linux-kernel - [PATCH v1 2/2] clk: qcom: ipq5424: Use icc-clk for enabling NoC related clocks

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Message-ID: <20241213105808.674620-2-quic_varada@quicinc.com>
Date: Fri, 13 Dec 2024 16:28:08 +0530
From: Varadarajan Narayanan <quic_varada@...cinc.com>
To: <andersson@...nel.org>, <mturquette@...libre.com>, <sboyd@...nel.org>,
        <djakov@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <linux-pm@...r.kernel.org>, <devicetree@...r.kernel.org>
CC: Varadarajan Narayanan <quic_varada@...cinc.com>
Subject: [PATCH v1 2/2] clk: qcom: ipq5424: Use icc-clk for enabling NoC related clocks

Use the icc-clk framework to enable few clocks to be able to
create paths and use the peripherals connected on those NoCs.

Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
---
 drivers/clk/qcom/gcc-ipq5424.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/clk/qcom/gcc-ipq5424.c b/drivers/clk/qcom/gcc-ipq5424.c
index 88a7d5b2e751..eb16f44f6864 100644
--- a/drivers/clk/qcom/gcc-ipq5424.c
+++ b/drivers/clk/qcom/gcc-ipq5424.c
@@ -5,6 +5,7 @@
  */
 
 #include <linux/clk-provider.h>
+#include <linux/interconnect-provider.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/of.h>
@@ -12,6 +13,7 @@
 #include <linux/regmap.h>
 
 #include <dt-bindings/clock/qcom,ipq5424-gcc.h>
+#include <dt-bindings/interconnect/qcom,ipq5424.h>
 #include <dt-bindings/reset/qcom,ipq5424-gcc.h>
 
 #include "clk-alpha-pll.h"
@@ -3230,6 +3232,20 @@ static const struct qcom_reset_map gcc_ipq5424_resets[] = {
 	[GCC_QUSB2_1_PHY_BCR] = { 0x3C030, 0 },
 };
 
+#define IPQ_APPS_ID			5424	/* some unique value */
+
+static const struct qcom_icc_hws_data icc_ipq5424_hws[] = {
+	{ MASTER_ANOC_PCIE0, SLAVE_ANOC_PCIE0, GCC_ANOC_PCIE0_1LANE_M_CLK },
+	{ MASTER_CNOC_PCIE0, SLAVE_CNOC_PCIE0, GCC_CNOC_PCIE0_1LANE_S_CLK },
+	{ MASTER_ANOC_PCIE1, SLAVE_ANOC_PCIE1, GCC_ANOC_PCIE1_1LANE_M_CLK },
+	{ MASTER_CNOC_PCIE1, SLAVE_CNOC_PCIE1, GCC_CNOC_PCIE1_1LANE_S_CLK },
+	{ MASTER_ANOC_PCIE2, SLAVE_ANOC_PCIE2, GCC_ANOC_PCIE2_2LANE_M_CLK },
+	{ MASTER_CNOC_PCIE2, SLAVE_CNOC_PCIE2, GCC_CNOC_PCIE2_2LANE_S_CLK },
+	{ MASTER_ANOC_PCIE3, SLAVE_ANOC_PCIE3, GCC_ANOC_PCIE3_2LANE_M_CLK },
+	{ MASTER_CNOC_PCIE3, SLAVE_CNOC_PCIE3, GCC_CNOC_PCIE3_2LANE_S_CLK },
+	{ MASTER_CNOC_USB, SLAVE_CNOC_USB, GCC_CNOC_USB_CLK },
+};
+
 static const struct of_device_id gcc_ipq5424_match_table[] = {
 	{ .compatible = "qcom,ipq5424-gcc" },
 	{ }
@@ -3260,6 +3276,8 @@ static const struct qcom_cc_desc gcc_ipq5424_desc = {
 	.num_resets = ARRAY_SIZE(gcc_ipq5424_resets),
 	.clk_hws = gcc_ipq5424_hws,
 	.num_clk_hws = ARRAY_SIZE(gcc_ipq5424_hws),
+	.icc_hws = icc_ipq5424_hws,
+	.num_icc_hws = ARRAY_SIZE(icc_ipq5424_hws),
 };
 
 static int gcc_ipq5424_probe(struct platform_device *pdev)
@@ -3272,6 +3290,7 @@ static struct platform_driver gcc_ipq5424_driver = {
 	.driver = {
 		.name   = "qcom,gcc-ipq5424",
 		.of_match_table = gcc_ipq5424_match_table,
+		.sync_state = icc_sync_state,
 	},
 };
 
-- 
2.34.1