-phy@e65ee000 {
 			reg = <0 0xe65ee000 0 0x90>;
+			#phy-cells = <0>;
 			/* placeholder */
 		};
 
-- 
2.7.4

[PATCH 4/6] arm64: dts: renesas: r8a77965: Add #phy-cells property

[Jacopo Mondi]

Add "#phy-cells" property to "usb-phy@e65ee000" device node.

This silences the following DTC compiler warning:
Warning (phys_property): Missing property '#phy-cells' in node
/soc/usb-phy@e65ee000 or bad phandle (referred from
/soc/usb@ee020000:phys[0])

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
 arch/arm64/boot/dts/renesas/r8a77965.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
index be4f25c..cd12176 100644
--- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
@@ -795,6 +795,7 @@
 
 		usb3_phy0: usb-phy@e65ee000 {
 			reg = <0 0xe65ee000 0 0x90>;
+			#phy-cells = <0>;
 			/* placeholder */
 		};
 
-- 
2.7.4

[PATCH 4/6] arm64: dts: renesas: r8a77965: Add #phy-cells property

[Jacopo Mondi]

Add "#phy-cells" property to "usb-phy at e65ee000" device node.

This silences the following DTC compiler warning:
Warning (phys_property): Missing property '#phy-cells' in node
/soc/usb-phy at e65ee000 or bad phandle (referred from
/soc/usb at ee020000:phys[0])

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
 arch/arm64/boot/dts/renesas/r8a77965.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
index be4f25c..cd12176 100644
--- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
@@ -795,6 +795,7 @@
 
 		usb3_phy0: usb-phy at e65ee000 {
 			reg = <0 0xe65ee000 0 0x90>;
+			#phy-cells = <0>;
 			/* placeholder */
 		};
 
-- 
2.7.4

[PATCH 5/6] arm64: dts: renesas: r8a77965: Add #pwm-cells property

[Jacopo Mondi]

Add "#pwm-cells" property to "pwm@e6e31000" device node.

This silences the following DTC compiler warning:
Warning (pwms_property): Missing property '#pwm-cells' in node
/soc/pwm@e6e31000 or bad phandle (referred from /backlight:pwms[0])

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
 arch/arm64/boot/dts/renesas/r8a77965.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
index cd12176..cdd4868 100644
--- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
@@ -668,6 +668,7 @@
 
 		pwm1: pwm@e6e31000 {
 			reg = <0 0xe6e31000 0 8>;
+			#pwm-cells = <2>;
 			/* placeholder */
 		};
 
-- 
2.7.4

[PATCH 6/6] arm64: dts: renesas: r8a77965: Add #interrupt-cells property

[Jacopo Mondi]

Add "#interrupt-cells" property and "interrupt-controller" label to
"interrupt-controller@e61c0000" device node.

This silences the following DTC compiler warnings:
Warning (interrupts_property): Missing interrupt-controller or
interrupt-map property in /soc/interrupt-controller@e61c0000
Warning (interrupts_property): Missing #interrupt-cells in
interrupt-parent /soc/interrupt-controller@e61c000

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
 arch/arm64/boot/dts/renesas/r8a77965.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
index cdd4868..665e126 100644
--- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
@@ -316,6 +316,8 @@
 		};
 
 		intc_ex: interrupt-controller@e61c0000 {
+			#interrupt-cells = <2>;
+			interrupt-controller;
 			reg = <0 0xe61c0000 0 0x200>;
 			/* placeholder */
 		};
-- 
2.7.4

Re: [PATCH 1/6] arm64: dts: renesas: r8a77965: Add "reg" properties

[Geert Uytterhoeven]

Hi Jacopo,

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Add "reg" properties to place-holder nodes with unit address defined for
> R-Car M3-N SoC.
>
> This silences the following DTC compiler warning:
> Warning (unit_address_vs_reg): Node /soc/... has a unit name,
> but no reg property
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

A few minor nits below...

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

> --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi

> @@ -520,130 +521,163 @@
>                 };
>
>                 avb: ethernet@e6800000 {
> +                       reg = <0 0xe6800000 0 0x800>, <0 0xe6a00000 0 0x10000>;

The first reg part would be sufficient for a placeholder.
I think even setting the size to zero would work...

>                 du: display@feb00000 {
> +                       reg = <0 0xfeb00000 0 0x70000>,

Unlike M3-W, the M3-N DU has a third channel, so the size is too small.

> +                             <0 0xfeb90000 0 0x14>;
>                         /* placeholder */

> @@ -703,38 +745,47 @@
>                 };
>
>                 usb2_phy1: usb-phy@ee0a0200 {
> +                       reg = <0 0xee0a0200 0 0x700>;
>                         /* placeholder */
>                 };

To be moved up, next to the other usb2 devices?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 1/6] arm64: dts: renesas: r8a77965: Add "reg" properties

[Geert Uytterhoeven]

Hi Jacopo,

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Add "reg" properties to place-holder nodes with unit address defined for
> R-Car M3-N SoC.
>
> This silences the following DTC compiler warning:
> Warning (unit_address_vs_reg): Node /soc/... has a unit name,
> but no reg property
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

A few minor nits below...

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

> --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi

> @@ -520,130 +521,163 @@
>                 };
>
>                 avb: ethernet@e6800000 {
> +                       reg = <0 0xe6800000 0 0x800>, <0 0xe6a00000 0 0x10000>;

The first reg part would be sufficient for a placeholder.
I think even setting the size to zero would work...

>                 du: display@feb00000 {
> +                       reg = <0 0xfeb00000 0 0x70000>,

Unlike M3-W, the M3-N DU has a third channel, so the size is too small.

> +                             <0 0xfeb90000 0 0x14>;
>                         /* placeholder */

> @@ -703,38 +745,47 @@
>                 };
>
>                 usb2_phy1: usb-phy@ee0a0200 {
> +                       reg = <0 0xee0a0200 0 0x700>;
>                         /* placeholder */
>                 };

To be moved up, next to the other usb2 devices?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 1/6] arm64: dts: renesas: r8a77965: Add "reg" properties

[Geert Uytterhoeven]

Hi Jacopo,

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Add "reg" properties to place-holder nodes with unit address defined for
> R-Car M3-N SoC.
>
> This silences the following DTC compiler warning:
> Warning (unit_address_vs_reg): Node /soc/... has a unit name,
> but no reg property
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

A few minor nits below...

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

> --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi

> @@ -520,130 +521,163 @@
>                 };
>
>                 avb: ethernet at e6800000 {
> +                       reg = <0 0xe6800000 0 0x800>, <0 0xe6a00000 0 0x10000>;

The first reg part would be sufficient for a placeholder.
I think even setting the size to zero would work...

>                 du: display at feb00000 {
> +                       reg = <0 0xfeb00000 0 0x70000>,

Unlike M3-W, the M3-N DU has a third channel, so the size is too small.

> +                             <0 0xfeb90000 0 0x14>;
>                         /* placeholder */

> @@ -703,38 +745,47 @@
>                 };
>
>                 usb2_phy1: usb-phy at ee0a0200 {
> +                       reg = <0 0xee0a0200 0 0x700>;
>                         /* placeholder */
>                 };

To be moved up, next to the other usb2 devices?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 2/6] arm64: dts: renesas: r8a77965: Add #address-cells and #size-cells

[Geert Uytterhoeven]

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Add "#address-cells" and "#size-cells" properties to all place-holder nodes
> that have children nodes defined by salvator-x[s].dtsi device tree.
>
> This silences the following DTC compiler warnings:
> Warning (reg_format): "reg" property in /soc/.. has invalid length (4 bytes)
> (#address-cells == 2, #size-cells == 1)
> Warning (avoid_default_addr_size): Relying on default #address-cells
> value for /soc/...
> Warning (avoid_default_addr_size): Relying on default #size-cells value
> for /soc/...
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 2/6] arm64: dts: renesas: r8a77965: Add #address-cells and #size-cells

[Geert Uytterhoeven]

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Add "#address-cells" and "#size-cells" properties to all place-holder nodes
> that have children nodes defined by salvator-x[s].dtsi device tree.
>
> This silences the following DTC compiler warnings:
> Warning (reg_format): "reg" property in /soc/.. has invalid length (4 bytes)
> (#address-cells == 2, #size-cells == 1)
> Warning (avoid_default_addr_size): Relying on default #address-cells
> value for /soc/...
> Warning (avoid_default_addr_size): Relying on default #size-cells value
> for /soc/...
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 2/6] arm64: dts: renesas: r8a77965: Add #address-cells and #size-cells

[Geert Uytterhoeven]

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Add "#address-cells" and "#size-cells" properties to all place-holder nodes
> that have children nodes defined by salvator-x[s].dtsi device tree.
>
> This silences the following DTC compiler warnings:
> Warning (reg_format): "reg" property in /soc/.. has invalid length (4 bytes)
> (#address-cells == 2, #size-cells == 1)
> Warning (avoid_default_addr_size): Relying on default #address-cells
> value for /soc/...
> Warning (avoid_default_addr_size): Relying on default #size-cells value
> for /soc/...
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 3/6] arm64: dts: renesas: r8a77965: Remove stale reg property

[Geert Uytterhoeven]

