From: Faiz Abbas <faiz_abbas@ti.com> To: <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org> Cc: <will@kernel.org>, <robh+dt@kernel.org>, <nm@ti.com>, <t-kristo@ti.com>, <faiz_abbas@ti.com> Subject: [PATCH 6/8] arm64: dts: ti: k3-j7200-common-proc-board: Add support SD card UHS modes Date: Fri, 2 Oct 2020 00:35:39 +0530 [thread overview] Message-ID: <20201001190541.6364-7-faiz_abbas@ti.com> (raw) In-Reply-To: <20201001190541.6364-1-faiz_abbas@ti.com> Add support for UHS modes for the SD card connected at sdhci1. This involves adding regulators for voltage switching and power cycling the SD card and removing the no-1-8-v property. Signed-off-by: Faiz Abbas <faiz_abbas@ti.com> --- .../dts/ti/k3-j7200-common-proc-board.dts | 32 +++++++++++++++++++ arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 1 - 2 files changed, 32 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts index 50d330245a42..02112c2a63e9 100644 --- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts +++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts @@ -7,12 +7,36 @@ #include "k3-j7200-som-p0.dtsi" #include <dt-bindings/net/ti-dp83867.h> +#include <dt-bindings/gpio/gpio.h> / { chosen { stdout-path = "serial2:115200n8"; bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000"; }; + + vdd_mmc1: fixedregulator-sd { + compatible = "regulator-fixed"; + regulator-name = "vdd_mmc1"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + enable-active-high; + gpios = <&exp2 2 GPIO_ACTIVE_HIGH>; + }; + + vdd_sd_dv: gpio-regulator-vdd-sd-dv { + compatible = "regulator-gpio"; + regulator-name = "vdd_sd_dv"; + pinctrl-names = "default"; + pinctrl-0 = <&vdd_sd_dv_pins_default>; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + gpios = <&main_gpio0 55 GPIO_ACTIVE_HIGH>; + states = <1800000 0x0 + 3300000 0x1>; + }; }; &wkup_pmx0 { @@ -68,6 +92,12 @@ J721E_IOPAD(0xe4, PIN_INPUT, 8) /* (V1) TIMER_IO0.MMC1_SDCD */ >; }; + + vdd_sd_dv_pins_default: vdd_sd_dv_pins_default { + pinctrl-single,pins = < + J721E_IOPAD(0xd0, PIN_INPUT, 7) /* (T5) SPI0_D1.GPIO0_55 */ + >; + }; }; &wkup_uart0 { @@ -196,6 +226,8 @@ &main_sdhci1 { /* SD card */ + vmmc-supply = <&vdd_mmc1>; + vqmmc-supply = <&vdd_sd_dv>; pinctrl-0 = <&main_mmc1_pins_default>; pinctrl-names = "default"; ti,driver-strength-ohm = <50>; diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi index f21f22237e0f..7307a94f7f3e 100644 --- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi @@ -392,7 +392,6 @@ ti,otap-del-sel-sdr50 = <0xc>; ti,otap-del-sel-sdr104 = <0x5>; ti,otap-del-sel-ddr50 = <0xc>; - no-1-8-v; dma-coherent; }; -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Faiz Abbas <faiz_abbas@ti.com> To: <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org> Cc: nm@ti.com, t-kristo@ti.com, robh+dt@kernel.org, will@kernel.org, faiz_abbas@ti.com Subject: [PATCH 6/8] arm64: dts: ti: k3-j7200-common-proc-board: Add support SD card UHS modes Date: Fri, 2 Oct 2020 00:35:39 +0530 [thread overview] Message-ID: <20201001190541.6364-7-faiz_abbas@ti.com> (raw) In-Reply-To: <20201001190541.6364-1-faiz_abbas@ti.com> Add support for UHS modes for the SD card connected at sdhci1. This involves adding regulators for voltage switching and power cycling the SD card and removing the no-1-8-v property. Signed-off-by: Faiz Abbas <faiz_abbas@ti.com> --- .../dts/ti/k3-j7200-common-proc-board.dts | 32 +++++++++++++++++++ arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 1 - 2 files changed, 32 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts index 50d330245a42..02112c2a63e9 100644 --- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts +++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts @@ -7,12 +7,36 @@ #include "k3-j7200-som-p0.dtsi" #include <dt-bindings/net/ti-dp83867.h> +#include <dt-bindings/gpio/gpio.h> / { chosen { stdout-path = "serial2:115200n8"; bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000"; }; + + vdd_mmc1: fixedregulator-sd { + compatible = "regulator-fixed"; + regulator-name = "vdd_mmc1"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + enable-active-high; + gpios = <&exp2 2 GPIO_ACTIVE_HIGH>; + }; + + vdd_sd_dv: gpio-regulator-vdd-sd-dv { + compatible = "regulator-gpio"; + regulator-name = "vdd_sd_dv"; + pinctrl-names = "default"; + pinctrl-0 = <&vdd_sd_dv_pins_default>; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + gpios = <&main_gpio0 55 GPIO_ACTIVE_HIGH>; + states = <1800000 0x0 + 3300000 0x1>; + }; }; &wkup_pmx0 { @@ -68,6 +92,12 @@ J721E_IOPAD(0xe4, PIN_INPUT, 8) /* (V1) TIMER_IO0.MMC1_SDCD */ >; }; + + vdd_sd_dv_pins_default: vdd_sd_dv_pins_default { + pinctrl-single,pins = < + J721E_IOPAD(0xd0, PIN_INPUT, 7) /* (T5) SPI0_D1.GPIO0_55 */ + >; + }; }; &wkup_uart0 { @@ -196,6 +226,8 @@ &main_sdhci1 { /* SD card */ + vmmc-supply = <&vdd_mmc1>; + vqmmc-supply = <&vdd_sd_dv>; pinctrl-0 = <&main_mmc1_pins_default>; pinctrl-names = "default"; ti,driver-strength-ohm = <50>; diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi index f21f22237e0f..7307a94f7f3e 100644 --- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi @@ -392,7 +392,6 @@ ti,otap-del-sel-sdr50 = <0xc>; ti,otap-del-sel-sdr104 = <0x5>; ti,otap-del-sel-ddr50 = <0xc>; - no-1-8-v; dma-coherent; }; -- 2.17.1 _______________________________________________ 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:[~2020-10-01 19:06 UTC|newest] Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-10-01 19:05 [PATCH 0/8] Add support for UHS modes in TI's J721e and J7200 boards Faiz Abbas 2020-10-01 19:05 ` Faiz Abbas 2020-10-01 19:05 ` [PATCH 1/8] arm64: dts: ti: k3-j7200-main: Add gpio nodes in main domain Faiz Abbas 2020-10-01 19:05 ` Faiz Abbas 2020-10-01 19:05 ` [PATCH 2/8] arm64: dts: ti: k3-j7200: Add gpio nodes in wakeup domain Faiz Abbas 2020-10-01 19:05 ` Faiz Abbas 2020-10-01 19:05 ` [PATCH 3/8] arm64: dts: ti: k3-j7200-common-proc-board: Disable unused gpio modules Faiz Abbas 2020-10-01 19:05 ` Faiz Abbas 2020-10-01 19:05 ` [PATCH 4/8] arm64: dts: ti: k3-j721e-main: Add output tap delay values Faiz Abbas 2020-10-01 19:05 ` Faiz Abbas 2020-10-01 19:05 ` [PATCH 5/8] arm64: dts: ti: k3-j721e-common-proc-board: Add support SD card UHS modes Faiz Abbas 2020-10-01 19:05 ` Faiz Abbas 2020-10-01 19:05 ` Faiz Abbas [this message] 2020-10-01 19:05 ` [PATCH 6/8] arm64: dts: ti: k3-j7200-common-proc-board: " Faiz Abbas 2020-10-01 19:13 ` [PATCH 0/8] Add support for UHS modes in TI's J721e and J7200 boards Nishanth Menon 2020-10-01 19:13 ` Nishanth Menon 2020-10-02 4:44 ` Faiz Abbas 2020-10-02 4:44 ` Faiz Abbas 2020-10-02 12:49 ` Nishanth Menon 2020-10-02 12:49 ` Nishanth Menon 2020-10-02 16:09 ` Faiz Abbas 2020-10-02 16:09 ` Faiz Abbas 2020-10-26 14:55 ` Nishanth Menon 2020-10-26 14:55 ` Nishanth Menon
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