linux-kernel - Re: [PATCH V5 3/4] mmc: sdhci: Add VDD2 definition for power control register

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Message-ID: <16a70f99-8ae7-41fa-5af8-6fc0dcb5db8a@intel.com>
Date:   Thu, 1 Jun 2023 08:41:40 +0300
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Victor Shih <victorshihgli@...il.com>, ulf.hansson@...aro.org
Cc:     linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        benchuanggli@...il.com, HL.Liu@...esyslogic.com.tw,
        Greg.tu@...esyslogic.com.tw,
        Ben Chuang <ben.chuang@...esyslogic.com.tw>,
        Victor Shih <victor.shih@...esyslogic.com.tw>
Subject: Re: [PATCH V5 3/4] mmc: sdhci: Add VDD2 definition for power control
 register

On 1/06/23 04:51, Victor Shih wrote:
> 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>

Acked-by: Adrian Hunter <adrian.hunter@...el.com>

> ---
>  drivers/mmc/host/sdhci.h | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
> index f4f2085c274c..f219bdea8f28 100644
> --- a/drivers/mmc/host/sdhci.h
> +++ b/drivers/mmc/host/sdhci.h
> @@ -99,6 +99,13 @@
>  #define  SDHCI_POWER_180	0x0A
>  #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
>