linux-kernel - [PATCH] clk: qcom: tcsrcc-x1e80100: Set the bi

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Message-Id: <20250730-clk-qcom-tcsrcc-x1e80100-parent-edp-refclk-v1-1-7a36ef06e045@linaro.org>
Date: Wed, 30 Jul 2025 19:11:12 +0300
From: Abel Vesa <abel.vesa@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>
Cc: Johan Hovold <johan@...nel.org>, Taniya Das <quic_tdas@...cinc.com>, 
 linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, 
 linux-kernel@...r.kernel.org, stable@...r.kernel.org, 
 Abel Vesa <abel.vesa@...aro.org>
Subject: [PATCH] clk: qcom: tcsrcc-x1e80100: Set the bi_tcxo as parent to
 eDP refclk

All the other ref clocks provided by this driver have the bi_tcxo
as parent. The eDP refclk is the only one without a parent, leading
to reporting its rate as 0. So set its parent to bi_tcxo, just like
the rest of the refclks.

Cc: stable@...r.kernel.org # v6.9
Fixes: 06aff116199c ("clk: qcom: Add TCSR clock driver for x1e80100")
Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
---
 drivers/clk/qcom/tcsrcc-x1e80100.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/clk/qcom/tcsrcc-x1e80100.c b/drivers/clk/qcom/tcsrcc-x1e80100.c
index ff61769a08077e916157a03c789ab3d5b0c090f6..a367e1f55622d990929984facb62185b551d6c50 100644
--- a/drivers/clk/qcom/tcsrcc-x1e80100.c
+++ b/drivers/clk/qcom/tcsrcc-x1e80100.c
@@ -29,6 +29,10 @@ static struct clk_branch tcsr_edp_clkref_en = {
 		.enable_mask = BIT(0),
 		.hw.init = &(const struct clk_init_data) {
 			.name = "tcsr_edp_clkref_en",
+			.parent_data = &(const struct clk_parent_data){
+				.index = DT_BI_TCXO_PAD,
+			},
+			.num_parents = 1,
 			.ops = &clk_branch2_ops,
 		},
 	},

---
base-commit: 79fb37f39b77bbf9a56304e9af843cd93a7a1916
change-id: 20250730-clk-qcom-tcsrcc-x1e80100-parent-edp-refclk-8b17a56f050a

Best regards,
-- 
Abel Vesa <abel.vesa@...aro.org>