From: Kuogee Hsieh <quic_khsieh@quicinc.com> To: <dri-devel@lists.freedesktop.org>, <robdclark@gmail.com>, <sean@poorly.run>, <swboyd@chromium.org>, <dianders@chromium.org>, <vkoul@kernel.org>, <daniel@ffwll.ch>, <airlied@linux.ie>, <agross@kernel.org>, <dmitry.baryshkov@linaro.org>, <bjorn.andersson@linaro.org> Cc: Kuogee Hsieh <quic_khsieh@quicinc.com>, <quic_abhinavk@quicinc.com>, <quic_aravindh@quicinc.com>, <quic_sbillaka@quicinc.com>, <freedreno@lists.freedesktop.org>, <linux-arm-msm@vger.kernel.org>, <linux-kernel@vger.kernel.org> Subject: [PATCH v12 2/3] phy: qcom-qmp: add regulator_set_load to dp phy Date: Wed, 25 May 2022 12:37:12 -0700 [thread overview] Message-ID: <1653507433-22585-3-git-send-email-quic_khsieh@quicinc.com> (raw) In-Reply-To: <1653507433-22585-1-git-send-email-quic_khsieh@quicinc.com> This patch add regulator_set_load() before enable regulator at DP phy driver. Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com> Reviewed-by: Stephen Boyd <swboyd@chromium.org> --- drivers/phy/qualcomm/phy-qcom-qmp.c | 41 +++++++++++++++++++++++++++++-------- 1 file changed, 32 insertions(+), 9 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c index b144ae1..5fda39f 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c @@ -3075,6 +3075,17 @@ static const struct qmp_phy_init_tbl sm8450_qmp_gen4x2_pcie_pcs_misc_tbl[] = { QMP_PHY_INIT_CFG(QPHY_V5_20_PCS_PCIE_G4_PRE_GAIN, 0x2e), }; +/* list of regulators */ +struct qmp_regulator_data { + const char *name; + unsigned int enable_load; +}; + +struct qmp_regulator_data qmp_phy_vreg_l[] = { + { .name = "vdda-phy", .enable_load = 21800 }, + { .name = "vdda-pll", .enable_load = 36000 }, +}; + struct qmp_phy; /* struct qmp_phy_cfg - per-PHY initialization config */ @@ -3129,7 +3140,7 @@ struct qmp_phy_cfg { const char * const *reset_list; int num_resets; /* regulators to be requested */ - const char * const *vreg_list; + const struct qmp_regulator_data *vreg_list; int num_vregs; /* array of registers with different offsets */ @@ -3341,11 +3352,6 @@ static const char * const sdm845_pciephy_reset_l[] = { "phy", }; -/* list of regulators */ -static const char * const qmp_phy_vreg_l[] = { - "vdda-phy", "vdda-pll", -}; - static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = { .type = PHY_TYPE_USB3, .nlanes = 1, @@ -5488,16 +5494,33 @@ static int qcom_qmp_phy_vreg_init(struct device *dev, const struct qmp_phy_cfg * { struct qcom_qmp *qmp = dev_get_drvdata(dev); int num = cfg->num_vregs; - int i; + int ret, i; qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL); if (!qmp->vregs) return -ENOMEM; for (i = 0; i < num; i++) - qmp->vregs[i].supply = cfg->vreg_list[i]; + qmp->vregs[i].supply = cfg->vreg_list[i].name; - return devm_regulator_bulk_get(dev, num, qmp->vregs); + ret = devm_regulator_bulk_get(dev, num, qmp->vregs); + if (ret) { + dev_err(dev, "failed at devm_regulator_bulk_get\n"); + goto err; + } + + for (i = 0; i < num; i++) { + ret = regulator_set_load(qmp->vregs[i].consumer, + cfg->vreg_list[i].enable_load); + if (ret) { + dev_err(dev, "failed to set load at %s\n", + qmp->vregs[i].supply); + break; + } + } + +err: + return ret; } static int qcom_qmp_phy_reset_init(struct device *dev, const struct qmp_phy_cfg *cfg) -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
WARNING: multiple messages have this Message-ID (diff)
