Re: [PATCH 4/5] clk: mediatek: Add subsystem clocks of MT8173
From: Matthias Brugger <hidden>
Date: 2015-06-12 17:14:34
Also in:
linux-arm-kernel, linux-devicetree, lkml
On Thursday, May 21, 2015 03:12:55 PM James Liao wrote:
quoted hunk ↗ jump to hunk
Most multimedia subsystem clocks will be accessed by multiple drivers, so it's a better way to manage these clocks in CCF. This patch adds clock support for MM, IMG, VDEC, VENC and VENC_LT subsystems. Signed-off-by: James Liao <jamesjj.liao-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org> --- drivers/clk/mediatek/clk-mt8173.c | 310 +++++++++++++++++++++++++++++++++ include/dt-bindings/clock/mt8173-clk.h | 87 +++++++++ 2 files changed, 397 insertions(+)diff --git a/drivers/clk/mediatek/clk-mt8173.cb/drivers/clk/mediatek/clk-mt8173.c index eb175ac..e2f40ba 100644--- a/drivers/clk/mediatek/clk-mt8173.c +++ b/drivers/clk/mediatek/clk-mt8173.c@@ -700,6 +700,195 @@ static const struct mtk_composite peri_clks[]__initconst = { MUX(CLK_PERI_UART3_SEL, "uart3_ck_sel", uart_ck_sel_parents, 0x40c, 3, 1), }; +static struct mtk_gate_regs img_cg_regs = { + .set_ofs = 0x0004, + .clr_ofs = 0x0008, + .sta_ofs = 0x0000, +}; + +#define GATE_IMG(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &img_cg_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_ops_setclr, \ + } +
[...]
+
+static struct mtk_gate_regs venc_cg_regs = {
+ .set_ofs = 0x0004,
+ .clr_ofs = 0x0008,
+ .sta_ofs = 0x0000,
+};
+
+#define GATE_VENC(_id, _name, _parent, _shift) { \
+ .id = _id, \
+ .name = _name, \
+ .parent_name = _parent, \
+ .regs = &venc_cg_regs, \
+ .shift = _shift, \
+ .ops = &mtk_clk_gate_ops_setclr_inv, \
+ }
+
+static struct mtk_gate venc_clks[] __initdata = {
+ GATE_VENC(CLK_VENC_CKE0, "venc_cke0", "mm_sel", 0),
+ GATE_VENC(CLK_VENC_CKE1, "venc_cke1", "venc_sel", 4),
+ GATE_VENC(CLK_VENC_CKE2, "venc_cke2", "venc_sel", 8),
+ GATE_VENC(CLK_VENC_CKE3, "venc_cke3", "venc_sel", 12),
+};
+
+static struct mtk_gate_regs venclt_cg_regs = {
+ .set_ofs = 0x0004,
+ .clr_ofs = 0x0008,
+ .sta_ofs = 0x0000,
+};The register for imagesys, vencsys and vencltsys have all the same offset. We could use just one struct for all of them. Cheers, Matthias -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html