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| author | Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> | 2015-10-16 23:37:01 +0200 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2015-10-21 02:25:06 +0200 |
| commit | 761b11e141366743a5c179a0f94c237d0ba9667c (patch) | |
| tree | e11e0f4b5de96768aa38e4a403a119eee430e5b2 /arch/arm/boot/dts/r8a7794-silk.dts | |
| parent | ARM: shmobile: r8a7791 dtsi: Remove bogus imp_clk node (diff) | |
| download | linux-761b11e141366743a5c179a0f94c237d0ba9667c.tar.xz linux-761b11e141366743a5c179a0f94c237d0ba9667c.zip | |
ARM: shmobile: silk: add SDHI1 DT support
Define the SILK board dependent part of the SDHI1 (connected to micro-SD
slot) device nodes along with the necessary voltage regulators.
Based on the original patch by Vladimir Barinov
<vladimir.barinov@cogentembedded.com>.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm/boot/dts/r8a7794-silk.dts')
| -rw-r--r-- | arch/arm/boot/dts/r8a7794-silk.dts | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7794-silk.dts b/arch/arm/boot/dts/r8a7794-silk.dts index 48ff3e2958ae..a49942b626c8 100644 --- a/arch/arm/boot/dts/r8a7794-silk.dts +++ b/arch/arm/boot/dts/r8a7794-silk.dts @@ -12,6 +12,7 @@ /dts-v1/; #include "r8a7794.dtsi" +#include <dt-bindings/gpio/gpio.h> / { model = "SILK"; @@ -39,6 +40,30 @@ regulator-boot-on; regulator-always-on; }; + + vcc_sdhi1: regulator@3 { + compatible = "regulator-fixed"; + + regulator-name = "SDHI1 Vcc"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&gpio4 26 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + vccq_sdhi1: regulator@4 { + compatible = "regulator-gpio"; + + regulator-name = "SDHI1 VccQ"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + + gpios = <&gpio4 29 GPIO_ACTIVE_HIGH>; + gpios-states = <1>; + states = <3300000 1 + 1800000 0>; + }; }; &extal_clk { @@ -71,6 +96,11 @@ renesas,function = "mmc"; }; + sdhi1_pins: sd1 { + renesas,groups = "sdhi1_data4", "sdhi1_ctrl"; + renesas,function = "sdhi1"; + }; + qspi_pins: spi0 { renesas,groups = "qspi_ctrl", "qspi_data4"; renesas,function = "qspi"; @@ -147,6 +177,16 @@ status = "okay"; }; +&sdhi1 { + pinctrl-0 = <&sdhi1_pins>; + pinctrl-names = "default"; + + vmmc-supply = <&vcc_sdhi1>; + vqmmc-supply = <&vccq_sdhi1>; + cd-gpios = <&gpio6 14 GPIO_ACTIVE_LOW>; + status = "okay"; +}; + &qspi { pinctrl-0 = <&qspi_pins>; pinctrl-names = "default"; |