[U-Boot] [PATCH 09/12] board: ti: dra76-evm: Add support for powering on mmc ldo

Lokesh Vutla lokeshvutla at ti.com
Sat Aug 12 06:29:30 UTC 2017


ldo4 is used to poweron mmc on dra76-evm. Enable it.

Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
---
 board/ti/dra7xx/evm.c | 2 ++
 include/palmas.h      | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c
index d66bbeafca..14c06f5eda 100644
--- a/board/ti/dra7xx/evm.c
+++ b/board/ti/dra7xx/evm.c
@@ -837,6 +837,8 @@ void board_mmc_poweron_ldo(uint voltage)
 		else if (voltage == LDO_VOLT_1V8)
 			voltage = 0xa;
 		lp873x_mmc1_poweron_ldo(voltage);
+	} else if (board_is_dra76x_evm()) {
+		palmas_mmc1_poweron_ldo(LDO4_VOLTAGE, LDO4_CTRL, voltage);
 	} else {
 		palmas_mmc1_poweron_ldo(LDO1_VOLTAGE, LDO1_CTRL, voltage);
 	}
diff --git a/include/palmas.h b/include/palmas.h
index 404c2b3ca7..d366c98d22 100644
--- a/include/palmas.h
+++ b/include/palmas.h
@@ -38,6 +38,10 @@
 #define LDO2_CTRL		0x52
 #define LDO2_VOLTAGE		0x53
 
+/* LDO2 control/voltage */
+#define LDO4_CTRL		0x5e
+#define LDO4_VOLTAGE		0x5f
+
 /* LDO9 control/voltage */
 #define LDO9_CTRL		0x60
 #define LDO9_VOLTAGE		0x61
-- 
2.13.0



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