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[PATCH RFC 09/15] ARM: dts: sun6i: sina31s: Switch to mmc3 for onboard eMMC

From Chen-Yu Tsai <wens@csie.org>
Newsgroups linux.kernel
Subject [PATCH RFC 09/15] ARM: dts: sun6i: sina31s: Switch to mmc3 for onboard eMMC
Date 2016-01-21 06:40 +0100
Message-ID <qTg8B-Im-17@gated-at.bofh.it> (permalink)
References <qTg8v-Im-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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According to Allwinner, only mmc3 supports 8 bit DDR transfers for eMMC.
Switch to mmc3 for the onboard eMMC, and also assign vqmmc for signal
voltage sensing/switching, and "cap-mmc-hw-reset" to denote this
instance can use eMMC hardware reset.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
---
 arch/arm/boot/dts/sun6i-a31s-sina31s-core.dtsi | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/sun6i-a31s-sina31s-core.dtsi b/arch/arm/boot/dts/sun6i-a31s-sina31s-core.dtsi
index ea69fb8ad4d8..4ec0c8679b2e 100644
--- a/arch/arm/boot/dts/sun6i-a31s-sina31s-core.dtsi
+++ b/arch/arm/boot/dts/sun6i-a31s-sina31s-core.dtsi
@@ -61,12 +61,14 @@
 };
 
 /* eMMC on core board */
-&mmc2 {
+&mmc3 {
 	pinctrl-names = "default";
-	pinctrl-0 = <&mmc2_8bit_emmc_pins>;
+	pinctrl-0 = <&mmc3_8bit_emmc_pins>;
 	vmmc-supply = <&reg_dcdc1>;
+	vqmmc-supply = <&reg_dcdc1>;
 	bus-width = <8>;
 	non-removable;
+	cap-mmc-hw-reset;
 	status = "okay";
 };
 
