Messages in this thread Patch in this message |  | | Date | Tue, 16 Apr 2019 09:21:50 -0700 | Subject | [PATCH 2/3] ARM: dts: aspeed: zaius: update 12V brick I2C address | From | Patrick Venture <> |
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From: Robert Lippert <rlippert@google.com>
The I2C address of the brick is different depending on the board SKU.
Update the values to instantiate addresses which work for most boards.
Signed-off-by: Robert Lippert <rlippert@google.com> Signed-off-by: Patrick Venture <venture@google.com> --- arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts b/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts index 63e892f16d050..51265af622574 100644 --- a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts +++ b/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts @@ -328,10 +328,21 @@ * LM5066I PMBUS @10h */ - /* 12V Quarter Brick DC/DC Converter Q54SJ12050 @61h */ - power-brick@61 { + /* + * Brick will be one of these types/addresses. Depending + * on the board SKU only one is actually present and will successfully + * instantiate while the others will fail the probe operation. + * These are the PVT (and presumably beyond) addresses: + * 12V Quarter Brick DC/DC Converter Q54SJ12050 @6Ah + * 12V Quarter Brick DC/DC Converter Q54SH12050 @30h + */ + power-brick@6a { + compatible = "delta,dps800"; + reg = <0x6a>; + }; + power-brick@30 { compatible = "delta,dps800"; - reg = <0x61>; + reg = <0x30>; }; /* CPU0 VR ISL68137 0.7V, 0.96V PMBUS @64h */ @@ -342,7 +353,6 @@ /* Master selector PCA9541A @70h (other master: CPU0) * LM5066I PMBUS @10h */ - /* 12V SMPS Q54SH12050NNDH @61h */ }; &i2c8 { -- 2.21.0.392.gf8f6787159e-goog
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