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 v3 2/3] phy/qualcomm: add regulator_set_load to dp phy Date: Wed, 18 May 2022 13:24:03 -0700 [thread overview] Message-ID: <1652905444-10130-3-git-send-email-quic_khsieh@quicinc.com> (raw) In-Reply-To: <1652905444-10130-1-git-send-email-quic_khsieh@quicinc.com> This patch add regulator_set_load() before enable regulator at DP phy driver. Changes in v2: -- no regulator_set_load() before disable regulator Changes in v3: -- split into two patches Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com> --- drivers/phy/qualcomm/phy-qcom-qmp.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c index b144ae1..20ac446 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c @@ -3130,6 +3130,7 @@ struct qmp_phy_cfg { int num_resets; /* regulators to be requested */ const char * const *vreg_list; + const unsigned int *vreg_enable_load; int num_vregs; /* array of registers with different offsets */ @@ -3346,6 +3347,10 @@ static const char * const qmp_phy_vreg_l[] = { "vdda-phy", "vdda-pll", }; +static const unsigned int qmp_phy_vreg_enable_load[] = { + 21800, 36000 +}; + static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = { .type = PHY_TYPE_USB3, .nlanes = 1, @@ -4072,6 +4077,7 @@ static const struct qmp_phy_cfg sm8250_usb3phy_cfg = { .reset_list = msm8996_usb3phy_reset_l, .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l), .vreg_list = qmp_phy_vreg_l, + .vreg_enable_load = qmp_phy_vreg_enable_load, .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), .regs = qmp_v4_usb3phy_regs_layout, @@ -4139,6 +4145,7 @@ static const struct qmp_phy_cfg sm8250_dpphy_cfg = { .reset_list = msm8996_usb3phy_reset_l, .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l), .vreg_list = qmp_phy_vreg_l, + .vreg_enable_load = qmp_phy_vreg_enable_load, .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), .regs = qmp_v4_usb3phy_regs_layout, @@ -5008,6 +5015,11 @@ static int qcom_qmp_phy_com_init(struct qmp_phy *qphy) return 0; } + if (cfg->vreg_enable_load) { + for (i = cfg->num_vregs - 1; i >= 0; --i) + regulator_set_load(qmp->vregs[i].consumer, cfg->vreg_enable_load[i]); + } + /* turn on regulator supplies */ ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs); if (ret) { -- 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 v3 2/3] phy/qualcomm: add regulator_set_load to dp phy Date: Wed, 18 May 2022 13:24:03 -0700 [thread overview] Message-ID: <1652905444-10130-3-git-send-email-quic_khsieh@quicinc.com> (raw) In-Reply-To: <1652905444-10130-1-git-send-email-quic_khsieh@quicinc.com> This patch add regulator_set_load() before enable regulator at DP phy driver. Changes in v2: -- no regulator_set_load() before disable regulator Changes in v3: -- split into two patches Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com> --- drivers/phy/qualcomm/phy-qcom-qmp.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c index b144ae1..20ac446 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c @@ -3130,6 +3130,7 @@ struct qmp_phy_cfg { int num_resets; /* regulators to be requested */ const char * const *vreg_list; + const unsigned int *vreg_enable_load; int num_vregs; /* array of registers with different offsets */ @@ -3346,6 +3347,10 @@ static const char * const qmp_phy_vreg_l[] = { "vdda-phy", "vdda-pll", }; +static const unsigned int qmp_phy_vreg_enable_load[] = { + 21800, 36000 +}; + static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = { .type = PHY_TYPE_USB3, .nlanes = 1, @@ -4072,6 +4077,7 @@ static const struct qmp_phy_cfg sm8250_usb3phy_cfg = { .reset_list = msm8996_usb3phy_reset_l, .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l), .vreg_list = qmp_phy_vreg_l, + .vreg_enable_load = qmp_phy_vreg_enable_load, .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), .regs = qmp_v4_usb3phy_regs_layout, @@ -4139,6 +4145,7 @@ static const struct qmp_phy_cfg sm8250_dpphy_cfg = { .reset_list = msm8996_usb3phy_reset_l, .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l), .vreg_list = qmp_phy_vreg_l, + .vreg_enable_load = qmp_phy_vreg_enable_load, .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), .regs = qmp_v4_usb3phy_regs_layout, @@ -5008,6 +5015,11 @@ static int qcom_qmp_phy_com_init(struct qmp_phy *qphy) return 0; } + if (cfg->vreg_enable_load) { + for (i = cfg->num_vregs - 1; i >= 0; --i) + regulator_set_load(qmp->vregs[i].consumer, cfg->vreg_enable_load[i]); + } + /* turn on regulator supplies */ ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs); if (ret) { -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2022-05-18 20:25 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-05-18 20:24 [PATCH v3 0/3] eDP/DP Phy vdda realted function Kuogee Hsieh 2022-05-18 20:24 ` Kuogee Hsieh 2022-05-18 20:24 ` [PATCH v3 1/3] phy/qualcomm: add regulator_set_load to edp phy Kuogee Hsieh 2022-05-18 20:24 ` Kuogee Hsieh 2022-05-18 20:51 ` Stephen Boyd 2022-05-18 20:51 ` Stephen Boyd 2022-05-18 20:24 ` Kuogee Hsieh [this message] 2022-05-18 20:24 ` [PATCH v3 2/3] phy/qualcomm: add regulator_set_load to dp phy Kuogee Hsieh 2022-05-18 20:53 ` Stephen Boyd 2022-05-18 20:53 ` Stephen Boyd 2022-05-18 20:24 ` [PATCH v3 3/3] drm/msm/dp: delete vdda regulator related functions from eDP/DP controller Kuogee Hsieh 2022-05-18 20:24 ` Kuogee Hsieh 2022-05-18 20:57 ` Stephen Boyd 2022-05-18 20:57 ` Stephen Boyd
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