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Remove "reg" property from cache-controller-0 device node as it does not
> have any unit address.
>
> This silences the following DTC compiler warning:
> Warning (unit_address_vs_reg): Node /cpus/cache-controller-0 has a reg
> or ranges property, but no unit name
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 3/6] arm64: dts: renesas: r8a77965: Remove stale reg property

[Geert Uytterhoeven]

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Remove "reg" property from cache-controller-0 device node as it does not
> have any unit address.
>
> This silences the following DTC compiler warning:
> Warning (unit_address_vs_reg): Node /cpus/cache-controller-0 has a reg
> or ranges property, but no unit name
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 3/6] arm64: dts: renesas: r8a77965: Remove stale reg property

[Geert Uytterhoeven]

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Remove "reg" property from cache-controller-0 device node as it does not
> have any unit address.
>
> This silences the following DTC compiler warning:
> Warning (unit_address_vs_reg): Node /cpus/cache-controller-0 has a reg
> or ranges property, but no unit name
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 4/6] arm64: dts: renesas: r8a77965: Add #phy-cells property

[Geert Uytterhoeven]

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Add "#phy-cells" property to "usb-phy@e65ee000" device node.
>
> This silences the following DTC compiler warning:
> Warning (phys_property): Missing property '#phy-cells' in node
> /soc/usb-phy@e65ee000 or bad phandle (referred from
> /soc/usb@ee020000:phys[0])
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 4/6] arm64: dts: renesas: r8a77965: Add #phy-cells property

[Geert Uytterhoeven]

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Add "#phy-cells" property to "usb-phy@e65ee000" device node.
>
> This silences the following DTC compiler warning:
> Warning (phys_property): Missing property '#phy-cells' in node
> /soc/usb-phy@e65ee000 or bad phandle (referred from
> /soc/usb@ee020000:phys[0])
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 4/6] arm64: dts: renesas: r8a77965: Add #phy-cells property

[Geert Uytterhoeven]

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Add "#phy-cells" property to "usb-phy at e65ee000" device node.
>
> This silences the following DTC compiler warning:
> Warning (phys_property): Missing property '#phy-cells' in node
> /soc/usb-phy at e65ee000 or bad phandle (referred from
> /soc/usb at ee020000:phys[0])
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 5/6] arm64: dts: renesas: r8a77965: Add #pwm-cells property

[Geert Uytterhoeven]

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Add "#pwm-cells" property to "pwm@e6e31000" device node.
>
> This silences the following DTC compiler warning:
> Warning (pwms_property): Missing property '#pwm-cells' in node
> /soc/pwm@e6e31000 or bad phandle (referred from /backlight:pwms[0])
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 5/6] arm64: dts: renesas: r8a77965: Add #pwm-cells property

[Geert Uytterhoeven]

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Add "#pwm-cells" property to "pwm@e6e31000" device node.
>
> This silences the following DTC compiler warning:
> Warning (pwms_property): Missing property '#pwm-cells' in node
> /soc/pwm@e6e31000 or bad phandle (referred from /backlight:pwms[0])
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 5/6] arm64: dts: renesas: r8a77965: Add #pwm-cells property

[Geert Uytterhoeven]

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Add "#pwm-cells" property to "pwm at e6e31000" device node.
>
> This silences the following DTC compiler warning:
> Warning (pwms_property): Missing property '#pwm-cells' in node
> /soc/pwm at e6e31000 or bad phandle (referred from /backlight:pwms[0])
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 6/6] arm64: dts: renesas: r8a77965: Add #interrupt-cells property

[Geert Uytterhoeven]

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Add "#interrupt-cells" property and "interrupt-controller" label to
> "interrupt-controller@e61c0000" device node.
>
> This silences the following DTC compiler warnings:
> Warning (interrupts_property): Missing interrupt-controller or
> interrupt-map property in /soc/interrupt-controller@e61c0000
> Warning (interrupts_property): Missing #interrupt-cells in
> interrupt-parent /soc/interrupt-controller@e61c000
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

> --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> @@ -316,6 +316,8 @@
>                 };
>
>                 intc_ex: interrupt-controller@e61c0000 {
> +                       #interrupt-cells = <2>;
> +                       interrupt-controller;
>                         reg = <0 0xe61c0000 0 0x200>;
>                         /* placeholder */

(bikeshedding) Should the placeholder be at the top of the node?

