From: Soeren Moch <smoch@web.de> To: Robin Murphy <robin.murphy@arm.com>, Heiko Stuebner <heiko@sntech.de> Cc: linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 3/3] arm64: dts: rockchip: fix RockPro64 sdmmc settings Date: Fri, 4 Oct 2019 02:53:26 +0200 [thread overview] Message-ID: <a8b20c45-0426-ee42-4efc-52e56ea6bb20@web.de> (raw) In-Reply-To: <31181f3c-20ec-e717-1f7e-8b35cd54d96d@arm.com> On 04.10.19 02:01, Robin Murphy wrote: > On 2019-10-03 10:50 pm, Soeren Moch wrote: >> According to the RockPro64 schematic [1] the rk3399 sdmmc controller is >> connected to a microSD (TF card) slot, which cannot be switched to 1.8V. > > Really? AFAICS the SDMMC0 wiring looks pretty much identical to the > NanoPC-T4 schematic (it's the same reference design, after all), and I > know that board can happily drive a UHS-I microSD card with 1.8v I/Os, > because mine's doing so right now. > > Robin. OK, the RockPro64 does not allow a card reset (power cycle) since VCC3V0_SD is directly connected to VCC3V3_SYS (via R89555), the SDMMC0_PWH_H signal is not connected. So the card fails to identify itself after suspend or reboot when switched to 1.8V operation. Regards, Soeren > >> So also configure the vcc_sdio regulator, which drives the i/o voltage >> of the sdmmc controller, accordingly. >> >> While at it, also remove the cap-mmc-highspeed property of the sdmmc >> controller, since no mmc card can be connected here. >> >> [1] http://files.pine64.org/doc/rockpro64/rockpro64_v21-SCH.pdf >> >> Fixes: e4f3fb490967 ("arm64: dts: rockchip: add initial dts support >> for Rockpro64") >> Signed-off-by: Soeren Moch <smoch@web.de> >> --- >> Cc: Heiko Stuebner <heiko@sntech.de> >> Cc: linux-rockchip@lists.infradead.org >> Cc: linux-arm-kernel@lists.infradead.org >> Cc: linux-kernel@vger.kernel.org >> --- >> arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts | 3 +-- >> 1 file changed, 1 insertion(+), 2 deletions(-) >> >> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts >> b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts >> index 2e44dae4865a..084f1d994a50 100644 >> --- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts >> +++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts >> @@ -353,7 +353,7 @@ >> regulator-name = "vcc_sdio"; >> regulator-always-on; >> regulator-boot-on; >> - regulator-min-microvolt = <1800000>; >> + regulator-min-microvolt = <3000000>; >> regulator-max-microvolt = <3000000>; >> regulator-state-mem { >> regulator-on-in-suspend; >> @@ -624,7 +624,6 @@ >> >> &sdmmc { >> bus-width = <4>; >> - cap-mmc-highspeed; >> cap-sd-highspeed; >> cd-gpios = <&gpio0 7 GPIO_ACTIVE_LOW>; >> disable-wp; >> -- >> 2.17.1 >> >> >> _______________________________________________ >> Linux-rockchip mailing list >> Linux-rockchip@lists.infradead.org >> http://lists.infradead.org/mailman/listinfo/linux-rockchip >>
WARNING: multiple messages have this Message-ID (diff)
From: Soeren Moch <smoch@web.de> To: Robin Murphy <robin.murphy@arm.com>, Heiko Stuebner <heiko@sntech.de> Cc: linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 3/3] arm64: dts: rockchip: fix RockPro64 sdmmc settings Date: Fri, 4 Oct 2019 02:53:26 +0200 [thread overview] Message-ID: <a8b20c45-0426-ee42-4efc-52e56ea6bb20@web.de> (raw) In-Reply-To: <31181f3c-20ec-e717-1f7e-8b35cd54d96d@arm.com> On 04.10.19 02:01, Robin Murphy wrote: > On 2019-10-03 10:50 pm, Soeren Moch wrote: >> According to the RockPro64 schematic [1] the rk3399 sdmmc controller is >> connected to a microSD (TF card) slot, which cannot be switched to 1.8V. > > Really? AFAICS the SDMMC0 wiring looks pretty much identical to the > NanoPC-T4 schematic (it's the same reference design, after all), and I > know that board can happily drive a UHS-I microSD card with 1.8v I/Os, > because mine's doing so right now. > > Robin. OK, the RockPro64 does not allow a card reset (power cycle) since VCC3V0_SD is directly connected to VCC3V3_SYS (via R89555), the SDMMC0_PWH_H signal is not connected. So the card fails to identify itself after suspend or reboot when switched to 1.8V operation. Regards, Soeren > >> So also configure the vcc_sdio regulator, which drives the i/o voltage >> of the sdmmc controller, accordingly. >> >> While at it, also remove the cap-mmc-highspeed property of the sdmmc >> controller, since no mmc card can be connected here. >> >> [1] http://files.pine64.org/doc/rockpro64/rockpro64_v21-SCH.pdf >> >> Fixes: e4f3fb490967 ("arm64: dts: rockchip: add initial dts support >> for Rockpro64") >> Signed-off-by: Soeren Moch <smoch@web.de> >> --- >> Cc: Heiko Stuebner <heiko@sntech.de> >> Cc: linux-rockchip@lists.infradead.org >> Cc: linux-arm-kernel@lists.infradead.org >> Cc: linux-kernel@vger.kernel.org >> --- >> arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts | 3 +-- >> 1 file changed, 1 insertion(+), 2 deletions(-) >> >> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts >> b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts >> index 2e44dae4865a..084f1d994a50 100644 >> --- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts >> +++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts >> @@ -353,7 +353,7 @@ >> regulator-name = "vcc_sdio"; >> regulator-always-on; >> regulator-boot-on; >> - regulator-min-microvolt = <1800000>; >> + regulator-min-microvolt = <3000000>; >> regulator-max-microvolt = <3000000>; >> regulator-state-mem { >> regulator-on-in-suspend; >> @@ -624,7 +624,6 @@ >> >> &sdmmc { >> bus-width = <4>; >> - cap-mmc-highspeed; >> cap-sd-highspeed; >> cd-gpios = <&gpio0 7 GPIO_ACTIVE_LOW>; >> disable-wp; >> -- >> 2.17.1 >> >> >> _______________________________________________ >> Linux-rockchip mailing list >> Linux-rockchip@lists.infradead.org >> http://lists.infradead.org/mailman/listinfo/linux-rockchip >> _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-10-04 0:54 UTC|newest] Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-10-03 21:50 [PATCH 1/3] arm64: dts: rockchip: fix RockPro64 vdd-log regulator settings Soeren Moch 2019-10-03 21:50 ` Soeren Moch 2019-10-03 21:50 ` Soeren Moch 2019-10-03 21:50 ` [PATCH 2/3] arm64: dts: rockchip: fix RockPro64 sdhci settings Soeren Moch 2019-10-03 21:50 ` Soeren Moch 2019-10-04 20:05 ` Heiko Stuebner 2019-10-04 20:05 ` Heiko Stuebner 2019-10-03 21:50 ` [PATCH 3/3] arm64: dts: rockchip: fix RockPro64 sdmmc settings Soeren Moch 2019-10-03 21:50 ` Soeren Moch 2019-10-04 0:01 ` Robin Murphy 2019-10-04 0:01 ` Robin Murphy 2019-10-04 0:53 ` Soeren Moch [this message] 2019-10-04 0:53 ` Soeren Moch 2019-10-04 2:13 ` [PATCH 3/3] arm64: dts: rockchip: fix RockPro64 sdmmc settings【请注意,邮件由linux-rockchip-bounces+shawn.lin=rock-chips.com@lists.infradead.org代发】 Shawn Lin 2019-10-04 2:13 ` Shawn Lin 2019-10-04 2:13 ` Shawn Lin 2019-10-04 3:39 ` Soeren Moch 2019-10-04 3:39 ` Soeren Moch 2019-10-04 14:20 ` Robin Murphy 2019-10-04 14:20 ` Robin Murphy 2019-10-04 14:42 ` Jonas Karlman 2019-10-04 14:42 ` Jonas Karlman 2019-10-04 14:42 ` Jonas Karlman 2019-10-04 15:33 ` Shawn Lin 2019-10-04 15:33 ` Shawn Lin 2019-10-04 15:33 ` Shawn Lin 2019-10-04 17:24 ` Sören Moch 2019-10-04 17:24 ` Sören Moch 2019-10-04 20:15 ` Soeren Moch 2019-10-04 20:15 ` Soeren Moch 2019-10-04 20:18 ` Heiko Stuebner 2019-10-04 20:18 ` Heiko Stuebner 2019-10-04 20:39 ` Sören Moch 2019-10-04 20:39 ` Sören Moch 2019-10-04 20:39 ` Sören Moch 2019-10-11 8:22 ` Jonas Karlman 2019-10-11 8:22 ` Jonas Karlman 2019-10-11 8:22 ` Jonas Karlman 2019-10-11 11:40 ` [PATCH 3/3] arm64: dts: rockchip: fix RockPro64 sdmmc settings Soeren Moch 2019-10-11 11:40 ` Soeren Moch 2019-10-11 13:00 ` Robin Murphy 2019-10-11 13:00 ` Robin Murphy 2019-10-11 13:00 ` Robin Murphy 2019-10-11 14:16 ` Soeren Moch 2019-10-11 14:16 ` Soeren Moch 2019-10-11 14:16 ` Soeren Moch 2019-10-12 4:09 ` Shawn Lin 2019-10-12 4:09 ` Shawn Lin 2019-10-12 12:45 ` Soeren Moch 2019-10-12 12:45 ` Soeren Moch 2019-10-12 12:45 ` Soeren Moch 2019-10-04 16:39 ` [PATCH 3/3] arm64: dts: rockchip: fix RockPro64 sdmmc settings【请注意,邮件由linux-rockchip-bounces+shawn.lin=rock-chips.com@lists.infradead.org代发】 Soeren Moch 2019-10-04 16:39 ` Soeren Moch 2019-10-04 20:04 ` [PATCH 1/3] arm64: dts: rockchip: fix RockPro64 vdd-log regulator settings Heiko Stuebner 2019-10-04 20:04 ` Heiko Stuebner
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