From 4d2cb376e5ccacd4d541542dfb98cc3db2792b1a Mon Sep 17 00:00:00 2001 From: Neil Armstrong Date: Fri, 13 Mar 2020 10:07:10 +0100 Subject: arm64: dts: meson-g12: split emmc pins to select 4 or 8 bus width The Khadas VIM3 shares the eMMC pins 4 to 7 with the SPI NOR, in order to enable the eMMC and the SPI NOR interface, we need to omit the 4 last pins from the eMMC pinctrl. As it was done for the Khadas VIM2, split the eMMC pinctrls in ctrl, data and ds pins with either 4bits data or 8bits data, and update the current board accordingly. Signed-off-by: Neil Armstrong Signed-off-by: Kevin Hilman Link: https://lore.kernel.org/r/20200313090713.15147-2-narmstrong@baylibre.com --- arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 40 ++++++++++++++++------ arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts | 2 +- arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts | 2 +- arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts | 2 +- .../boot/dts/amlogic/meson-g12b-odroid-n2.dts | 2 +- .../boot/dts/amlogic/meson-g12b-ugoos-am6.dts | 2 +- arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi | 2 +- arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts | 2 +- 8 files changed, 37 insertions(+), 17 deletions(-) (limited to 'arch/arm64/boot/dts/amlogic') diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi index f503ba104c71..35f50a6895a2 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi @@ -295,17 +295,9 @@ }; }; - emmc_pins: emmc { + emmc_ctrl_pins: emmc-ctrl { mux-0 { - groups = "emmc_nand_d0", - "emmc_nand_d1", - "emmc_nand_d2", - "emmc_nand_d3", - "emmc_nand_d4", - "emmc_nand_d5", - "emmc_nand_d6", - "emmc_nand_d7", - "emmc_cmd"; + groups = "emmc_cmd"; function = "emmc"; bias-pull-up; drive-strength-microamp = <4000>; @@ -319,6 +311,34 @@ }; }; + emmc_data_4b_pins: emmc-data-4b { + mux-0 { + groups = "emmc_nand_d0", + "emmc_nand_d1", + "emmc_nand_d2", + "emmc_nand_d3"; + function = "emmc"; + bias-pull-up; + drive-strength-microamp = <4000>; + }; + }; + + emmc_data_8b_pins: emmc-data-8b { + mux-0 { + groups = "emmc_nand_d0", + "emmc_nand_d1", + "emmc_nand_d2", + "emmc_nand_d3", + "emmc_nand_d4", + "emmc_nand_d5", + "emmc_nand_d6", + "emmc_nand_d7"; + function = "emmc"; + bias-pull-up; + drive-strength-microamp = <4000>; + }; + }; + emmc_ds_pins: emmc-ds { mux { groups = "emmc_nand_ds"; diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts index 168f460e11fa..b00d0468c753 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts +++ b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts @@ -472,7 +472,7 @@ /* eMMC */ &sd_emmc_c { status = "okay"; - pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>; + pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>; pinctrl-1 = <&emmc_clk_gate_pins>; pinctrl-names = "default", "clk-gate"; diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts index 2a324f0136e3..a26bfe72550f 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts +++ b/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts @@ -271,7 +271,7 @@ /* eMMC */ &sd_emmc_c { status = "okay"; - pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>; + pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>; pinctrl-1 = <&emmc_clk_gate_pins>; pinctrl-names = "default", "clk-gate"; diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts index 4f2596d82989..1b07c8c06eac 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts +++ b/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts @@ -443,7 +443,7 @@ /* eMMC */ &sd_emmc_c { status = "okay"; - pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>; + pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>; pinctrl-1 = <&emmc_clk_gate_pins>; pinctrl-names = "default", "clk-gate"; diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts index 8830d3844885..b59ae1a297f2 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts @@ -435,7 +435,7 @@ /* eMMC */ &sd_emmc_c { status = "okay"; - pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>; + pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>; pinctrl-1 = <&emmc_clk_gate_pins>; pinctrl-names = "default", "clk-gate"; diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-ugoos-am6.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-ugoos-am6.dts index ccd0bced01e8..325e448eb09c 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12b-ugoos-am6.dts +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-ugoos-am6.dts @@ -485,7 +485,7 @@ /* eMMC */ &sd_emmc_c { status = "okay"; - pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>; + pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>; pinctrl-1 = <&emmc_clk_gate_pins>; pinctrl-names = "default", "clk-gate"; diff --git a/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi b/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi index 0ef60c7151cb..e53cf03339d3 100644 --- a/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi @@ -310,7 +310,7 @@ /* eMMC */ &sd_emmc_c { status = "okay"; - pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>; + pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>; pinctrl-1 = <&emmc_clk_gate_pins>; pinctrl-names = "default", "clk-gate"; diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts index a8bb3fa9fec9..71cc730a4913 100644 --- a/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts +++ b/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts @@ -518,7 +518,7 @@ /* eMMC */ &sd_emmc_c { status = "okay"; - pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>; + pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>; pinctrl-1 = <&emmc_clk_gate_pins>; pinctrl-names = "default", "clk-gate"; -- cgit v1.2.3