linux-kernel - [PATCH V4 3/4] mmc: sdhci: Add VDD2 definition for power control register

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Message-Id: <20230531111518.396868-4-victorshihgli@gmail.com>
Date:   Wed, 31 May 2023 19:15:17 +0800
From:   Victor Shih <victorshihgli@...il.com>
To:     ulf.hansson@...aro.org, adrian.hunter@...el.com
Cc:     linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        benchuanggli@...il.com, HL.Liu@...esyslogic.com.tw,
        Greg.tu@...esyslogic.com.tw, Victor Shih <victorshihgli@...il.com>,
        Ben Chuang <ben.chuang@...esyslogic.com.tw>,
        Victor Shih <victor.shih@...esyslogic.com.tw>
Subject: [PATCH V4 3/4] mmc: sdhci: Add VDD2 definition for power control register

From: Victor Shih <victor.shih@...esyslogic.com.tw>

Add new definition for VDD2 - UHS2 or PCIe/NVMe.

Signed-off-by: Ben Chuang <ben.chuang@...esyslogic.com.tw>
Signed-off-by: Victor Shih <victor.shih@...esyslogic.com.tw>
---
 drivers/mmc/host/sdhci.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index f4f2085c274c..140a0c20d4f2 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -100,6 +100,14 @@
 #define  SDHCI_POWER_300	0x0C
 #define  SDHCI_POWER_330	0x0E
 
+/*
+ * VDD2 - UHS2 or PCIe/NVMe
+ * VDD2 power on/off and voltage select
+ */
+#define SDHCI_VDD2_POWER_ON	0x10
+#define SDHCI_VDD2_POWER_120	0x80
+#define SDHCI_VDD2_POWER_180	0xA0
+
 #define SDHCI_BLOCK_GAP_CONTROL	0x2A
 
 #define SDHCI_WAKE_UP_CONTROL	0x2B
-- 
2.25.1