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    Subject[PATCHv6 2/4] ARM: msm: Add support for APQ8074 Dragonboard
    Date
    This patch adds basic board support for APQ8074 Dragonboard
    which belongs to the Snapdragon 800 family.
    For now, just support a basic machine with device tree.

    Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
    ---
    arch/arm/boot/dts/Makefile | 3 ++-
    arch/arm/boot/dts/qcom-apq8074-dragonboard.dts | 6 +++++
    arch/arm/boot/dts/qcom-msm8974.dtsi | 33 ++++++++++++++++++++++++++
    arch/arm/mach-msm/Kconfig | 11 ++++++++-
    arch/arm/mach-msm/board-dt.c | 9 +++++++
    5 files changed, 60 insertions(+), 2 deletions(-)
    create mode 100644 arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
    create mode 100644 arch/arm/boot/dts/qcom-msm8974.dtsi

    diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
    index 000cf76..e71a3ec 100644
    --- a/arch/arm/boot/dts/Makefile
    +++ b/arch/arm/boot/dts/Makefile
    @@ -102,7 +102,8 @@ dtb-$(CONFIG_ARCH_KIRKWOOD) += kirkwood-cloudbox.dtb \
    kirkwood-openblocks_a6.dtb
    dtb-$(CONFIG_ARCH_MARCO) += marco-evb.dtb
    dtb-$(CONFIG_ARCH_MSM) += msm8660-surf.dtb \
    - msm8960-cdp.dtb
    + msm8960-cdp.dtb \
    + qcom-apq8074-dragonboard.dtb
    dtb-$(CONFIG_ARCH_MVEBU) += armada-370-db.dtb \
    armada-370-mirabox.dtb \
    armada-370-netgear-rn102.dtb \
    diff --git a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
    new file mode 100644
    index 0000000..13ac3e2
    --- /dev/null
    +++ b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
    @@ -0,0 +1,6 @@
    +#include "qcom-msm8974.dtsi"
    +
    +/ {
    + model = "Qualcomm APQ8074 Dragonboard";
    + compatible = "qcom,apq8074-dragonboard", "qcom,apq8074";
    +};
    diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
    new file mode 100644
    index 0000000..2ebb4f0
    --- /dev/null
    +++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
    @@ -0,0 +1,33 @@
    +/dts-v1/;
    +
    +#include "skeleton.dtsi"
    +
    +/ {
    + model = "Qualcomm MSM8974";
    + compatible = "qcom,msm8974";
    + interrupt-parent = <&intc>;
    +
    + soc: soc {
    + #address-cells = <1>;
    + #size-cells = <1>;
    + ranges;
    + compatible = "simple-bus";
    +
    + intc: interrupt-controller@f9000000 {
    + compatible = "qcom,msm-qgic2";
    + interrupt-controller;
    + #interrupt-cells = <3>;
    + reg = <0xf9000000 0x1000>,
    + <0xf9002000 0x1000>;
    + };
    +
    + timer {
    + compatible = "arm,armv7-timer";
    + interrupts = <1 2 0xf08>,
    + <1 3 0xf08>,
    + <1 4 0xf08>,
    + <1 1 0xf08>;
    + clock-frequency = <19200000>;
    + };
    + };
    +};
    diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
    index 2586c28..5e5782d 100644
    --- a/arch/arm/mach-msm/Kconfig
    +++ b/arch/arm/mach-msm/Kconfig
    @@ -58,9 +58,18 @@ config ARCH_MSM8960
    select GPIO_MSM_V2
    select MSM_SCM if SMP

    +config ARCH_MSM8974
    + bool "MSM8974"
    + select ARM_GIC
    + select CPU_V7
    + select HAVE_ARM_ARCH_TIMER
    + select HAVE_SMP
    + select MSM_SCM if SMP
    + select USE_OF
    +
    config ARCH_MSM_DT
    def_bool y
    - depends on (ARCH_MSM8X60 || ARCH_MSM8960)
    + depends on (ARCH_MSM8X60 || ARCH_MSM8960 || ARCH_MSM8974)
    select SPARSE_IRQ
    select USE_OF

    diff --git a/arch/arm/mach-msm/board-dt.c b/arch/arm/mach-msm/board-dt.c
    index 266a280..5211e80 100644
    --- a/arch/arm/mach-msm/board-dt.c
    +++ b/arch/arm/mach-msm/board-dt.c
    @@ -26,7 +26,16 @@ static const char * const msm_dt_match[] __initconst = {
    NULL
    };

    +static const char * const apq8074_dt_match[] __initconst = {
    + "qcom,apq8074-dragonboard",
    + NULL
    +};
    +
    DT_MACHINE_START(MSM_DT, "Qualcomm MSM (Flattened Device Tree)")
    .smp = smp_ops(msm_smp_ops),
    .dt_compat = msm_dt_match,
    MACHINE_END
    +
    +DT_MACHINE_START(APQ_DT, "Qualcomm MSM (Flattened Device Tree)")
    + .dt_compat = apq8074_dt_match,
    +MACHINE_END
    --
    The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
    hosted by The Linux Foundation


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