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Date: Thu, 18 Nov 2021 19:06:45 -0600
From: Rob Herring <robh@...nel.org>
To: quic_vamslank@...cinc.com
Cc: agross@...nel.org, bjorn.andersson@...aro.org,
mturquette@...libre.com, sboyd@...nel.org, tglx@...utronix.de,
maz@...nel.org, linux-arm-msm@...r.kernel.org,
linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, manivannan.sadhasivam@...aro.org
Subject: Re: [PATCH v4 1/6] dt-bindings: clock: Add SDX65 GCC clock bindings
On Mon, Nov 15, 2021 at 11:38:07PM -0800, quic_vamslank@...cinc.com wrote:
> From: Vamsi krishna Lanka <quic_vamslank@...cinc.com>
>
> Add device tree bindings for global clock controller on SDX65 SOCs.
>
> Signed-off-by: Vamsi Krishna Lanka <quic_vamslank@...cinc.com>
> ---
> .../bindings/clock/qcom,gcc-sdx65.yaml | 78 +++++++++++
> include/dt-bindings/clock/qcom,gcc-sdx65.h | 122 ++++++++++++++++++
> 2 files changed, 200 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/qcom,gcc-sdx65.yaml
> create mode 100644 include/dt-bindings/clock/qcom,gcc-sdx65.h
>
> diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-sdx65.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-sdx65.yaml
> new file mode 100644
> index 000000000000..b0d4523c53b8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,gcc-sdx65.yaml
> @@ -0,0 +1,78 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/qcom,gcc-sdx65.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Global Clock & Reset Controller Binding for SDX65
> +
> +maintainers:
> + - Vamsi krishna Lanka <quic_vamslank@...cinc.com>
> +
> +description: |
> + Qualcomm global clock control module which supports the clocks, resets and
> + power domains on SDX65
> +
> + See also:
> + - dt-bindings/clock/qcom,gcc-sdx65.h
> +
> +properties:
> + compatible:
> + const: qcom,gcc-sdx65
> +
> + reg:
> + maxItems: 1
> +
> + clocks:
> + items:
> + - description: Board XO source
> + - description: Board active XO source
> + - description: Sleep clock source
> + - description: PCIE Pipe clock source
> + - description: USB3 phy wrapper pipe clock source
> + - description: PLL test clock source (Optional clock)
Optional is defined with 'minItems: 5'
> +
> + clock-names:
> + items:
> + - const: bi_tcxo
> + - const: bi_tcxo_ao
> + - const: sleep_clk
> + - const: pcie_pipe_clk
> + - const: usb3_phy_wrapper_gcc_usb30_pipe_clk
> + - const: core_bi_pll_test_se # Optional clock
> +
> + '#clock-cells':
> + const: 1
> +
> + '#reset-cells':
> + const: 1
> +
> + '#power-domain-cells':
> + const: 1
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - clock-names
> + - '#clock-cells'
> + - '#reset-cells'
> + - '#power-domain-cells'
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/qcom,rpmh.h>
> + clock-controller@...000 {
> + compatible = "qcom,gcc-sdx65";
> + reg = <0x100000 0x1f7400>;
> + clocks = <&rpmhcc RPMH_CXO_CLK>, <&rpmhcc RPMH_CXO_CLK_A>, <&sleep_clk>,
> + <&pcie_pipe_clk>, <&usb3_phy_wrapper_gcc_usb30_pipe_clk>, <&pll_test_clk>;
> + clock-names = "bi_tcxo", "bi_tcxo_ao", "sleep_clk",
> + "pcie_pipe_clk", "usb3_phy_wrapper_gcc_usb30_pipe_clk", "core_bi_pll_test_se";
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + #power-domain-cells = <1>;
> + };
> +...
