VB2: fix can2 and can3 coldstart probe fail

Reset pins of external mcp251x can adapters are driven by i2c gpio
extender pins which is probed later than mcp251x. So at probe time
reset pins are low causing probe fail.
Add reset-gpio support to driver. Adjust VB2 dtb.

1 files changed, 14 insertions, 24 deletions

diff --git a/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0040-arm64-dts-renesas-add-ADAS-boards.patch b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0040-arm64-dts-renesas-add-ADAS-boards.patch
index c45344b..bd872ac 100644
--- a/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0040-arm64-dts-renesas-add-ADAS-boards.patch
+++ b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0040-arm64-dts-renesas-add-ADAS-boards.patch
@@ -1,4 +1,4 @@
-From ed78d27af12a2637fe9ae17e96a9af35a046d486 Mon Sep 17 00:00:00 2001
+From fbc9403a97c602447751b49aa9d4d9cea56fef4c Mon Sep 17 00:00:00 2001
 From: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
 Date: Fri, 14 Jul 2017 15:05:42 +0300
 Subject: [PATCH] arm64: dts: renesas: add ADAS boards
@@ -78,24 +78,24 @@ Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
  arch/arm64/boot/dts/renesas/r8a7797-es1-v3msk.dts  |   17 +
  arch/arm64/boot/dts/renesas/r8a7797-es1.dtsi       |  116 ++
  arch/arm64/boot/dts/renesas/r8a7797-v3msk-kf.dts   |  520 ++++++
- .../boot/dts/renesas/r8a7797-v3msk-vbm-v2.dts      |   82 +
+ .../boot/dts/renesas/r8a7797-v3msk-vbm-v2.dts      |   81 +
  arch/arm64/boot/dts/renesas/r8a7797-v3msk-vbm.dts  |  507 ++++++
  arch/arm64/boot/dts/renesas/r8a7797-v3msk-view.dts |  297 ++++
  arch/arm64/boot/dts/renesas/r8a7797-v3msk.dts      |  345 ++++
  arch/arm64/boot/dts/renesas/r8a7797-v3mzf.dts      |  462 ++++++
  arch/arm64/boot/dts/renesas/r8a7798-condor.dts     |  963 ++++++++++++
- .../boot/dts/renesas/r8a7798-v3hsk-vbm-v2.dts      |   73 +
+ .../boot/dts/renesas/r8a7798-v3hsk-vbm-v2.dts      |   72 +
  arch/arm64/boot/dts/renesas/r8a7798-v3hsk-vbm.dts  |  505 ++++++
  arch/arm64/boot/dts/renesas/r8a7798-v3hsk.dts      |  358 +++++
  arch/arm64/boot/dts/renesas/ulcb-kf-cn11.dtsi      |  462 ++++++
  arch/arm64/boot/dts/renesas/ulcb-kf-most.dtsi      |   30 +
  arch/arm64/boot/dts/renesas/ulcb-kf-sd3.dtsi       |   46 +
- arch/arm64/boot/dts/renesas/ulcb-kf.dtsi           | 1458 +++++++++++++++++
+ arch/arm64/boot/dts/renesas/ulcb-kf.dtsi           | 1456 +++++++++++++++++
  arch/arm64/boot/dts/renesas/ulcb-vb-cn12.dtsi      |  459 ++++++
  arch/arm64/boot/dts/renesas/ulcb-vb.dtsi           | 1610 +++++++++++++++++++
- arch/arm64/boot/dts/renesas/ulcb-vb2.dtsi          | 1660 ++++++++++++++++++++
+ arch/arm64/boot/dts/renesas/ulcb-vb2.dtsi          | 1650 ++++++++++++++++++++
  arch/arm64/boot/dts/renesas/ulcb-vbm.dtsi          |  543 +++++++
- 60 files changed, 21143 insertions(+)
+ 60 files changed, 21129 insertions(+)
  create mode 100644 arch/arm64/boot/dts/renesas/legacy/Makefile
