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Sat, 13 Sep 2014 00:33:25 +0900 (KST) From: Naveen Krishna Chatradhi To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 4/8] clk: samsung: add initial clock support for Exynos7 SoC Date: Fri, 12 Sep 2014 20:56:28 +0530 Message-id: <1410535592-5782-6-git-send-email-ch.naveen@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1410535592-5782-1-git-send-email-ch.naveen@samsung.com> References: <1410535592-5782-1-git-send-email-ch.naveen@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrJLMWRmVeSWpSXmKPExsWyRsSkStdVSDjE4MUjRYv3y3oYLeYfOcdq 0bx4PZtF74KrbBabHl9jtZhxfh+TxdMJF9ksFm37z2zxf88OdotVu/4wOnB5rJm3htFj56y7 7B6bVnWyedy5tofNY//cNewem5fUe/RtWcXo8XmTXABHFJdNSmpOZllqkb5dAlfGgSer2Qse TGes2LZ2AUsD4+Imxi5GTg4JAROJVy9bmCFsMYkL99azdTFycQgJLGWUOH75AxtM0bSZ11gh EosYJdp+HYJy+pkk7jx4wgRSxSZgJnFw0Wp2EFtEQENiStdjdpAiZoH/jBLHJuwF2yEs4C/x 6cMjFhCbRUBV4sC9rUBFHBy8Ai4Sy6ZbgJgSAgoScybZgFRwCrhKvN95BaxCCKhi6U1xkIkS AufYJY713GSHmCIg8W3yIRaIVlmJTQegnpGUOLjiBssERuEFjAyrGEVTC5ILipPSi4z1ihNz i0vz0vWS83M3MQJj5PS/Z/07GO8esD7EKMDBqMTDW8EiGCLEmlhWXJl7iNEUaMNEZinR5Hxg JOaVxBsamxlZmJqYGhuZW5opifMulPoZLCSQnliSmp2aWpBaFF9UmpNafIiRiYNTqoGx+9wy VbuWlkg9ZptQ5csrrsTssdvboDhlivuHazYmDTz+fC9ceptZn2jKNjkx/IievPt/yFPmuvWS F/cvvWdrs/+XwoU/j35suHjh8bzslZobImQTU1gzfjb4Shn8jqg7Gx4mLXlQKCrKPe3Eln32 QpV854sf/XJy0mO4f/SKXPykAz/16h8qsRRnJBpqMRcVJwIAaT1RkowCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrMIsWRmVeSWpSXmKPExsVy+t9jAV1XIeEQgwlnxSzeL+thtJh/5Byr RfPi9WwWvQuusllsenyN1WLG+X1MFk8nXGSzWLTtP7PF/z072C1W7frD6MDlsWbeGkaPnbPu sntsWtXJ5nHn2h42j/1z17B7bF5S79G3ZRWjx+dNcgEcUQ2MNhmpiSmpRQqpecn5KZl56bZK 3sHxzvGmZgaGuoaWFuZKCnmJuam2Si4+AbpumTlARyoplCXmlAKFAhKLi5X07TBNCA1x07WA aYzQ9Q0JgusxMkADCWsYMw48Wc1e8GA6Y8W2tQtYGhgXNzF2MXJySAiYSEybeY0VwhaTuHBv PVsXIxeHkMAiRom2X4dYIZx+Jok7D54wgVSxCZhJHFy0mh3EFhHQkJjS9ZgdpIhZ4D+jxLEJ e5lBEsIC/hKfPjxiAbFZBFQlDtzbClTEwcEr4CKxbLoFiCkhoCAxZ5INSAWngKvE+51XwCqE gCqW3hSfwMi7gJFhFaNoakFyQXFSeq6hXnFibnFpXrpecn7uJkZwBD6T2sG4ssHiEKMAB6MS D28Fi2CIEGtiWXFl7iFGCQ5mJRHeG6+EQoR4UxIrq1KL8uOLSnNSiw8xmgKdNJFZSjQ5H5gc 8kriDY1NzE2NTS1NLEzMLJXEeQ+0WgcKCaQnlqRmp6YWpBbB9DFxcEo1MCbu65BJX7nWb9XP 2tUhqX8tP7wp0v9zJvam5ItlZ5ewXqvgMhJwiJUscH1XZHDqgR8bw5Hutq0dTHrvjj/We5Tb VdvS3vho7lfemRO1Jy3M8Ft1fdHMwAnKKe8SV+yveRq48vlU09zvWxkvrtTUEDv1J40lzOBP 41Pm7WIt0bm/9hucCt/+Zb8SS3FGoqEWc1FxIgAgMhKf1gIAAA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140912_083347_450250_4FEA3B32 X-CRM114-Status: GOOD ( 13.46 ) X-Spam-Score: -7.2 (-------) Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Mike Turquette , robh@kernel.org, catalin.marinas@arm.com, tomasz.figa@gmail.com, kgene.kim@samsung.com, gregkh@linuxfoundation.org, naveenkrishna.ch@gmail.com X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add initial clock support for Exynos7 SoC which is required to bring up platforms based on Exynos7. Signed-off-by: Naveen Krishna Chatradhi Cc: Tomasz Figa Cc: Mike Turquette --- .../devicetree/bindings/clock/exynos7-clock.txt | 37 ++ drivers/clk/samsung/Makefile | 1 + drivers/clk/samsung/clk-exynos7.c | 417 ++++++++++++++++++++ include/dt-bindings/clock/exynos7-clk.h | 39 ++ 4 files changed, 494 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/exynos7-clock.txt create mode 100644 drivers/clk/samsung/clk-exynos7.c create mode 100644 include/dt-bindings/clock/exynos7-clk.h diff --git a/Documentation/devicetree/bindings/clock/exynos7-clock.txt b/Documentation/devicetree/bindings/clock/exynos7-clock.txt new file mode 100644 index 0000000..798eb10 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/exynos7-clock.txt @@ -0,0 +1,37 @@ +* Samsung Exynos7 Clock Controller + +Exynos7 clock controller has various blocks which are instantiated +independently from the device-tree. These clock controllers +generate and supply clocks to various hardware blocks within +the SoC. + +Each clock is assigned an identifier and client nodes can use +this identifier to specify the clock which they consume. All +available clocks are defined as preprocessor macros in +dt-bindings/clock/exynos7-clk.h header and can be used in +device tree sources. + +External clocks: + +There are several clocks that are generated outside the SoC. It +is expected that they are defined using standard clock bindings +with following clock-output-names: + + - "fin_pll" - PLL input clock from XXTI + +Required Properties for Clock Controller: + + - compatible: clock controllers will use one of the following + compatible strings to indicate the clock controller + functionality. + + - "samsung,exynos7-clock-topc" + - "samsung,exynos7-clock-top0" + - "samsung,exynos7-clock-peric0" + - "samsung,exynos7-clock-peric1" + - "samsung,exynos7-clock-peris" + + - reg: physical base address of the controller and the length of + memory mapped region. + + - #clock-cells: should be 1. diff --git a/drivers/clk/samsung/Makefile b/drivers/clk/samsung/Makefile index 6fb4bc6..5da0ba9 100644 --- a/drivers/clk/samsung/Makefile +++ b/drivers/clk/samsung/Makefile @@ -18,3 +18,4 @@ obj-$(CONFIG_S3C2412_COMMON_CLK)+= clk-s3c2412.o obj-$(CONFIG_S3C2443_COMMON_CLK)+= clk-s3c2443.o obj-$(CONFIG_ARCH_S3C64XX) += clk-s3c64xx.o obj-$(CONFIG_ARCH_S5PV210) += clk-s5pv210.o clk-s5pv210-audss.o +obj-$(CONFIG_ARCH_EXYNOS7) += clk-exynos7.o diff --git a/drivers/clk/samsung/clk-exynos7.c b/drivers/clk/samsung/clk-exynos7.c new file mode 100644 index 0000000..3ea8d0e --- /dev/null +++ b/drivers/clk/samsung/clk-exynos7.c @@ -0,0 +1,417 @@ +/* + * Copyright (c) 2014 Samsung Electronics Co., Ltd. + * Author: Naveen Krishna Chatradhi + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#include +#include +#include +#include + +#include "clk.h" +#include + +/* Register Offset definitions for CMU_TOPC (0x10570000) */ +#define CC_PLL_LOCK 0x0000 +#define BUS0_PLL_LOCK 0x0004 +#define BUS1_DPLL_LOCK 0x0008 +#define MFC_PLL_LOCK 0x000C +#define AUD_PLL_LOCK 0x0010 +#define CC_PLL_CON0 0x0100 +#define BUS0_PLL_CON0 0x0110 +#define BUS1_DPLL_CON0 0x0120 +#define MFC_PLL_CON0 0x0130 +#define AUD_PLL_CON0 0x0140 +#define MUX_SEL_TOPC0 0x0200 +#define MUX_SEL_TOPC1 0x0204 +#define MUX_SEL_TOPC3 0x020C +#define DIV_TOPC1 0x0604 +#define DIV_TOPC3 0x060C + +static struct samsung_fixed_factor_clock topc_fixed_factor_clks[] __initdata = { + FFACTOR(0, "ffac_topc_bus0_pll_div2", "mout_bus0_pll_ctrl", 1, 2, 0), + FFACTOR(0, "ffac_topc_bus0_pll_div4", + "ffac_topc_bus0_pll_div2", 1, 2, 0), + FFACTOR(0, "ffac_topc_bus1_pll_div2", "mout_bus1_pll_ctrl", 1, 2, 0), + FFACTOR(0, "ffac_topc_cc_pll_div2", "mout_cc_pll_ctrl", 1, 2, 0), + FFACTOR(0, "ffac_topc_mfc_pll_div2", "mout_mfc_pll_ctrl", 1, 2, 0), +}; + +/* List of parent clocks for Muxes in CMU_TOPC */ +PNAME(mout_bus0_pll_ctrl_p) = { "fin_pll", "fout_bus0_pll" }; +PNAME(mout_bus1_pll_ctrl_p) = { "fin_pll", "fout_bus1_pll" }; +PNAME(mout_cc_pll_ctrl_p) = { "fin_pll", "fout_cc_pll" }; +PNAME(mout_mfc_pll_ctrl_p) = { "fin_pll", "fout_mfc_pll" }; + +PNAME(mout_topc_group2) = { "mout_sclk_bus0_pll_cmuc", + "mout_sclk_bus1_pll_cmuc", "mout_sclk_cc_pll_cmuc", + "mout_sclk_mfc_pll_cmuc" }; + +PNAME(mout_sclk_bus0_pll_cmuc_p) = { "mout_bus0_pll_ctrl", + "ffac_topc_bus0_pll_div2", "ffac_topc_bus0_pll_div4"}; +PNAME(mout_sclk_bus1_pll_cmuc_p) = { "mout_bus1_pll_ctrl", + "ffac_topc_bus1_pll_div2"}; +PNAME(mout_sclk_cc_pll_cmuc_p) = { "mout_cci_pll_ctrl", + "ffac_topc_cci_pll_div2"}; +PNAME(mout_sclk_mfc_pll_cmuc_p) = { "mout_mfc_pll_ctrl", + "ffac_topc_mfc_pll_div2"}; + + +PNAME(mout_sclk_bus0_pll_out_p) = {"mout_bus0_pll_ctrl", + "ffac_topc_bus0_pll_div2"}; + +static unsigned long topc_clk_regs[] __initdata = { + CC_PLL_LOCK, + BUS0_PLL_LOCK, + BUS1_DPLL_LOCK, + MFC_PLL_LOCK, + AUD_PLL_LOCK, + CC_PLL_CON0, + BUS0_PLL_CON0, + BUS1_DPLL_CON0, + MFC_PLL_CON0, + AUD_PLL_CON0, + MUX_SEL_TOPC0, + MUX_SEL_TOPC1, + MUX_SEL_TOPC3, + DIV_TOPC1, + DIV_TOPC3, +}; + +static