From d3d071a0e5bc829803ca6124e80d7649079dabab Mon Sep 17 00:00:00 2001 From: Konrad Dybcio Date: Wed, 24 Jun 2020 00:48:06 +0200 Subject: [PATCH] arm64: dts: qcom: msm8994: Add I2C, SPI and BLSP DMA nodes Add support for I2C and SPI buses to enable peripherals such as touchscreens or sensors. Also add DMA nodes, configuration and BLSP2 UART2 interface. Signed-off-by: Konrad Dybcio Link: https://lore.kernel.org/r/20200623224813.297077-8-konradybcio@gmail.com Signed-off-by: Bjorn Andersson --- arch/arm64/boot/dts/qcom/msm8994.dtsi | 156 +++++++++++++++++++++++++++++++++- 1 file changed, 155 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/msm8994.dtsi b/arch/arm64/boot/dts/qcom/msm8994.dtsi index 2f394eb..8aee7f1 100644 --- a/arch/arm64/boot/dts/qcom/msm8994.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8994.dtsi @@ -261,14 +261,168 @@ status = "disabled"; }; + blsp1_dma: dma@f9904000 { + compatible = "qcom,bam-v1.7.0"; + reg = <0xf9904000 0x19000>; + interrupts = ; + clocks = <&gcc GCC_BLSP1_AHB_CLK>; + clock-names = "bam_clk"; + #dma-cells = <1>; + qcom,ee = <0>; + qcom,controlled-remotely; + num-channels = <18>; + qcom,num-ees = <4>; + }; + blsp1_uart2: serial@f991e000 { compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm"; reg = <0xf991e000 0x1000>; interrupts = ; - status = "disabled"; clock-names = "core", "iface"; clocks = <&gcc GCC_BLSP1_UART2_APPS_CLK>, <&gcc GCC_BLSP1_AHB_CLK>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&blsp1_uart2_default>; + pinctrl-1 = <&blsp1_uart2_sleep>; + status = "disabled"; + }; + + blsp_i2c1: i2c@f9923000 { + compatible = "qcom,i2c-qup-v2.2.1"; + reg = <0xf9923000 0x500>; + interrupts = ; + clocks = <&gcc GCC_BLSP1_AHB_CLK>, + <&gcc GCC_BLSP1_QUP1_I2C_APPS_CLK>; + clock-names = "iface", "core"; + clock-frequency = <400000>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&i2c1_default>; + pinctrl-1 = <&i2c1_sleep>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + blsp_spi0: spi@f9923000 { + compatible = "qcom,spi-qup-v2.2.1"; + reg = <0xf9923000 0x500>; + interrupts = ; + clocks = <&gcc GCC_BLSP1_QUP1_SPI_APPS_CLK>, + <&gcc GCC_BLSP1_AHB_CLK>; + clock-names = "core", "iface"; + spi-max-frequency = <19200000>; + dmas = <&blsp1_dma 12>, <&blsp1_dma 13>; + dma-names = "tx", "rx"; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&blsp1_spi0_default>; + pinctrl-1 = <&blsp1_spi0_sleep>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + blsp_i2c2: i2c@f9924000 { + compatible = "qcom,i2c-qup-v2.2.1"; + reg = <0xf9924000 0x500>; + interrupts = ; + clocks = <&gcc GCC_BLSP1_AHB_CLK>, + <&gcc GCC_BLSP1_QUP2_I2C_APPS_CLK>; + clock-names = "iface", "core"; + clock-frequency = <355000>; + dmas = <&blsp1_dma 14>, <&blsp1_dma 15>; + dma-names = "tx", "rx"; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&i2c2_default>; + pinctrl-1 = <&i2c2_sleep>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + /* I2C3 doesn't exist */ + + blsp_i2c4: i2c@f9926000 { + compatible = "qcom,i2c-qup-v2.2.1"; + reg = <0xf9926000 0x500>; + interrupts = ; + clocks = <&gcc GCC_BLSP1_AHB_CLK>, + <&gcc GCC_BLSP1_QUP4_I2C_APPS_CLK>; + clock-names = "iface", "core"; + clock-frequency = <355000>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&i2c4_default>; + pinctrl-1 = <&i2c4_sleep>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + blsp2_dma: dma@f9944000 { + compatible = "qcom,bam-v1.7.0"; + reg = <0xf9944000 0x19000>; + interrupts = ; + clocks = <&gcc GCC_BLSP2_AHB_CLK>; + clock-names = "bam_clk"; + #dma-cells = <1>; + qcom,ee = <0>; + qcom,controlled-remotely; + num-channels = <18>; + qcom,num-ees = <4>; + }; + + /* According to downstream kernels, i2c6 + * comes before i2c5 address-wise... + */ + + blsp_i2c6: i2c@f9928000 { + compatible = "qcom,i2c-qup-v2.2.1"; + reg = <0xf9928000 0x500>; + interrupts = ; + clocks = <&gcc GCC_BLSP1_AHB_CLK>, + <&gcc GCC_BLSP1_QUP6_I2C_APPS_CLK>; + clock-names = "iface", "core"; + clock-frequency = <355000>; + dmas = <&blsp1_dma 22>, <&blsp1_dma 23>; + dma-names = "tx", "rx"; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&i2c6_default>; + pinctrl-1 = <&i2c6_sleep>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + blsp2_uart2: serial@f995e000 { + compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm"; + reg = <0xf995e000 0x1000>; + interrupts = ; + clock-names = "core", "iface"; + clocks = <&gcc GCC_BLSP2_UART2_APPS_CLK>, + <&gcc GCC_BLSP2_AHB_CLK>; + dmas = <&blsp2_dma 2>, <&blsp2_dma 3>; + dma-names = "tx", "rx"; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&blsp2_uart2_default>; + pinctrl-1 = <&blsp2_uart2_sleep>; + status = "disabled"; + }; + + blsp_i2c5: i2c@f9967000 { + compatible = "qcom,i2c-qup-v2.2.1"; + reg = <0xf9967000 0x500>; + interrupts = ; + clocks = <&gcc GCC_BLSP2_AHB_CLK>, + <&gcc GCC_BLSP2_QUP5_I2C_APPS_CLK>; + clock-names = "iface", "core"; + clock-frequency = <355000>; + dmas = <&blsp2_dma 20>, <&blsp2_dma 21>; + dma-names = "tx", "rx"; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&i2c5_default>; + pinctrl-1 = <&i2c5_sleep>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; }; gcc: clock-controller@fc400000 { -- 2.7.4