* [U-Boot] [PATCH] board: ti: dra71x-evm: Hook LDO1 of LP8733 to EN_PIN
@ 2017-10-12 4:48 Keerthy
2017-10-12 22:29 ` Tom Rini
2017-11-17 15:42 ` [U-Boot] " Tom Rini
0 siblings, 2 replies; 3+ messages in thread
From: Keerthy @ 2017-10-12 4:48 UTC (permalink / raw)
To: u-boot
All regulators are hooked to EN_Pin at reset so that EN Pin controls
their state. Hook the LDO1 regulator to EN pin which at reset is not
hooked. This applies only to LP8733.
Signed-off-by: Keerthy <j-keerthy@ti.com>
---
board/ti/dra7xx/evm.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c
index 25ffdfb..441f14f 100644
--- a/board/ti/dra7xx/evm.c
+++ b/board/ti/dra7xx/evm.c
@@ -682,6 +682,13 @@ int board_late_init(void)
omap_die_id_serial();
omap_set_fastboot_vars();
+
+ /*
+ * Hook the LDO1 regulator to EN pin. This applies only to LP8733
+ * Rest all regulators are hooked to EN Pin at reset.
+ */
+ if (board_is_dra71x_evm())
+ palmas_i2c_write_u8(LP873X_I2C_SLAVE_ADDR, 0x9, 0x7);
#endif
return 0;
}
--
1.9.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [U-Boot] [PATCH] board: ti: dra71x-evm: Hook LDO1 of LP8733 to EN_PIN
2017-10-12 4:48 [U-Boot] [PATCH] board: ti: dra71x-evm: Hook LDO1 of LP8733 to EN_PIN Keerthy
@ 2017-10-12 22:29 ` Tom Rini
2017-11-17 15:42 ` [U-Boot] " Tom Rini
1 sibling, 0 replies; 3+ messages in thread
From: Tom Rini @ 2017-10-12 22:29 UTC (permalink / raw)
To: u-boot
On Thu, Oct 12, 2017 at 10:18:45AM +0530, Keerthy wrote:
> All regulators are hooked to EN_Pin at reset so that EN Pin controls
> their state. Hook the LDO1 regulator to EN pin which at reset is not
> hooked. This applies only to LP8733.
>
> Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
--
Tom
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^ permalink raw reply [flat|nested] 3+ messages in thread
* [U-Boot] board: ti: dra71x-evm: Hook LDO1 of LP8733 to EN_PIN
2017-10-12 4:48 [U-Boot] [PATCH] board: ti: dra71x-evm: Hook LDO1 of LP8733 to EN_PIN Keerthy
2017-10-12 22:29 ` Tom Rini
@ 2017-11-17 15:42 ` Tom Rini
1 sibling, 0 replies; 3+ messages in thread
From: Tom Rini @ 2017-11-17 15:42 UTC (permalink / raw)
To: u-boot
On Thu, Oct 12, 2017 at 10:18:45AM +0530, Keerthy wrote:
> All regulators are hooked to EN_Pin at reset so that EN Pin controls
> their state. Hook the LDO1 regulator to EN pin which at reset is not
> hooked. This applies only to LP8733.
>
> Signed-off-by: Keerthy <j-keerthy@ti.com>
> Reviewed-by: Tom Rini <trini@konsulko.com>
Applied to u-boot/master, thanks!
--
Tom
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2017-10-12 4:48 [U-Boot] [PATCH] board: ti: dra71x-evm: Hook LDO1 of LP8733 to EN_PIN Keerthy
2017-10-12 22:29 ` Tom Rini
2017-11-17 15:42 ` [U-Boot] " Tom Rini
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