  create mode 100644 arch/arm64/boot/dts/renesas/legacy/r8a7795-es1-h3ulcb-kf-v0.dts
  create mode 100644 arch/arm64/boot/dts/renesas/legacy/r8a7795-es1-h3ulcb-kf-v1.dts
@@ -11703,7 +11703,7 @@ index 0000000..862236f
 +};
 diff --git a/arch/arm64/boot/dts/renesas/r8a7797-v3msk-vbm-v2.dts b/arch/arm64/boot/dts/renesas/r8a7797-v3msk-vbm-v2.dts
 new file mode 100644
-index 0000000..dbbd3d2
+index 0000000..74a3df6
 --- /dev/null
 +++ b/arch/arm64/boot/dts/renesas/r8a7797-v3msk-vbm-v2.dts
 @@ -0,0 +1,81 @@
@@ -12957,7 +12957,7 @@ index 0000000..33c6c0d
 +};
 diff --git a/arch/arm64/boot/dts/renesas/r8a7797-v3mzf.dts b/arch/arm64/boot/dts/renesas/r8a7797-v3mzf.dts
 new file mode 100644
-index 0000000..246e71d
+index 0000000..71d7bad
 --- /dev/null
 +++ b/arch/arm64/boot/dts/renesas/r8a7797-v3mzf.dts
 @@ -0,0 +1,462 @@
@@ -14394,7 +14394,7 @@ index 0000000..4dd7a28
 +};
 diff --git a/arch/arm64/boot/dts/renesas/r8a7798-v3hsk-vbm-v2.dts b/arch/arm64/boot/dts/renesas/r8a7798-v3hsk-vbm-v2.dts
 new file mode 100644
-index 0000000..56d4253
+index 0000000..7bf1d6f
 --- /dev/null
 +++ b/arch/arm64/boot/dts/renesas/r8a7798-v3hsk-vbm-v2.dts
 @@ -0,0 +1,72 @@
@@ -15903,7 +15903,7 @@ index 0000000..b854216
 +};
 diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
 new file mode 100644
-index 0000000..447cfc3
+index 0000000..0a927e2
 --- /dev/null
 +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
 @@ -0,0 +1,1456 @@
@@ -19446,10 +19446,10 @@ index 0000000..0185e46
 +//#include "ulcb-vb-cn12.dtsi"
 diff --git a/arch/arm64/boot/dts/renesas/ulcb-vb2.dtsi b/arch/arm64/boot/dts/renesas/ulcb-vb2.dtsi
 new file mode 100644
-index 0000000..280c3b7
+index 0000000..509c7f3
 --- /dev/null
 +++ b/arch/arm64/boot/dts/renesas/ulcb-vb2.dtsi
-@@ -0,0 +1,1660 @@
+@@ -0,0 +1,1650 @@
 +/*
 + * Device Tree Source for the ULCB Videobox V2 board
 + *
@@ -19654,6 +19654,7 @@ index 0000000..280c3b7
 +		spican0: spidev@0 {
 +			compatible = "microchip,mcp2515";
 +			reg = <0>;
++			reset-gpios = <&gpio_ext_pwr 8 GPIO_ACTIVE_HIGH>;
 +			clocks = <&excan_ref_clk>;
 +			interrupt-parent = <&gpio0>;
 +			interrupts = <15 GPIO_ACTIVE_LOW>;
@@ -19662,6 +19663,7 @@ index 0000000..280c3b7
 +		spican1: spidev@1 {
 +			compatible = "microchip,mcp2515";
 +			reg = <1>;
++			reset-gpios = <&gpio_ext_pwr 9 GPIO_ACTIVE_HIGH>;
 +			clocks = <&excan_ref_clk>;
 +			interrupt-parent = <&gpio1>;
 +			interrupts = <5 GPIO_ACTIVE_LOW>;
@@ -20618,12 +20620,6 @@ index 0000000..280c3b7
 +					output-high;
 +					line-name = "can2_120R_load";
 +				};
-+				can2_rst {
-+					gpio-hog;
-+					gpios = <8 GPIO_ACTIVE_HIGH>;
-+					output-high;
-+					line-name = "can2_rst";
-+				};
 +				/* CAN3 */
 +				can3_stby {
 +					gpio-hog;
@@ -20637,12 +20633,6 @@ index 0000000..280c3b7
 +					output-high;
 +					line-name = "can3_120R_load";
 +				};
-+				can3_rst {
-+					gpio-hog;
-+					gpios = <9 GPIO_ACTIVE_HIGH>;
-+					output-high;
-+					line-name = "can3_rst";
-+				};
 +			};
 +		};
 +