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Wed, 07 Sep 2022 09:02:33 -0700 (PDT) Received: from localhost.localdomain ([23.27.44.184]) by smtp.gmail.com with ESMTPSA id x13-20020a17090a1f8d00b001f510175984sm14919719pja.41.2022.09.07.09.02.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Sep 2022 09:02:33 -0700 (PDT) From: Jagan Teki To: Heiko Stuebner , Rob Herring , Krzysztof Kozlowski , Kever Yang Cc: linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, Elaine Zhang , linux-clk@vger.kernel.org, Michael Turquette , Stephen Boyd , Jagan Teki Subject: [PATCH v4 02/13] clk: rockchip: Add MUXTBL variant Date: Wed, 7 Sep 2022 21:31:56 +0530 Message-Id: <20220907160207.3845791-3-jagan@edgeble.ai> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220907160207.3845791-1-jagan@edgeble.ai> References: <20220907160207.3845791-1-jagan@edgeble.ai> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220907_090236_944572_F64DB1F2 X-CRM114-Status: GOOD ( 14.93 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org From: Elaine Zhang A clock branch consisting of a mux with non-standard select values. The parent in Mux table is sorted by priority. Cc: linux-clk@vger.kernel.org Cc: Michael Turquette Cc: Stephen Boyd Signed-off-by: Elaine Zhang Signed-off-by: Jagan Teki --- Changes for v4: - rebase on -next Changes for v3, v2: - none drivers/clk/rockchip/clk.c | 27 +++++++++++++++++++++------ drivers/clk/rockchip/clk.h | 17 +++++++++++++++++ 2 files changed, 38 insertions(+), 6 deletions(-) diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c index bb8a844309bf..e63d4f20b479 100644 --- a/drivers/clk/rockchip/clk.c +++ b/drivers/clk/rockchip/clk.c @@ -40,6 +40,7 @@ static struct clk *rockchip_clk_register_branch(const char *name, const char *const *parent_names, u8 num_parents, void __iomem *base, int muxdiv_offset, u8 mux_shift, u8 mux_width, u8 mux_flags, + u32 *mux_table, int div_offset, u8 div_shift, u8 div_width, u8 div_flags, struct clk_div_table *div_table, int gate_offset, u8 gate_shift, u8 gate_flags, unsigned long flags, @@ -62,6 +63,7 @@ static struct clk *rockchip_clk_register_branch(const char *name, mux->shift = mux_shift; mux->mask = BIT(mux_width) - 1; mux->flags = mux_flags; + mux->table = mux_table; mux->lock = lock; mux_ops = (mux_flags & CLK_MUX_READ_ONLY) ? &clk_mux_ro_ops : &clk_mux_ops; @@ -270,6 +272,8 @@ static struct clk *rockchip_clk_register_frac_branch( frac_mux->shift = child->mux_shift; frac_mux->mask = BIT(child->mux_width) - 1; frac_mux->flags = child->mux_flags; + if (child->mux_table) + frac_mux->table = child->mux_table; frac_mux->lock = lock; frac_mux->hw.init = &init; @@ -444,11 +448,21 @@ void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx, /* catch simple muxes */ switch (list->branch_type) { case branch_mux: - clk = clk_register_mux(NULL, list->name, - list->parent_names, list->num_parents, - flags, ctx->reg_base + list->muxdiv_offset, - list->mux_shift, list->mux_width, - list->mux_flags, &ctx->lock); + if (list->mux_table) + clk = clk_register_mux_table(NULL, list->name, + list->parent_names, list->num_parents, + flags, + ctx->reg_base + list->muxdiv_offset, + list->mux_shift, list->mux_width, + list->mux_flags, list->mux_table, + &ctx->lock); + else + clk = clk_register_mux(NULL, list->name, + list->parent_names, list->num_parents, + flags, + ctx->reg_base + list->muxdiv_offset, + list->mux_shift, list->mux_width, + list->mux_flags, &ctx->lock); break; case branch_muxgrf: clk = rockchip_clk_register_muxgrf(list->name, @@ -506,7 +520,8 @@ void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx, ctx->reg_base, list->muxdiv_offset, list->mux_shift, list->mux_width, list->mux_flags, - list->div_offset, list->div_shift, list->div_width, + list->mux_table, list->div_offset, + list->div_shift, list->div_width, list->div_flags, list->div_table, list->gate_offset, list->gate_shift, list->gate_flags, flags, &ctx->lock); diff --git a/drivers/clk/rockchip/clk.h b/drivers/clk/rockchip/clk.h index 7aa45cc70287..93937fb1d368 100644 --- a/drivers/clk/rockchip/clk.h +++ b/drivers/clk/rockchip/clk.h @@ -448,6 +448,7 @@ struct rockchip_clk_branch { u8 mux_shift; u8 mux_width; u8 mux_flags; + u32 *mux_table; int div_offset; u8 div_shift; u8 div_width; @@ -680,6 +681,22 @@ struct rockchip_clk_branch { .gate_offset = -1, \ } +#define MUXTBL(_id, cname, pnames, f, o, s, w, mf, mt) \ + { \ + .id = _id, \ + .branch_type = branch_mux, \ + .name = cname, \ + .parent_names = pnames, \ + .num_parents = ARRAY_SIZE(pnames), \ + .flags = f, \ + .muxdiv_offset = o, \ + .mux_shift = s, \ + .mux_width = w, \ + .mux_flags = mf, \ + .gate_offset = -1, \ + .mux_table = mt, \ + } + #define MUXGRF(_id, cname, pnames, f, o, s, w, mf) \ { \ .id = _id, \