struct samsung_mux_clock topc_mux_clks[] __initdata = { + MUX(0, "mout_bus0_pll_ctrl", mout_bus0_pll_ctrl_p, MUX_SEL_TOPC0, 0, 1), + MUX(0, "mout_bus1_pll_ctrl", mout_bus1_pll_ctrl_p, MUX_SEL_TOPC0, 4, 1), + MUX(0, "mout_cc_pll_ctrl", mout_cc_pll_ctrl_p, MUX_SEL_TOPC0, 8, 1), + MUX(0, "mout_mfc_pll_ctrl", mout_mfc_pll_ctrl_p, MUX_SEL_TOPC0, 12, 1), + + MUX(0, "mout_sclk_bus0_pll_cmuc", + mout_sclk_bus0_pll_cmuc_p, MUX_SEL_TOPC0, 16, 2), + MUX(0, "mout_sclk_bus1_pll_cmuc", + mout_sclk_bus1_pll_cmuc_p, MUX_SEL_TOPC0, 20, 1), + MUX(0, "mout_sclk_cc_pll_cmuc", + mout_sclk_cc_pll_cmuc_p, MUX_SEL_TOPC0, 24, 1), + MUX(0, "mout_sclk_mfc_pll_cmuc", + mout_sclk_mfc_pll_cmuc_p, MUX_SEL_TOPC0, 28, 1), + + MUX(0, "mout_sclk_bus0_pll_out", + mout_sclk_bus0_pll_out_p, MUX_SEL_TOPC1, 16, 1), + + MUX(0, "mout_aclk_peris_66", mout_topc_group2, MUX_SEL_TOPC3, 24, 2), +}; + +static struct samsung_div_clock topc_div_clks[] __initdata = { + DIV(0, "dout_aclk_peris_66", "mout_aclk_peris_66", DIV_TOPC1, 24, 4), + + DIV(0, "dout_sclk_bus0_pll", "mout_sclk_bus0_pll_out", DIV_TOPC3, 0, 3), + DIV(0, "dout_sclk_bus1_pll", "mout_bus1_pll_ctrl", DIV_TOPC3, 8, 3), + DIV(0, "dout_sclk_cc_pll", "mout_cc_pll_ctrl", DIV_TOPC3, 12, 3), + DIV(0, "dout_sclk_mfc_pll", "mout_mfc_pll_ctrl", DIV_TOPC3, 16, 3), +}; + +static struct samsung_pll_clock topc_pll_clks[] __initdata = { + PLL(pll_1451x, 0, "fout_bus0_pll", "fin_pll", + BUS0_PLL_LOCK, BUS0_PLL_CON0, NULL), + PLL(pll_1452x, 0, "fout_cc_pll", "fin_pll", + CC_PLL_LOCK, CC_PLL_CON0, NULL), + PLL(pll_1452x, 0, "fout_bus1_pll", "fin_pll", + BUS1_DPLL_LOCK, BUS1_DPLL_CON0, NULL), + PLL(pll_1452x, 0, "fout_mfc_pll", "fin_pll", + MFC_PLL_LOCK, MFC_PLL_CON0, NULL), + PLL(pll_1460x, 0, "fout_aud_pll", "fin_pll", + AUD_PLL_LOCK, AUD_PLL_CON0, NULL), +}; + +static void __init exynos7_clk_topc_init(struct device_node *np) +{ + struct exynos_cmu_info cmu = {0}; + + cmu.pll_clks = topc_pll_clks; + cmu.nr_pll_clks = ARRAY_SIZE(topc_pll_clks); + cmu.mux_clks = topc_mux_clks; + cmu.nr_mux_clks = ARRAY_SIZE(topc_mux_clks); + cmu.div_clks = topc_div_clks; + cmu.nr_div_clks = ARRAY_SIZE(topc_div_clks); + cmu.fixed_factor_clks = topc_fixed_factor_clks; + cmu.nr_fixed_factor_clks = ARRAY_SIZE(topc_fixed_factor_clks); + cmu.clk_regs = topc_clk_regs; + cmu.nr_clk_regs = ARRAY_SIZE(topc_clk_regs); + + exynos_cmu_register_one(np, &cmu); +} + +CLK_OF_DECLARE(exynos7_clk_topc, "samsung,exynos7-clock-topc", + exynos7_clk_topc_init); + +/* Register Offset definitions for CMU_TOP0 (0x105D0000) */ +#define MUX_SEL_TOP00 0x0200 +#define MUX_SEL_TOP01 0x0204 +#define MUX_SEL_TOP03 0x020C +#define MUX_SEL_TOP0_PERIC3 0x023C +#define DIV_TOP03 0x060C +#define DIV_TOP0_PERIC3 0x063C +#define ENABLE_SCLK_TOP0_PERIC3 0x0A3C + +/* List of parent clocks for Muxes in CMU_TOP0 */ +PNAME(mout_bus0_pll_p) = { "fin_pll", "dout_sclk_bus0_pll" }; +PNAME(mout_bus1_pll_p) = { "fin_pll", "dout_sclk_bus1_pll" }; +PNAME(mout_cc_pll_p) = { "fin_pll", "dout_sclk_cc_pll" }; +PNAME(mout_mfc_pll_p) = { "fin_pll", "dout_sclk_mfc_pll" }; + +PNAME(mout_top0_half_bus0_pll_p) = {"mout_top0_bus0_pll", + "ffac_top0_bus0_pll_div2"}; +PNAME(mout_top0_half_bus1_pll_p) = {"mout_top0_bus1_pll", + "ffac_top0_bus1_pll_div2"}; +PNAME(mout_top0_half_cc_pll_p) = {"mout_top0_cc_pll", + "ffac_top0_cc_pll_div2"}; +PNAME(mout_top0_half_mfc_pll_p) = {"mout_top0_mfc_pll", + "ffac_top0_mfc_pll_div2"}; + +PNAME(mout_top0_group1) = {"mout_top0_half_bus0_pll", + "mout_top0_half_bus1_pll", "mout_top0_half_cc_pll", + "mout_top0_half_mfc_pll"}; + +static unsigned long top0_clk_regs[] __initdata = { + MUX_SEL_TOP00, + MUX_SEL_TOP01, + MUX_SEL_TOP03, + MUX_SEL_TOP0_PERIC3, + DIV_TOP03, + DIV_TOP0_PERIC3, + ENABLE_SCLK_TOP0_PERIC3, +}; + +static struct samsung_mux_clock top0_mux_clks[] __initdata = { + MUX(0, "mout_top0_mfc_pll", mout_mfc_pll_p, MUX_SEL_TOP00, 4, 1), + MUX(0, "mout_top0_cc_pll", mout_cc_pll_p, MUX_SEL_TOP00, 8, 1), + MUX(0, "mout_top0_bus1_pll", mout_bus1_pll_p, MUX_SEL_TOP00, 12, 1), + MUX(0, "mout_top0_bus0_pll", mout_bus0_pll_p, MUX_SEL_TOP00, 16, 1), + + MUX(0, "mout_top0_half_mfc_pll", + mout_top0_half_mfc_pll_p, MUX_SEL_TOP01, 4, 1), + MUX(0, "mout_top0_half_cc_pll", + mout_top0_half_cc_pll_p, MUX_SEL_TOP01, 8, 1), + MUX(0, "mout_top0_half_bus1_pll", + mout_top0_half_bus1_pll_p, MUX_SEL_TOP01, 12, 1), + MUX(0, "mout_top0_half_bus0_pll", + mout_top0_half_bus0_pll_p, MUX_SEL_TOP01, 16, 1), + + MUX(0, "mout_aclk_peric1_66", mout_top0_group1, MUX_SEL_TOP03, 12, 2), + MUX(0, "mout_aclk_peric0_66", mout_top0_group1, MUX_SEL_TOP03, 20, 2), + + MUX(0, "mout_sclk_uart3", mout_top0_group1, MUX_SEL_TOP0_PERIC3, 4, 2), + MUX(0, "mout_sclk_uart2", mout_top0_group1, MUX_SEL_TOP0_PERIC3, 8, 2), + MUX(0, "mout_sclk_uart1", mout_top0_group1, MUX_SEL_TOP0_PERIC3, 12, 2), + MUX(0, "mout_sclk_uart0", mout_top0_group1, MUX_SEL_TOP0_PERIC3, 16, 2), +}; + +static struct samsung_div_clock top0_div_clks[] __initdata = { + DIV(0, "dout_aclk_peric1_66", "mout_aclk_peric1_66", DIV_TOP03, 12, 6), + DIV(0, "dout_aclk_peric0_66", "mout_aclk_peric0_66", DIV_TOP03, 20, 6), + + DIV(0, "dout_sclk_uart3", "mout_sclk_uart3", DIV_TOP0_PERIC3, 4, 4), + DIV(0, "dout_sclk_uart2", "mout_sclk_uart2", DIV_TOP0_PERIC3, 