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From:   Mihai Sain <mihai.sain@microchip.com>
To:     <nicolas.ferre@microchip.com>, <alexandre.belloni@bootlin.com>,
        <claudiu.beznea@microchip.com>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>
CC:     Mihai Sain <mihai.sain@microchip.com>
Subject: [PATCH] ARM: at91: add support in soc driver for new SAMA7G54 SiPs
Date:   Mon, 5 Dec 2022 09:01:08 +0200
Message-ID: <20221205070108.42624-1-mihai.sain@microchip.com>
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Add detection of new SAMA7G54 System-In-Package (SIP) by the SoC driver:
SAMA7G54D1G, SAMA7G54D2G, SAMA7G54D4G.

Signed-off-by: Mihai Sain <mihai.sain@microchip.com>
---
 drivers/soc/atmel/soc.c | 9 +++++++++
 drivers/soc/atmel/soc.h | 3 +++
 2 files changed, 12 insertions(+)

diff --git a/drivers/soc/atmel/soc.c b/drivers/soc/atmel/soc.c
index dae8a2e0f745..cc9a3e107479 100644
--- a/drivers/soc/atmel/soc.c
+++ b/drivers/soc/atmel/soc.c
@@ -235,6 +235,15 @@ static const struct at91_soc socs[] __initconst = {
 	AT91_SOC(SAMA7G5_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
 		 AT91_CIDR_VERSION_MASK_SAMA7G5, SAMA7G54_EXID_MATCH,
 		 "sama7g54", "sama7g5"),
+	AT91_SOC(SAMA7G5_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
+		 AT91_CIDR_VERSION_MASK_SAMA7G5, SAMA7G54_D1G_EXID_MATCH,
+		 "SAMA7G54 1Gb DDR3L SiP", "sama7g5"),
+	AT91_SOC(SAMA7G5_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
+		 AT91_CIDR_VERSION_MASK_SAMA7G5, SAMA7G54_D2G_EXID_MATCH,
+		 "SAMA7G54 2Gb DDR3L SiP", "sama7g5"),
+	AT91_SOC(SAMA7G5_CIDR_MATCH, AT91_CIDR_MATCH_MASK,
+		 AT91_CIDR_VERSION_MASK_SAMA7G5, SAMA7G54_D4G_EXID_MATCH,
+		 "SAMA7G54 4Gb DDR3L SiP", "sama7g5"),
 #endif
 	{ /* sentinel */ },
 };
diff --git a/drivers/soc/atmel/soc.h b/drivers/soc/atmel/soc.h
index 2ecaa75b00f0..7a9f47ce85fb 100644
--- a/drivers/soc/atmel/soc.h
+++ b/drivers/soc/atmel/soc.h
@@ -70,6 +70,9 @@ at91_soc_init(const struct at91_soc *socs);
 #define SAMA7G52_EXID_MATCH		0x2
 #define SAMA7G53_EXID_MATCH		0x1
 #define SAMA7G54_EXID_MATCH		0x0
+#define SAMA7G54_D1G_EXID_MATCH		0x00000018
+#define SAMA7G54_D2G_EXID_MATCH		0x00000020
+#define SAMA7G54_D4G_EXID_MATCH		0x00000028
 
 #define AT91SAM9XE128_CIDR_MATCH	0x329973a0
 #define AT91SAM9XE256_CIDR_MATCH	0x329a93a0
-- 
2.38.1