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/linux/Documentation/devicetree/bindings/gpio/
H A Dsprd,gpio-eic.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/gpio/sprd,gpio-eic.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Unisoc EIC controller
11 - Orson Zhai <orsonzhai@gmail.com>
12 - Baolin Wang <baolin.wang7@gmail.com>
13 - Chunyan Zhang <zhang.lyra@gmail.com>
16 The EIC is the abbreviation of external interrupt controller, which can
17 be used only in input mode. The Spreadtrum platform has 2 EIC controllers,
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/linux/drivers/gpio/
H A Dgpio-eic-sprd.c1 // SPDX-License-Identifier: GPL-2.0
17 /* EIC registers definition */
54 * The digital-chip EIC controller can support maximum 3 banks, and each bank
60 #define SPRD_EIC_BIT(x) ((x) & (SPRD_EIC_PER_BANK_NR - 1))
64 * The Spreadtrum EIC (external interrupt controller) can be used only in
67 * The Spreadtrum digital-chip EIC controller contains 4 sub-modules:
68 * debounce EIC, latch EIC, async EIC and sync EIC,
70 * The debounce EIC is used to capture the input signals' stable status
71 * (millisecond resolution) and a single-trigger mechanism is introduced
72 * into this sub-module to enhance the input event detection reliability.
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H A Dgpio-pmic-eic-sprd.c1 // SPDX-License-Identifier: GPL-2.0
15 /* EIC registers definition */
27 * The PMIC EIC controller only has one bank, and each bank now can contain
33 #define SPRD_PMIC_EIC_BIT(x) ((x) & (SPRD_PMIC_EIC_PER_BANK_NR - 1))
48 * struct sprd_pmic_eic - PMIC EIC controller
51 * @offset: the EIC controller's offset address of the PMIC.
52 * @reg: the array to cache the EIC registers.
54 * @irq: the interrupt number of the PMIC EIC conteroller.
71 regmap_update_bits(pmic_eic->map, pmic_eic->offset + reg, in sprd_pmic_eic_update()
82 ret = regmap_read(pmic_eic->map, pmic_eic->offset + reg, &value); in sprd_pmic_eic_read()
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/linux/arch/arm64/boot/dts/sprd/
H A Dwhale2.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 #include <dt-bindings/clock/sprd,sc9860-clk.h>
11 interrupt-parent = <&gic>;
12 #address-cells = <2>;
13 #size-cells = <2>;
16 compatible = "simple-bus";
17 #address-cells = <2>;
18 #size-cells = <2>;
66 ap-apb@70000000 {
67 compatible = "simple-bus";
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/linux/drivers/clk/sprd/
H A Dums512-clk.c1 // SPDX-License-Identifier: GPL-2.0
9 #include <linux/clk-provider.h>
17 #include <dt-bindings/clock/sprd,ums512-clk.h>
33 static CLK_FIXED_FACTOR_FW_NAME(clk_26m_aud, "clk-26m-aud", "ext-26m", 1, 1, 0);
34 static CLK_FIXED_FACTOR_FW_NAME(clk_13m, "clk-13m", "ext-26m", 2, 1, 0);
35 static CLK_FIXED_FACTOR_FW_NAME(clk_6m5, "clk-6m5", "ext-26m", 4, 1, 0);
36 static CLK_FIXED_FACTOR_FW_NAME(clk_4m3, "clk-4m3", "ext-26m", 6, 1, 0);
37 static CLK_FIXED_FACTOR_FW_NAME(clk_2m, "clk-2m", "ext-26m", 13, 1, 0);
38 static CLK_FIXED_FACTOR_FW_NAME(clk_1m, "clk-1m", "ext-26m", 26, 1, 0);
39 static CLK_FIXED_FACTOR_FW_NAME(clk_250k, "clk-250k", "ext-26m", 104, 1, 0);
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H A Dsc9860-clk.c1 // SPDX-License-Identifier: GPL-2.0
8 #include <linux/clk-provider.h>
16 #include <dt-bindings/clock/sprd,sc9860-clk.h>
25 static CLK_FIXED_FACTOR(fac_4m, "fac-4m", "ext-26m",
27 static CLK_FIXED_FACTOR(fac_2m, "fac-2m", "ext-26m",
29 static CLK_FIXED_FACTOR(fac_1m, "fac-1m", "ext-26m",
31 static CLK_FIXED_FACTOR(fac_250k, "fac-250k", "ext-26m",
33 static CLK_FIXED_FACTOR(fac_rpll0_26m, "rpll0-26m", "ext-26m",
35 static CLK_FIXED_FACTOR(fac_rpll1_26m, "rpll1-26m", "ext-26m",
37 static CLK_FIXED_FACTOR(fac_rco_25m, "rco-25m", "ext-rc0-100m",
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