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Date: Tue, 7 Dec 2021 15:35:18 -0600
From: Rob Herring <robh@...nel.org>
To: Martin Botka <martin.botka@...ainline.org>
Cc: martin.botka1@...il.com, ~postmarketos/upstreaming@...ts.sr.ht,
konrad.dybcio@...ainline.org,
angelogioacchino.delregno@...ainline.org,
marijn.suijten@...ainline.org, jamipkettunen@...ainline.org,
paul.bouchara@...ainline.org, Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>, linux-arm-msm@...r.kernel.org,
linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] dt-bindings: clock: add QCOM SM6125 display clock
bindings
On Tue, Nov 30, 2021 at 10:21:32PM +0100, Martin Botka wrote:
> Add device tree bindings for display clock controller for
> Qualcomm Technology Inc's SM6125 SoC.
>
> Signed-off-by: Martin Botka <martin.botka@...ainline.org>
> ---
> .../bindings/clock/qcom,dispcc-sm6125.yaml | 87 +++++++++++++++++++
> .../dt-bindings/clock/qcom,dispcc-sm6125.h | 41 +++++++++
> 2 files changed, 128 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/qcom,dispcc-sm6125.yaml
> create mode 100644 include/dt-bindings/clock/qcom,dispcc-sm6125.h
>
> diff --git a/Documentation/devicetree/bindings/clock/qcom,dispcc-sm6125.yaml b/Documentation/devicetree/bindings/clock/qcom,dispcc-sm6125.yaml
> new file mode 100644
> index 000000000000..971a72bbb631
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,dispcc-sm6125.yaml
> @@ -0,0 +1,87 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/qcom,dispcc-sm6125.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Display Clock Controller Binding for SM6125
> +
> +maintainers:
> + - Martin Botka <martin.botka@...ainline.org>
> +
> +description: |
> + Qualcomm display clock control module which supports the clocks and
> + power domains on SM6125.
> +
> + See also:
> + dt-bindings/clock/qcom,dispcc-sm6125.h
> +
> +properties:
> + compatible:
> + enum:
> + - qcom,sm6125-dispcc
> +
> + clocks:
> + items:
> + - description: Board XO source
> + - description: Byte clock from DSI PHY0
> + - description: Pixel clock from DSI PHY0
> + - description: Pixel clock from DSI PHY1
> + - description: Link clock from DP PHY
> + - description: VCO DIV clock from DP PHY
> + - description: AHB config clock from GCC
> +
> + clock-names:
> + items:
> + - const: bi_tcxo
> + - const: dsi0_phy_pll_out_byteclk
> + - const: dsi0_phy_pll_out_dsiclk
> + - const: dsi1_phy_pll_out_dsiclk
> + - const: dp_phy_pll_link_clk
> + - const: dp_phy_pll_vco_div_clk
> + - const: cfg_ahb_clk
> +
> + '#clock-cells':
> + const: 1
> +
> + '#power-domain-cells':
> + const: 1
> +
> + reg:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - clock-names
> + - '#clock-cells'
> + - '#power-domain-cells'
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/qcom,rpmcc.h>
> + #include <dt-bindings/clock/qcom,gcc-sm6125.h>
> + clock-controller@...0000 {
> + compatible = "qcom,sm6125-dispcc";
> + reg = <0x5f00000 0x20000>;
> + clocks = <&rpmcc RPM_SMD_XO_CLK_SRC>,
> + <&dsi0_phy 0>,
> + <&dsi0_phy 1>,
> + <&dsi1_phy 0>,
> + <&dp_phy 0>,
> + <&dp_phy 1>,
> + <&gcc GCC_DISP_AHB_CLK>;
> + clock-names = "bi_tcxo",
> + "dsi0_phy_pll_out_byteclk",
> + "dsi0_phy_pll_out_dsiclk",
> + "dsi1_phy_pll_out_dsiclk",
> + "dp_phy_pll_link_clk",
> + "dp_phy_pll_vco_div_clk",
> + "cfg_ahb_clk";
> + #clock-cells = <1>;
> + #power-domain-cells = <1>;
> + };
> +...
> diff --git a/include/dt-bindings/clock/qcom,dispcc-sm6125.h b/include/dt-bindings/clock/qcom,dispcc-sm6125.h
> new file mode 100644
> index 000000000000..d3fa45aa0e83
> --- /dev/null
> +++ b/include/dt-bindings/clock/qcom,dispcc-sm6125.h
> @@ -0,0 +1,41 @@
> +// SPDX-License-Identifier: GPL-2.0-only
Dual license please.
> +/*
> + * Copyright (c) 2021, The Linux Foundation. All rights reserved.
> + */
> +
> +#ifndef _DT_BINDINGS_CLK_QCOM_DISP_CC_SM6125_H
> +#define _DT_BINDINGS_CLK_QCOM_DISP_CC_SM6125_H
> +
> +#define DISP_CC_PLL0 0
> +#define DISP_CC_MDSS_AHB_CLK 1
> +#define DISP_CC_MDSS_AHB_CLK_SRC 2
> +#define DISP_CC_MDSS_BYTE0_CLK 3
> +#define DISP_CC_MDSS_BYTE0_CLK_SRC 4
> +#define DISP_CC_MDSS_BYTE0_INTF_CLK 5
> +#define DISP_CC_MDSS_DP_AUX_CLK 6
> +#define DISP_CC_MDSS_DP_AUX_CLK_SRC 7
> +#define DISP_CC_MDSS_DP_CRYPTO_CLK 8
> +#define DISP_CC_MDSS_DP_CRYPTO_CLK_SRC 9
> +#define DISP_CC_MDSS_DP_LINK_CLK 10
> +#define DISP_CC_MDSS_DP_LINK_CLK_SRC 11
> +#define DISP_CC_MDSS_DP_LINK_INTF_CLK 12
> +#define DISP_CC_MDSS_DP_PIXEL_CLK 13
> +#define DISP_CC_MDSS_DP_PIXEL_CLK_SRC 14
> +#define DISP_CC_MDSS_ESC0_CLK 15
> +#define DISP_CC_MDSS_ESC0_CLK_SRC 16
> +#define DISP_CC_MDSS_MDP_CLK 17
> +#define DISP_CC_MDSS_MDP_CLK_SRC 18
> +#define DISP_CC_MDSS_MDP_LUT_CLK 19
> +#define DISP_CC_MDSS_NON_GDSC_AHB_CLK 20
> +#define DISP_CC_MDSS_PCLK0_CLK 21
> +#define DISP_CC_MDSS_PCLK0_CLK_SRC 22
> +#define DISP_CC_MDSS_ROT_CLK 23
> +#define DISP_CC_MDSS_ROT_CLK_SRC 24
> +#define DISP_CC_MDSS_VSYNC_CLK 25
> +#define DISP_CC_MDSS_VSYNC_CLK_SRC 26
> +#define DISP_CC_XO_CLK 27
> +
> +/* DISP_CC GDSCR */
> +#define MDSS_GDSC 0
> +
> +#endif
> --
> 2.34.0
>
>
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