linux-kernel - [PATCH v2 3/4] soc: renesas: Add identification support for RZ/V2H SoC

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Message-Id: <20240227232531.218159-4-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Tue, 27 Feb 2024 23:25:30 +0000
From: Prabhakar <prabhakar.csengg@...il.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Prabhakar <prabhakar.csengg@...il.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH v2 3/4] soc: renesas: Add identification support for RZ/V2H SoC

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Add support to identify the RZ/V2H (R9A09G057) SoC.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro.jz@...esas.com>
---
v1 -> v2
- Replaced RZ/V2H{P} -> RZ/V2H(P)
- Used small case for hex value
---
 drivers/soc/renesas/Kconfig       |  5 +++++
 drivers/soc/renesas/renesas-soc.c | 20 +++++++++++++++++++-
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index 5deca747fb77..91464ea48baf 100644
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -344,6 +344,11 @@ config ARCH_R9A09G011
 	help
 	  This enables support for the Renesas RZ/V2M SoC.
 
+config ARCH_R9A09G057
+	bool "ARM64 Platform support for RZ/V2H(P)"
+	help
+	  This enables support for the Renesas RZ/V2H(P) SoC variants.
+
 endif # ARM64
 
 if RISCV
diff --git a/drivers/soc/renesas/renesas-soc.c b/drivers/soc/renesas/renesas-soc.c
index 8f9b8d3736dc..172d59e6fbcf 100644
--- a/drivers/soc/renesas/renesas-soc.c
+++ b/drivers/soc/renesas/renesas-soc.c
@@ -75,6 +75,10 @@ static const struct renesas_family fam_rzg3s __initconst __maybe_unused = {
 	.name	= "RZ/G3S",
 };
 
+static const struct renesas_family fam_rzv2h __initconst __maybe_unused = {
+	.name	= "RZ/V2H",
+};
+
 static const struct renesas_family fam_rzv2l __initconst __maybe_unused = {
 	.name	= "RZ/V2L",
 };
@@ -177,6 +181,11 @@ static const struct renesas_soc soc_rz_g3s __initconst __maybe_unused = {
 	.id	= 0x85e0447,
 };
 
+static const struct renesas_soc soc_rz_v2h __initconst __maybe_unused = {
+	.family = &fam_rzv2h,
+	.id     = 0x847a447,
+};
+
 static const struct renesas_soc soc_rz_v2l __initconst __maybe_unused = {
 	.family = &fam_rzv2l,
 	.id     = 0x8447447,
@@ -407,6 +416,9 @@ static const struct of_device_id renesas_socs[] __initconst __maybe_unused = {
 #ifdef CONFIG_ARCH_R9A09G011
 	{ .compatible = "renesas,r9a09g011",	.data = &soc_rz_v2m },
 #endif
+#ifdef CONFIG_ARCH_R9A09G057
+	{ .compatible = "renesas,r9a09g057",	.data = &soc_rz_v2h },
+#endif
 #ifdef CONFIG_ARCH_SH73A0
 	{ .compatible = "renesas,sh73a0",	.data = &soc_shmobile_ag5 },
 #endif
@@ -432,6 +444,11 @@ static const struct renesas_id id_rzg2l __initconst = {
 	.mask = 0xfffffff,
 };
 
+static const struct renesas_id id_rzv2h __initconst = {
+	.offset = 0x304,
+	.mask = 0xfffffff,
+};
+
 static const struct renesas_id id_rzv2m __initconst = {
 	.offset = 0x104,
 	.mask = 0xff,
@@ -449,6 +466,7 @@ static const struct of_device_id renesas_ids[] __initconst = {
 	{ .compatible = "renesas,r9a07g054-sysc",	.data = &id_rzg2l },
 	{ .compatible = "renesas,r9a08g045-sysc",	.data = &id_rzg2l },
 	{ .compatible = "renesas,r9a09g011-sys",	.data = &id_rzv2m },
+	{ .compatible = "renesas,r9a09g057-sys",	.data = &id_rzv2h },
 	{ .compatible = "renesas,prr",			.data = &id_prr },
 	{ /* sentinel */ }
 };
@@ -513,7 +531,7 @@ static int __init renesas_soc_init(void)
 			eslo = product & 0xf;
 			soc_dev_attr->revision = kasprintf(GFP_KERNEL, "ES%u.%u",
 							   eshi, eslo);
-		}  else if (id == &id_rzg2l) {
+		}  else if (id == &id_rzg2l || id == &id_rzv2h) {
 			eshi =  ((product >> 28) & 0x0f);
 			soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%u",
 							   eshi);
-- 
2.34.1