-- 
2.7.0.rc3

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Thread

[PATCH RFC 00/15] mmc: sunxi: Support vqmmc regulator and eMMC DDR modes Chen-Yu Tsai <wens@csie.org> - 2016-01-21 06:40 +0100
  [PATCH RFC 15/15] ARM: dts: sun9i: cubieboard4: Enable hardware reset and HS-DDR for eMMC Chen-Yu Tsai <wens@csie.org> - 2016-01-21 06:40 +0100
    Re: [PATCH RFC 15/15] ARM: dts: sun9i: cubieboard4: Enable hardware  reset and HS-DDR for eMMC Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-24 18:00 +0100
  [PATCH RFC 09/15] ARM: dts: sun6i: sina31s: Switch to mmc3 for onboard eMMC Chen-Yu Tsai <wens@csie.org> - 2016-01-21 06:40 +0100
    Re: [PATCH RFC 09/15] ARM: dts: sun6i: sina31s: Switch to mmc3 for  onboard eMMC Hans de Goede <hdegoede@redhat.com> - 2016-01-21 12:20 +0100
      Re: [PATCH RFC 09/15] ARM: dts: sun6i: sina31s: Switch to mmc3 for  onboard eMMC Chen-Yu Tsai <wens@csie.org> - 2016-01-21 13:30 +0100
        Re: [PATCH RFC 09/15] ARM: dts: sun6i: sina31s: Switch to mmc3 for  onboard eMMC Hans de Goede <hdegoede@redhat.com> - 2016-01-21 13:30 +0100
          Re: [PATCH RFC 09/15] ARM: dts: sun6i: sina31s: Switch to mmc3 for  onboard eMMC Chen-Yu Tsai <wens@csie.org> - 2016-01-21 13:30 +0100
            Re: [PATCH RFC 09/15] ARM: dts: sun6i: sina31s: Switch to mmc3 for  onboard eMMC Hans de Goede <hdegoede@redhat.com> - 2016-01-21 13:40 +0100
    Re: [PATCH RFC 09/15] ARM: dts: sun6i: sina31s: Switch to mmc3 for  onboard eMMC Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-22 21:40 +0100
      Re: [PATCH RFC 09/15] ARM: dts: sun6i: sina31s: Switch to mmc3 for  onboard eMMC Chen-Yu Tsai <wens@csie.org> - 2016-01-23 05:30 +0100
        Re: [PATCH RFC 09/15] ARM: dts: sun6i: sina31s: Switch to mmc3 for  onboard eMMC Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-24 18:00 +0100
  [PATCH RFC 02/15] mmc: sunxi: Return error on mmc_regulator_set_ocr() fail in .set_ios op Chen-Yu Tsai <wens@csie.org> - 2016-01-21 06:40 +0100
  [PATCH RFC 06/15] mmc: sunxi: Support 8 bit eMMC DDR transfer modes Chen-Yu Tsai <wens@csie.org> - 2016-01-21 06:40 +0100
  [PATCH RFC 12/15] ARM: dts: sun9i: Use sun9i specific mmc compatible Chen-Yu Tsai <wens@csie.org> - 2016-01-21 06:40 +0100
    Re: [PATCH RFC 12/15] ARM: dts: sun9i: Use sun9i specific mmc  compatible Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-22 21:50 +0100
      Re: [PATCH RFC 12/15] ARM: dts: sun9i: Use sun9i specific mmc compatible Chen-Yu Tsai <wens@csie.org> - 2016-01-23 12:00 +0100
  [PATCH RFC 11/15] ARM: dts: sun8i: sina33: Enable hardware reset and HS-DDR for eMMC Chen-Yu Tsai <wens@csie.org> - 2016-01-21 06:40 +0100
    Re: [PATCH RFC 11/15] ARM: dts: sun8i: sina33: Enable hardware reset  and HS-DDR for eMMC Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-22 21:50 +0100
  [PATCH RFC 10/15] ARM: dts: sun8i: Include SDC2_RST pin in mmc2_8bit_pins Chen-Yu Tsai <wens@csie.org> - 2016-01-21 06:40 +0100
    Re: [PATCH RFC 10/15] ARM: dts: sun8i: Include SDC2_RST pin in  mmc2_8bit_pins Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-24 18:00 +0100
  [PATCH RFC 01/15] mmc: sunxi: Document host init sequence Chen-Yu Tsai <wens@csie.org> - 2016-01-21 06:40 +0100
  [PATCH RFC 13/15] ARM: dts: sun9i: Include SDC2_RST pin in mmc2_8bit_pins Chen-Yu Tsai <wens@csie.org> - 2016-01-21 06:40 +0100
    Re: [PATCH RFC 13/15] ARM: dts: sun9i: Include SDC2_RST pin in  mmc2_8bit_pins Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-24 18:00 +0100
  [PATCH RFC 07/15] mmc: sunxi: Enable eMMC HS-DDR (MMC_CAP_1_8V_DDR) support Chen-Yu Tsai <wens@csie.org> - 2016-01-21 06:40 +0100
  [PATCH RFC 05/15] mmc: sunxi: Support MMC_DDR52 timing modes Chen-Yu Tsai <wens@csie.org> - 2016-01-21 06:40 +0100
    Re: [PATCH RFC 05/15] mmc: sunxi: Support MMC_DDR52 timing modes Hans de Goede <hdegoede@redhat.com> - 2016-01-21 12:20 +0100
      Re: [PATCH RFC 05/15] mmc: sunxi: Support MMC_DDR52 timing modes Chen-Yu Tsai <wens@csie.org> - 2016-01-21 13:00 +0100
        Re: [PATCH RFC 05/15] mmc: sunxi: Support MMC_DDR52 timing modes Hans de Goede <hdegoede@redhat.com> - 2016-01-21 13:30 +0100
  [PATCH RFC 08/15] ARM: dts: sun6i: Add mmc3 pins for 8 bit emmc Chen-Yu Tsai <wens@csie.org> - 2016-01-21 06:40 +0100
    Re: [PATCH RFC 08/15] ARM: dts: sun6i: Add mmc3 pins for 8 bit emmc Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-22 21:40 +0100
      Re: [PATCH RFC 08/15] ARM: dts: sun6i: Add mmc3 pins for 8 bit emmc Chen-Yu Tsai <wens@csie.org> - 2016-01-23 12:10 +0100
        Re: [PATCH RFC 08/15] ARM: dts: sun6i: Add mmc3 pins for 8 bit emmc Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-24 18:00 +0100
  [PATCH RFC 14/15] ARM: dts: sun9i: a80-optimus: Enable hardware reset and HS-DDR for eMMC Chen-Yu Tsai <wens@csie.org> - 2016-01-21 06:40 +0100
    Re: [PATCH RFC 14/15] ARM: dts: sun9i: a80-optimus: Enable hardware  reset and HS-DDR for eMMC Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-24 18:00 +0100
  Re: [PATCH RFC 00/15] mmc: sunxi: Support vqmmc regulator and eMMC  DDR modes Hans de Goede <hdegoede@redhat.com> - 2016-01-21 12:20 +0100

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