> diff --git a/include/dt-bindings/clock/qcom,gcc-sdx65.h b/include/dt-bindings/clock/qcom,gcc-sdx65.h
> new file mode 100644
> index 000000000000..75ecc9237d8f
> --- /dev/null
> +++ b/include/dt-bindings/clock/qcom,gcc-sdx65.h
> @@ -0,0 +1,122 @@
> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
> +/*
> + * Copyright (c) 2021, Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#ifndef _DT_BINDINGS_CLK_QCOM_GCC_SDX65_H
> +#define _DT_BINDINGS_CLK_QCOM_GCC_SDX65_H
> +
> +/* GCC clocks */
> +#define GPLL0 0
> +#define GPLL0_OUT_EVEN 1
> +#define GCC_AHB_PCIE_LINK_CLK 2
> +#define GCC_BLSP1_AHB_CLK 3
> +#define GCC_BLSP1_QUP1_I2C_APPS_CLK 4
> +#define GCC_BLSP1_QUP1_I2C_APPS_CLK_SRC 5
> +#define GCC_BLSP1_QUP1_SPI_APPS_CLK 6
> +#define GCC_BLSP1_QUP1_SPI_APPS_CLK_SRC 7
> +#define GCC_BLSP1_QUP2_I2C_APPS_CLK 8
> +#define GCC_BLSP1_QUP2_I2C_APPS_CLK_SRC 9
> +#define GCC_BLSP1_QUP2_SPI_APPS_CLK 10
> +#define GCC_BLSP1_QUP2_SPI_APPS_CLK_SRC 11
> +#define GCC_BLSP1_QUP3_I2C_APPS_CLK 12
> +#define GCC_BLSP1_QUP3_I2C_APPS_CLK_SRC 13
> +#define GCC_BLSP1_QUP3_SPI_APPS_CLK 14
> +#define GCC_BLSP1_QUP3_SPI_APPS_CLK_SRC 15
> +#define GCC_BLSP1_QUP4_I2C_APPS_CLK 16
> +#define GCC_BLSP1_QUP4_I2C_APPS_CLK_SRC 17
> +#define GCC_BLSP1_QUP4_SPI_APPS_CLK 18
> +#define GCC_BLSP1_QUP4_SPI_APPS_CLK_SRC 19
> +#define GCC_BLSP1_SLEEP_CLK 20
> +#define GCC_BLSP1_UART1_APPS_CLK 21
> +#define GCC_BLSP1_UART1_APPS_CLK_SRC 22
> +#define GCC_BLSP1_UART2_APPS_CLK 23
> +#define GCC_BLSP1_UART2_APPS_CLK_SRC 24
> +#define GCC_BLSP1_UART3_APPS_CLK 25
> +#define GCC_BLSP1_UART3_APPS_CLK_SRC 26
> +#define GCC_BLSP1_UART4_APPS_CLK 27
> +#define GCC_BLSP1_UART4_APPS_CLK_SRC 28
> +#define GCC_BOOT_ROM_AHB_CLK 29
> +#define GCC_CPUSS_AHB_CLK 30
> +#define GCC_CPUSS_AHB_CLK_SRC 31
> +#define GCC_CPUSS_AHB_POSTDIV_CLK_SRC 32
> +#define GCC_CPUSS_GNOC_CLK 33
> +#define GCC_GP1_CLK 34
> +#define GCC_GP1_CLK_SRC 35
> +#define GCC_GP2_CLK 36
> +#define GCC_GP2_CLK_SRC 37
> +#define GCC_GP3_CLK 38
> +#define GCC_GP3_CLK_SRC 39
> +#define GCC_PCIE_0_CLKREF_EN 40
> +#define GCC_PCIE_AUX_CLK 41
> +#define GCC_PCIE_AUX_CLK_SRC 42
> +#define GCC_PCIE_AUX_PHY_CLK_SRC 43
> +#define GCC_PCIE_CFG_AHB_CLK 44
> +#define GCC_PCIE_MSTR_AXI_CLK 45