>                 };

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 6/6] arm64: dts: renesas: r8a77965: Add #interrupt-cells property

[Geert Uytterhoeven]

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Add "#interrupt-cells" property and "interrupt-controller" label to
> "interrupt-controller@e61c0000" device node.
>
> This silences the following DTC compiler warnings:
> Warning (interrupts_property): Missing interrupt-controller or
> interrupt-map property in /soc/interrupt-controller@e61c0000
> Warning (interrupts_property): Missing #interrupt-cells in
> interrupt-parent /soc/interrupt-controller@e61c000
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

> --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> @@ -316,6 +316,8 @@
>                 };
>
>                 intc_ex: interrupt-controller@e61c0000 {
> +                       #interrupt-cells = <2>;
> +                       interrupt-controller;
>                         reg = <0 0xe61c0000 0 0x200>;
>                         /* placeholder */

(bikeshedding) Should the placeholder be at the top of the node?

>                 };

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 6/6] arm64: dts: renesas: r8a77965: Add #interrupt-cells property

[Geert Uytterhoeven]

On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> Add "#interrupt-cells" property and "interrupt-controller" label to
> "interrupt-controller at e61c0000" device node.
>
> This silences the following DTC compiler warnings:
> Warning (interrupts_property): Missing interrupt-controller or
> interrupt-map property in /soc/interrupt-controller at e61c0000
> Warning (interrupts_property): Missing #interrupt-cells in
> interrupt-parent /soc/interrupt-controller at e61c000
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

> --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> @@ -316,6 +316,8 @@
>                 };
>
>                 intc_ex: interrupt-controller at e61c0000 {
> +                       #interrupt-cells = <2>;
> +                       interrupt-controller;
>                         reg = <0 0xe61c0000 0 0x200>;
>                         /* placeholder */

(bikeshedding) Should the placeholder be at the top of the node?

>                 };

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 6/6] arm64: dts: renesas: r8a77965: Add #interrupt-cells property

[jacopo mondi]

Hi Geert,

On Fri, Feb 23, 2018 at 10:27:16AM +0100, Geert Uytterhoeven wrote:
> On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> > Add "#interrupt-cells" property and "interrupt-controller" label to
> > "interrupt-controller@e61c0000" device node.
> >
> > This silences the following DTC compiler warnings:
> > Warning (interrupts_property): Missing interrupt-controller or
> > interrupt-map property in /soc/interrupt-controller@e61c0000
> > Warning (interrupts_property): Missing #interrupt-cells in
> > interrupt-parent /soc/interrupt-controller@e61c000
> >
> > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>
> > --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> > +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> > @@ -316,6 +316,8 @@
> >                 };
> >
> >                 intc_ex: interrupt-controller@e61c0000 {
> > +                       #interrupt-cells = <2>;
> > +                       interrupt-controller;
> >                         reg = <0 0xe61c0000 0 0x200>;
> >                         /* placeholder */
>
> (bikeshedding) Should the placeholder be at the top of the node?

I would like it more too, but in M3-W dtsi:

		pciec0: pcie@fe000000 {
			reg = <0 0xfe000000 0 0x80000>;
			/* placeholder */
		};

So I kept using the same style everywhere here.

I can change it everywhere in this series to have placeholder at the
beginning of the node definition if you agree with that!

Thanks
   j

>
> >                 };
>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds

Re: [PATCH 6/6] arm64: dts: renesas: r8a77965: Add #interrupt-cells property

[jacopo mondi]

Hi Geert,

On Fri, Feb 23, 2018 at 10:27:16AM +0100, Geert Uytterhoeven wrote:
> On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> > Add "#interrupt-cells" property and "interrupt-controller" label to
> > "interrupt-controller@e61c0000" device node.
> >
> > This silences the following DTC compiler warnings:
> > Warning (interrupts_property): Missing interrupt-controller or
> > interrupt-map property in /soc/interrupt-controller@e61c0000
> > Warning (interrupts_property): Missing #interrupt-cells in
> > interrupt-parent /soc/interrupt-controller@e61c000
> >
> > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>
> > --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> > +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> > @@ -316,6 +316,8 @@
> >                 };
> >
> >                 intc_ex: interrupt-controller@e61c0000 {
> > +                       #interrupt-cells = <2>;
> > +                       interrupt-controller;
> >                         reg = <0 0xe61c0000 0 0x200>;
> >                         /* placeholder */
>
> (bikeshedding) Should the placeholder be at the top of the node?

I would like it more too, but in M3-W dtsi:

		pciec0: pcie@fe000000 {
			reg = <0 0xfe000000 0 0x80000>;
			/* placeholder */
		};

So I kept using the same style everywhere here.

I can change it everywhere in this series to have placeholder at the
beginning of the node definition if you agree with that!

Thanks
   j

>
> >                 };
>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds

[PATCH 6/6] arm64: dts: renesas: r8a77965: Add #interrupt-cells property

[jacopo mondi]

Hi Geert,

On Fri, Feb 23, 2018 at 10:27:16AM +0100, Geert Uytterhoeven wrote:
> On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> > Add "#interrupt-cells" property and "interrupt-controller" label to
> > "interrupt-controller at e61c0000" device node.
> >
> > This silences the following DTC compiler warnings:
> > Warning (interrupts_property): Missing interrupt-controller or
> > interrupt-map property in /soc/interrupt-controller at e61c0000
> > Warning (interrupts_property): Missing #interrupt-cells in
> > interrupt-parent /soc/interrupt-controller at e61c000
> >
> > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>
> > --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> > +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> > @@ -316,6 +316,8 @@
> >                 };
> >
> >                 intc_ex: interrupt-controller at e61c0000 {
> > +                       #interrupt-cells = <2>;
> > +                       interrupt-controller;
> >                         reg = <0 0xe61c0000 0 0x200>;
> >                         /* placeholder */
>
> (bikeshedding) Should the placeholder be at the top of the node?

I would like it more too, but in M3-W dtsi:

		pciec0: pcie at fe000000 {
			reg = <0 0xfe000000 0 0x80000>;
			/* placeholder */
		};

So I kept using the same style everywhere here.

I can change it everywhere in this series to have placeholder at the
beginning of the node definition if you agree with that!

Thanks
   j

>
> >                 };
>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds

Re: [PATCH 6/6] arm64: dts: renesas: r8a77965: Add #interrupt-cells property

[Simon Horman]

On Fri, Feb 23, 2018 at 11:06:07AM +0100, jacopo mondi wrote:
> Hi Geert,
> 
> On Fri, Feb 23, 2018 at 10:27:16AM +0100, Geert Uytterhoeven wrote:
> > On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> > > Add "#interrupt-cells" property and "interrupt-controller" label to
> > > "interrupt-controller@e61c0000" device node.
> > >
> > > This silences the following DTC compiler warnings:
> > > Warning (interrupts_property): Missing interrupt-controller or
> > > interrupt-map property in /soc/interrupt-controller@e61c0000
> > > Warning (interrupts_property): Missing #interrupt-cells in
> > > interrupt-parent /soc/interrupt-controller@e61c000
> > >
> > > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
> >
> > Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> >
> > > --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> > > +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> > > @@ -316,6 +316,8 @@
> > >                 };
> > >
> > >                 intc_ex: interrupt-controller@e61c0000 {
> > > +                       #interrupt-cells = <2>;
> > > +                       interrupt-controller;
> > >                         reg = <0 0xe61c0000 0 0x200>;
> > >                         /* placeholder */
> >
> > (bikeshedding) Should the placeholder be at the top of the node?
> 
> I would like it more too, but in M3-W dtsi:
> 
> 		pciec0: pcie@fe000000 {
> 			reg = <0 0xfe000000 0 0x80000>;
> 			/* placeholder */
> 		};
> 
> So I kept using the same style everywhere here.
> 
> I can change it everywhere in this series to have placeholder at the
> beginning of the node definition if you agree with that!

Either way is fine by me. But if we do change it lets change it everywhere.

Re: [PATCH 6/6] arm64: dts: renesas: r8a77965: Add #interrupt-cells property

[Simon Horman]

On Fri, Feb 23, 2018 at 11:06:07AM +0100, jacopo mondi wrote:
> Hi Geert,
> 
> On Fri, Feb 23, 2018 at 10:27:16AM +0100, Geert Uytterhoeven wrote:
> > On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> > > Add "#interrupt-cells" property and "interrupt-controller" label to
> > > "interrupt-controller@e61c0000" device node.
> > >
> > > This silences the following DTC compiler warnings:
> > > Warning (interrupts_property): Missing interrupt-controller or
> > > interrupt-map property in /soc/interrupt-controller@e61c0000
> > > Warning (interrupts_property): Missing #interrupt-cells in
> > > interrupt-parent /soc/interrupt-controller@e61c000
> > >
> > > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
> >
> > Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> >
> > > --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> > > +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> > > @@ -316,6 +316,8 @@
> > >                 };
> > >
> > >                 intc_ex: interrupt-controller@e61c0000 {
> > > +                       #interrupt-cells = <2>;
> > > +                       interrupt-controller;
> > >                         reg = <0 0xe61c0000 0 0x200>;
> > >                         /* placeholder */
> >
> > (bikeshedding) Should the placeholder be at the top of the node?
> 
> I would like it more too, but in M3-W dtsi:
> 
> 		pciec0: pcie@fe000000 {
> 			reg = <0 0xfe000000 0 0x80000>;
> 			/* placeholder */
> 		};
> 
> So I kept using the same style everywhere here.
> 
> I can change it everywhere in this series to have placeholder at the
> beginning of the node definition if you agree with that!

