linux-kernel - [Patch v4 05/10] memory: tegra: add software mc clients in Tegra234

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Date:   Mon, 27 Mar 2023 21:44:21 +0530
From:   Sumit Gupta <sumitg@...dia.com>
To:     <treding@...dia.com>, <krzysztof.kozlowski@...aro.org>,
        <dmitry.osipenko@...labora.com>, <viresh.kumar@...aro.org>,
        <rafael@...nel.org>, <jonathanh@...dia.com>, <robh+dt@...nel.org>,
        <lpieralisi@...nel.org>
CC:     <linux-kernel@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-pm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-pci@...r.kernel.org>, <mmaddireddy@...dia.com>,
        <kw@...ux.com>, <bhelgaas@...gle.com>, <vidyas@...dia.com>,
        <sanjayc@...dia.com>, <ksitaraman@...dia.com>, <ishah@...dia.com>,
        <bbasu@...dia.com>, <sumitg@...dia.com>
Subject: [Patch v4 05/10] memory: tegra: add software mc clients in Tegra234

Add dummy Memory Controller clients to represent CPU clusters.
They will be used by the CPUFREQ driver to scale DRAM FREQ
with the CPU FREQ.

Signed-off-by: Sumit Gupta <sumitg@...dia.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/memory/tegra/tegra234.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/memory/tegra/tegra234.c b/drivers/memory/tegra/tegra234.c
index 353f5ef688b2..4c8929a88778 100644
--- a/drivers/memory/tegra/tegra234.c
+++ b/drivers/memory/tegra/tegra234.c
@@ -778,6 +778,21 @@ static const struct tegra_mc_client tegra234_mc_clients[] = {
 				.security = 0x244,
 			},
 		},
+	}, {
+		.id = TEGRA_ICC_MC_CPU_CLUSTER0,
+		.name = "sw_cluster0",
+		.bpmp_id = TEGRA_ICC_BPMP_CPU_CLUSTER0,
+		.type = TEGRA_ICC_NISO,
+	}, {
+		.id = TEGRA_ICC_MC_CPU_CLUSTER1,
+		.name = "sw_cluster1",
+		.bpmp_id = TEGRA_ICC_BPMP_CPU_CLUSTER1,
+		.type = TEGRA_ICC_NISO,
+	}, {
+		.id = TEGRA_ICC_MC_CPU_CLUSTER2,
+		.name = "sw_cluster2",
+		.bpmp_id = TEGRA_ICC_BPMP_CPU_CLUSTER2,
+		.type = TEGRA_ICC_NISO,
 	},
 };
 
-- 
2.17.1