On 06/11/2022 09:50, Frank Wunderlich wrote:
From: Sam Shih <sam.shih@xxxxxxxxxxxx> This patch adds spi support for MT7986. Signed-off-by: Sam Shih <sam.shih@xxxxxxxxxxxx> Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx> --- arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts | 35 ++++++++++++++++++++ arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 28 ++++++++++++++++ arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts | 35 ++++++++++++++++++++ 3 files changed, 98 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts index 6189436fe31d..58f7e6b169bf 100644 --- a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts +++ b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts @@ -55,6 +55,20 @@ switch: switch@0 { };&pio {+ spi_flash_pins: spi-flash-pins { + mux { + function = "spi"; + groups = "spi0", "spi0_wp_hold"; + }; + }; + + spic_pins: spic-pins { + mux { + function = "spi"; + groups = "spi1_2"; + }; + }; + uart1_pins: uart1-pins { mux { function = "uart"; @@ -101,6 +115,27 @@ conf { }; };+&spi0 {+ pinctrl-names = "default"; + pinctrl-0 = <&spi_flash_pins>; + cs-gpios = <0>, <0>; + status = "okay"; + spi_nand: spi_nand@0 { + compatible = "spi-nand"; + reg = <0>; + spi-max-frequency = <10000000>; + spi-tx-buswidth = <4>; + spi-rx-buswidth = <4>; + }; +}; + +&spi1 { + pinctrl-names = "default"; + pinctrl-0 = <&spic_pins>; + cs-gpios = <0>, <0>; + status = "okay"; +}; + &switch { ports { #address-cells = <1>; diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi index 226648f48df2..6d881095d933 100644 --- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi @@ -112,6 +112,34 @@ infracfg: infracfg@10001000 { #clock-cells = <1>; };+ spi0: spi@1100a000 {+ compatible = "mediatek,mt7986-spi-ipm", "mediatek,spi-ipm"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0 0x1100a000 0 0x100>; + interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&topckgen CLK_TOP_MPLL_D2>, + <&topckgen CLK_TOP_SPI_SEL>, + <&infracfg CLK_INFRA_SPI0_CK>, + <&infracfg CLK_INFRA_SPI0_HCK_CK>; + clock-names = "parent-clk", "sel-clk", "spi-clk", "hclk"; + status = "disabled"; + }; + + spi1: spi@1100b000 { + compatible = "mediatek,mt7986-spi-ipm", "mediatek,spi-ipm"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0 0x1100b000 0 0x100>; + interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&topckgen CLK_TOP_MPLL_D2>, + <&topckgen CLK_TOP_SPIM_MST_SEL>, + <&infracfg CLK_INFRA_SPI1_CK>, + <&infracfg CLK_INFRA_SPI1_HCK_CK>; + clock-names = "parent-clk", "sel-clk", "spi-clk", "hclk"; + status = "disabled"; + }; + topckgen: topckgen@1001b000 { compatible = "mediatek,mt7986-topckgen", "syscon"; reg = <0 0x1001B000 0 0x1000>; diff --git a/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts b/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts index 7459ddb6b6f0..7673aa3fa6ae 100644 --- a/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts +++ b/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts @@ -96,6 +96,20 @@ fixed-link { };&pio {+ spi_flash_pins: spi-flash-pins { + mux { + function = "spi"; + groups = "spi0", "spi0_wp_hold";
Waiting on pinctrl binding: https://patchwork.kernel.org/project/linux-mediatek/patch/20221106080114.7426-2-linux@xxxxxxxxx/ Please resend once merged. Regards, Matthias
+ }; + }; + + spic_pins: spic-pins { + mux { + function = "spi"; + groups = "spi1_2"; + }; + }; + wf_2g_5g_pins: wf-2g-5g-pins { mux { function = "wifi"; @@ -128,6 +142,27 @@ conf { }; };+&spi0 {+ pinctrl-names = "default"; + pinctrl-0 = <&spi_flash_pins>; + cs-gpios = <0>, <0>; + status = "okay"; + spi_nand: spi_nand@0 { + compatible = "spi-nand"; + reg = <0>; + spi-max-frequency = <10000000>; + spi-tx-buswidth = <4>; + spi-rx-buswidth = <4>; + }; +}; + +&spi1 { + pinctrl-names = "default"; + pinctrl-0 = <&spic_pins>; + cs-gpios = <0>, <0>; + status = "okay"; +}; + &uart0 { status = "okay"; };
