diff options
| author | Simon Horman <horms+renesas@verge.net.au> | 2016-08-09 15:19:03 +0300 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2016-08-17 10:07:29 +0300 |
| commit | 2b41091b896bb99ec1da1ed30113603fc91b84d6 (patch) | |
| tree | d725f02f863102ed1aba0cd2376bcfc264416447 /arch | |
| parent | bb249cdc3e55b099c05cd350772368ae85592706 (diff) | |
| download | linux-2b41091b896bb99ec1da1ed30113603fc91b84d6.tar.xz | |
ARM: dts: alt: add SDHI0 and 1 support
Define the Alt board dependent part of the SDHI0 and 1
device nodes along with the necessary voltage regulators.
Based on work by the original patch by Vladimir Barinov and
Sergei Shtylyov for the Silk board.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/boot/dts/r8a7794-alt.dts | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7794-alt.dts b/arch/arm/boot/dts/r8a7794-alt.dts index 1ad37d431a2a..fe7c128cc965 100644 --- a/arch/arm/boot/dts/r8a7794-alt.dts +++ b/arch/arm/boot/dts/r8a7794-alt.dts @@ -10,6 +10,7 @@ /dts-v1/; #include "r8a7794.dtsi" +#include <dt-bindings/gpio/gpio.h> / { model = "Alt"; @@ -29,6 +30,54 @@ reg = <0 0x40000000 0 0x40000000>; }; + vcc_sdhi0: regulator-vcc-sdhi0 { + compatible = "regulator-fixed"; + + regulator-name = "SDHI0 Vcc"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&gpio2 26 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + vccq_sdhi0: regulator-vccq-sdhi0 { + compatible = "regulator-gpio"; + + regulator-name = "SDHI0 VccQ"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + + gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>; + gpios-states = <1>; + states = <3300000 1 + 1800000 0>; + }; + + vcc_sdhi1: regulator-vcc-sdhi1 { + 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-vccq-sdhi1 { + 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>; + }; + lbsc { #address-cells = <1>; #size-cells = <1>; @@ -140,6 +189,16 @@ groups = "vin0_data8", "vin0_clk"; function = "vin0"; }; + + sdhi0_pins: sd0 { + groups = "sdhi0_data4", "sdhi0_ctrl"; + function = "sdhi0"; + }; + + sdhi1_pins: sd1 { + groups = "sdhi1_data4", "sdhi1_ctrl"; + function = "sdhi1"; + }; }; &cmt0 { @@ -169,6 +228,28 @@ }; }; +&sdhi0 { + pinctrl-0 = <&sdhi0_pins>; + pinctrl-names = "default"; + + vmmc-supply = <&vcc_sdhi0>; + vqmmc-supply = <&vccq_sdhi0>; + cd-gpios = <&gpio6 6 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio6 7 GPIO_ACTIVE_LOW>; + 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>; + wp-gpios = <&gpio6 15 GPIO_ACTIVE_LOW>; + status = "okay"; +}; + &i2c1 { pinctrl-0 = <&i2c1_pins>; pinctrl-names = "default"; |