Either way is fine by me. But if we do change it lets change it everywhere.

[PATCH 6/6] arm64: dts: renesas: r8a77965: Add #interrupt-cells property

[Simon Horman]

On Fri, Feb 23, 2018 at 11:06:07AM +0100, jacopo mondi wrote:
> Hi Geert,
> 
> On Fri, Feb 23, 2018 at 10:27:16AM +0100, Geert Uytterhoeven wrote:
> > On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> > > Add "#interrupt-cells" property and "interrupt-controller" label to
> > > "interrupt-controller at e61c0000" device node.
> > >
> > > This silences the following DTC compiler warnings:
> > > Warning (interrupts_property): Missing interrupt-controller or
> > > interrupt-map property in /soc/interrupt-controller at e61c0000
> > > Warning (interrupts_property): Missing #interrupt-cells in
> > > interrupt-parent /soc/interrupt-controller at e61c000
> > >
> > > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
> >
> > Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> >
> > > --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> > > +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> > > @@ -316,6 +316,8 @@
> > >                 };
> > >
> > >                 intc_ex: interrupt-controller at e61c0000 {
> > > +                       #interrupt-cells = <2>;
> > > +                       interrupt-controller;
> > >                         reg = <0 0xe61c0000 0 0x200>;
> > >                         /* placeholder */
> >
> > (bikeshedding) Should the placeholder be at the top of the node?
> 
> I would like it more too, but in M3-W dtsi:
> 
> 		pciec0: pcie at fe000000 {
> 			reg = <0 0xfe000000 0 0x80000>;
> 			/* placeholder */
> 		};
> 
> So I kept using the same style everywhere here.
> 
> I can change it everywhere in this series to have placeholder at the
> beginning of the node definition if you agree with that!

Either way is fine by me. But if we do change it lets change it everywhere.

Re: [PATCH 1/6] arm64: dts: renesas: r8a77965: Add "reg" properties

[jacopo mondi]

Hi Geert,

On Fri, Feb 23, 2018 at 10:19:21AM +0100, Geert Uytterhoeven wrote:
> Hi Jacopo,
>
> On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> > Add "reg" properties to place-holder nodes with unit address defined for
> > R-Car M3-N SoC.
> >
> > This silences the following DTC compiler warning:
> > Warning (unit_address_vs_reg): Node /soc/... has a unit name,
> > but no reg property
> >
> > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
>
> A few minor nits below...
>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>
> > --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> > +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
>
> > @@ -520,130 +521,163 @@
> >                 };
> >
> >                 avb: ethernet@e6800000 {
> > +                       reg = <0 0xe6800000 0 0x800>, <0 0xe6a00000 0 0x10000>;
>
> The first reg part would be sufficient for a placeholder.
> I think even setting the size to zero would work...

Not sure I fully got your point here.

Do you mean I have to remove the second (and third, fourth...)  addresses range block
in all placeholder device nodes with multiple blocks (avb, du, rcar-sound) ?

Do you mean I have to set to 0 the address length in all placeholder nodes?
What's the point if they have to be added back once the device is
enabled?

>
> >                 du: display@feb00000 {
> > +                       reg = <0 0xfeb00000 0 0x70000>,
>
> Unlike M3-W, the M3-N DU has a third channel, so the size is too small.
>

Will fix in v2

> > +                             <0 0xfeb90000 0 0x14>;
> >                         /* placeholder */
>
> > @@ -703,38 +745,47 @@
> >                 };
> >
> >                 usb2_phy1: usb-phy@ee0a0200 {
> > +                       reg = <0 0xee0a0200 0 0x700>;
> >                         /* placeholder */
> >                 };
>
> To be moved up, next to the other usb2 devices?

Will add a patch to move this next to other usb2 device nodes in v2.

I will send v2 as soon as first review comment gets clarified.

Thanks
   j

>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds

Re: [PATCH 1/6] arm64: dts: renesas: r8a77965: Add "reg" properties

[jacopo mondi]

Hi Geert,

On Fri, Feb 23, 2018 at 10:19:21AM +0100, Geert Uytterhoeven wrote:
> Hi Jacopo,
>
> On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> > Add "reg" properties to place-holder nodes with unit address defined for
> > R-Car M3-N SoC.
> >
> > This silences the following DTC compiler warning:
> > Warning (unit_address_vs_reg): Node /soc/... has a unit name,
> > but no reg property
> >
> > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
>
> A few minor nits below...
>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>
> > --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> > +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
>
> > @@ -520,130 +521,163 @@
> >                 };
> >
> >                 avb: ethernet@e6800000 {
> > +                       reg = <0 0xe6800000 0 0x800>, <0 0xe6a00000 0 0x10000>;
>
> The first reg part would be sufficient for a placeholder.
> I think even setting the size to zero would work...