> +#define GCC_PCIE_PIPE_CLK 46
> +#define GCC_PCIE_PIPE_CLK_SRC 47
> +#define GCC_PCIE_RCHNG_PHY_CLK 48
> +#define GCC_PCIE_RCHNG_PHY_CLK_SRC 49
> +#define GCC_PCIE_SLEEP_CLK 50
> +#define GCC_PCIE_SLV_AXI_CLK 51
> +#define GCC_PCIE_SLV_Q2A_AXI_CLK 52
> +#define GCC_PDM2_CLK 53
> +#define GCC_PDM2_CLK_SRC 54
> +#define GCC_PDM_AHB_CLK 55
> +#define GCC_PDM_XO4_CLK 56
> +#define GCC_RX1_USB2_CLKREF_EN 57
> +#define GCC_SDCC1_AHB_CLK 58
> +#define GCC_SDCC1_APPS_CLK 59
> +#define GCC_SDCC1_APPS_CLK_SRC 60
> +#define GCC_SPMI_FETCHER_AHB_CLK 61
> +#define GCC_SPMI_FETCHER_CLK 62
> +#define GCC_SPMI_FETCHER_CLK_SRC 63
> +#define GCC_SYS_NOC_CPUSS_AHB_CLK 64
> +#define GCC_USB30_MASTER_CLK 65
> +#define GCC_USB30_MASTER_CLK_SRC 66
> +#define GCC_USB30_MOCK_UTMI_CLK 67
> +#define GCC_USB30_MOCK_UTMI_CLK_SRC 68
> +#define GCC_USB30_MOCK_UTMI_POSTDIV_CLK_SRC 69
> +#define GCC_USB30_MSTR_AXI_CLK 70
> +#define GCC_USB30_SLEEP_CLK 71
> +#define GCC_USB30_SLV_AHB_CLK 72
> +#define GCC_USB3_PHY_AUX_CLK 73
> +#define GCC_USB3_PHY_AUX_CLK_SRC 74
> +#define GCC_USB3_PHY_PIPE_CLK 75
> +#define GCC_USB3_PHY_PIPE_CLK_SRC 76
> +#define GCC_USB3_PRIM_CLKREF_EN 77
> +#define GCC_USB_PHY_CFG_AHB2PHY_CLK 78
> +#define GCC_XO_DIV4_CLK 79
> +#define GCC_XO_PCIE_LINK_CLK 80
> +
> +/* GCC resets */
> +#define GCC_BLSP1_QUP1_BCR 0
> +#define GCC_BLSP1_QUP2_BCR 1
> +#define GCC_BLSP1_QUP3_BCR 2
> +#define GCC_BLSP1_QUP4_BCR 3
> +#define GCC_BLSP1_UART1_BCR 4
> +#define GCC_BLSP1_UART2_BCR 5
> +#define GCC_BLSP1_UART3_BCR 6
> +#define GCC_BLSP1_UART4_BCR 7
> +#define GCC_PCIE_BCR 8
> +#define GCC_PCIE_LINK_DOWN_BCR 9
> +#define GCC_PCIE_NOCSR_COM_PHY_BCR 10
> +#define GCC_PCIE_PHY_BCR 11
> +#define GCC_PCIE_PHY_CFG_AHB_BCR 12
> +#define GCC_PCIE_PHY_COM_BCR 13
> +#define GCC_PCIE_PHY_NOCSR_COM_PHY_BCR 14
> +#define GCC_PDM_BCR 15
> +#define GCC_QUSB2PHY_BCR 16
> +#define GCC_SDCC1_BCR 17
> +#define GCC_SPMI_FETCHER_BCR 18
> +#define GCC_TCSR_PCIE_BCR 19
> +#define GCC_USB30_BCR 20
> +#define GCC_USB3_PHY_BCR 21
> +#define GCC_USB3PHY_PHY_BCR 22
> +#define GCC_USB_PHY_CFG_AHB2PHY_BCR 23
> +
> +/* GCC power domains */
> +#define USB30_GDSC 0
> +#define PCIE_GDSC 1
> +
> +#endif
> --
> 2.33.1
>
>
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