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authorOlof Johansson <olof@lixom.net>2017-03-22 03:32:54 +0300
committerOlof Johansson <olof@lixom.net>2017-03-22 03:32:54 +0300
commit6479ca8e59d1df54f8406e4c604bc2bf47241b2b (patch)
treeeb02a525b57faea99fcbfb6666a9cacc6b6b4f48 /arch
parent6014ce8559934580c919485fdc96b4d2d4b18c12 (diff)
parent60b89f1928af80b546b5c3fd8714a62f6f4b8844 (diff)
downloadlinux-6479ca8e59d1df54f8406e4c604bc2bf47241b2b.tar.xz
Merge tag 'at91-ab-4.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into fixes
Fixes for 4.11: - Fix USB host for sama5d2 - Fix cpuidle on sama5 * tag 'at91-ab-4.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: ARM: at91: pm: cpu_idle: switch DDR to power-down mode Revert "ARM: at91/dt: sama5d2: Use new compatible for ohci node" Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/sama5d2.dtsi2
-rw-r--r--arch/arm/mach-at91/pm.c18
2 files changed, 18 insertions, 2 deletions
diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
index 22332be72140..528b4e9c6d3d 100644
--- a/arch/arm/boot/dts/sama5d2.dtsi
+++ b/arch/arm/boot/dts/sama5d2.dtsi
@@ -266,7 +266,7 @@
};
usb1: ohci@00400000 {
- compatible = "atmel,sama5d2-ohci", "usb-ohci";
+ compatible = "atmel,at91rm9200-ohci", "usb-ohci";
reg = <0x00400000 0x100000>;
interrupts = <41 IRQ_TYPE_LEVEL_HIGH 2>;
clocks = <&uhphs_clk>, <&uhphs_clk>, <&uhpck>;
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 3d89b7905bd9..a277981f414d 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -289,6 +289,22 @@ static void at91_ddr_standby(void)
at91_ramc_write(1, AT91_DDRSDRC_LPR, saved_lpr1);
}
+static void sama5d3_ddr_standby(void)
+{
+ u32 lpr0;
+ u32 saved_lpr0;
+
+ saved_lpr0 = at91_ramc_read(0, AT91_DDRSDRC_LPR);
+ lpr0 = saved_lpr0 & ~AT91_DDRSDRC_LPCB;
+ lpr0 |= AT91_DDRSDRC_LPCB_POWER_DOWN;
+
+ at91_ramc_write(0, AT91_DDRSDRC_LPR, lpr0);
+
+ cpu_do_idle();
+
+ at91_ramc_write(0, AT91_DDRSDRC_LPR, saved_lpr0);
+}
+
/* We manage both DDRAM/SDRAM controllers, we need more than one value to
* remember.
*/
@@ -323,7 +339,7 @@ static const struct of_device_id const ramc_ids[] __initconst = {
{ .compatible = "atmel,at91rm9200-sdramc", .data = at91rm9200_standby },
{ .compatible = "atmel,at91sam9260-sdramc", .data = at91sam9_sdram_standby },
{ .compatible = "atmel,at91sam9g45-ddramc", .data = at91_ddr_standby },
- { .compatible = "atmel,sama5d3-ddramc", .data = at91_ddr_standby },
+ { .compatible = "atmel,sama5d3-ddramc", .data = sama5d3_ddr_standby },
{ /*sentinel*/ }
};