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Output GPIOs should never have a pull-up or pull-down resistor attached
since they're actively driven. Since some GPIOs get initialized with a
pull at power-on reset, we should explicitly overwrite that setting.
Most other platforms do this on gpio_output, but Rockchip hadn't yet.
Also, shuffle some code around to make things cleaner and allow for
easier code reuse.
BRANCH=None
BUG=chrome-os-partner:52526
TEST=Booted Kevin.
Change-Id: I1425d074ea1e90f4484e1e84a8002b057192c5f7
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: df5b236bfd58b172435043c1cb792b917a4ec4ab
Original-Change-Id: I044266d71ef8bd0518316ff72d829d1ca1e30f35
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/382531
Original-Reviewed-by: Simon Glass <sjg@google.com>
Reviewed-on: https://review.coreboot.org/16710
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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The pull bias settings for GPIO0_A, GPIO0_B, GPIO2_C and GPIO2_D
are different from the other GPIO banks.
This patch adds a callback function to get the GPIO pull value
of each SoC(rk3288 and rk3399) so we can still use the common
GPIO driver.
BRANCH=none
BUG=chrome-os-partner:53251
TEST=Jerry and Gru still boot
Change-Id: I2a00b7ffd2699190582f5f50a1e21b61c500bf4f
Signed-off-by: Martin Roth <martinroth@chromium.org>
Original-Commit-Id: 46d5fa7297693216a2da9bcf15ccce4af796e80e
Original-Change-Id: If53f47181bdc235a1ccfefeeb2a77e0eb0e3b1ca
Original-Signed-off-by: Shunqian Zheng <zhengsq@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/358110
Original-Commit-Ready: Julius Werner <jwerner@chromium.org>
Original-Tested-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/15587
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
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Reuse the common gpio driver and implement some stubs
in gpio.h.
RK3288 has one pmu gpio while RK3399 have two.
Please refer to TRM V0.3 Part2 Chapter 11 for GPIO section.
BRANCH=none
BUG=chrome-os-partner:51537
TEST=emerge-kevin coreboot
Change-Id: I041865ce269b0ae1f6a07e6c37d53d565a37c5ef
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: d416ba0ce6a1ff2cf52f6b83ade601d93b40ffeb
Original-Change-Id: I1d213a91ea508997b876441250743671204d7c53
Original-Signed-off-by: huang lin <hl@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/332560
Original-Commit-Ready: Vadim Bendebury <vbendeb@chromium.org>
Original-Tested-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://review.coreboot.org/14713
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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