? 2016/5/13 6:35, Brian Norris ??:
> Add description for the SDHCI v5.1 eMMC controller on rk3399. Fix it to
> 200 MHz, to support all supported timing modes.
>
> Note that 'rockchip,rk3399-sdhci-5.1' is not documented; we presumably
> have a compliant Arasan controller, but let's have a rockchip property
> as the canonical backup/precautionary measure. Per Heiko's previous
> suggestion, let's not clutter the arasan doc with it.
>
> Signed-off-by: Brian Norris <briannorris at chromium.org>
Except for adding "rockchip,rk3399-sdhci-5.1", it looks nice and keeps
consistent with our local kernel-4.4 tree.
Reviewed-by: Shawn Lin <shawn.lin at rock-chips.com>
> ---
> v2:
>
> * improved commit message
> * assign eMMC clock to 200 MHz
>
> arch/arm64/boot/dts/rockchip/rk3399.dtsi | 25 ++++++++++++++++++++++++-
> 1 file changed, 24 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> index 46f325a143b0..9980c2eab4e9 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> @@ -215,6 +215,19 @@
> status = "disabled";
> };
>
> + sdhci: sdhci at fe330000 {
> + compatible = "rockchip,rk3399-sdhci-5.1", "arasan,sdhci-5.1";
> + reg = <0x0 0xfe330000 0x0 0x10000>;
> + interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cru SCLK_EMMC>, <&cru ACLK_EMMC>;
> + clock-names = "clk_xin", "clk_ahb";
> + assigned-clocks = <&cru SCLK_EMMC>;
> + assigned-clock-rates = <200000000>;
> + phys = <&emmc_phy>;
> + phy-names = "phy_arasan";
> + status = "disabled";
> + };
> +
> usb_host0_ehci: usb at fe380000 {
> compatible = "generic-ehci";
> reg = <0x0 0xfe380000 0x0 0x20000>;
> @@ -481,8 +494,18 @@
> };
>
> grf: syscon at ff770000 {
> - compatible = "rockchip,rk3399-grf", "syscon";
> + compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd";
> reg = <0x0 0xff770000 0x0 0x10000>;
> +
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + emmc_phy: phy at f780 {
> + compatible = "rockchip,rk3399-emmc-phy";
> + reg = <0xf780 0x20>;
> + #phy-cells = <0>;
> + status = "disabled";
> + };
> };
>
> watchdog at ff840000 {
>
--
Best Regards
Shawn Lin
