diff options
| author | mason.huo <mason.huo@starfivetech.com> | 2022-06-07 10:30:18 +0300 |
|---|---|---|
| committer | mason.huo <mason.huo@starfivetech.com> | 2022-06-07 13:33:22 +0300 |
| commit | 331e04089490f60357d1a73972a5e30a49dcdbcd (patch) | |
| tree | e26cb456edcd251f90a43f08cb248aff7449b236 /drivers/media/platform/starfive/v4l2_driver/stf_csi_hw_ops.c | |
| parent | 80f85ca138889ca5bc2999729f3fc1dd05994ae8 (diff) | |
| download | linux-331e04089490f60357d1a73972a5e30a49dcdbcd.tar.xz | |
regulator: stf7110: Add regulator APIs for hdmi & csi driver
The hdmi & csi driver use the legacy pmic driver APIs to
power on/off related LDOs.
After employed regulator framework for pmic,
add the regulator APIs to control the LDOs.
Signed-off-by: mason.huo <mason.huo@starfivetech.com>
Diffstat (limited to 'drivers/media/platform/starfive/v4l2_driver/stf_csi_hw_ops.c')
| -rwxr-xr-x | drivers/media/platform/starfive/v4l2_driver/stf_csi_hw_ops.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/media/platform/starfive/v4l2_driver/stf_csi_hw_ops.c b/drivers/media/platform/starfive/v4l2_driver/stf_csi_hw_ops.c index f49528acc808..a44ce26c538d 100755 --- a/drivers/media/platform/starfive/v4l2_driver/stf_csi_hw_ops.c +++ b/drivers/media/platform/starfive/v4l2_driver/stf_csi_hw_ops.c @@ -39,11 +39,37 @@ static int stf_csi_power_on(struct stf_csi_dev *csi_dev, u8 on) { void __iomem *aon_syscon; + int ret; + + if (on) { + ret = regulator_enable(csi_dev->mipirx_1p8); + if (ret) { + st_err(ST_CSI, "Cannot enable mipirx_1p8 regulator\n"); + goto err_1p8; + } + + ret = regulator_enable(csi_dev->mipirx_0p9); + if (ret) { + st_err(ST_CSI, "Cannot enable mipirx_0p9 regulator\n"); + goto err_0p9; + } + } + else + { + regulator_disable(csi_dev->mipirx_1p8); + regulator_disable(csi_dev->mipirx_0p9); + } aon_syscon = ioremap(0x17010000, 0x4); reg_write(aon_syscon, 0x00, 0x80000000); return 0; + +err_0p9: + regulator_disable(csi_dev->mipirx_1p8); +err_1p8: + return ret; + } static int stf_csi_clk_enable(struct stf_csi_dev *csi_dev) |