8, 4), + DIV(0, "dout_sclk_uart1", "mout_sclk_uart1", DIV_TOP0_PERIC3, 12, 4), + DIV(0, "dout_sclk_uart0", "mout_sclk_uart0", DIV_TOP0_PERIC3, 16, 4), +}; + +static struct samsung_gate_clock top0_gate_clks[] __initdata = { + GATE(CLK_SCLK_UART3, "sclk_uart3", "dout_sclk_uart3", + ENABLE_SCLK_TOP0_PERIC3, 4, 0, 0), + GATE(CLK_SCLK_UART2, "sclk_uart2", "dout_sclk_uart2", + ENABLE_SCLK_TOP0_PERIC3, 8, 0, 0), + GATE(CLK_SCLK_UART1, "sclk_uart1", "dout_sclk_uart1", + ENABLE_SCLK_TOP0_PERIC3, 12, 0, 0), + GATE(CLK_SCLK_UART0, "sclk_uart0", "dout_sclk_uart0", + ENABLE_SCLK_TOP0_PERIC3, 16, 0, 0), +}; + +static struct samsung_fixed_factor_clock top0_fixed_factor_clks[] __initdata = { + FFACTOR(0, "ffac_top0_bus0_pll_div2", "mout_top0_bus0_pll", 1, 2, 0), + FFACTOR(0, "ffac_top0_bus1_pll_div2", "mout_top0_bus1_pll", 1, 2, 0), + FFACTOR(0, "ffac_top0_cc_pll_div2", "mout_top0_cc_pll", 1, 2, 0), + FFACTOR(0, "ffac_top0_mfc_pll_div2", "mout_top0_mfc_pll", 1, 2, 0), +}; + +static void __init exynos7_clk_top0_init(struct device_node *np) +{ + struct exynos_cmu_info cmu = {0}; + + cmu.mux_clks = top0_mux_clks; + cmu.nr_mux_clks = ARRAY_SIZE(top0_mux_clks); + cmu.div_clks = top0_div_clks; + cmu.nr_div_clks = ARRAY_SIZE(top0_div_clks); + cmu.gate_clks = top0_gate_clks; + cmu.nr_gate_clks = ARRAY_SIZE(top0_gate_clks); + cmu.fixed_factor_clks = top0_fixed_factor_clks; + cmu.nr_fixed_factor_clks = ARRAY_SIZE(top0_fixed_factor_clks); + cmu.nr_clk_ids = TOP0_NR_CLK; + cmu.clk_regs = top0_clk_regs; + cmu.nr_clk_regs = ARRAY_SIZE(top0_clk_regs); + + exynos_cmu_register_one(np, &cmu); +} + +CLK_OF_DECLARE(exynos7_clk_top0, "samsung,exynos7-clock-top0", + exynos7_clk_top0_init); + +/* Register Offset definitions for CMU_PERIC0 (0x13610000) */ +#define MUX_SEL_PERIC0 0x0200 +#define ENABLE_PCLK_PERIC0 0x0900 +#define ENABLE_SCLK_PERIC0 0x0A00 + +/* List of parent clocks for Muxes in CMU_PERIC0 */ +PNAME(mout_aclk_peric0_66_p) = { "fin_pll", "dout_aclk_peric0_66" }; +PNAME(mout_sclk_uart0_p) = { "fin_pll", "sclk_uart0" }; + +static unsigned long peric0_clk_regs[] __initdata = { + MUX_SEL_PERIC0, + ENABLE_PCLK_PERIC0, + ENABLE_SCLK_PERIC0, +}; + +static struct samsung_mux_clock peric0_mux_clks[] __initdata = { + MUX(0, "mout_aclk_peric0_66_user", + mout_aclk_peric0_66_p, MUX_SEL_PERIC0, 0, 1), + MUX(0, "mout_sclk_uart0_user", mout_sclk_uart0_p, + MUX_SEL_PERIC0, 16, 1), +}; + +static struct samsung_gate_clock peric0_gate_clks[] __initdata = { + GATE(PCLK_UART0, "pclk_uart0", "mout_aclk_peric0_66_user", + ENABLE_PCLK_PERIC0, 16, 0, 0), + + GATE(SCLK_UART0, "sclk_uart0_user", "mout_sclk_uart0_user", + ENABLE_SCLK_PERIC0, 16, 0, 0), +}; + +static void __init exynos7_clk_peric0_init(struct device_node *np) +{ + struct exynos_cmu_info cmu = {0}; + + cmu.mux_clks = peric0_mux_clks; + cmu.nr_mux_clks = ARRAY_SIZE(peric0_mux_clks); + cmu.gate_clks = peric0_gate_clks; + cmu.nr_gate_clks = ARRAY_SIZE(peric0_gate_clks); + cmu.nr_clk_ids = PERIC0_NR_CLK; + cmu.clk_regs = peric0_clk_regs; + cmu.nr_clk_regs = ARRAY_SIZE(peric0_clk_regs); + + exynos_cmu_register_one(np, &cmu); +} + +/* Register Offset definitions for CMU_PERIC1 (0x14C80000) */ +#define MUX_SEL_PERIC10 0x0200 +#define MUX_SEL_PERIC11 0x0204 +#define ENABLE_PCLK_PERIC1 0x0900 +#define ENABLE_SCLK_PERIC10 0x0A00 + +CLK_OF_DECLARE(exynos7_clk_peric0, "samsung,exynos7-clock-peric0", + exynos7_clk_peric0_init); + +/* List of parent clocks for Muxes in CMU_PERIC1 */ +PNAME(mout_aclk_peric1_66_p) = { "fin_pll", "dout_aclk_peric1_66" }; +PNAME(mout_sclk_uart1_p) = { "fin_pll", "sclk_uart1" }; +PNAME(mout_sclk_uart2_p) = { "fin_pll", "sclk_uart2" }; +PNAME(mout_sclk_uart3_p) = { "fin_pll", "sclk_uart3" }; + +static unsigned long peric1_clk_regs[] __initdata = { + MUX_SEL_PERIC10, + MUX_SEL_PERIC11, + ENABLE_PCLK_PERIC1, + ENABLE_SCLK_PERIC10, +}; + +static struct samsung_mux_clock peric1_mux_clks[] __initdata = { + MUX(0, "mout_aclk_peric1_66_user", mout_aclk_peric1_66_p, + MUX_SEL_PERIC10, 0, 1), + + MUX(0, "mout_sclk_uart1_user", mout_sclk_uart1_p, + MUX_SEL_PERIC11, 20, 1), + MUX(0, "mout_sclk_uart2_user", mout_sclk_uart2_p, + MUX_SEL_PERIC11, 24, 1), + MUX(0, "mout_sclk_uart3_user", mout_sclk_uart3_p, + MUX_SEL_PERIC11, 28, 1), +}; + +static struct samsung_gate_clock peric1_gate_clks[] __initdata = { + GATE(PCLK_UART1, "pclk_uart1", "mout_aclk_peric1_66_user", + ENABLE_PCLK_PERIC1, 9, 0, 0), + GATE(PCLK_UART2, "pclk_uart2", "mout_aclk_peric1_66_user", + ENABLE_PCLK_PERIC1, 10, 0, 0), + GATE(PCLK_UART3, "pclk_uart3", "mout_aclk_peric1_66_user", + ENABLE_PCLK_PERIC1, 11, 0, 0), + + GATE(SCLK_UART1, "sclk_uart1_user", "mout_sclk_uart1_user", + ENABLE_SCLK_PERIC10, 9, 0, 0), + GATE(SCLK_UART2, "sclk_uart2_user", "mout_sclk_uart2_user", + ENABLE_SCLK_PERIC10, 10, 0, 0), + GATE(SCLK_UART3, "sclk_uart3_user", "mout_sclk_uart3_user", + ENABLE_SCLK_PERIC10, 11, 0, 0), +}; + +static void __init exynos7_clk_peric1_init(struct device_node *np) +{ + struct exynos_cmu_info cmu = {0}; + + cmu.mux_clks = peric1_mux_clks; + cmu.nr_mux_clks = ARRAY_SIZE(peric1_mux_clks); + cmu.gate_clks = peric1_gate_clks; + cmu.nr_gate_clks = ARRAY_SIZE(peric1_gate_clks); + cmu.nr_clk_ids = PERIC1_NR_CLK; + cmu.clk_regs = peric1_clk_regs; + cmu.nr_clk_regs = ARRAY_SIZE(peric1_clk_regs); + + exynos_cmu_register_one(np, &cmu); +} + +CLK_OF_DECLARE(exynos7_clk_peric1, "samsung,exynos7-clock-peric1", + exynos7_clk_peric1_init); + +/* Register Offset definitions for CMU_PERIS (0x10040000) */ +#define MUX_SEL_PERIS 0x0200 +#define ENABLE_PCLK_PERIS_SECURE_CHIPID 0x0910 +#define ENABLE_SCLK_PERIS_SECURE_CHIPID 0x0A10 + +/* List of parent clocks for Muxes in CMU_PERIS */ +PNAME(mout_aclk_peris_66_p) = { "fin_pll", "dout_aclk_peris_66" }; + +static unsigned long peris_clk_regs[] __initdata = { + MUX_SEL_PERIS, + ENABLE_PCLK_PERIS_SECURE_CHIPID, + ENABLE_SCLK_PERIS_SECURE_CHIPID, +}; + +static struct samsung_mux_clock peris_mux_clks[] __initdata = { + MUX(0, "mout_aclk_peris_66_user", + mout_aclk_peris_66_p, MUX_SEL_PERIS, 0, 1), +}; + +static struct samsung_gate_clock peris_gate_clks[] __initdata = { + GATE(PCLK_CHIPID, "pclk_chipid", "mout_aclk_peris_66_user", + ENABLE_PCLK_PERIS_SECURE_CHIPID, 0, 0, 0), + GATE(SCLK_CHIPID, "sclk_chipid", "fin_pll", + ENABLE_SCLK_PERIS_SECURE_CHIPID, 0, 0, 0), +}; + +static void __init exynos7_clk_peris_init(struct device_node *np) +{ + struct exynos_cmu_info cmu = {0}; + + cmu.mux_clks = peris_mux_clks; + cmu.nr_mux_clks = ARRAY_SIZE(peris_mux_clks); + cmu.gate_clks = peris_gate_clks; + cmu.nr_gate_clks = ARRAY_SIZE(peris_gate_clks); + cmu.nr_clk_ids = PERIS_NR_CLK; + cmu.clk_regs = peris_clk_regs; + cmu.nr_clk_regs = ARRAY_SIZE(peris_clk_regs); + + exynos_cmu_register_one(np, &cmu); +} + +CLK_OF_DECLARE(exynos7_clk_peris, "samsung,exynos7-clock-peris", + exynos7_clk_peris_init); diff --git a/include/dt-bindings/clock/exynos7-clk.h b/include/dt-bindings/clock/exynos7-clk.h new file mode 100644 index 0000000..88705cc --- /dev/null +++ b/include/dt-bindings/clock/exynos7-clk.h @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2014 Samsung Electronics Co., Ltd. + * Author: Naveen Krishna Chatradhi + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef _DT_BINDINGS_CLOCK_EXYNOS7_H +#define _DT_BINDINGS_CLOCK_EXYNOS7_H + +/* TOP0 */ +#define CLK_SCLK_UART0 1 +#define CLK_SCLK_UART1 2 +#define CLK_SCLK_UART2 3 +#define CLK_SCLK_UART3 4 +#define TOP0_NR_CLK 5 + +/* PERIC0 */ +#define PCLK_UART0 1 +#define SCLK_UART0 2 +#define PERIC0_NR_CLK 3 + +/* PERIC1 */ +#define PCLK_UART1 1 +#define PCLK_UART2 2 +#define PCLK_UART3 3 +#define SCLK_UART1 4 +#define SCLK_UART2 5 +#define SCLK_UART3 6 +#define PERIC1_NR_CLK 7 + +/* PERIS */ +#define PCLK_CHIPID 1 +#define SCLK_CHIPID 2 +#define PERIS_NR_CLK 3 + +#endif /* _DT_BINDINGS_CLOCK_EXYNOS7_H */