linux-kernel - [PATCH RFT 04/20] clk: qcom: smd-rpm: Add keepalive

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Message-Id: <20230303-topic-rpmcc_sleep-v1-4-d9cfaf9b27a7@linaro.org>
Date:   Sat, 04 Mar 2023 14:27:39 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH RFT 04/20] clk: qcom: smd-rpm: Add keepalive_clks for
 SM6375

SM6375 requires that CNoC and SNoC clocks always get an active vote.
Guarantee that.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 drivers/clk/qcom/clk-smd-rpm.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/clk/qcom/clk-smd-rpm.c b/drivers/clk/qcom/clk-smd-rpm.c
index 8e017c575361..8ca301c58909 100644
--- a/drivers/clk/qcom/clk-smd-rpm.c
+++ b/drivers/clk/qcom/clk-smd-rpm.c
@@ -521,6 +521,11 @@ DEFINE_CLK_SMD_RPM_XO_BUFFER(div_clk1, 11, 19200000);
 DEFINE_CLK_SMD_RPM_XO_BUFFER(div_clk2, 12, 19200000);
 DEFINE_CLK_SMD_RPM_XO_BUFFER(div_clk3, 13, 19200000);
 
+static struct clk_hw *cnoc_snoc_keepalive_clks[] = {
+	&clk_smd_rpm_bus_1_cnoc_a_clk.hw,
+	&clk_smd_rpm_bus_2_snoc_a_clk.hw,
+};
+
 static struct clk_smd_rpm *msm8909_clks[] = {
 	[RPM_SMD_PCNOC_CLK]		= &clk_smd_rpm_bus_0_pcnoc_clk,
 	[RPM_SMD_PCNOC_A_CLK]		= &clk_smd_rpm_bus_0_pcnoc_a_clk,
@@ -1189,6 +1194,8 @@ static struct clk_smd_rpm *sm6375_clks[] = {
 static const struct rpm_smd_clk_desc rpm_clk_sm6375 = {
 	.clks = sm6375_clks,
 	.num_clks = ARRAY_SIZE(sm6375_clks),
+	.keepalive_clks = cnoc_snoc_keepalive_clks,
+	.num_keepalive_clks = ARRAY_SIZE(cnoc_snoc_keepalive_clks),
 };
 
 static struct clk_smd_rpm *qcm2290_clks[] = {

-- 
2.39.2