From: Guenter Roeck <linux@roeck-us.net>
To: linux-hwmon@vger.kernel.org
Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Wolfram Sang" <wsa+renesas@sang-engineering.com>,
"René Rebe" <rene@exactcode.de>,
"Thomas Weißschuh" <linux@weissschuh.net>,
"Armin Wolf" <W_Armin@gmx.de>,
"Stephen Horvath" <s.horvath@outlook.com.au>,
"Guenter Roeck" <linux@roeck-us.net>
Subject: [PATCH v4 5/6] i2c: smbus: Support DDR5 SPD EEPROMs
Date: Mon, 3 Jun 2024 21:02:36 -0700 [thread overview]
Message-ID: <20240604040237.1064024-6-linux@roeck-us.net> (raw)
In-Reply-To: <20240604040237.1064024-1-linux@roeck-us.net>
Detect DDR5 memory and instantiate the SPD5118 driver automatically.
Suggested-by: Thomas Weißschuh <linux@weissschuh.net>
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
v5: New patch
drivers/i2c/i2c-smbus.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/i2c/i2c-smbus.c b/drivers/i2c/i2c-smbus.c
index 97f338b123b1..8a0dab835761 100644
--- a/drivers/i2c/i2c-smbus.c
+++ b/drivers/i2c/i2c-smbus.c
@@ -382,6 +382,10 @@ void i2c_register_spd(struct i2c_adapter *adap)
case 0x1E: /* LPDDR4 */
name = "ee1004";
break;
+ case 0x22: /* DDR5 */
+ case 0x23: /* LPDDR5 */
+ name = "spd5118";
+ break;
default:
dev_info(&adap->dev,
"Memory type 0x%02x not supported yet, not instantiating SPD\n",
--
2.39.2
next prev parent reply other threads:[~2024-06-04 4:02 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-04 4:02 [PATCH v4 0/6] hwmon: Add support for SPD5118 compliant chips Guenter Roeck
2024-06-04 4:02 ` [PATCH v4 1/6] dt-bindings: trivial-devices: Add jedec,spd5118 Guenter Roeck
2024-06-04 4:02 ` [PATCH v4 2/6] hwmon: Add support for SPD5118 compliant temperature sensors Guenter Roeck
2024-06-04 8:48 ` Stephen Horvath
2024-06-04 14:31 ` Guenter Roeck
2024-06-07 15:55 ` Armin Wolf
2024-06-04 4:02 ` [PATCH v4 3/6] hwmon: (spd5118) Add suspend/resume support Guenter Roeck
2024-06-04 8:45 ` Stephen Horvath
2024-06-04 14:31 ` Guenter Roeck
2024-06-07 15:57 ` Armin Wolf
2024-06-04 4:02 ` [PATCH v4 4/6] hwmon: (spd5118) Add support for reading SPD data Guenter Roeck
2024-06-04 11:58 ` Armin Wolf
2024-06-04 14:30 ` Guenter Roeck
2024-06-07 15:59 ` Armin Wolf
2024-06-04 4:02 ` Guenter Roeck [this message]
2024-06-04 7:32 ` [PATCH v4 5/6] i2c: smbus: Support DDR5 SPD EEPROMs Wolfram Sang
2024-06-05 12:21 ` Paul Menzel
2024-06-05 13:56 ` Guenter Roeck
2024-06-17 14:42 ` Paul Menzel
2024-06-17 15:49 ` Guenter Roeck
2024-06-18 10:25 ` Paul Menzel
2024-06-18 13:32 ` Guenter Roeck
2024-06-18 13:51 ` Paul Menzel
2024-06-18 14:23 ` Guenter Roeck
2024-06-18 14:59 ` Paul Menzel
2024-06-18 15:10 ` Guenter Roeck
2024-06-18 15:25 ` Paul Menzel
2024-06-18 15:43 ` Guenter Roeck
2024-06-18 18:16 ` Guenter Roeck
2024-06-18 18:59 ` Paul Menzel
2024-06-18 19:31 ` Guenter Roeck
2024-06-18 15:12 ` Guenter Roeck
2024-06-18 15:27 ` Paul Menzel
2024-06-07 16:06 ` Armin Wolf
2024-06-07 18:00 ` Wolfram Sang
2024-06-10 13:52 ` Guenter Roeck
2024-06-10 14:52 ` Wolfram Sang
2024-06-10 15:55 ` Guenter Roeck
2024-06-12 16:19 ` Wolfram Sang
2024-06-24 20:06 ` Heiner Kallweit
2024-06-24 20:30 ` Guenter Roeck
2024-06-04 4:02 ` [PATCH v4 6/6] hwmon: (spd5118) Add configuration option for auto-detection Guenter Roeck
2024-06-04 4:37 ` Thomas Weißschuh
2024-06-04 14:04 ` Guenter Roeck
2024-06-04 7:44 ` Wolfram Sang
2024-06-04 14:04 ` Guenter Roeck
2024-06-05 2:19 ` [PATCH v4a " Guenter Roeck
2024-06-05 9:22 ` Thomas Weißschuh
2024-06-05 14:04 ` Guenter Roeck
2024-06-07 16:08 ` Armin Wolf
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