Not sure I fully got your point here.

Do you mean I have to remove the second (and third, fourth...)  addresses range block
in all placeholder device nodes with multiple blocks (avb, du, rcar-sound) ?

Do you mean I have to set to 0 the address length in all placeholder nodes?
What's the point if they have to be added back once the device is
enabled?

>
> >                 du: display@feb00000 {
> > +                       reg = <0 0xfeb00000 0 0x70000>,
>
> Unlike M3-W, the M3-N DU has a third channel, so the size is too small.
>

Will fix in v2

> > +                             <0 0xfeb90000 0 0x14>;
> >                         /* placeholder */
>
> > @@ -703,38 +745,47 @@
> >                 };
> >
> >                 usb2_phy1: usb-phy@ee0a0200 {
> > +                       reg = <0 0xee0a0200 0 0x700>;
> >                         /* placeholder */
> >                 };
>
> To be moved up, next to the other usb2 devices?

Will add a patch to move this next to other usb2 device nodes in v2.

I will send v2 as soon as first review comment gets clarified.

Thanks
   j

>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds

[PATCH 1/6] arm64: dts: renesas: r8a77965: Add "reg" properties

[jacopo mondi]

Hi Geert,

On Fri, Feb 23, 2018 at 10:19:21AM +0100, Geert Uytterhoeven wrote:
> Hi Jacopo,
>
> On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> > Add "reg" properties to place-holder nodes with unit address defined for
> > R-Car M3-N SoC.
> >
> > This silences the following DTC compiler warning:
> > Warning (unit_address_vs_reg): Node /soc/... has a unit name,
> > but no reg property
> >
> > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
>
> A few minor nits below...
>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>
> > --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
> > +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
>
> > @@ -520,130 +521,163 @@
> >                 };
> >
> >                 avb: ethernet at e6800000 {
> > +                       reg = <0 0xe6800000 0 0x800>, <0 0xe6a00000 0 0x10000>;
>
> The first reg part would be sufficient for a placeholder.
> I think even setting the size to zero would work...

Not sure I fully got your point here.

Do you mean I have to remove the second (and third, fourth...)  addresses range block
in all placeholder device nodes with multiple blocks (avb, du, rcar-sound) ?

Do you mean I have to set to 0 the address length in all placeholder nodes?
What's the point if they have to be added back once the device is
enabled?

>
> >                 du: display at feb00000 {
> > +                       reg = <0 0xfeb00000 0 0x70000>,
>
> Unlike M3-W, the M3-N DU has a third channel, so the size is too small.
>

Will fix in v2

> > +                             <0 0xfeb90000 0 0x14>;
> >                         /* placeholder */
>
> > @@ -703,38 +745,47 @@
> >                 };
> >
> >                 usb2_phy1: usb-phy at ee0a0200 {
> > +                       reg = <0 0xee0a0200 0 0x700>;
> >                         /* placeholder */
> >                 };
>
> To be moved up, next to the other usb2 devices?

Will add a patch to move this next to other usb2 device nodes in v2.

I will send v2 as soon as first review comment gets clarified.

Thanks
   j

>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds

Re: [PATCH 1/6] arm64: dts: renesas: r8a77965: Add "reg" properties

[Geert Uytterhoeven]

Hi Jacopo,

On Fri, Feb 23, 2018 at 1:22 PM, jacopo mondi <jacopo@jmondi.org> wrote:
> On Fri, Feb 23, 2018 at 10:19:21AM +0100, Geert Uytterhoeven wrote:
>> On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
>> > Add "reg" properties to place-holder nodes with unit address defined for
>> > R-Car M3-N SoC.
>> >
>> > This silences the following DTC compiler warning:
>> > Warning (unit_address_vs_reg): Node /soc/... has a unit name,
>> > but no reg property
>> >
>> > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
>>
>> A few minor nits below...
>>
>> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>>
>> > --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
>> > +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
>>
>> > @@ -520,130 +521,163 @@
>> >                 };
>> >
>> >                 avb: ethernet@e6800000 {
>> > +                       reg = <0 0xe6800000 0 0x800>, <0 0xe6a00000 0 0x10000>;
>>
>> The first reg part would be sufficient for a placeholder.
>> I think even setting the size to zero would work...
>
> Not sure I fully got your point here.
>
> Do you mean I have to remove the second (and third, fourth...)  addresses range block
> in all placeholder device nodes with multiple blocks (avb, du, rcar-sound) ?

