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path: root/src/soc/rockchip/common/gpio.c
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2016-10-04rockchip: Remove pulls for gpio_output(), clean up codeJulius Werner
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>
2016-07-12rockchip/rk3399: Fix pinctrl pull bias settingsShunqian Zheng
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>
2016-05-09rockchip: refactor gpio driverShunqian Zheng
The gpio of rockchip SoCs(rk3288 & rk3399) are the same IP, moving the gpio code of rk3288 to common then can be reused on rk3399. BRANCH=none BUG=chrome-os-partner:51537 TEST=build and boot into chromeos on veyron_jerry Change-Id: I10a4b9d32afe60fd52512f2ad0007e9d2785033b Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 1c0c4b4b999790b0be7b0eeb70d2a7a86158f779 Original-Change-Id: If13b7760108831d81e8e8c950cdf61724d497b17 Original-Signed-off-by: Shunqian Zheng <zhengsq@rock-chips.com> Original-Reviewed-on: https://chromium-review.googlesource.com/339846 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/14712 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>