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[82.236.8.43]) by smtp.gmail.com with ESMTPSA id q8sm26548589wrx.79.2020.09.15.05.46.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Sep 2020 05:46:01 -0700 (PDT) From: Neil Armstrong To: jbrunet@baylibre.com Subject: [PATCH v2 4/4] clk: meson: axg: add MIPI DSI Host clock Date: Tue, 15 Sep 2020 14:45:53 +0200 Message-Id: <20200915124553.8056-5-narmstrong@baylibre.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20200915124553.8056-1-narmstrong@baylibre.com> References: <20200915124553.8056-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200915_084607_067448_69B7C1AD X-CRM114-Status: GOOD ( 16.08 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-amlogic@lists.infradead.org, Neil Armstrong , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org This adds the MIPI DSI Host clock, used to measure the signal timings (ENC VSYNC or DW-MIPI-DSI eDPI timings). Signed-off-by: Neil Armstrong --- drivers/clk/meson/axg.c | 66 +++++++++++++++++++++++++++++++++++++++++ drivers/clk/meson/axg.h | 4 ++- 2 files changed, 69 insertions(+), 1 deletion(-) diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c index a4e8949297cf..089a81ce2385 100644 --- a/drivers/clk/meson/axg.c +++ b/drivers/clk/meson/axg.c @@ -1703,6 +1703,66 @@ static struct clk_regmap axg_cts_encl = { }, }; +/* MIPI DSI Host Clock */ + +static u32 mux_table_axg_vdin_meas[] = { 0, 1, 2, 3, 6, 7 }; +static const struct clk_parent_data axg_vdin_meas_parent_data[] = { + { .fw_name = "xtal", }, + { .hw = &axg_fclk_div4.hw }, + { .hw = &axg_fclk_div3.hw }, + { .hw = &axg_fclk_div5.hw }, + { .hw = &axg_fclk_div2.hw }, + { .hw = &axg_fclk_div7.hw }, +}; + +static struct clk_regmap axg_vdin_meas_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_VDIN_MEAS_CLK_CNTL, + .mask = 0x7, + .shift = 21, + .flags = CLK_MUX_ROUND_CLOSEST, + .table = mux_table_axg_vdin_meas, + }, + .hw.init = &(struct clk_init_data){ + .name = "vdin_meas_sel", + .ops = &clk_regmap_mux_ops, + .parent_data = axg_vdin_meas_parent_data, + .num_parents = ARRAY_SIZE(axg_vdin_meas_parent_data), + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap axg_vdin_meas_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_VDIN_MEAS_CLK_CNTL, + .shift = 12, + .width = 7, + }, + .hw.init = &(struct clk_init_data){ + .name = "vdin_meas_div", + .ops = &clk_regmap_divider_ops, + .parent_hws = (const struct clk_hw *[]) { + &axg_vdin_meas_sel.hw }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap axg_vdin_meas = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_VDIN_MEAS_CLK_CNTL, + .bit_idx = 20, + }, + .hw.init = &(struct clk_init_data) { + .name = "vdin_meas", + .ops = &clk_regmap_gate_ops, + .parent_hws = (const struct clk_hw *[]) { + &axg_vdin_meas_div.hw }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + static u32 mux_table_gen_clk[] = { 0, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, }; static const struct clk_parent_data gen_clk_parent_data[] = { @@ -1966,6 +2026,9 @@ static struct clk_hw_onecell_data axg_hw_onecell_data = { [CLKID_VCLK2_DIV12] = &axg_vclk2_div12.hw, [CLKID_CTS_ENCL_SEL] = &axg_cts_encl_sel.hw, [CLKID_CTS_ENCL] = &axg_cts_encl.hw, + [CLKID_VDIN_MEAS_SEL] = &axg_vdin_meas_sel.hw, + [CLKID_VDIN_MEAS_DIV] = &axg_vdin_meas_div.hw, + [CLKID_VDIN_MEAS] = &axg_vdin_meas.hw, [NR_CLKS] = NULL, }, .num = NR_CLKS, @@ -2094,6 +2157,9 @@ static struct clk_regmap *const axg_clk_regmaps[] = { &axg_vclk2_div12_en, &axg_cts_encl_sel, &axg_cts_encl, + &axg_vdin_meas_sel, + &axg_vdin_meas_div, + &axg_vdin_meas, }; static const struct meson_eeclkc_data axg_clkc_data = { diff --git a/drivers/clk/meson/axg.h b/drivers/clk/meson/axg.h index a8787b394a47..481b307ea3cb 100644 --- a/drivers/clk/meson/axg.h +++ b/drivers/clk/meson/axg.h @@ -158,8 +158,10 @@ #define CLKID_VCLK2_DIV6_EN 120 #define CLKID_VCLK2_DIV12_EN 121 #define CLKID_CTS_ENCL_SEL 132 +#define CLKID_VDIN_MEAS_SEL 134 +#define CLKID_VDIN_MEAS_DIV 135 -#define NR_CLKS 134 +#define NR_CLKS 137 /* include the CLKIDs that have been made part of the DT binding */ #include -- 2.22.0 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic