diff options
| author | Fabien Parent <fparent@baylibre.com> | 2022-10-31 10:33:57 +0100 |
|---|---|---|
| committer | Matthias Brugger <matthias.bgg@gmail.com> | 2022-11-21 19:25:34 +0100 |
| commit | 55924157da8cd24f107c786a162f89a5a066c293 (patch) | |
| tree | ee15e452ff288743468fcf156d4e56c8a4bbd207 /drivers/soc | |
| parent | 415c0282f370fa57171bed5a8bc3a6f018a64d18 (diff) | |
| download | linux-55924157da8cd24f107c786a162f89a5a066c293.tar.bz2 | |
soc: mediatek: pwrap: add support for sys & tmr clocks
MT8365 requires an extra 2 clocks to be enabled to behave correctly.
Add support these 2 clocks, they are made optional since they seem to
be present only on MT8365.
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Fadwa CHIBY <fchiby@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221031093401.22916-3-fchiby@baylibre.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/mediatek/mtk-pmic-wrap.c | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c index eb82ae06697f..d56b00023ccd 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -1171,6 +1171,8 @@ struct pmic_wrapper { const struct pwrap_slv_type *slave; struct clk *clk_spi; struct clk *clk_wrap; + struct clk *clk_sys; + struct clk *clk_tmr; struct reset_control *rstc; struct reset_control *rstc_bridge; @@ -2214,6 +2216,20 @@ static int pwrap_probe(struct platform_device *pdev) return PTR_ERR(wrp->clk_wrap); } + wrp->clk_sys = devm_clk_get_optional(wrp->dev, "sys"); + if (IS_ERR(wrp->clk_sys)) { + return dev_err_probe(wrp->dev, PTR_ERR(wrp->clk_sys), + "failed to get clock: %pe\n", + wrp->clk_sys); + } + + wrp->clk_tmr = devm_clk_get_optional(wrp->dev, "tmr"); + if (IS_ERR(wrp->clk_tmr)) { + return dev_err_probe(wrp->dev, PTR_ERR(wrp->clk_tmr), + "failed to get clock: %pe\n", + wrp->clk_tmr); + } + ret = clk_prepare_enable(wrp->clk_spi); if (ret) return ret; @@ -2222,6 +2238,14 @@ static int pwrap_probe(struct platform_device *pdev) if (ret) goto err_out1; + ret = clk_prepare_enable(wrp->clk_sys); + if (ret) + goto err_out2; + + ret = clk_prepare_enable(wrp->clk_tmr); + if (ret) + goto err_out3; + /* Enable internal dynamic clock */ if (HAS_CAP(wrp->master->caps, PWRAP_CAP_DCM)) { pwrap_writel(wrp, 1, PWRAP_DCM_EN); @@ -2236,7 +2260,7 @@ static int pwrap_probe(struct platform_device *pdev) ret = pwrap_init(wrp); if (ret) { dev_dbg(wrp->dev, "init failed with %d\n", ret); - goto err_out2; + goto err_out4; } } @@ -2250,7 +2274,7 @@ static int pwrap_probe(struct platform_device *pdev) if (!(pwrap_readl(wrp, PWRAP_WACS2_RDATA) & mask_done)) { dev_dbg(wrp->dev, "initialization isn't finished\n"); ret = -ENODEV; - goto err_out2; + goto err_out4; } /* Initialize watchdog, may not be done by the bootloader */ @@ -2288,7 +2312,7 @@ static int pwrap_probe(struct platform_device *pdev) IRQF_TRIGGER_HIGH, "mt-pmic-pwrap", wrp); if (ret) - goto err_out2; + goto err_out4; wrp->regmap = devm_regmap_init(wrp->dev, NULL, wrp, wrp->slave->regops->regmap); if (IS_ERR(wrp->regmap)) { @@ -2300,11 +2324,15 @@ static int pwrap_probe(struct platform_device *pdev) if (ret) { dev_dbg(wrp->dev, "failed to create child devices at %pOF\n", np); - goto err_out2; + goto err_out4; } return 0; +err_out4: + clk_disable_unprepare(wrp->clk_tmr); +err_out3: + clk_disable_unprepare(wrp->clk_sys); err_out2: clk_disable_unprepare(wrp->clk_wrap); err_out1: |