No, you don't have to.

> Do you mean I have to set to 0 the address length in all placeholder nodes?
> What's the point if they have to be added back once the device is
> enabled?

No, you don't have to.

The point is to do the minimum amount of work for the placeholders.
But since you've already done the work (and I've done the work to review it),
it doesn't make sense to remove all of this, to be redone later.

For a new future SoC+board combination, we may consider this.
Actually we could get rid of the "reg" requirement as well, if would drop
the unit addresses from the placeholders (e.g. "avb: ethernet { ... }", and
"vin2: video-2 { ...}"). Even less to look up in the datasheet...
(to be broken by Rob adding more dtc checks ;-)

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 1/6] arm64: dts: renesas: r8a77965: Add "reg" properties

[Geert Uytterhoeven]

Hi Jacopo,

On Fri, Feb 23, 2018 at 1:22 PM, jacopo mondi <jacopo@jmondi.org> wrote:
> On Fri, Feb 23, 2018 at 10:19:21AM +0100, Geert Uytterhoeven wrote:
>> On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
>> > Add "reg" properties to place-holder nodes with unit address defined for
>> > R-Car M3-N SoC.
>> >
>> > This silences the following DTC compiler warning:
>> > Warning (unit_address_vs_reg): Node /soc/... has a unit name,
>> > but no reg property
>> >
>> > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
>>
>> A few minor nits below...
>>
>> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>>
>> > --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
>> > +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
>>
>> > @@ -520,130 +521,163 @@
>> >                 };
>> >
>> >                 avb: ethernet@e6800000 {
>> > +                       reg = <0 0xe6800000 0 0x800>, <0 0xe6a00000 0 0x10000>;
>>
>> The first reg part would be sufficient for a placeholder.
>> I think even setting the size to zero would work...
>
> Not sure I fully got your point here.
>
> Do you mean I have to remove the second (and third, fourth...)  addresses range block
> in all placeholder device nodes with multiple blocks (avb, du, rcar-sound) ?

No, you don't have to.

> Do you mean I have to set to 0 the address length in all placeholder nodes?
> What's the point if they have to be added back once the device is
> enabled?

No, you don't have to.

The point is to do the minimum amount of work for the placeholders.
But since you've already done the work (and I've done the work to review it),
it doesn't make sense to remove all of this, to be redone later.

For a new future SoC+board combination, we may consider this.
Actually we could get rid of the "reg" requirement as well, if would drop
the unit addresses from the placeholders (e.g. "avb: ethernet { ... }", and
"vin2: video-2 { ...}"). Even less to look up in the datasheet...
(to be broken by Rob adding more dtc checks ;-)

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 1/6] arm64: dts: renesas: r8a77965: Add "reg" properties

[Geert Uytterhoeven]

Hi Jacopo,

On Fri, Feb 23, 2018 at 1:22 PM, jacopo mondi <jacopo@jmondi.org> wrote:
> On Fri, Feb 23, 2018 at 10:19:21AM +0100, Geert Uytterhoeven wrote:
>> On Thu, Feb 22, 2018 at 8:06 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
>> > Add "reg" properties to place-holder nodes with unit address defined for
>> > R-Car M3-N SoC.
>> >
>> > This silences the following DTC compiler warning:
>> > Warning (unit_address_vs_reg): Node /soc/... has a unit name,
>> > but no reg property
>> >
>> > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
>>
>> A few minor nits below...
>>
>> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>>
>> > --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
>> > +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
>>
>> > @@ -520,130 +521,163 @@
>> >                 };
>> >
>> >                 avb: ethernet at e6800000 {
>> > +                       reg = <0 0xe6800000 0 0x800>, <0 0xe6a00000 0 0x10000>;
>>
>> The first reg part would be sufficient for a placeholder.
>> I think even setting the size to zero would work...
>
> Not sure I fully got your point here.
>
> Do you mean I have to remove the second (and third, fourth...)  addresses range block
> in all placeholder device nodes with multiple blocks (avb, du, rcar-sound) ?

No, you don't have to.

> Do you mean I have to set to 0 the address length in all placeholder nodes?
> What's the point if they have to be added back once the device is
> enabled?

No, you don't have to.

The point is to do the minimum amount of work for the placeholders.
But since you've already done the work (and I've done the work to review it),
it doesn't make sense to remove all of this, to be redone later.

For a new future SoC+board combination, we may consider this.
Actually we could get rid of the "reg" requirement as well, if would drop
the unit addresses from the placeholders (e.g. "avb: ethernet { ... }", and
"vin2: video-2 { ...}"). Even less to look up in the datasheet...
(to be broken by Rob adding more dtc checks ;-)

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds