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![Chen-Yu Tsai](/assets/img/avatar_default.png)
As part of the effort to improve the MediaTek clk drivers, the next step is to switch from the old 'struct clk' clk prodivder APIs to the new 'struct clk_hw' ones. Instead of adding new APIs to the MediaTek clk driver library mirroring the existing ones, moving all drivers to the new APIs, and then removing the old ones, just migrate everything at the same time. This involves replacing 'struct clk' with 'struct clk_hw', and 'struct clk_onecell_data' with 'struct clk_hw_onecell_data', and fixing up all usages. For now, the clk_register() and co. usage is retained, with __clk_get_hw() and (struct clk_hw *)->clk used to bridge the difference between the APIs. These will be replaced in subsequent patches. Fix up mtk_{alloc,free}_clk_data to use 'struct clk_hw' by hand. Fix up all other affected call sites with the following coccinelle script. // Replace type @@ @@ - struct clk_onecell_data + struct clk_hw_onecell_data // Replace of_clk_add_provider() & of_clk_src_simple_get() @@ expression NP, DATA; symbol of_clk_src_onecell_get; @@ - of_clk_add_provider( + of_clk_add_hw_provider( NP, - of_clk_src_onecell_get, + of_clk_hw_onecell_get, DATA ) // Fix register/unregister @@ identifier CD; expression E; identifier fn =~ "unregister"; @@ fn(..., - CD->clks[E] + CD->hws[E]->clk ,... ); // Fix calls to clk_prepare_enable() @@ identifier CD; expression E; @@ clk_prepare_enable( - CD->clks[E] + CD->hws[E]->clk ); // Fix pointer assignment @@ identifier CD; identifier CLK; expression E; @@ - CD->clks[E] + CD->hws[E] = ( - CLK + __clk_get_hw(CLK) | ERR_PTR(...) ) ; // Fix pointer usage @@ identifier CD; expression E; @@ - CD->clks[E] + CD->hws[E] // Fix mtk_clk_pll_get_base() @@ symbol clk, hw, data; @@ mtk_clk_pll_get_base( - struct clk *clk, + struct clk_hw *hw, const struct mtk_pll_data *data ) { - struct clk_hw *hw = __clk_get_hw(clk); ... } // Fix mtk_clk_pll_get_base() usage @@ identifier CD; expression E; @@ mtk_clk_pll_get_base( - CD->clks[E] + CD->hws[E]->clk ,... ); Signed-off-by: Chen-Yu Tsai <wenst@chromium.org> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Miles Chen <miles.chen@mediatek.com> Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Tested-by: Miles Chen <miles.chen@mediatek.com> Link: https://lore.kernel.org/r/20220519071610.423372-4-wenst@chromium.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
342 lines
12 KiB
C
342 lines
12 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2021 MediaTek Inc.
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* Author: Sam Shih <sam.shih@mediatek.com>
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* Author: Wenzhen Yu <wenzhen.yu@mediatek.com>
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*/
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#include <linux/clk-provider.h>
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#include <linux/of.h>
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#include <linux/of_address.h>
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#include <linux/of_device.h>
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#include <linux/platform_device.h>
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#include "clk-mtk.h"
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#include "clk-gate.h"
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#include "clk-mux.h"
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#include <dt-bindings/clock/mt7986-clk.h>
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#include <linux/clk.h>
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static DEFINE_SPINLOCK(mt7986_clk_lock);
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static const struct mtk_fixed_clk top_fixed_clks[] = {
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FIXED_CLK(CLK_TOP_XTAL, "top_xtal", "clkxtal", 40000000),
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FIXED_CLK(CLK_TOP_JTAG, "top_jtag", "clkxtal", 50000000),
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};
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static const struct mtk_fixed_factor top_divs[] = {
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/* XTAL */
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FACTOR(CLK_TOP_XTAL_D2, "top_xtal_d2", "top_xtal", 1, 2),
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FACTOR(CLK_TOP_RTC_32K, "top_rtc_32k", "top_xtal", 1, 1250),
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FACTOR(CLK_TOP_RTC_32P7K, "top_rtc_32p7k", "top_xtal", 1, 1220),
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/* MPLL */
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FACTOR(CLK_TOP_MPLL_D2, "top_mpll_d2", "mpll", 1, 2),
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FACTOR(CLK_TOP_MPLL_D4, "top_mpll_d4", "mpll", 1, 4),
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FACTOR(CLK_TOP_MPLL_D8, "top_mpll_d8", "mpll", 1, 8),
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FACTOR(CLK_TOP_MPLL_D8_D2, "top_mpll_d8_d2", "mpll", 1, 16),
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FACTOR(CLK_TOP_MPLL_D3_D2, "top_mpll_d3_d2", "mpll", 1, 6),
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/* MMPLL */
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FACTOR(CLK_TOP_MMPLL_D2, "top_mmpll_d2", "mmpll", 1, 2),
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FACTOR(CLK_TOP_MMPLL_D4, "top_mmpll_d4", "mmpll", 1, 4),
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FACTOR(CLK_TOP_MMPLL_D8, "top_mmpll_d8", "mmpll", 1, 8),
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FACTOR(CLK_TOP_MMPLL_D8_D2, "top_mmpll_d8_d2", "mmpll", 1, 16),
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FACTOR(CLK_TOP_MMPLL_D3_D8, "top_mmpll_d3_d8", "mmpll", 1, 24),
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FACTOR(CLK_TOP_MMPLL_U2PHY, "top_mmpll_u2phy", "mmpll", 1, 30),
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/* APLL2 */
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FACTOR(CLK_TOP_APLL2_D4, "top_apll2_d4", "apll2", 1, 4),
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/* NET1PLL */
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FACTOR(CLK_TOP_NET1PLL_D4, "top_net1pll_d4", "net1pll", 1, 4),
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FACTOR(CLK_TOP_NET1PLL_D5, "top_net1pll_d5", "net1pll", 1, 5),
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FACTOR(CLK_TOP_NET1PLL_D5_D2, "top_net1pll_d5_d2", "net1pll", 1, 10),
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FACTOR(CLK_TOP_NET1PLL_D5_D4, "top_net1pll_d5_d4", "net1pll", 1, 20),
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FACTOR(CLK_TOP_NET1PLL_D8_D2, "top_net1pll_d8_d2", "net1pll", 1, 16),
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FACTOR(CLK_TOP_NET1PLL_D8_D4, "top_net1pll_d8_d4", "net1pll", 1, 32),
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/* NET2PLL */
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FACTOR(CLK_TOP_NET2PLL_D4, "top_net2pll_d4", "net2pll", 1, 4),
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FACTOR(CLK_TOP_NET2PLL_D4_D2, "top_net2pll_d4_d2", "net2pll", 1, 8),
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FACTOR(CLK_TOP_NET2PLL_D3_D2, "top_net2pll_d3_d2", "net2pll", 1, 2),
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/* WEDMCUPLL */
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FACTOR(CLK_TOP_WEDMCUPLL_D5_D2, "top_wedmcupll_d5_d2", "wedmcupll", 1,
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10),
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};
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static const char *const nfi1x_parents[] __initconst = { "top_xtal",
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"top_mmpll_d8",
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"top_net1pll_d8_d2",
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"top_net2pll_d3_d2",
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"top_mpll_d4",
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"top_mmpll_d8_d2",
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"top_wedmcupll_d5_d2",
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"top_mpll_d8" };
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static const char *const spinfi_parents[] __initconst = {
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"top_xtal_d2", "top_xtal", "top_net1pll_d5_d4",
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"top_mpll_d4", "top_mmpll_d8_d2", "top_wedmcupll_d5_d2",
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"top_mmpll_d3_d8", "top_mpll_d8"
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};
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static const char *const spi_parents[] __initconst = {
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"top_xtal", "top_mpll_d2", "top_mmpll_d8",
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"top_net1pll_d8_d2", "top_net2pll_d3_d2", "top_net1pll_d5_d4",
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"top_mpll_d4", "top_wedmcupll_d5_d2"
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};
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static const char *const uart_parents[] __initconst = { "top_xtal",
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"top_mpll_d8",
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"top_mpll_d8_d2" };
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static const char *const pwm_parents[] __initconst = {
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"top_xtal", "top_net1pll_d8_d2", "top_net1pll_d5_d4", "top_mpll_d4"
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};
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static const char *const i2c_parents[] __initconst = {
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"top_xtal", "top_net1pll_d5_d4", "top_mpll_d4", "top_net1pll_d8_d4"
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};
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static const char *const pextp_tl_ck_parents[] __initconst = {
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"top_xtal", "top_net1pll_d5_d4", "top_net2pll_d4_d2", "top_rtc_32k"
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};
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static const char *const emmc_250m_parents[] __initconst = {
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"top_xtal", "top_net1pll_d5_d2"
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};
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static const char *const emmc_416m_parents[] __initconst = { "top_xtal",
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"mpll" };
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static const char *const f_26m_adc_parents[] __initconst = { "top_xtal",
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"top_mpll_d8_d2" };
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static const char *const dramc_md32_parents[] __initconst = { "top_xtal",
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"top_mpll_d2" };
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static const char *const sysaxi_parents[] __initconst = { "top_xtal",
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"top_net1pll_d8_d2",
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"top_net2pll_d4" };
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static const char *const sysapb_parents[] __initconst = { "top_xtal",
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"top_mpll_d3_d2",
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"top_net2pll_d4_d2" };
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static const char *const arm_db_main_parents[] __initconst = {
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"top_xtal", "top_net2pll_d3_d2"
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};
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static const char *const arm_db_jtsel_parents[] __initconst = { "top_jtag",
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"top_xtal" };
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static const char *const netsys_parents[] __initconst = { "top_xtal",
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"top_mmpll_d4" };
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static const char *const netsys_500m_parents[] __initconst = {
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"top_xtal", "top_net1pll_d5"
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};
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static const char *const netsys_mcu_parents[] __initconst = {
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"top_xtal", "wedmcupll", "top_mmpll_d2", "top_net1pll_d4",
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"top_net1pll_d5"
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};
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static const char *const netsys_2x_parents[] __initconst = {
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"top_xtal", "net2pll", "wedmcupll", "top_mmpll_d2"
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};
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static const char *const sgm_325m_parents[] __initconst = { "top_xtal",
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"sgmpll" };
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static const char *const sgm_reg_parents[] __initconst = {
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"top_xtal", "top_net1pll_d8_d4"
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};
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static const char *const a1sys_parents[] __initconst = { "top_xtal",
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"top_apll2_d4" };
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static const char *const conn_mcusys_parents[] __initconst = { "top_xtal",
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"top_mmpll_d2" };
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static const char *const eip_b_parents[] __initconst = { "top_xtal",
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"net2pll" };
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static const char *const aud_l_parents[] __initconst = { "top_xtal", "apll2",
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"top_mpll_d8_d2" };
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static const char *const a_tuner_parents[] __initconst = { "top_xtal",
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"top_apll2_d4",
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"top_mpll_d8_d2" };
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static const char *const u2u3_sys_parents[] __initconst = {
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"top_xtal", "top_net1pll_d5_d4"
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};
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static const char *const da_u2_refsel_parents[] __initconst = {
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"top_xtal", "top_mmpll_u2phy"
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};
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static const struct mtk_mux top_muxes[] = {
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/* CLK_CFG_0 */
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MUX_GATE_CLR_SET_UPD(CLK_TOP_NFI1X_SEL, "nfi1x_sel", nfi1x_parents,
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0x000, 0x004, 0x008, 0, 3, 7, 0x1C0, 0),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_SPINFI_SEL, "spinfi_sel", spinfi_parents,
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0x000, 0x004, 0x008, 8, 3, 15, 0x1C0, 1),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_SPI_SEL, "spi_sel", spi_parents, 0x000,
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0x004, 0x008, 16, 3, 23, 0x1C0, 2),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_SPIM_MST_SEL, "spim_mst_sel", spi_parents,
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0x000, 0x004, 0x008, 24, 3, 31, 0x1C0, 3),
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/* CLK_CFG_1 */
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MUX_GATE_CLR_SET_UPD(CLK_TOP_UART_SEL, "uart_sel", uart_parents, 0x010,
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0x014, 0x018, 0, 2, 7, 0x1C0, 4),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_PWM_SEL, "pwm_sel", pwm_parents, 0x010,
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0x014, 0x018, 8, 2, 15, 0x1C0, 5),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_I2C_SEL, "i2c_sel", i2c_parents, 0x010,
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0x014, 0x018, 16, 2, 23, 0x1C0, 6),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_PEXTP_TL_SEL, "pextp_tl_ck_sel",
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pextp_tl_ck_parents, 0x010, 0x014, 0x018, 24, 2,
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31, 0x1C0, 7),
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/* CLK_CFG_2 */
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MUX_GATE_CLR_SET_UPD(CLK_TOP_EMMC_250M_SEL, "emmc_250m_sel",
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emmc_250m_parents, 0x020, 0x024, 0x028, 0, 1, 7,
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0x1C0, 8),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_EMMC_416M_SEL, "emmc_416m_sel",
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emmc_416m_parents, 0x020, 0x024, 0x028, 8, 1, 15,
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0x1C0, 9),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_F_26M_ADC_SEL, "f_26m_adc_sel",
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f_26m_adc_parents, 0x020, 0x024, 0x028, 16, 1, 23,
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0x1C0, 10),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_DRAMC_SEL, "dramc_sel", f_26m_adc_parents,
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0x020, 0x024, 0x028, 24, 1, 31, 0x1C0, 11),
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/* CLK_CFG_3 */
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MUX_GATE_CLR_SET_UPD(CLK_TOP_DRAMC_MD32_SEL, "dramc_md32_sel",
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dramc_md32_parents, 0x030, 0x034, 0x038, 0, 1, 7,
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0x1C0, 12),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_SYSAXI_SEL, "sysaxi_sel", sysaxi_parents,
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0x030, 0x034, 0x038, 8, 2, 15, 0x1C0, 13),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_SYSAPB_SEL, "sysapb_sel", sysapb_parents,
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0x030, 0x034, 0x038, 16, 2, 23, 0x1C0, 14),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_ARM_DB_MAIN_SEL, "arm_db_main_sel",
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arm_db_main_parents, 0x030, 0x034, 0x038, 24, 1,
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31, 0x1C0, 15),
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/* CLK_CFG_4 */
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MUX_GATE_CLR_SET_UPD(CLK_TOP_ARM_DB_JTSEL, "arm_db_jtsel",
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arm_db_jtsel_parents, 0x040, 0x044, 0x048, 0, 1, 7,
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0x1C0, 16),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_NETSYS_SEL, "netsys_sel", netsys_parents,
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0x040, 0x044, 0x048, 8, 1, 15, 0x1C0, 17),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_NETSYS_500M_SEL, "netsys_500m_sel",
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netsys_500m_parents, 0x040, 0x044, 0x048, 16, 1,
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23, 0x1C0, 18),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_NETSYS_MCU_SEL, "netsys_mcu_sel",
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netsys_mcu_parents, 0x040, 0x044, 0x048, 24, 3, 31,
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0x1C0, 19),
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/* CLK_CFG_5 */
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MUX_GATE_CLR_SET_UPD(CLK_TOP_NETSYS_2X_SEL, "netsys_2x_sel",
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netsys_2x_parents, 0x050, 0x054, 0x058, 0, 2, 7,
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0x1C0, 20),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_SGM_325M_SEL, "sgm_325m_sel",
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sgm_325m_parents, 0x050, 0x054, 0x058, 8, 1, 15,
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0x1C0, 21),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_SGM_REG_SEL, "sgm_reg_sel",
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sgm_reg_parents, 0x050, 0x054, 0x058, 16, 1, 23,
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0x1C0, 22),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_A1SYS_SEL, "a1sys_sel", a1sys_parents,
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0x050, 0x054, 0x058, 24, 1, 31, 0x1C0, 23),
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/* CLK_CFG_6 */
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MUX_GATE_CLR_SET_UPD(CLK_TOP_CONN_MCUSYS_SEL, "conn_mcusys_sel",
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conn_mcusys_parents, 0x060, 0x064, 0x068, 0, 1, 7,
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0x1C0, 24),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_EIP_B_SEL, "eip_b_sel", eip_b_parents,
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0x060, 0x064, 0x068, 8, 1, 15, 0x1C0, 25),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_PCIE_PHY_SEL, "pcie_phy_sel",
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f_26m_adc_parents, 0x060, 0x064, 0x068, 16, 1, 23,
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0x1C0, 26),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_USB3_PHY_SEL, "usb3_phy_sel",
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f_26m_adc_parents, 0x060, 0x064, 0x068, 24, 1, 31,
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0x1C0, 27),
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/* CLK_CFG_7 */
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MUX_GATE_CLR_SET_UPD(CLK_TOP_F26M_SEL, "csw_f26m_sel",
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f_26m_adc_parents, 0x070, 0x074, 0x078, 0, 1, 7,
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0x1C0, 28),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_AUD_L_SEL, "aud_l_sel", aud_l_parents,
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0x070, 0x074, 0x078, 8, 2, 15, 0x1C0, 29),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_A_TUNER_SEL, "a_tuner_sel",
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a_tuner_parents, 0x070, 0x074, 0x078, 16, 2, 23,
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0x1C0, 30),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_U2U3_SEL, "u2u3_sel", f_26m_adc_parents,
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0x070, 0x074, 0x078, 24, 1, 31, 0x1C4, 0),
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/* CLK_CFG_8 */
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MUX_GATE_CLR_SET_UPD(CLK_TOP_U2U3_SYS_SEL, "u2u3_sys_sel",
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u2u3_sys_parents, 0x080, 0x084, 0x088, 0, 1, 7,
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0x1C4, 1),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_U2U3_XHCI_SEL, "u2u3_xhci_sel",
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u2u3_sys_parents, 0x080, 0x084, 0x088, 8, 1, 15,
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0x1C4, 2),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_DA_U2_REFSEL, "da_u2_refsel",
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da_u2_refsel_parents, 0x080, 0x084, 0x088, 16, 1,
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23, 0x1C4, 3),
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MUX_GATE_CLR_SET_UPD(CLK_TOP_DA_U2_CK_1P_SEL, "da_u2_ck_1p_sel",
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da_u2_refsel_parents, 0x080, 0x084, 0x088, 24, 1,
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31, 0x1C4, 4),
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/* CLK_CFG_9 */
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MUX_GATE_CLR_SET_UPD(CLK_TOP_AP2CNN_HOST_SEL, "ap2cnn_host_sel",
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sgm_reg_parents, 0x090, 0x094, 0x098, 0, 1, 7,
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0x1C4, 5),
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};
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static int clk_mt7986_topckgen_probe(struct platform_device *pdev)
|
|
{
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|
struct clk_hw_onecell_data *clk_data;
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|
struct device_node *node = pdev->dev.of_node;
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|
int r;
|
|
void __iomem *base;
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|
int nr = ARRAY_SIZE(top_fixed_clks) + ARRAY_SIZE(top_divs) +
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|
ARRAY_SIZE(top_muxes);
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|
|
|
base = of_iomap(node, 0);
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|
if (!base) {
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|
pr_err("%s(): ioremap failed\n", __func__);
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|
return -ENOMEM;
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|
}
|
|
|
|
clk_data = mtk_alloc_clk_data(nr);
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|
if (!clk_data)
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|
return -ENOMEM;
|
|
|
|
mtk_clk_register_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks),
|
|
clk_data);
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|
mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
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|
mtk_clk_register_muxes(top_muxes, ARRAY_SIZE(top_muxes), node,
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&mt7986_clk_lock, clk_data);
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|
|
|
clk_prepare_enable(clk_data->hws[CLK_TOP_SYSAXI_SEL]->clk);
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|
clk_prepare_enable(clk_data->hws[CLK_TOP_SYSAPB_SEL]->clk);
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|
clk_prepare_enable(clk_data->hws[CLK_TOP_DRAMC_SEL]->clk);
|
|
clk_prepare_enable(clk_data->hws[CLK_TOP_DRAMC_MD32_SEL]->clk);
|
|
clk_prepare_enable(clk_data->hws[CLK_TOP_F26M_SEL]->clk);
|
|
clk_prepare_enable(clk_data->hws[CLK_TOP_SGM_REG_SEL]->clk);
|
|
|
|
r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
|
|
|
|
if (r) {
|
|
pr_err("%s(): could not register clock provider: %d\n",
|
|
__func__, r);
|
|
goto free_topckgen_data;
|
|
}
|
|
return r;
|
|
|
|
free_topckgen_data:
|
|
mtk_free_clk_data(clk_data);
|
|
return r;
|
|
}
|
|
|
|
static const struct of_device_id of_match_clk_mt7986_topckgen[] = {
|
|
{ .compatible = "mediatek,mt7986-topckgen", },
|
|
{}
|
|
};
|
|
|
|
static struct platform_driver clk_mt7986_topckgen_drv = {
|
|
.probe = clk_mt7986_topckgen_probe,
|
|
.driver = {
|
|
.name = "clk-mt7986-topckgen",
|
|
.of_match_table = of_match_clk_mt7986_topckgen,
|
|
},
|
|
};
|
|
builtin_platform_driver(clk_mt7986_topckgen_drv);
|