From: Kuogee Hsieh <quic_khsieh@quicinc.com> To: <dri-devel@lists.freedesktop.org>, <robdclark@gmail.com>, <sean@poorly.run>, <swboyd@chromium.org>, <dianders@chromium.org>, <vkoul@kernel.org>, <daniel@ffwll.ch>, <airlied@linux.ie>, <agross@kernel.org>, <dmitry.baryshkov@linaro.org>, <bjorn.andersson@linaro.org> Cc: quic_sbillaka@quicinc.com, linux-arm-msm@vger.kernel.org, quic_abhinavk@quicinc.com, Kuogee Hsieh <quic_khsieh@quicinc.com>, quic_aravindh@quicinc.com, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH v12 2/3] phy: qcom-qmp: add regulator_set_load to dp phy Date: Wed, 25 May 2022 12:37:12 -0700 [thread overview] Message-ID: <1653507433-22585-3-git-send-email-quic_khsieh@quicinc.com> (raw) In-Reply-To: <1653507433-22585-1-git-send-email-quic_khsieh@quicinc.com> This patch add regulator_set_load() before enable regulator at DP phy driver. Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com> Reviewed-by: Stephen Boyd <swboyd@chromium.org> --- drivers/phy/qualcomm/phy-qcom-qmp.c | 41 +++++++++++++++++++++++++++++-------- 1 file changed, 32 insertions(+), 9 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c index b144ae1..5fda39f 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c @@ -3075,6 +3075,17 @@ static const struct qmp_phy_init_tbl sm8450_qmp_gen4x2_pcie_pcs_misc_tbl[] = { QMP_PHY_INIT_CFG(QPHY_V5_20_PCS_PCIE_G4_PRE_GAIN, 0x2e), }; +/* list of regulators */ +struct qmp_regulator_data { + const char *name; + unsigned int enable_load; +}; + +struct qmp_regulator_data qmp_phy_vreg_l[] = { + { .name = "vdda-phy", .enable_load = 21800 }, + { .name = "vdda-pll", .enable_load = 36000 }, +}; + struct qmp_phy; /* struct qmp_phy_cfg - per-PHY initialization config */ @@ -3129,7 +3140,7 @@ struct qmp_phy_cfg { const char * const *reset_list; int num_resets; /* regulators to be requested */ - const char * const *vreg_list; + const struct qmp_regulator_data *vreg_list; int num_vregs; /* array of registers with different offsets */ @@ -3341,11 +3352,6 @@ static const char * const sdm845_pciephy_reset_l[] = { "phy", }; -/* list of regulators */ -static const char * const qmp_phy_vreg_l[] = { - "vdda-phy", "vdda-pll", -}; - static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = { .type = PHY_TYPE_USB3, .nlanes = 1, @@ -5488,16 +5494,33 @@ static int qcom_qmp_phy_vreg_init(struct device *dev, const struct qmp_phy_cfg * { struct qcom_qmp *qmp = dev_get_drvdata(dev); int num = cfg->num_vregs; - int i; + int ret, i; qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL); if (!qmp->vregs) return -ENOMEM; for (i = 0; i < num; i++) - qmp->vregs[i].supply = cfg->vreg_list[i]; + qmp->vregs[i].supply = cfg->vreg_list[i].name; - return devm_regulator_bulk_get(dev, num, qmp->vregs); + ret = devm_regulator_bulk_get(dev, num, qmp->vregs); + if (ret) { + dev_err(dev, "failed at devm_regulator_bulk_get\n"); + goto err; + } + + for (i = 0; i < num; i++) { + ret = regulator_set_load(qmp->vregs[i].consumer, + cfg->vreg_list[i].enable_load); + if (ret) { + dev_err(dev, "failed to set load at %s\n", + qmp->vregs[i].supply); + break; + } + } + +err: + return ret; } static int qcom_qmp_phy_reset_init(struct device *dev, const struct qmp_phy_cfg *cfg) -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2022-05-25 19:37 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-05-25 19:37 [PATCH v12 0/3] eDP/DP Phy vdda realted function Kuogee Hsieh 2022-05-25 19:37 ` Kuogee Hsieh 2022-05-25 19:37 ` [PATCH v12 1/3] phy: qcom-edp: add regulator_set_load to edp phy Kuogee Hsieh 2022-05-25 19:37 ` Kuogee Hsieh 2022-05-25 19:37 ` Kuogee Hsieh [this message] 2022-05-25 19:37 ` [PATCH v12 2/3] phy: qcom-qmp: add regulator_set_load to dp phy Kuogee Hsieh 2022-05-25 20:42 ` Doug Anderson 2022-05-25 20:42 ` Doug Anderson 2022-05-25 19:37 ` [PATCH v12 3/3] drm/msm/dp: delete vdda regulator related functions from eDP/DP controller Kuogee Hsieh 2022-05-25 19:37 ` Kuogee Hsieh
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