linux-kernel - [PATCH v2 2/2] soc: renesas: Identify RZ/Five SoC

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Message-Id: <20220722141506.20171-3-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date:   Fri, 22 Jul 2022 15:15:06 +0100
From:   Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.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>,
        linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Prabhakar <prabhakar.csengg@...il.com>,
        Biju Das <biju.das.jz@...renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH v2 2/2] soc: renesas: Identify RZ/Five SoC

Add support for identifying the (R9A07G043) RZ/Five SoC.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
v1->v2
* Replaced RISCV -> RISCV
* Reused "renesas,r9a07g043-sysc" string for RZ/Five detection
---
 drivers/soc/renesas/Kconfig       | 10 ++++++++++
 drivers/soc/renesas/renesas-soc.c | 13 +++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index 390f52109cb7..f95a1337450d 100644
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -333,6 +333,16 @@ config ARCH_R9A09G011
 
 endif # ARM64
 
+if RISCV
+
+config ARCH_R9A07G043
+	bool "RISC-V Platform support for RZ/Five"
+	select ARCH_RZG2L
+	help
+	  This enables support for the Renesas RZ/Five SoC.
+
+endif # RISCV
+
 config RST_RCAR
 	bool "Reset Controller support for R-Car" if COMPILE_TEST
 
diff --git a/drivers/soc/renesas/renesas-soc.c b/drivers/soc/renesas/renesas-soc.c
index d171f1b635c7..c0e2c62c76c9 100644
--- a/drivers/soc/renesas/renesas-soc.c
+++ b/drivers/soc/renesas/renesas-soc.c
@@ -50,6 +50,10 @@ static const struct renesas_family fam_rza2 __initconst __maybe_unused = {
 	.name	= "RZ/A2",
 };
 
+static const struct renesas_family fam_rzfive __initconst __maybe_unused = {
+	.name	= "RZ/Five",
+};
+
 static const struct renesas_family fam_rzg1 __initconst __maybe_unused = {
 	.name	= "RZ/G1",
 	.reg	= 0xff000044,		/* PRR (Product Register) */
@@ -102,6 +106,11 @@ static const struct renesas_soc soc_rmobile_a1 __initconst __maybe_unused = {
 	.id	= 0x40,
 };
 
+static const struct renesas_soc soc_rz_five __initconst __maybe_unused = {
+	.family = &fam_rzfive,
+	.id     = 0x847c447,
+};
+
 static const struct renesas_soc soc_rz_g1h __initconst __maybe_unused = {
 	.family	= &fam_rzg1,
 	.id	= 0x45,
@@ -358,8 +367,12 @@ static const struct of_device_id renesas_socs[] __initconst = {
 	{ .compatible = "renesas,r8a779g0",	.data = &soc_rcar_v4h },
 #endif
 #if defined(CONFIG_ARCH_R9A07G043)
+#ifdef CONFIG_RISCV
+	{ .compatible = "renesas,r9a07g043",	.data = &soc_rz_five },
+#else
 	{ .compatible = "renesas,r9a07g043",	.data = &soc_rz_g2ul },
 #endif
+#endif
 #if defined(CONFIG_ARCH_R9A07G044)
 	{ .compatible = "renesas,r9a07g044",	.data = &soc_rz_g2l },
 #endif
-- 
2.25.1