| Message ID | 20230411130446.401440-5-brgl@bgdev.pl |
|---|---|
| State | New |
| Headers | show |
| Series | arm64: qcom: sa8775p: add support for UFS | expand |
On Tue, Apr 11, 2023 at 03:04:45PM +0200, Bartosz Golaszewski wrote: > From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> > > Add nodes for the UFS and its PHY on sa8775p platforms. > > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> > Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> > --- > arch/arm64/boot/dts/qcom/sa8775p.dtsi | 58 +++++++++++++++++++++++++++ > 1 file changed, 58 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi > index 2343df7e0ea4..5de0fbbe9752 100644 > --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi > +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi > @@ -585,6 +585,64 @@ &clk_virt SLAVE_QUP_CORE_1 QCOM_ICC_TAG_ALWAYS>, > }; > }; > > + ufs_mem_hc: ufs@1d84000 { > + compatible = "qcom,sa8775p-ufshc", "qcom,ufshc", "jedec,ufs-2.0"; > + reg = <0x0 0x01d84000 0x0 0x3000>; > + interrupts = <GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH>; > + phys = <&ufs_mem_phy>; > + phy-names = "ufsphy"; > + lanes-per-direction = <2>; > + #reset-cells = <1>; > + resets = <&gcc GCC_UFS_PHY_BCR>; > + reset-names = "rst"; > + power-domains = <&gcc UFS_PHY_GDSC>; > + required-opps = <&rpmhpd_opp_nom>; > + iommus = <&apps_smmu 0x100 0x0>; > + clocks = <&gcc GCC_UFS_PHY_AXI_CLK>, > + <&gcc GCC_AGGRE_UFS_PHY_AXI_CLK>, > + <&gcc GCC_UFS_PHY_AHB_CLK>, > + <&gcc GCC_UFS_PHY_UNIPRO_CORE_CLK>, > + <&rpmhcc RPMH_CXO_CLK>, > + <&gcc GCC_UFS_PHY_TX_SYMBOL_0_CLK>, > + <&gcc GCC_UFS_PHY_RX_SYMBOL_0_CLK>, > + <&gcc GCC_UFS_PHY_RX_SYMBOL_1_CLK>; > + clock-names = "core_clk", > + "bus_aggr_clk", > + "iface_clk", > + "core_clk_unipro", > + "ref_clk", > + "tx_lane0_sync_clk", > + "rx_lane0_sync_clk", > + "rx_lane1_sync_clk"; > + freq-table-hz = <75000000 300000000>, > + <0 0>, > + <0 0>, > + <75000000 300000000>, > + <0 0>, > + <0 0>, > + <0 0>, > + <0 0>; > + status = "disabled"; I'm pretty sure that the UFS controllers found in latest SoCs are cache coherent. So you'd need "dma-coherent" property here. - Mani > + }; > + > + ufs_mem_phy: phy@1d87000 { > + compatible = "qcom,sa8775p-qmp-ufs-phy"; > + reg = <0x0 0x01d87000 0x0 0xe10>; > + /* > + * Yes, GCC_EDP_REF_CLKREF_EN is correct in qref. It > + * enables the CXO clock to eDP *and* UFS PHY. > + */ > + clocks = <&rpmhcc RPMH_CXO_CLK>, > + <&gcc GCC_UFS_PHY_PHY_AUX_CLK>, > + <&gcc GCC_EDP_REF_CLKREF_EN>; > + clock-names = "ref", "ref_aux", "qref"; > + power-domains = <&gcc UFS_PHY_GDSC>; > + resets = <&ufs_mem_hc 0>; > + reset-names = "ufsphy"; > + #phy-cells = <0>; > + status = "disabled"; > + }; > + > tcsr_mutex: hwlock@1f40000 { > compatible = "qcom,tcsr-mutex"; > reg = <0x0 0x01f40000 0x0 0x20000>; > -- > 2.37.2 >
diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi index 2343df7e0ea4..5de0fbbe9752 100644 --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi @@ -585,6 +585,64 @@ &clk_virt SLAVE_QUP_CORE_1 QCOM_ICC_TAG_ALWAYS>, }; }; + ufs_mem_hc: ufs@1d84000 { + compatible = "qcom,sa8775p-ufshc", "qcom,ufshc", "jedec,ufs-2.0"; + reg = <0x0 0x01d84000 0x0 0x3000>; + interrupts = <GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH>; + phys = <&ufs_mem_phy>; + phy-names = "ufsphy"; + lanes-per-direction = <2>; + #reset-cells = <1>; + resets = <&gcc GCC_UFS_PHY_BCR>; + reset-names = "rst"; + power-domains = <&gcc UFS_PHY_GDSC>; + required-opps = <&rpmhpd_opp_nom>; + iommus = <&apps_smmu 0x100 0x0>; + clocks = <&gcc GCC_UFS_PHY_AXI_CLK>, + <&gcc GCC_AGGRE_UFS_PHY_AXI_CLK>, + <&gcc GCC_UFS_PHY_AHB_CLK>, + <&gcc GCC_UFS_PHY_UNIPRO_CORE_CLK>, + <&rpmhcc RPMH_CXO_CLK>, + <&gcc GCC_UFS_PHY_TX_SYMBOL_0_CLK>, + <&gcc GCC_UFS_PHY_RX_SYMBOL_0_CLK>, + <&gcc GCC_UFS_PHY_RX_SYMBOL_1_CLK>; + clock-names = "core_clk", + "bus_aggr_clk", + "iface_clk", + "core_clk_unipro", + "ref_clk", + "tx_lane0_sync_clk", + "rx_lane0_sync_clk", + "rx_lane1_sync_clk"; + freq-table-hz = <75000000 300000000>, + <0 0>, + <0 0>, + <75000000 300000000>, + <0 0>, + <0 0>, + <0 0>, + <0 0>; + status = "disabled"; + }; + + ufs_mem_phy: phy@1d87000 { + compatible = "qcom,sa8775p-qmp-ufs-phy"; + reg = <0x0 0x01d87000 0x0 0xe10>; + /* + * Yes, GCC_EDP_REF_CLKREF_EN is correct in qref. It + * enables the CXO clock to eDP *and* UFS PHY. + */ + clocks = <&rpmhcc RPMH_CXO_CLK>, + <&gcc GCC_UFS_PHY_PHY_AUX_CLK>, + <&gcc GCC_EDP_REF_CLKREF_EN>; + clock-names = "ref", "ref_aux", "qref"; + power-domains = <&gcc UFS_PHY_GDSC>; + resets = <&ufs_mem_hc 0>; + reset-names = "ufsphy"; + #phy-cells = <0>; + status = "disabled"; + }; + tcsr_mutex: hwlock@1f40000 { compatible = "qcom,tcsr-mutex"; reg = <0x0 0x01f40000 0x0 0x20000>;