diff options
Diffstat (limited to 'target/linux/at91/patches-5.10/210-ARM-at91-pm-add-support-for-2.5V-LDO-regulator-contr.patch')
| -rw-r--r-- | target/linux/at91/patches-5.10/210-ARM-at91-pm-add-support-for-2.5V-LDO-regulator-contr.patch | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/target/linux/at91/patches-5.10/210-ARM-at91-pm-add-support-for-2.5V-LDO-regulator-contr.patch b/target/linux/at91/patches-5.10/210-ARM-at91-pm-add-support-for-2.5V-LDO-regulator-contr.patch deleted file mode 100644 index ede839bf70..0000000000 --- a/target/linux/at91/patches-5.10/210-ARM-at91-pm-add-support-for-2.5V-LDO-regulator-contr.patch +++ /dev/null @@ -1,79 +0,0 @@ -From b2073cc043612bf95b115bd94103cfb2936f05bf Mon Sep 17 00:00:00 2001 -From: Claudiu Beznea <claudiu.beznea@microchip.com> -Date: Thu, 15 Apr 2021 13:50:00 +0300 -Subject: [PATCH 210/247] ARM: at91: pm: add support for 2.5V LDO regulator - control - -Add support to disable/enable 2.5V LDO regulator when entering/exiting -any ULP mode. - -Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> -Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com> -Link: https://lore.kernel.org/r/20210415105010.569620-15-claudiu.beznea@microchip.com ---- - arch/arm/mach-at91/pm.h | 1 + - arch/arm/mach-at91/pm_suspend.S | 29 +++++++++++++++++++++++++++++ - 2 files changed, 30 insertions(+) - ---- a/arch/arm/mach-at91/pm.h -+++ b/arch/arm/mach-at91/pm.h -@@ -13,6 +13,7 @@ - #include <soc/at91/at91sam9_ddrsdr.h> - #include <soc/at91/at91sam9_sdramc.h> - #include <soc/at91/sama7-ddr.h> -+#include <soc/at91/sama7-sfrbu.h> - - #define AT91_MEMCTRL_MC 0 - #define AT91_MEMCTRL_SDRAMC 1 ---- a/arch/arm/mach-at91/pm_suspend.S -+++ b/arch/arm/mach-at91/pm_suspend.S -@@ -83,6 +83,29 @@ tmp3 .req r6 - - .endm - -+/** -+ * Set state for 2.5V low power regulator -+ * @ena: 0 - disable regulator -+ * 1 - enable regulator -+ * -+ * Side effects: overwrites r7, r8, r9, r10 -+ */ -+ .macro at91_2_5V_reg_set_low_power ena -+#ifdef CONFIG_SOC_SAMA7 -+ ldr r7, .sfrbu -+ mov r8, #\ena -+ ldr r9, [r7, #AT91_SFRBU_25LDOCR] -+ orr r9, r9, #AT91_SFRBU_25LDOCR_LP -+ cmp r8, #1 -+ beq lp_done_\ena -+ bic r9, r9, #AT91_SFRBU_25LDOCR_LP -+lp_done_\ena: -+ ldr r10, =AT91_SFRBU_25LDOCR_LDOANAKEY -+ orr r9, r9, r10 -+ str r9, [r7, #AT91_SFRBU_25LDOCR] -+#endif -+ .endm -+ - .text - - .arm -@@ -906,6 +929,9 @@ save_mck: - - at91_plla_disable - -+ /* Enable low power mode for 2.5V regulator. */ -+ at91_2_5V_reg_set_low_power 1 -+ - ldr tmp3, .pm_mode - cmp tmp3, #AT91_PM_ULP1 - beq ulp1_mode -@@ -918,6 +944,9 @@ ulp1_mode: - b ulp_exit - - ulp_exit: -+ /* Disable low power mode for 2.5V regulator. */ -+ at91_2_5V_reg_set_low_power 0 -+ - ldr pmc, .pmc_base - - at91_plla_enable |