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authorTom Rini <trini@konsulko.com>2022-10-18 07:36:39 -0400
committerTom Rini <trini@konsulko.com>2022-10-18 07:36:39 -0400
commitd3031d442b941f059eb83bb67ca10a28a0539f9a (patch)
tree13a07d04d5ad600973b2d2086a8edaba35c5658c /board/dhelectronics/dh_stm32mp1/board.c
parent17196e446b6ea11220c3e08cebff839f999e0185 (diff)
parentc37a6684818d41051c54f814863429536aa972be (diff)
Merge tag 'u-boot-stm32-20221018' of https://source.denx.de/u-boot/custodians/u-boot-stm
- stm32mp: fix compilation issue with DEBUG_UART - DT update : - Remove buck3 regulator-always-on on AV96 - Enable btrfs support on DHSOM - Drop extra newline from AV96 U-Boot extras DT - Add DHCOR based Testbench board - Fix and expand PLL configuration comments - update SCMI dedicated file
Diffstat (limited to 'board/dhelectronics/dh_stm32mp1/board.c')
-rw-r--r--board/dhelectronics/dh_stm32mp1/board.c41
1 files changed, 28 insertions, 13 deletions
diff --git a/board/dhelectronics/dh_stm32mp1/board.c b/board/dhelectronics/dh_stm32mp1/board.c
index 2bc0d7b943a..8d8104ad4bd 100644
--- a/board/dhelectronics/dh_stm32mp1/board.c
+++ b/board/dhelectronics/dh_stm32mp1/board.c
@@ -547,7 +547,7 @@ static int board_get_regulator_buck3_nvm_uv_av96(int *uv)
if (!prop || !len)
return -ENODEV;
- if (!strstr(prop, "avenger96"))
+ if (!strstr(prop, "avenger96") && !strstr(prop, "dhcor-testbench"))
return -EINVAL;
/* Read out STPMIC1 NVM and determine default Buck3 voltage. */
@@ -564,18 +564,32 @@ static int board_get_regulator_buck3_nvm_uv_av96(int *uv)
bucks_vout >>= STPMIC_NVM_BUCKS_VOUT_SHR_BUCK_OFFSET(3);
bucks_vout &= STPMIC_NVM_BUCKS_VOUT_SHR_BUCK_MASK;
- /*
- * Avenger96 board comes in multiple regulator configurations:
- * - rev.100 or rev.200 have Buck3 preconfigured to 3V3 operation on
- * boot and contains extra Enpirion EP53A8LQI DCDC converter which
- * supplies the IO. Reduce Buck3 voltage to 2V9 to not waste power.
- * - rev.200L have Buck3 preconfigured to 1V8 operation and have no
- * Enpirion EP53A8LQI DCDC anymore, the IO is supplied from Buck3.
- */
- if (bucks_vout == STPMIC_NVM_BUCKS_VOUT_SHR_BUCK_3V3)
- *uv = 2900000;
- else
- *uv = 1800000;
+ if (strstr(prop, "avenger96")) {
+ /*
+ * Avenger96 board comes in multiple regulator configurations:
+ * - rev.100 or rev.200 have Buck3 preconfigured to
+ * 3V3 operation on boot and contains extra Enpirion
+ * EP53A8LQI DCDC converter which supplies the IO.
+ * Reduce Buck3 voltage to 2V9 to not waste power.
+ * - rev.200L have Buck3 preconfigured to 1V8 operation
+ * and have no Enpirion EP53A8LQI DCDC anymore, the
+ * IO is supplied from Buck3.
+ */
+ if (bucks_vout == STPMIC_NVM_BUCKS_VOUT_SHR_BUCK_3V3)
+ *uv = 2900000;
+ else
+ *uv = 1800000;
+ } else {
+ /* Testbench always respects Buck3 NVM settings */
+ if (bucks_vout == STPMIC_NVM_BUCKS_VOUT_SHR_BUCK_3V3)
+ *uv = 3300000;
+ else if (bucks_vout == STPMIC_NVM_BUCKS_VOUT_SHR_BUCK_3V0)
+ *uv = 3000000;
+ else if (bucks_vout == STPMIC_NVM_BUCKS_VOUT_SHR_BUCK_1V8)
+ *uv = 1800000;
+ else /* STPMIC_NVM_BUCKS_VOUT_SHR_BUCK_1V2 */
+ *uv = 1200000;
+ }
return 0;
}
@@ -595,6 +609,7 @@ static void board_init_regulator_av96(void)
/* Adjust Buck3 per preconfigured PMIC voltage from NVM. */
regulator_set_value(rdev, uv);
+ regulator_set_enable(rdev, true);
}
static void board_init_regulator(void)