From 71f69ffa0129bf04205edf0e7dc73dc4777b2588 Mon Sep 17 00:00:00 2001 From: Ashish Singhal Date: Wed, 9 Mar 2022 00:00:26 +0530 Subject: [PATCH] arm64: tegra: Add QSPI controllers on Tegra234 This adds the QSPI controllers on the Tegra234 SoC and populates the SPI NOR flash device for the Jetson AGX Orin platform. Signed-off-by: Ashish Singhal Signed-off-by: Jon Hunter Signed-off-by: Krishna Yarlagadda Reviewed-by: Jon Hunter Acked-by: Rob Herring Signed-off-by: Thierry Reding --- .../arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi | 12 ++++++++++ arch/arm64/boot/dts/nvidia/tegra234.dtsi | 28 ++++++++++++++++++++++ include/dt-bindings/clock/tegra234-clock.h | 8 +++++++ include/dt-bindings/reset/tegra234-reset.h | 2 ++ 4 files changed, 50 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi index d95a542..798de92 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi @@ -7,6 +7,18 @@ compatible = "nvidia,p3701-0000", "nvidia,tegra234"; bus@0 { + spi@3270000 { + status = "okay"; + + flash@0 { + compatible = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <102000000>; + spi-tx-bus-width = <4>; + spi-rx-bus-width = <4>; + }; + }; + mmc@3460000 { status = "okay"; bus-width = <8>; diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi index aaace60..448512a 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi @@ -654,6 +654,20 @@ reset-names = "i2c"; }; + spi@3270000 { + compatible = "nvidia,tegra234-qspi"; + reg = <0x3270000 0x1000>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&bpmp TEGRA234_CLK_QSPI0_2X_PM>, + <&bpmp TEGRA234_CLK_QSPI0_PM>; + clock-names = "qspi", "qspi_out"; + resets = <&bpmp TEGRA234_RESET_QSPI0>; + reset-names = "qspi"; + status = "disabled"; + }; + pwm1: pwm@3280000 { compatible = "nvidia,tegra194-pwm", "nvidia,tegra186-pwm"; @@ -666,6 +680,20 @@ #pwm-cells = <2>; }; + spi@3300000 { + compatible = "nvidia,tegra234-qspi"; + reg = <0x3300000 0x1000>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&bpmp TEGRA234_CLK_QSPI1_2X_PM>, + <&bpmp TEGRA234_CLK_QSPI1_PM>; + clock-names = "qspi", "qspi_out"; + resets = <&bpmp TEGRA234_RESET_QSPI1>; + reset-names = "qspi"; + status = "disabled"; + }; + mmc@3460000 { compatible = "nvidia,tegra234-sdhci", "nvidia,tegra186-sdhci"; reg = <0x03460000 0x20000>; diff --git a/include/dt-bindings/clock/tegra234-clock.h b/include/dt-bindings/clock/tegra234-clock.h index 8cae969..bd4c308 100644 --- a/include/dt-bindings/clock/tegra234-clock.h +++ b/include/dt-bindings/clock/tegra234-clock.h @@ -140,6 +140,14 @@ #define TEGRA234_CLK_PEX2_C9_CORE 173U /** @brief output of gate CLK_ENB_PEX2_CORE_10 */ #define TEGRA234_CLK_PEX2_C10_CORE 187U +/** @brief CLK_RST_CONTROLLER_CLK_SOURCE_QSPI0 switch divider output */ +#define TEGRA234_CLK_QSPI0_2X_PM 192U +/** @brief CLK_RST_CONTROLLER_CLK_SOURCE_QSPI1 switch divider output */ +#define TEGRA234_CLK_QSPI1_2X_PM 193U +/** @brief output of the divider QSPI_CLK_DIV2_SEL in CLK_RST_CONTROLLER_CLK_SOURCE_QSPI0 */ +#define TEGRA234_CLK_QSPI0_PM 194U +/** @brief output of the divider QSPI_CLK_DIV2_SEL in CLK_RST_CONTROLLER_CLK_SOURCE_QSPI1 */ +#define TEGRA234_CLK_QSPI1_PM 195U /** @brief CLK_RST_CONTROLLER_CLK_SOURCE_SDMMC_LEGACY_TM switch divider output */ #define TEGRA234_CLK_SDMMC_LEGACY_TM 219U /** @brief output of gate CLK_ENB_PEX0_CORE_0 */ diff --git a/include/dt-bindings/reset/tegra234-reset.h b/include/dt-bindings/reset/tegra234-reset.h index 1362cd5..547ca3b 100644 --- a/include/dt-bindings/reset/tegra234-reset.h +++ b/include/dt-bindings/reset/tegra234-reset.h @@ -40,6 +40,8 @@ #define TEGRA234_RESET_PWM6 73U #define TEGRA234_RESET_PWM7 74U #define TEGRA234_RESET_PWM8 75U +#define TEGRA234_RESET_QSPI0 76U +#define TEGRA234_RESET_QSPI1 77U #define TEGRA234_RESET_SDMMC4 85U #define TEGRA234_RESET_UARTA 100U #define TEGRA234_RESET_PEX0_CORE_0 116U -- 2.7.4