at91: kernel v5.15: copy config and patches from 5.10

Copy kernel config and patches from 5.10. Along with it
individual targets' config-default from 5.10 has been moved to
config-5.10.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/target/linux/at91/patches-5.15/212-ARM-at91-pm-add-sama7g5-ddr-controller.patch b/target/linux/at91/patches-5.15/212-ARM-at91-pm-add-sama7g5-ddr-controller.patch
new file mode 100644
index 0000000000..e496245061
--- /dev/null
+++ b/target/linux/at91/patches-5.15/212-ARM-at91-pm-add-sama7g5-ddr-controller.patch
@@ -0,0 +1,40 @@
+From 3f55310c00b8c478da1458704027036c1a414973 Mon Sep 17 00:00:00 2001
+From: Claudiu Beznea <claudiu.beznea@microchip.com>
+Date: Thu, 15 Apr 2021 13:50:03 +0300
+Subject: [PATCH 212/247] ARM: at91: pm: add sama7g5 ddr controller
+
+Add SAMA7G5 DDR controller to the list of DDR controller compatibles.
+At the moment there is no standby support. Adapt the code for this.
+
+Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
+Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
+Link: https://lore.kernel.org/r/20210415105010.569620-18-claudiu.beznea@microchip.com
+---
+ arch/arm/mach-at91/pm.c | 9 ++++++---
+ 1 file changed, 6 insertions(+), 3 deletions(-)
+
+--- a/arch/arm/mach-at91/pm.c
++++ b/arch/arm/mach-at91/pm.c
+@@ -548,6 +548,7 @@ static const struct of_device_id ramc_id
+ 	{ .compatible = "atmel,at91sam9260-sdramc", .data = &ramc_infos[1] },
+ 	{ .compatible = "atmel,at91sam9g45-ddramc", .data = &ramc_infos[2] },
+ 	{ .compatible = "atmel,sama5d3-ddramc", .data = &ramc_infos[3] },
++	{ .compatible = "microchip,sama7g5-uddrc", },
+ 	{ /*sentinel*/ }
+ };
+ 
+@@ -569,9 +570,11 @@ static __init int at91_dt_ramc(void)
+ 		}
+ 
+ 		ramc = of_id->data;
+-		if (!standby)
+-			standby = ramc->idle;
+-		soc_pm.data.memctrl = ramc->memctrl;
++		if (ramc) {
++			if (!standby)
++				standby = ramc->idle;
++			soc_pm.data.memctrl = ramc->memctrl;
++		}
+ 
+ 		idx++;
+ 	}