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-rw-r--r--arch/arm/boot/dts/lan966x-pcb8291.dts20
-rw-r--r--arch/arm/boot/dts/sama7g5-pinfunc.h2
-rw-r--r--arch/arm/mach-at91/pm_suspend.S7
-rw-r--r--include/soc/at91/sama7-ddr.h5
4 files changed, 31 insertions, 3 deletions
diff --git a/arch/arm/boot/dts/lan966x-pcb8291.dts b/arch/arm/boot/dts/lan966x-pcb8291.dts
index f4f054cdf2a8..3a3d76af8612 100644
--- a/arch/arm/boot/dts/lan966x-pcb8291.dts
+++ b/arch/arm/boot/dts/lan966x-pcb8291.dts
@@ -69,6 +69,12 @@
pins = "GPIO_35", "GPIO_36";
function = "can0_b";
};
+
+ sgpio_a_pins: sgpio-a-pins {
+ /* SCK, D0, D1, LD */
+ pins = "GPIO_32", "GPIO_33", "GPIO_34", "GPIO_35";
+ function = "sgpio_a";
+ };
};
&can0 {
@@ -118,6 +124,20 @@
status = "okay";
};
+&sgpio {
+ pinctrl-0 = <&sgpio_a_pins>;
+ pinctrl-names = "default";
+ microchip,sgpio-port-ranges = <0 3>, <8 11>;
+ status = "okay";
+
+ gpio@0 {
+ ngpios = <64>;
+ };
+ gpio@1 {
+ ngpios = <64>;
+ };
+};
+
&switch {
status = "okay";
};
diff --git a/arch/arm/boot/dts/sama7g5-pinfunc.h b/arch/arm/boot/dts/sama7g5-pinfunc.h
index 4eb30445d205..6e87f0d4b8fc 100644
--- a/arch/arm/boot/dts/sama7g5-pinfunc.h
+++ b/arch/arm/boot/dts/sama7g5-pinfunc.h
@@ -261,7 +261,7 @@
#define PIN_PB2__FLEXCOM6_IO0 PINMUX_PIN(PIN_PB2, 2, 1)
#define PIN_PB2__ADTRG PINMUX_PIN(PIN_PB2, 3, 1)
#define PIN_PB2__A20 PINMUX_PIN(PIN_PB2, 4, 1)
-#define PIN_PB2__FLEXCOM11_IO0 PINMUX_PIN(PIN_PB2, 6, 3)
+#define PIN_PB2__FLEXCOM11_IO1 PINMUX_PIN(PIN_PB2, 6, 3)
#define PIN_PB3 35
#define PIN_PB3__GPIO PINMUX_PIN(PIN_PB3, 0, 0)
#define PIN_PB3__RF1 PINMUX_PIN(PIN_PB3, 1, 1)
diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S
index ffed4d949042..e4904faf1753 100644
--- a/arch/arm/mach-at91/pm_suspend.S
+++ b/arch/arm/mach-at91/pm_suspend.S
@@ -169,10 +169,15 @@ sr_ena_2:
cmp tmp1, #UDDRC_STAT_SELFREF_TYPE_SW
bne sr_ena_2
- /* Put DDR PHY's DLL in bypass mode for non-backup modes. */
+ /* Disable DX DLLs for non-backup modes. */
cmp r7, #AT91_PM_BACKUP
beq sr_ena_3
+ /* Do not soft reset the AC DLL. */
+ ldr tmp1, [r3, DDR3PHY_ACDLLCR]
+ bic tmp1, tmp1, DDR3PHY_ACDLLCR_DLLSRST
+ str tmp1, [r3, DDR3PHY_ACDLLCR]
+
/* Disable DX DLLs. */
ldr tmp1, [r3, #DDR3PHY_DX0DLLCR]
orr tmp1, tmp1, #DDR3PHY_DXDLLCR_DLLDIS
diff --git a/include/soc/at91/sama7-ddr.h b/include/soc/at91/sama7-ddr.h
index 6ce3bd22f6c6..5ad7ac2e3a7c 100644
--- a/include/soc/at91/sama7-ddr.h
+++ b/include/soc/at91/sama7-ddr.h
@@ -26,7 +26,10 @@
#define DDR3PHY_PGSR (0x0C) /* DDR3PHY PHY General Status Register */
#define DDR3PHY_PGSR_IDONE (1 << 0) /* Initialization Done */
-#define DDR3PHY_ACIOCR (0x24) /* DDR3PHY AC I/O Configuration Register */
+#define DDR3PHY_ACDLLCR (0x14) /* DDR3PHY AC DLL Control Register */
+#define DDR3PHY_ACDLLCR_DLLSRST (1 << 30) /* DLL Soft Reset */
+
+#define DDR3PHY_ACIOCR (0x24) /* DDR3PHY AC I/O Configuration Register */
#define DDR3PHY_ACIOCR_CSPDD_CS0 (1 << 18) /* CS#[0] Power Down Driver */
#define DDR3PHY_ACIOCR_CKPDD_CK0 (1 << 8) /* CK[0] Power Down Driver */
#define DDR3PHY_ACIORC_ACPDD (1 << 3) /* AC Power Down Driver */