diff options
| author | Yann Gautier <yann.gautier@st.com> | 2019-11-15 13:44:51 +0300 |
|---|---|---|
| committer | Alexandre Torgue <alexandre.torgue@st.com> | 2019-12-09 11:19:15 +0300 |
| commit | 7e5d83981911f66fd0e6c110ea6a21a4f771b924 (patch) | |
| tree | 0cafa51ef3994dbb972053cd3fb588bd750eecd3 /arch/arm | |
| parent | 0382bf82fe7aa050c5b3e1857e5095f76dc3ab5a (diff) | |
| download | linux-7e5d83981911f66fd0e6c110ea6a21a4f771b924.tar.xz | |
ARM: dts: stm32: add sdmmc3 node for STM32MP1 boards
On STM32MP1 EVAL and DISCOVERY boards, the SDMMC3 internal peripheral
can be used through the GPIO extension connector. The sdmmc3 node is then
added in the boards DT files, and the required pins are also added.
The node status is disabled as there is no device connected by default.
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/stm32mp157-pinctrl.dtsi | 54 | ||||
| -rw-r--r-- | arch/arm/boot/dts/stm32mp157a-dk1.dts | 12 | ||||
| -rw-r--r-- | arch/arm/boot/dts/stm32mp157c-ev1.dts | 12 |
3 files changed, 78 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi index bdd4113f473e..2b6d4474faef 100644 --- a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi +++ b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi @@ -1053,6 +1053,60 @@ }; }; + sdmmc3_b4_pins_a: sdmmc3-b4-0 { + pins1 { + pinmux = <STM32_PINMUX('F', 0, AF9)>, /* SDMMC3_D0 */ + <STM32_PINMUX('F', 4, AF9)>, /* SDMMC3_D1 */ + <STM32_PINMUX('F', 5, AF9)>, /* SDMMC3_D2 */ + <STM32_PINMUX('D', 7, AF10)>, /* SDMMC3_D3 */ + <STM32_PINMUX('F', 1, AF9)>; /* SDMMC3_CMD */ + slew-rate = <1>; + drive-push-pull; + bias-pull-up; + }; + pins2 { + pinmux = <STM32_PINMUX('G', 15, AF10)>; /* SDMMC3_CK */ + slew-rate = <2>; + drive-push-pull; + bias-pull-up; + }; + }; + + sdmmc3_b4_od_pins_a: sdmmc3-b4-od-0 { + pins1 { + pinmux = <STM32_PINMUX('F', 0, AF9)>, /* SDMMC3_D0 */ + <STM32_PINMUX('F', 4, AF9)>, /* SDMMC3_D1 */ + <STM32_PINMUX('F', 5, AF9)>, /* SDMMC3_D2 */ + <STM32_PINMUX('D', 7, AF10)>; /* SDMMC3_D3 */ + slew-rate = <1>; + drive-push-pull; + bias-pull-up; + }; + pins2 { + pinmux = <STM32_PINMUX('G', 15, AF10)>; /* SDMMC3_CK */ + slew-rate = <2>; + drive-push-pull; + bias-pull-up; + }; + pins3 { + pinmux = <STM32_PINMUX('F', 1, AF9)>; /* SDMMC2_CMD */ + slew-rate = <1>; + drive-open-drain; + bias-pull-up; + }; + }; + + sdmmc3_b4_sleep_pins_a: sdmmc3-b4-sleep-0 { + pins { + pinmux = <STM32_PINMUX('F', 0, ANALOG)>, /* SDMMC3_D0 */ + <STM32_PINMUX('F', 4, ANALOG)>, /* SDMMC3_D1 */ + <STM32_PINMUX('F', 5, ANALOG)>, /* SDMMC3_D2 */ + <STM32_PINMUX('D', 7, ANALOG)>, /* SDMMC3_D3 */ + <STM32_PINMUX('G', 15, ANALOG)>, /* SDMMC3_CK */ + <STM32_PINMUX('F', 1, ANALOG)>; /* SDMMC3_CMD */ + }; + }; + spdifrx_pins_a: spdifrx-0 { pins { pinmux = <STM32_PINMUX('G', 12, AF8)>; /* SPDIF_IN1 */ diff --git a/arch/arm/boot/dts/stm32mp157a-dk1.dts b/arch/arm/boot/dts/stm32mp157a-dk1.dts index d4e37ab0752a..2f9f8cf94b02 100644 --- a/arch/arm/boot/dts/stm32mp157a-dk1.dts +++ b/arch/arm/boot/dts/stm32mp157a-dk1.dts @@ -502,6 +502,18 @@ status = "okay"; }; +&sdmmc3 { + pinctrl-names = "default", "opendrain", "sleep"; + pinctrl-0 = <&sdmmc3_b4_pins_a>; + pinctrl-1 = <&sdmmc3_b4_od_pins_a>; + pinctrl-2 = <&sdmmc3_b4_sleep_pins_a>; + broken-cd; + st,neg-edge; + bus-width = <4>; + vmmc-supply = <&v3v3>; + status = "disabled"; +}; + &timers1 { /* spare dmas for other usage */ /delete-property/dmas; diff --git a/arch/arm/boot/dts/stm32mp157c-ev1.dts b/arch/arm/boot/dts/stm32mp157c-ev1.dts index a27db4e3f1ce..2010f6292a77 100644 --- a/arch/arm/boot/dts/stm32mp157c-ev1.dts +++ b/arch/arm/boot/dts/stm32mp157c-ev1.dts @@ -283,6 +283,18 @@ }; }; +&sdmmc3 { + pinctrl-names = "default", "opendrain", "sleep"; + pinctrl-0 = <&sdmmc3_b4_pins_a>; + pinctrl-1 = <&sdmmc3_b4_od_pins_a>; + pinctrl-2 = <&sdmmc3_b4_sleep_pins_a>; + broken-cd; + st,neg-edge; + bus-width = <4>; + vmmc-supply = <&v3v3>; + status = "disabled"; +}; + &spi1 { pinctrl-names = "default"; pinctrl-0 = <&spi1_pins_a>; |